September sees the peak of Tokyo's typhoon season, making it Tokyo's wettest month. The start of the month sees continued high temperatures and humidity, which gradually ease off later in the month. Showers can be sudden and prolonged, so be sure to have a backup for any outdoor plans.
Tokyo's Weather and Climate in September
In September, Tokyo is quite warm, with temperatures usually between 20–28°C (68–82°F). Sometimes, it can get as hot as 32°C or 33°C (92 °F) . The humidity can make it feel even stickier.
September marks the end of the rainy season. Most days are sunny, but you might experience sudden heavy showers that pass quickly. It could rain in the morning and then turn sunny in the afternoon.
This month is also the typhoon season in Tokyo. While there can be several typhoons, some years have none at all. For example, during our 14-day trip to Tokyo in 2024, we only had one rainy day and no typhoons. If a typhoon does hit, it can bring heavy rain or storms lasting 1-3 days. Overall, the number of rainy days can vary, so you might experience a mix of weather.
Japan Weather in January Summary Table
| Averages | Description | |
| Temperature Range | 20–28°C (68–82°F) | Warm |
| Rainfall | 22 cm (9"), 12 days | High, wet |
| Humidity | 75% | Humid |
| High Feels Like | 32°C (90°F) | Very hot |
| Sunshine | 4 hours | Often cloudy |
Is It Worth Visiting Tokyo in September?
It depends! If you can handle some heat, September is a great time to visit. You'll find lower prices and fewer crowds, meaning no long lines at attractions or stations.
If you plan to visit this month, mix indoor and outdoor activities in your itinerary. Be flexible in case of typhoons. We know planning a trip to Japan can be tricky, so feel free to ask us for help!
A bonus of visiting in September is the amazing summer fireworks festivals. It's also your last chance this year to see sumo wrestling in Tokyo.
While typhoons can be a concern, they usually just bring rain to Tokyo. They might cause delays in flights and trains and could close some attractions. During storms, you may need to stay at your hotel, but with a flexible plan, you'll be just fine. Japan is well-prepared for typhoons, so the risks for tourists are very low.
Top Things to Do in September
Here are some recommendations for unique activities that you can only enjoy in September in Tokyo:
1. Watch the Dazzling Chofu City Fireworks
Experience a stunning fireworks show on September 21st along the Tama River. This event features 10,000 fireworks set to music and film scores. You can choose between ticketed seating or a free viewing area. Seats fill up fast, so arrive a few hours early for a good spot. Don't forget to try the local soba noodles! Note that the event may be canceled or rescheduled due to bad weather.
2. Experience the Grand Sumo Tournament
September is your chance to see one of the biggest sumo events of the year at Ryogoku Kokugikan, the national sumo stadium. The tournament lasts for 15 days, and while ringside tickets are usually not available, you can buy box or arena seats.
September is the chance to see the penultimate event of the year, and the last of the year that is held in Tokyo.
The tournament lasts for 15 days throughout September and is held at Ryogoku Kokugikan, the national sumo stadium. Ringside tickets are normally not available to the general public, but you can buy either box seats or arena seats.
3. The Shibuya Nebuta (Lantern) Festival
From September 12th to 14th, enjoy the vibrant nebuta lanterns, which depict historical and mythical figures. The festival takes place around Inokashira and Center-gai shopping streets in Shibuya. The highlight is a parade on September 14th starting at 5:30 PM, featuring floats, drummers, dancers, and musicians.
4. Kichijoji Autumn Festival
Celebrate autumn in Kichijoji on September 14th and 15th. The festival features parades of mikoshi (portable shrines). The main event is on the second day, with a parade starting at 2 PM from Kichijoji Station's north exit. Enjoy traditional performances, local food stalls, and souvenirs. If the weather is nice, take a stroll in Inokashira Park; if it rains, explore the cozy bars and restaurants in Harmonica Yokocho.
What to Wear in Tokyo in September
Weather in September is changeable, so travelers are advised to bring layers. It is warmer during the daytime and cooler in the evening, so it is a good idea to at least bring warmer layers or a jacket for later in the day.
Is it Expensive to Visit Tokyo in September?
September is the low travel season in Tokyo, travel prices are much lower than the high season from March to May, and July, August, and October to December.
Recommended Tours for Tokyo in September
Asia Highlights offers a variety of different tours that visit Tokyo, including those that would work well for trips in September. These itineraries can always be customized or tailored to suit your own interests and requirements.
If you have any questions or want our Japan experts to put together your own tailor-made itinerary, please don't hesitate to contact us.
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