Month guide · Tokyo · Japan
Tokyo in September
What September is really like in Tokyo: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Quick answer
September is a quieter month with trade-offs. Expect average highs of 27°C (81°F), lows of 21°C (70°F), about 11 rainy days and roughly 12.3 hours of daylight. Still hot and humid early in the month, with the highest risk of typhoons bringing heavy rain.
Key facts
- Average high / low
- 27°C (81°F) / 21°C (70°F)
- Rainy days
- About 11
- Daylight
- About 12.3 hours
- Sea temperature
- 26°C (79°F)
- Crowds
- Moderate
- Hotel prices
- Average
Weather in September
September is the 3rd-warmest month in Tokyo: days average 27°C (81°F) against a yearly average high of 20°C (68°F), and nights fall to about 21°C (70°F). Rain falls on roughly 11 of its 30 days. Compared with August (31°C (88°F)), September is cooler; by October highs drop to around 22°C (72°F).
- Sunrise (15 September)
- About 05:24
- Sunset (15 September)
- About 17:49
- Daylight
- About 12.3 hours
- Sea
- 26°C (79°F)
Autumn (September–November). Heat and typhoon risk in September give way to clear, comfortable October days and autumn leaves in November.
Crowds and prices
On a 1–5 scale, September rates 3 for crowds (the peak is April at 5) and 3 for hotel prices (highest in April). Prices sit in the middle of the year's range.
Events in September
- September Grand Sumo Tournament at Ryogoku (usually mid-September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.

Museum · Ueno
Tokyo National Museum
Start in the main Honkan building for an overview of Japanese art, then save the dimly lit Horyuji gallery for a quiet finish.
- Time needed
- 2–3 hours
- Cost
- Low cost
- Art
- History
- Rainy day
Experience · Toyosu
teamLab Planets
In this immersive digital-art museum you walk barefoot through rooms of knee-deep water, mirrored light installations and a garden of suspended orchids, with artworks that respond to your movement.
- Time needed
- 1.5–2 hours
- Cost
- Mid-priced
- Kids
- Art
- Rainy day
- Photo spot
Museum · Mitaka
Ghibli Museum
Walk to the museum through Inokashira Park from Kichijoji Station, about 15 minutes.
- Time needed
- 2–3 hours
- Cost
- Low cost
- Kids
- Art
- Rainy day

Religious site · Asakusa
Senso-ji Temple
Tokyo's oldest temple, founded according to tradition in 628, is approached through the Kaminarimon gate with its giant red lantern and along Nakamise-dori, a 250-metre street of snack and souvenir stalls.
- Time needed
- 1–2 hours
- Cost
- Free
- Iconic
- Free
- History
- After dark
- Photo spot
The sea averages 26°C (79°F) — warm enough to swim. Best beaches near Tokyo.
What to pack
For highs near 27°C, lows near 21°C and 11 wet days: light layers for the day and a light jacket for the evening; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Tokyo?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, March–May and October–November are better overall. Compare every month.
Tokyo in other months
Questions travellers ask
+Is September a good time to visit Tokyo?
It is a quieter month with trade-offs. Still hot and humid early in the month, with the highest risk of typhoons bringing heavy rain.
+How warm is Tokyo in September?
Average highs are around 27°C (81°F) and lows around 21°C (70°F).
+Does it rain a lot in Tokyo in September?
Expect rain on about 11 days of the month.