Izumo weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Izumo in September. Check more long-term weather averages for Izumo in September before you book your next holiday to Japan in 2025/2026.

  • 26°C maximum daytime temperature in September in Izumo26
    26°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in September in Izumo18
    18 days with some rainfall
  • 18°C minimum night-time temperature in September in Izumo18
    18°C min night temperature
  • 12 hours of daylight per day in September in Izumo12
    12 hours of daylight per day
  • Low heat & humidity in September in IzumoL
    Low heat & humidity
  • 207 mm monthly rainfall in September in Izumo207
    207 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Izumo8
    8 (Very High) UV index
  • 25°C sea temperature in September in Izumo25
    25°C sea temperature

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The September weather guide for Japan (Izumo) 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 Izumo in September?

Daytime temperatures usually reach 26°C in Izumo in September with low heat and humidity, falling to 18°C at night.

How sunny is it in Izumo in September?

There are normally 5 hours of bright sunshine each day in Izumo in September - that's 42% of daylight hours.

How warm is the sea around Izumo in September?

The average sea temperature around Izumo in September is 25°C.

Does it rain in Izumo in September?

There are usually 18 days with some rain in Izumo in September and the average monthly rainfall is 207mm.

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

On average 1.5 days in September in Izumo are likely to be affected by the passage of one or more tropical storms.

Izumo September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:41 18:36
Monday, 15th September 2025 05:52 18:16
Tuesday, 30th September 2025 06:03 17:55

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