Santorini weather in September 2023
Expect 25°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Santorini in September. Check more long-term weather averages for Santorini in September before you book your next holiday to Santorini in 2023/2024.
- 2525°C max day temperature
- 11 day with some rainfall
- 2020°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 1313 mm of monthly rainfall
- 77 (High) UV index
- 2424°C sea temperature
The September weather guide for Santorini (Thira) 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 Santorini destinations
Below are average maximum temperatures at popular destinations in Santorini in September. Select a destination to see more weather parameters.
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Santorini by month
Metric (°C / mm) | Imperial (°F / inches)
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How hot is it in Santorini in September?
Daytime temperatures usually reach 25°C in Thira, Santorini in September with low heat and humidity, falling to 20°C at night.
How sunny is it in Santorini in September?
There are normally 10 hours of bright sunshine each day in Thira, Santorini in September - that's 83% of daylight hours.
How warm is the sea around Santorini in September?
The average sea temperature around Thira, Santorini in September is 24°C.
Does it ever rain in Santorini in September?
There is usually 1 day with some rain in Thira, Santorini in September and the average monthly rainfall is 13mm.
Santorini September sunrise & sunset times
Browse the sunrise and sunset times for Santorini in September 2023. Select a month to view Santorini sunrise and sunset times for the next 12 months. The Santorini sunrise and sunset times shown below are for Thira.
|Date||Sunrise times||Sunset times|
|Friday, 1st September 2023||06:49||19:47|
|Friday, 15th September 2023||07:00||19:26|
|Saturday, 30th September 2023||07:12||19:04|
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