Kamaishi weather in September 2025

Expect 23°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Kamaishi in September. Check more long-term weather averages for Kamaishi in September before you book your next holiday to Japan in 2025/2026.

  • 23°C maximum daytime temperature in September in Kamaishi23
    23°C max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in September in Kamaishi20
    20 days with some rainfall
  • 14°C minimum night-time temperature in September in Kamaishi14
    14°C min night temperature
  • 12 hours of daylight per day in September in Kamaishi12
    12 hours of daylight per day
  • No heat & humidity in September in Kamaishi0
    No heat & humidity
  • 190 mm monthly rainfall in September in Kamaishi190
    190 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Kamaishi7
    7 (High) UV index
  • 21°C sea temperature in September in Kamaishi21
    21°C sea temperature

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

Daytime temperatures usually reach 23°C in Kamaishi in September, falling to 14°C at night.

How sunny is it in Kamaishi in September?

There are normally 4 hours of bright sunshine each day in Kamaishi in September - that's 35% of daylight hours.

How warm is the sea around Kamaishi in September?

The average sea temperature around Kamaishi in September is 21°C.

Does it rain in Kamaishi in September?

There are usually 20 days with some rain in Kamaishi in September and the average monthly rainfall is 190mm.

Kamaishi September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:01 18:04
Monday, 15th September 2025 05:13 17:41
Tuesday, 30th September 2025 05:27 17:17

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