Heraklion weather in September 2026

Q: How hot is it in Heraklion in September?

Daytime temperatures usually reach 25°C in Heraklion in September with low heat and humidity, falling to 18°C at night.

Q: 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.

Q: How warm is the sea around Heraklion in September?

The average sea temperature around Heraklion in September is 24°C.

Q: 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 23mm.

Expect daytime maximum temperatures of 25°C in Heraklion, Crete in September based on long-term weather averages. There are 10 hours of sunshine per day on average.

25
25°C max day temperature
10
10 hours of sunshine per day
1
1 day with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
23
23 mm of monthly rainfall
8
8 (Very High) UV index
24
24°C 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 / mm) | Imperial (°F / inches)

More about Crete

How hot is it in Heraklion in September?

Daytime temperatures usually reach 25°C in Heraklion in September with low heat and humidity, falling to 18°C 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 24°C.

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 23mm.

Heraklion September sunrise & sunset times

Browse the sunrise and sunset times for Heraklion in September 2026. Select a month to view Heraklion sunrise and sunset times for the next 12 months.

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