Heraklion weather in September 2025

Expect daytime maximum temperatures of 77°F in Heraklion, Crete in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 77°F maximum daytime temperature in September in Heraklion77
    77°F max day temperature
  • 10 hours of sunshine per day
  • 1 day with some rainfall in September in Heraklion1
    1 day with some rainfall
  • 64°F minimum night-time temperature in September in Heraklion64
    64°F min night temperature
  • 12 hours of daylight per day in September in Heraklion12
    12 hours of daylight per day
  • Low heat & humidity in September in HeraklionL
    Low heat & humidity
  • 0.9 inches monthly rainfall in September in Heraklion0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Heraklion8
    8 (Very High) UV index
  • 75°F sea temperature in September in Heraklion75
    75°F sea temperature

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The September weather guide for Crete (Heraklion) 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 Heraklion in September?

Daytime temperatures usually reach 77°F in Heraklion in September with low heat and humidity, falling to 64°F at night.

How sunny is it in Heraklion in September?

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

How warm is the sea around Heraklion in September?

The average sea temperature around Heraklion in September is 75°F.

Does it ever rain in Heraklion in September?

There is usually 1 day with some rain in Heraklion in September and the average monthly rainfall is 0.9 inches.

Heraklion September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:52 18:46
Monday, 15th September 2025 06:02 18:26
Tuesday, 30th September 2025 06:14 18:05

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