Tokyo in September
avoid · ruled out this year · the wettest month of the year
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The numbers
| Daily high | 27°C |
|---|---|
| Nightly low | 21°C |
| Feels like, afternoon | 29°C |
| Rainy days | 12 · 157 mm |
| Humidity | 82% |
| Sunshine | 7.9 h/day |
| Daylight | 12.2 h/day |
| Days over 35°C | 0 |
| Crowds | 85 / 100, higher is quieter |
Ten-year averages for this calendar month. A rainy day is one with at least 2 mm.
Public holidays in September
Holidays crowd a place out and push fares up around them; they count toward the crowd score above.
What September is known for
- Shoulder season — Fall foliage begins, making it a beautiful time to visit with moderate crowds.
- typhoon season, moderate
Written by a language model from the climate figures; the numbers above are measured and win where the two disagree.
What to pack
- Summer clothes by day, highs around 27°C.
- A packable rain jacket for the 12 or so rainy days.
- Humidity averages 82%; breathable fabrics dry faster.
Each line is a threshold over the ten-year figures above, not advice from anywhere else.
Before you go
| Cost of living | moderate — prices run about 65% of the United States' (World Bank, 2025) |
|---|---|
| Currency | Yen |
| Languages | Japanese |
| Plugs | Type A and B, 100 V |
| Driving | On the left |
| Emergency | 119, 110, 118 |
| Calling code | +81 |
| Travel advice | No advice against travel — UK Foreign Office, updated 2026-08-28 |
Health. Before you travel check that: your destination can provide the healthcare you may need you have appropriate travel insurance for local treatment or unexpected medical evacuation This is particularly important if you have a health condition or are pregnant. Emergency medical number Dial 119 and ask for an ambulance. Contact your insurance company quickly if you’re referred to a medical facility for… More.
Facts from Wikidata (CC0), the UK Foreign Office (Open Government Licence) and the World Bank, refreshed 2026-09-23. The advisory is written for British travellers; entry rules depend on your passport.
The other months at Tokyo
- January ok
- February sweet spot
- March ok
- April sweet spot
- May sweet spot
- June avoid
- July sweet spot
- August sweet spot
- September
- October sweet spot
- November sweet spot
- December ok
← August · All twelve months at Tokyo · October →
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