Home > September > Japan in September – Autumn Colors, Festivals & Cooler Weather

Japan in September – Autumn Colors, Festivals & Cooler Weather

Japan in September offers a perfect transition from summer’s heat to autumn’s cooler temperatures. This month brings fewer crowds, reduced humidity, and the first glimpses of fall colors in northern regions. 

If you’re looking for pleasant weather, unique cultural festivals, and the chance to taste seasonal specialties without summer’s tourist crowds, Japan in September provides an ideal travel opportunity.

Here is everything you need to know about visiting Japan in September and how to make the most of your trip during this beautiful early autumn season.

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Is September a Good Time to Visit Japan?

Visiting Japan

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September in Japan marks the gradual transition from summer to autumn. You can expect mild temperatures with decreasing humidity as the month progresses. September falls between peak tourist seasons, which means fewer crowds at popular attractions, more availability at accommodations, and potentially lower prices for flights.

Why Should You Visit?

September is an excellent time to visit Japan. The weather is comfortable, with summer’s intense heat and humidity tapering off. The early signs of autumn colors appear in northern regions and higher elevations, while cultural festivals occur throughout the country.

September is perfect for exploring cities on foot, hiking in national parks, and enjoying outdoor activities without summer’s crowds or winter’s chill. The seasonal cuisine is also exceptional, with many autumn delicacies becoming available.

What to Look Out For?

When planning your Japan trip for September, keep these points in mind:

  • Early September can still bring typhoons, particularly in southern regions. Monitor weather forecasts during your trip.
  • Many businesses close during Silver Week (a collection of national holidays in late September), and transportation can be crowded during this time.
  • While northern Japan begins seeing autumn colors, most of central and southern Japan won’t experience fall foliage until October or November.
  • Book accommodations in advance for popular tourist destinations, especially during festival periods.
  • September 1 is Disaster Prevention Day in Japan, so you might see emergency drills taking place.

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Weather in Japan in September

Here’s what to expect for Japan weather in September across different regions:

Average Temperature

21 °C – 28 °C (70 °F – 82 °F) across major regions

Rainfall

120 mm – 290 mm, with highest totals in Okinawa

Humidity

70 % – 80 %, generally decreasing through the month

Sunrise

~5:30 AM at start of Sept → ~5:45 AM by month’s end

Sunset

~6:15 PM at start of Sept → ~5:40 PM by month’s end

Typhoon Season

Active—risk of heavy rain and strong winds, especially on coasts

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Things To Do in Japan in September

Here are some exciting activities to enjoy in Japan during September:

Witness Early Autumn Colors in Hokkaido

Hokkaido in early Autumn

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Location: Daisetsuzan National Park, Hokkaido

Why It’s Great in September: September brings the first autumn colors to Japan, starting in Hokkaido’s mountains. The koyo (autumn leaf viewing) season begins here while the rest of Japan is still waiting.

What to Expect:

  • Brilliant red, orange, and yellow foliage across mountain slopes
  • Comfortable hiking temperatures, perfect for outdoor exploration
  • Fewer tourists than during peak autumn viewing seasons
  • Excellent photography opportunities
  • Scenic ropeway rides for panoramic views

Attend the Kishiwada Danjiri Festival

Osaka

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Location:Kishiwada City, Osaka Prefecture

Why It’s Great in September: This thrilling festival, held annually in mid-September, is one of Japan’s most exciting traditional events, featuring enormous wooden floats being raced through narrow streets.

What to Expect:

  • Spectacular displays of danjiri (wooden floats) weighing up to 4 tons
  • Heart-stopping 90-degree turns taken at high speed
  • Traditional music and performances
  • Local food stalls selling regional specialties
  • An authentic cultural experience rarely seen by foreign tourists

Enjoy Moon-Viewing (Tsukimi) Celebrations

Moon-viewing at Oita

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Location: Throughout Japan, particularly at temples, gardens, and traditional restaurants

Why It’s Great in September: The Japanese tradition of tsukimi (moon-viewing) typically falls in September, celebrating the harvest moon with special foods and decorations.

What to Expect:

  • Special moon-viewing events at temples and gardens
  • Traditional tsukimi displays featuring pampas grass and seasonal offerings
  • Tsukimi dango (round rice dumplings) and other seasonal foods
  • Poetic evening atmosphere at viewing locations
  • Cultural performances at larger events

Hike Mount Fuji (Early September Only)

Mount Fuji

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Location: Mount Fuji, bordering Yamanashi and Shizuoka Prefectures

Why It’s Great in September: The official climbing season for Mount Fuji ends in early September, offering a last chance to summit Japan’s iconic mountain before winter closes the trails.

What to Expect:

  • Less crowded trails than during the peak August season
  • Cooler temperatures making for more comfortable climbing conditions
  • Mountain huts still open (usually until September 10)
  • Clear morning views (though weather can be unpredictable)
  • The satisfaction of climbing Japan’s highest and most sacred mountain

Explore Kyoto Without Summer Crowds

A market in Kyoto

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Location: Kyoto City, Kyoto Prefecture

Why It’s Great in September: With summer tourists gone and school back in session, September offers a chance to explore Kyoto’s magnificent temples, shrines, and gardens with smaller crowds.

What to Expect:

  • More peaceful visits to popular sites like Kinkaku-ji and Fushimi Inari
  • Pleasant temperatures for walking tours
  • Early signs of autumn colors at higher elevation temples
  • Better photo opportunities without crowds
  • More authentic experiences at local restaurants and shops

Visit the Tokyo Game Show

Tokyo

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Location: Makuhari Messe, Chiba (Greater Tokyo)

Why It’s Great in September: One of the world’s largest video game exhibitions takes place in September, showcasing upcoming games, new hardware, and the latest industry innovations.

What to Expect:

  • Hands-on demos of unreleased games
  • Spectacular exhibits from major gaming companies
  • Cosplay competitions and displays
  • Gaming merchandise and collectibles
  • Industry panels and presentations

Enjoy September Seasonal Foods

Ramen with seasonal ingredients

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Location: Restaurants throughout Japan

Why It’s Great in September: September marks the beginning of autumn food season in Japan, with numerous seasonal delicacies becoming available.

What to Expect:

  • Matsutake mushrooms, considered among Japan’s most premium ingredients
  • Fresh Pacific saury (sanma), a fall fish specialty
  • Early harvest chestnuts (kuri) in various dishes
  • Seasonal menu changes at traditional restaurants
  • Special autumn sweets and wagashi (Japanese confections)

Attend a Sumo Tournament

Ryogoku tournament

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Location:Ryogoku Kokugikan, Tokyo

Why It’s Great in September: The September Grand Sumo Tournament (Aki Basho) is one of only six official tournaments held throughout the year, offering a chance to see Japan’s national sport at its highest level.

What to Expect:

  • Full-day sumo matches featuring wrestlers of all ranks
  • Traditional rituals and ceremonies
  • The opportunity to witness yokozuna (grand champions) compete
  • Enthusiastic local crowds
  • An authentic cultural experience

Go Shopping During September Sales

Shopping district in Japan

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Location: Department stores and shopping districts in major cities

Why It’s Great in September: Many Japanese retailers hold seasonal sales in September as they transition from summer to autumn merchandise.

What to Expect:

  • Discounts on summer items and early fall collections
  • Special seasonal products and limited editions
  • Less crowded shopping areas than during holiday seasons
  • Department store food halls featuring autumn specialties
  • Tax-free shopping opportunities for foreign visitors

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Places to See in Japan in September

Canals on Meguro River during cherry blossom season

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Here are the top places to visit in Japan during September:

Tokyo

Japan’s capital Tokyo welcomes visitors with more comfortable temperatures in September, making it an excellent time to explore its many neighborhoods. From the traditional streets of Asakusa to the modern energy of Shibuya, the city offers countless experiences.

Visit the peaceful Meiji Shrine surrounded by its forest in central Tokyo, or get a bird’s-eye view from Tokyo Skytree. Spend time at historic Sensoji Temple with its famous red lantern, then relax in Ueno Park. Food lovers should head to Tsukiji Outer Market, while tech enthusiasts will enjoy Akihabara’s electronics shops.

Kyoto

Japan’s cultural center, Kyoto, becomes more accessible in September as summer crowds thin out. The ancient capital with its 1,600 temples and 400 shrines can be enjoyed in pleasant weather, and some higher-elevation areas start showing early autumn colors.

The golden reflection of Kinkaku-ji (Golden Pavilion) shimmers in its pond, while thousands of vermilion gates create tunnels at Fushimi Inari Shrine. Walk through the magical Arashiyama Bamboo Grove early in the morning, then visit the wooden stage of Kiyomizu-dera Temple with its city views.

Hokkaido

Japan’s northernmost island Hokkaido is the first region to display autumn colors, typically starting in mid-September. The comfortable temperatures create ideal conditions for exploring national parks, mountains, and hot spring resorts across the island.

Daisetsuzan National Park offers hiking trails through early autumn foliage, while the rural areas of Furano and Biei showcase farm fields and flower gardens. The modern city of Sapporo provides urban comforts, and nearby Lake Toya offers beautiful caldera views. 

Nikko

This UNESCO World Heritage site north of Tokyo features detailed shrines set among mountains and forests. In September, the area begins its transition to fall, with comfortable temperatures for enjoying both cultural and natural attractions.

The incredibly ornate Toshogu Shrine houses the tomb of Tokugawa Ieyasu and features over 5,000 carvings. Nearby Rinnoji Temple contains three gold Buddha statues, while the sacred Shinkyo Bridge creates a red arch over the mountain stream. Nature lovers should continue to Lake Chuzenji and the impressive Kegon Falls.

Osaka

Japan’s food capital Osaka stays lively year-round, but September brings the exciting Kishiwada Danjiri Festival with its racing wooden floats. The city’s famous street food and nightlife become more enjoyable with September’s milder temperatures.

Visit the historic Osaka Castle with its museum and surrounding park, then head to Dotonbori to see the famous moving signs and try local specialties like takoyaki and okonomiyaki. Food lovers shouldn’t miss Kuromon Market, known as “Osaka’s Kitchen,” where you can sample fresh seafood and local treats.

Kamakura

This seaside city just south of Tokyo was Japan’s medieval capital during the 12th century. September’s mild temperatures and light rainfall create ideal conditions for exploring its temples, shrines, and hiking trails, plus you’ll encounter fewer tourists than in peak season.

The bronze Great Buddha of Kamakura sits in the open air at Kotoku-in, standing 13 meters tall despite the tsunami that washed away its housing structure centuries ago. Nearby Hasedera Temple features lush gardens and sweeping views of the bay, while Tsurugaoka Hachimangu Shrine crowns a long, tree-lined approach through the city center. 

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Japan Events in September

Outdoor Kabuki Play

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Here are some exciting events in September that you can attend during your trip to Japan:

1. Kishiwada Danjiri Matsuri

When: Mid-September (usually around September 14-15)

Location: Kishiwada City, Osaka Prefecture

2. Tokyo Game Show

When: Late September (usually around September 21-24)

Location: Makuhari Messe, Chiba Prefecture (Greater Tokyo)

3. Autumn Grand Sumo Tournament (Aki Basho)

When: Mid-September (usually two weeks, starting around September 10)

Location: Ryogoku Kokugikan, Tokyo

4. Tsukimi (Moon Viewing) Celebrations

When: Mid to late September (dates vary according to the lunar calendar)

Location: Various locations throughout Japan

5. Fujisaki Hachimangu Festival

When: Mid-September (around September 14-16)

Location: Kumamoto City, Kumamoto Prefecture

6. Owara Kaze-no-Bon

When: September 1-3

Location: Yatsuo, Toyama Prefecture

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Things to Know Before Visiting Japan in September

Outside Sensoji Temple

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  • Typhoon Awareness: September is still typhoon season in Japan. While major disruptions are uncommon, monitor weather forecasts and have flexible plans in case of stormy days.
  • Silver Week: In years when certain national holidays align (not every year), Japan has a “Silver Week” holiday period in late September. During this time, domestic tourism increases, and some businesses may close.
  • Seasonal Transitions: Pack for varying weather conditions, as September can bring both summer-like days and cooler autumn temperatures, especially in the mornings and evenings.
  • Mosquito Protection: While less prevalent than in summer, mosquitoes can still be present in September, particularly in rural areas and near water.
  • Autumn Allergies: Some visitors may experience hay fever from ragweed pollen, which peaks in September in many parts of Japan.
  • Booking Transportation: Reserve shinkansen (bullet train) tickets in advance, especially if traveling during Silver Week or around popular festival dates.

What to Pack for Japan in September?

Clothing

Lightweight and medium-weight layerable clothing, light jacket or cardigan for evenings

Footwear

Comfortable walking shoes, sandals for warmer days

Rain Gear

Compact umbrella, light raincoat or poncho

Sun Protection

Sunglasses, sunscreen, hat

Health Items

Insect repellent, allergy medications if needed

Electronics

Camera, smartphone with translation app, portable charger

Documents

Passport, printed accommodations info, Japan Rail Pass (if purchased)

Miscellaneous

Small towel (many public restrooms don’t provide them), hand sanitizer

What to Wear in Japan in September?

Japan in September requires adaptable clothing as the weather transitions from summer to fall. Mornings and evenings can be cool while afternoons remain warm. Consider these clothing options:

  • Lightweight t-shirts and tops for warmer days
  • Long-sleeve shirts for cooler days or evenings
  • Light cardigan or jacket that can be easily carried
  • Comfortable pants or jeans (shorts for warmer days)
  • Light scarf that can be added or removed as needed
  • Walking shoes for sightseeing and hiking
  • Rain jacket or compact umbrella
  • Business casual attire for nicer restaurants
  • Modest clothing for visiting temples and shrines (covering shoulders and knees)

Transport in September

Highways in central Tokyo

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  • Japan Rail Pass: Consider purchasing a Japan Rail Pass if you’ll be traveling between multiple cities. It must be bought before entering Japan.
  • IC Cards: Prepaid IC cards like Suica or PASMO make local transportation more convenient. They work on most urban transit systems throughout Japan.
  • Shinkansen (Bullet Train): The fastest way to travel between major cities. Reserve seats in advance during busy periods.
  • Local Trains: Extensive networks connect most areas. Services are punctual and reliable.
  • Buses: Good option for reaching areas not served by trains, including many tourist attractions.
  • Taxis: Convenient but expensive. Drivers rarely speak English, so have your destination written in Japanese.
  • Rental Cars: Consider only if visiting rural areas. International Driving Permit required.

Where to Stay in Japan in September?

Japan offers diverse accommodation options to suit different preferences and budgets:

Luxury Hotels: Major international chains and Japanese luxury brands offer high-end accommodations in major cities. Prices in September are typically lower than peak tourist seasons.

Business Hotels: Practical, affordable options with clean, compact rooms available throughout Japan. Popular chains include:

Traditional Ryokan: Japanese inns offering tatami rooms, futon bedding, and often kaiseki meals and onsen baths. Experience authentic Japanese hospitality at:

Minshuku: Family-run guesthouses offering a more affordable traditional experience.

Hostels: Budget-friendly options with dormitory-style and private rooms. Popular chains include:

Capsule Hotels: Unique Japanese experience offering small, pod-like sleeping spaces. Good for solo travelers on a budget.

What to Eat in Japan in September?

September brings many seasonal specialties to Japanese menus:

  • Matsutake Mushrooms: Highly prized aromatic mushrooms often served in clear soup, with rice, or grilled.
  • Pacific Saury (Sanma): A fall fish typically grilled with salt and served with grated daikon radish and sudachi citrus.
  • Chestnuts (Kuri): Found in various dishes from savory rice (kurigohan) to sweet desserts (mont blanc).
  • Persimmons (Kaki): Early varieties begin appearing in September, eaten fresh or dried.
  • Grapes: Premium varieties like Kyoho and Shine Muscat are at their peak.
  • Tsukimi Foods: Special moon-viewing dishes include tsukimi dango (round rice dumplings) and tsukimi-soba/udon (noodles with a raw egg representing the moon).
  • Sweet Potatoes: Roasted sweet potatoes (yaki-imo) begin appearing as street food.
  • Autumn Kaiseki: Seasonal tasting menus at traditional restaurants showcase fall ingredients.
  • Seasonal Wagashi: Traditional Japanese sweets change to reflect autumn themes and flavors.

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FAQs

Is September a good time to visit Japan?

Yes, September is an excellent time to visit Japan. The summer heat and humidity begin to subside, tourist crowds thin out after the August peak, and early autumn colors appear in northern regions. You’ll find pleasant temperatures for sightseeing, exciting cultural festivals, and seasonal culinary specialties throughout Japan in September.

How hot is Japan in September?

Japan’s temperature in September varies by region but is generally comfortable. Tokyo averages 21-27°C (70-81°F), while Hokkaido is cooler at 13-22°C (55-72°F). Southern regions like Okinawa remain warmer at 26-31°C (79-88°F). Humidity decreases throughout the month, making outdoor activities more enjoyable.

What is the average temperature in Japan in September?

The average temperature across Japan in September ranges from 13-29°C (55-84°F), depending on the region. Central Japan (Tokyo, Kyoto, Osaka) averages around 21-28°C (70-82°F), with cooler temperatures in northern regions and warmer conditions in the south.

Can tourists enjoy Japan in September?

Absolutely! Tourists can enjoy numerous activities in Japan during September. The comfortable weather makes sightseeing pleasant, cultural festivals provide authentic experiences, and seasonal foods offer unique flavors. With fewer crowds than summer months, you’ll have better access to popular attractions and more authentic interactions with locals.

What to wear in Japan in September?

Pack layerable clothing for Japan in September. Bring light t-shirts, long-sleeve shirts, a light jacket or cardigan for cooler evenings, comfortable walking shoes, and a light raincoat or umbrella. Modest clothing (covering shoulders and knees) is appropriate for temple visits. The weather can vary, so adaptable clothing is key.

Is it safe to visit Japan in September?

Yes, Japan is generally very safe for tourists in September. The main consideration is the possibility of typhoons, which occasionally affect coastal areas. Stay informed about weather forecasts and follow any evacuation instructions if necessary. Otherwise, Japan maintains its reputation as one of the world’s safest countries for travelers.

What are the best places to visit in Japan in September?

The best places to visit in Japan in September include Hokkaido for early autumn colors, Tokyo and Kyoto with comfortable sightseeing weather, Osaka for the exciting Kishiwada Danjiri Festival, Nikko for natural beauty, and Hakone for clearer views of Mount Fuji. Each region offers unique attractions and experiences during this pleasant transitional season.

Are outdoor attractions open in Japan during September?

Yes, outdoor attractions in Japan are typically open throughout September, and many are more enjoyable than during summer’s heat and humidity. National parks, gardens, hiking trails, and outdoor cultural sites welcome visitors. Japan in September offers ideal conditions for exploring the country’s natural beauty and outdoor cultural sites.