Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September's onset introduces a mild reduction in the average high-temperature, from a warm 26.3°C (79.3°F) in August to a pleasant 22.5°C (72.5°F). Ajaccio's temperature tends to fall to an average low of 16.5°C (61.7°F) during the nights of September.Humidity
In Ajaccio, the average relative humidity in September is 72%.Rainfall
In Ajaccio, during September, the rain falls for 11.6 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 148.4 rainfall days, and 611mm (24.06") of precipitation is accumulated.Snowfall
In Ajaccio, France, snow does not fall in January, March through December.Sea temperature
In Ajaccio, France, the average seawater temperature in September is 22.9°C (73.2°F).Note: For someone not comfortable with cold, swimming in 22.9°C (73.2°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.
Daylight
In September, the average length of the day in Ajaccio is 12h and 29min.On the first day of the month, sunrise is at 06:51 and sunset at 19:58. On the last day of September, sunrise is at 07:21 and sunset at 19:08 CEST.
Sunshine
The average sunshine in September in Ajaccio is 10.2h.UV index
The average daily maximum UV index in September in Ajaccio, France, is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be on guard! The reflective nature of sand and water boosts UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ajaccio in September?
What is the average humidity in September in Ajaccio?
How much does it rain in Ajaccio in September?
When it does not snow in Ajaccio?
What is the sea temperature in September in Ajaccio?
How many hours of daylight does Ajaccio have in September?
What time are sunrise and sunset in September in Ajaccio?
How many hours of sunshine does Ajaccio have in September?
What is the UV index reading in September in Ajaccio?
Average temperature in September
Ajaccio, France
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The months with the lowest average high temperature are January and February (10.3°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is August (18.9°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).
Average pressure in September
Ajaccio, France
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Ajaccio, France
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is January (12.4km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Ajaccio, France
- Average humidity in September: 72%
The months with the highest relative humidity are January and November (78%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Ajaccio, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (101mm).
The driest month (with the least rainfall) is August (25mm).
Average rainfall days in September
Ajaccio, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is November (16.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in September
Ajaccio, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ajaccio, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (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: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Ajaccio, France
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is November (12.2 days).
Average UV index in September
Ajaccio, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Ajaccio, France
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Ajaccio, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Ajaccio, France
Weather forecast for your location
2. Allow the app to use your location