Ajaccio weather in September 2025

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

  • 75°F maximum daytime temperature in September in Ajaccio75
    75°F max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in September in Ajaccio6
    6 days with some rainfall
  • 59°F minimum night-time temperature in September in Ajaccio59
    59°F min night temperature
  • 12 hours of daylight per day in September in Ajaccio12
    12 hours of daylight per day
  • No heat & humidity in September in Ajaccio0
    No heat & humidity
  • 1.8 inches monthly rainfall in September in Ajaccio1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Ajaccio6
    6 (High) UV index
  • 73°F sea temperature in September in Ajaccio73
    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.

Metric (°C)  |  Imperial (°F)

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More about Corsica

How hot is it in Ajaccio in September?

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

How sunny is it in Ajaccio in September?

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

How warm is the sea around Ajaccio in September?

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

Does it rain in Ajaccio in September?

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

Ajaccio September sunrise & sunset times

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

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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