Corsica weather in September 2025

Expect 75°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Corsica in September. Check more long-term weather averages for Corsica in September before you book your next holiday to Corsica in 2025/2026.

  • 75°F maximum daytime temperature in September in Corsica (Ajaccio)75
    75°F max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in September in Corsica (Ajaccio)6
    6 days with some rainfall
  • 59°F minimum night-time temperature in September in Corsica (Ajaccio)59
    59°F min night temperature
  • 12 hours of daylight per day in September in Corsica (Ajaccio)12
    12 hours of daylight per day
  • No heat & humidity in September in Corsica (Ajaccio)0
    No heat & humidity
  • 1.8 inches monthly rainfall in September in Corsica (Ajaccio)1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Corsica (Ajaccio)6
    6 (High) UV index
  • 73°F sea temperature in September in Corsica (Ajaccio)73
    73°F sea temperature

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The September weather guide for Corsica (Ajaccio) 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 Corsica destinations

Below are average maximum temperatures at popular countries, regions and places in Corsica in September. Select a holiday destination to see more weather parameters.

All Corsica destinations

Metric (°C)  |  Imperial (°F)

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More about Corsica

How hot is it in Corsica in September?

Daytime temperatures usually reach 75°F in Ajaccio, Corsica in September, falling to 59°F at night.

How sunny is it in Corsica in September?

There are normally 9 hours of bright sunshine each day in Ajaccio, Corsica in September - that's 68% of daylight hours.

How warm is the sea around Corsica in September?

The average sea temperature around Ajaccio, Corsica in September is 73°F.

Does it rain in Corsica in September?

There are usually 6 days with some rain in Ajaccio, Corsica in September and the average monthly rainfall is 1.8 inches.

Corsica September sunrise & sunset times

Browse the sunrise and sunset times for Corsica in September 2025. Select a month to view Corsica sunrise and sunset times for the next 12 months. The Corsica sunrise and sunset times shown below are for Ajaccio.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:51 18:58
Monday, 15th September 2025 06:05 18:34
Tuesday, 30th September 2025 06:21 18:08

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