Poros weather in September 2025

Expect daytime maximum temperatures of 26°C in Poros, Kefalonia in September based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 41 mm of rainfall in the month.

  • 26°C maximum daytime temperature in September in Poros26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in September in Poros4
    4 days with some rainfall
  • 16°C minimum night-time temperature in September in Poros16
    16°C min night temperature
  • 12 hours of daylight per day in September in Poros12
    12 hours of daylight per day
  • Moderate heat & humidity in September in PorosM
    Moderate heat & humidity
  • 41 mm monthly rainfall in September in Poros41
    41 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Poros7
    7 (High) UV index
  • 25°C sea temperature in September in Poros25
    25°C sea temperature

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

Daytime temperatures usually reach 26°C in Poros in September with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Poros in September?

There are normally 9 hours of bright sunshine each day in Poros in September - that's 76% of daylight hours.

How warm is the sea around Poros in September?

The average sea temperature around Poros in September is 25°C.

Does it rain in Poros in September?

There are usually 4 days with some rain in Poros in September and the average monthly rainfall is 41mm.

Poros September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:07 19:06
Monday, 15th September 2025 06:19 18:45
Tuesday, 30th September 2025 06:32 18:21

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