Kumagaya weather in September 2025

Expect 79°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Kumagaya in September. Check more long-term weather averages for Kumagaya in September before you book your next holiday to Japan in 2025/2026.

  • 79°F maximum daytime temperature in September in Kumagaya79
    79°F max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in September in Kumagaya20
    20 days with some rainfall
  • 66°F minimum night-time temperature in September in Kumagaya66
    66°F min night temperature
  • 12 hours of daylight per day in September in Kumagaya12
    12 hours of daylight per day
  • Low heat & humidity in September in KumagayaL
    Low heat & humidity
  • 7.4 inches monthly rainfall in September in Kumagaya7.4
    7.4 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Kumagaya8
    8 (Very High) UV index

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The September weather guide for Japan (Kumagaya) 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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How hot is it in Kumagaya in September?

Daytime temperatures usually reach 79°F in Kumagaya in September with low heat and humidity, falling to 66°F at night.

How sunny is it in Kumagaya in September?

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

Does it rain in Kumagaya in September?

There are usually 20 days with some rain in Kumagaya in September and the average monthly rainfall is 7.4 inches.

Kumagaya September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:14 18:11
Monday, 15th September 2025 05:25 17:50
Tuesday, 30th September 2025 05:37 17:28

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