Skiathos weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Skiathos in September. Check more long-term weather averages for Skiathos in September before you book your next holiday to Skiathos in 2025/2026.

  • 26°C maximum daytime temperature in September in Skiathos (Skiathos Town)26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 3 days with some rainfall in September in Skiathos (Skiathos Town)3
    3 days with some rainfall
  • 15°C minimum night-time temperature in September in Skiathos (Skiathos Town)15
    15°C min night temperature
  • 12 hours of daylight per day in September in Skiathos (Skiathos Town)12
    12 hours of daylight per day
  • Low heat & humidity in September in Skiathos (Skiathos Town)L
    Low heat & humidity
  • 38 mm monthly rainfall in September in Skiathos (Skiathos Town)38
    38 mm of monthly rainfall
  • UV (maximum) index 6 (High) in September in Skiathos (Skiathos Town)6
    6 (High) UV index
  • 24°C sea temperature in September in Skiathos (Skiathos Town)24
    24°C sea temperature

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The September weather guide for Skiathos (Skiathos Town) 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.

Top Skiathos destinations

Below are average maximum temperatures at popular countries, regions and places in Skiathos in September. Select a holiday destination to see more weather parameters.

All Skiathos destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Skiathos in September?

Daytime temperatures usually reach 26°C in Skiathos Town, Skiathos in September with low heat and humidity, falling to 15°C at night.

How sunny is it in Skiathos in September?

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

How warm is the sea around Skiathos in September?

The average sea temperature around Skiathos Town, Skiathos in September is 24°C.

Does it ever rain in Skiathos in September?

There are usually 3 days with some rain in Skiathos Town, Skiathos in September and the average monthly rainfall is 38mm.

Skiathos September sunrise & sunset times

Browse the sunrise and sunset times for Skiathos in September 2025. Select a month to view Skiathos sunrise and sunset times for the next 12 months. The Skiathos sunrise and sunset times shown below are for Skiathos Town.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:55 18:57
Monday, 15th September 2025 06:07 18:34
Tuesday, 30th September 2025 06:21 18:10

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