Kushiro weather in September 2025

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Kushiro in September. Check more long-term weather averages for Kushiro in September before you book your next holiday to Japan in 2025/2026.

  • 19°C maximum daytime temperature in September in Kushiro19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in September in Kushiro17
    17 days with some rainfall
  • 11°C minimum night-time temperature in September in Kushiro11
    11°C min night temperature
  • 12 hours of daylight per day in September in Kushiro12
    12 hours of daylight per day
  • No heat & humidity in September in Kushiro0
    No heat & humidity
  • 140 mm monthly rainfall in September in Kushiro140
    140 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Kushiro6
    6 (High) UV index
  • 16°C sea temperature in September in Kushiro16
    16°C sea temperature

More about Kushiro

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The September weather guide for Japan (Kushiro) 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)

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How hot is it in Kushiro in September?

Daytime temperatures usually reach 19°C in Kushiro in September, falling to 11°C at night.

How sunny is it in Kushiro in September?

There are normally 5 hours of bright sunshine each day in Kushiro in September - that's 40% of daylight hours.

How warm is the sea around Kushiro in September?

The average sea temperature around Kushiro in September is 16°C.

Does it rain in Kushiro in September?

There are usually 17 days with some rain in Kushiro in September and the average monthly rainfall is 140mm.

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

On average 1.1 days in September in Kushiro are likely to be affected by the passage of one or more tropical storms.

Kushiro September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 04:47 17:58
Monday, 15th September 2025 05:02 17:33
Tuesday, 30th September 2025 05:18 17:06

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