Rethymnon weather in September 2025

Expect daytime maximum temperatures of 81°F in Rethymnon, Crete in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 81°F maximum daytime temperature in September in Rethymnon81
    81°F max day temperature
  • 10 hours of sunshine per day
  • 1 day with some rainfall in September in Rethymnon1
    1 day with some rainfall
  • 66°F minimum night-time temperature in September in Rethymnon66
    66°F min night temperature
  • 12 hours of daylight per day in September in Rethymnon12
    12 hours of daylight per day
  • Low heat & humidity in September in RethymnonL
    Low heat & humidity
  • 0.7 inches monthly rainfall in September in Rethymnon0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Rethymnon7
    7 (High) UV index
  • 77°F sea temperature in September in Rethymnon77
    77°F sea temperature

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The September weather guide for Crete (Rethymnon) 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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More about Crete

How hot is it in Rethymnon in September?

Daytime temperatures usually reach 81°F in Rethymnon in September with low heat and humidity, falling to 66°F at night.

How sunny is it in Rethymnon in September?

There are normally 10 hours of bright sunshine each day in Rethymnon in September - that's 77% of daylight hours.

How warm is the sea around Rethymnon in September?

The average sea temperature around Rethymnon in September is 77°F.

Does it ever rain in Rethymnon in September?

There is usually 1 day with some rain in Rethymnon in September and the average monthly rainfall is 0.7 inches.

Rethymnon September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:55 18:49
Monday, 15th September 2025 06:05 18:29
Tuesday, 30th September 2025 06:16 18:07

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