Chios weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Chios in September. Check more long-term weather averages for Chios in September before you book your next holiday to Greece in 2025/2026.

  • 25°C maximum daytime temperature in September in Chios25
    25°C max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in September in Chios4
    4 days with some rainfall
  • 16°C minimum night-time temperature in September in Chios16
    16°C min night temperature
  • 12 hours of daylight per day in September in Chios12
    12 hours of daylight per day
  • Low heat & humidity in September in ChiosL
    Low heat & humidity
  • 17 mm monthly rainfall in September in Chios17
    17 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Chios7
    7 (High) UV index
  • 22°C sea temperature in September in Chios22
    22°C sea temperature

More about Chios

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The September weather guide for Greece (Chios) 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 Greece

How hot is it in Chios in September?

Daytime temperatures usually reach 25°C in Chios in September with low heat and humidity, falling to 16°C at night.

How sunny is it in Chios in September?

There are normally 11 hours of bright sunshine each day in Chios in September - that's 85% of daylight hours.

How warm is the sea around Chios in September?

The average sea temperature around Chios in September is 22°C.

Does it rain in Chios in September?

There are usually 4 days with some rain in Chios in September and the average monthly rainfall is 17mm.

Chios September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:45 18:45
Monday, 15th September 2025 05:57 18:23
Tuesday, 30th September 2025 06:10 18:00

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