Poros weather in September 2025

Expect 79°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Poros in September. Check more long-term weather averages for Poros in September before you book your next holiday to Kefalonia in 2025/2026.

  • 79°F maximum daytime temperature in September in Poros79
    79°F max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in September in Poros4
    4 days with some rainfall
  • 61°F minimum night-time temperature in September in Poros61
    61°F 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
  • 1.6 inches monthly rainfall in September in Poros1.6
    1.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Poros7
    7 (High) UV index
  • 77°F sea temperature in September in Poros77
    77°F 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)  |  Imperial (°F)

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How hot is it in Poros in September?

Daytime temperatures usually reach 79°F in Poros in September with moderate heat and humidity, falling to 61°F 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 77°F.

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 1.6 inches.

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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