Aomori weather in September 2025

Expect 22°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Aomori in September. Check more long-term weather averages for Aomori in September before you book your next holiday to Japan in 2025/2026.

  • 22°C maximum daytime temperature in September in Aomori22
    22°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in September in Aomori19
    19 days with some rainfall
  • 13°C minimum night-time temperature in September in Aomori13
    13°C min night temperature
  • 12 hours of daylight per day in September in Aomori12
    12 hours of daylight per day
  • No heat & humidity in September in Aomori0
    No heat & humidity
  • 144 mm monthly rainfall in September in Aomori144
    144 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Aomori7
    7 (High) UV index
  • 22°C sea temperature in September in Aomori22
    22°C sea temperature

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The September weather guide for Japan (Aomori) 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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More about Japan

How hot is it in Aomori in September?

Daytime temperatures usually reach 22°C in Aomori in September, falling to 13°C at night.

How sunny is it in Aomori in September?

There are normally 5 hours of bright sunshine each day in Aomori in September - that's 41% of daylight hours.

How warm is the sea around Aomori in September?

The average sea temperature around Aomori in September is 22°C.

Does it rain in Aomori in September?

There are usually 19 days with some rain in Aomori in September and the average monthly rainfall is 144mm.

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

On average 1.3 days in September in Aomori are likely to be affected by the passage of one or more tropical storms.

Aomori September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:04 18:10
Monday, 15th September 2025 05:17 17:47
Tuesday, 30th September 2025 05:32 17:21

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