September weather forecast and climate
Ajaccio, France

Average temperature in September - Ajaccio, France
  • Average high temperature in September: 25.9°C

The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (13.7°C).

  • Average low temperature in September: 15.1°C

The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).

Average humidity in September - Ajaccio, France
  • Average humidity in September: 78%

The month with the highest relative humidity is December (82%).
Months with the lowest relative humidity are July and August (76%).

Average rainfall in September - Ajaccio, France
  • Average rainfall in September: 51.5mm

The wettest month (with the highest rainfall) is November (103.9mm).
The driest month (with the lowest rainfall) is July (6.7mm).

Average rainfall days in September - Ajaccio, France
  • Average rainfall days in September: 5 days

The month with the highest number of rainy days is November (9 days).
The month with the lowest number of rainy days is July (1 days).

Average snowfall days in September - Ajaccio, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.8 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in September - Ajaccio, France
  • Average sea temperature in September: 22.9°C

The best month for swimming (with the highest average sea temperature) is August (23.8°C).
The coldest month (with the lowest average sea temperature) is February (13.3°C).

Average daylight in September / Average sunshine in September - Ajaccio, France
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.6h

The month with most sunshine is July (Average sunshine: 11.9h).
The month with least sunshine is December (Average sunshine: 3.7h).

Average UV index in September - Ajaccio, France
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 1).

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