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Kumagaya weather in September 2026
Expect daytime maximum temperatures of 26°C in Kumagaya, Japan in September based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 189 mm of rainfall in the month.
- 26°C max day temperature
26 - 4 hours of sunshine per day
- 20 days with some rainfall
20 - 19°C min night temperature
19 - 12 hours of daylight per day
12 - Low heat & humidity
L - 189 mm of monthly rainfall
189 - 8 (Very High) UV index
8
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Recommended for Japan
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 / mm) | Imperial (°F / inches)
More about Japan
How hot is it in Kumagaya in September?
Daytime temperatures usually reach 27°C in Kumagaya in September with low heat and humidity, falling to 20°C 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.
How warm is the sea around Kumagaya in September?
The average sea temperature around Kumagaya in September is 25°C.
Does it rain in Kumagaya in September?
There are usually 19 days with some rain in Kumagaya in September and the average monthly rainfall is 181mm.
What is the chance of a typhoon in Kumagaya in September?
On average 1.4 days in September in Kumagaya are likely to be affected by the passage of one or more tropical storms.
Kumagaya September sunrise & sunset times
Browse the sunrise and sunset times for Kumagaya in September 2026. Select a month to view Kumagaya sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st September 2026 | 05:14 | 18:11 |
| Tuesday, 15th September 2026 | 05:24 | 17:51 |
| Wednesday, 30th September 2026 | 05:36 | 17:28 |
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