Assos weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Assos in September. Check more long-term weather averages for Assos in September before you book your next holiday to Kefalonia in 2025/2026.

  • 27°C maximum daytime temperature in September in Assos27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 5 days with some rainfall in September in Assos5
    5 days with some rainfall
  • 16°C minimum night-time temperature in September in Assos16
    16°C min night temperature
  • 12 hours of daylight per day in September in Assos12
    12 hours of daylight per day
  • Low heat & humidity in September in AssosL
    Low heat & humidity
  • 47 mm monthly rainfall in September in Assos47
    47 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Assos7
    7 (High) UV index
  • 24°C sea temperature in September in Assos24
    24°C sea temperature

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The September weather guide for Kefalonia (Assos) 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 Assos in September?

Daytime temperatures usually reach 27°C in Assos in September with low heat and humidity, falling to 16°C at night.

How sunny is it in Assos in September?

There are normally 9 hours of bright sunshine each day in Assos in September - that's 75% of daylight hours.

How warm is the sea around Assos in September?

The average sea temperature around Assos in September is 24°C.

Does it rain in Assos in September?

There are usually 5 days with some rain in Assos in September and the average monthly rainfall is 47mm.

Assos September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:07 19:08
Monday, 15th September 2025 06:19 18:46
Tuesday, 30th September 2025 06:33 18:22

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