Kochi weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Kochi in September. Check more long-term weather averages for Kochi in September before you book your next holiday to Japan in 2025/2026.

  • 27°C maximum daytime temperature in September in Kochi27
    27°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in September in Kochi18
    18 days with some rainfall
  • 20°C minimum night-time temperature in September in Kochi20
    20°C min night temperature
  • 12 hours of daylight per day in September in Kochi12
    12 hours of daylight per day
  • Moderate heat & humidity in September in KochiM
    Moderate heat & humidity
  • 313 mm monthly rainfall in September in Kochi313
    313 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Kochi9
    9 (Very High) UV index
  • 27°C sea temperature in September in Kochi27
    27°C sea temperature

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

Daytime temperatures usually reach 27°C in Kochi in September with moderate heat and humidity, falling to 20°C at night.

How sunny is it in Kochi in September?

There are normally 5 hours of bright sunshine each day in Kochi in September - that's 43% of daylight hours.

How warm is the sea around Kochi in September?

The average sea temperature around Kochi in September is 27°C.

Does it rain in Kochi in September?

There are usually 18 days with some rain in Kochi in September and the average monthly rainfall is 313mm.

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

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

Kochi September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:40 18:32
Monday, 15th September 2025 05:49 18:13
Tuesday, 30th September 2025 05:59 17:52

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