Ishigaki weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ishigaki in September. Check more long-term weather averages for Ishigaki in September before you book your next holiday to Japan in 2025/2026.

  • 30°C maximum daytime temperature in September in Ishigaki30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 22 days with some rainfall in September in Ishigaki22
    22 days with some rainfall
  • 25°C minimum night-time temperature in September in Ishigaki25
    25°C min night temperature
  • 12 hours of daylight per day in September in Ishigaki12
    12 hours of daylight per day
  • High heat & humidity in September in IshigakiH
    High heat & humidity
  • 237 mm monthly rainfall in September in Ishigaki237
    237 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in September in Ishigaki11
    11 (Extreme) UV index
  • 28°C sea temperature in September in Ishigaki28
    28°C sea temperature

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

Daytime temperatures usually reach 30°C in Ishigaki in September with high heat and humidity, falling to 25°C at night.

How sunny is it in Ishigaki in September?

There are normally 6 hours of bright sunshine each day in Ishigaki in September - that's 52% of daylight hours.

How warm is the sea around Ishigaki in September?

The average sea temperature around Ishigaki in September is 28°C.

Does it rain in Ishigaki in September?

There are usually 22 days with some rain in Ishigaki in September and the average monthly rainfall is 237mm.

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

On average 3 days in September in Ishigaki are likely to be affected by the passage of one or more tropical storms.

Ishigaki September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:25 19:02
Monday, 15th September 2025 06:30 18:47
Tuesday, 30th September 2025 06:35 18:32

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