Tokyo Weather in September – Average Temperature and Rainfall
- High
- 27.8°
- Low
- 20.9°
- Rainfall
- 208 mm
- Rainy season
- 16d
- max
- 36.6°
- min
- 12.3°
September
- Early
- 29.3° 81.7 mm
- Mid
- 28.3° 61.1 mm
- Late
- 25.9° 65.0 mm
Summary
The climate figures for Tokyo are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 1,592 mm.
The rainy season runs March–October. The wettest month is September with 207.8 mm across 16 rain days; the driest is February at just 50.8 mm.
The hottest month is August (average high 31.8°C) and the coolest is January (9.2°C).
The most comfortable time to visit Tokyo is February — less rain and milder heat.
Monthly averages
Common questions
Will it rain in Tokyo today?
Yes. Rain is expected around 00:00–14:00, totalling roughly 21.4 mm.
How hot is it in Tokyo today?
Between 11°C and 17°C, with a felt maximum of 17°C.
What is the weather in Tokyo tomorrow?
Tomorrow: light drizzle, 14–23°C, with a 6% chance of rain.