Tokyo weather in September 2025

Expect 81°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Tokyo in September. Check more long-term weather averages for Tokyo in September before you book your next holiday to Japan in 2025/2026.

  • 81°F maximum daytime temperature in September in Tokyo81
    81°F max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in September in Tokyo19
    19 days with some rainfall
  • 68°F minimum night-time temperature in September in Tokyo68
    68°F min night temperature
  • 12 hours of daylight per day in September in Tokyo12
    12 hours of daylight per day
  • Low heat & humidity in September in TokyoL
    Low heat & humidity
  • 7.1 inches monthly rainfall in September in Tokyo7.1
    7.1 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Tokyo8
    8 (Very High) UV index
  • 77°F sea temperature in September in Tokyo77
    77°F sea temperature

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The September weather guide for Japan (Tokyo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about Japan

How hot is it in Tokyo in September?

Daytime temperatures usually reach 81°F in Tokyo in September with low heat and humidity, falling to 68°F at night.

How sunny is it in Tokyo in September?

There are normally 4 hours of bright sunshine each day in Tokyo in September - that's 31% of daylight hours.

How warm is the sea around Tokyo in September?

The average sea temperature around Tokyo in September is 77°F.

Does it rain in Tokyo in September?

There are usually 19 days with some rain in Tokyo in September and the average monthly rainfall is 7.1 inches.

What is the chance of a typhoon in Tokyo in September?

On average 1.4 days in September in Tokyo are likely to be affected by the passage of one or more tropical storms.

Tokyo September sunrise & sunset times

Browse the sunrise and sunset times for Tokyo in September 2025. Select a month to view Tokyo sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:13 18:09
Monday, 15th September 2025 05:23 17:48
Tuesday, 30th September 2025 05:35 17:26

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