September weather forecastCap-d'Ail, France
September
Weather in September
September, the first month of the autumn in Cap-d'Ail, is still a pleasant month, with temperature in the range of an average low of 16.5°C (61.7°F) and an average high of 21°C (69.8°F).Temperature
The advent of September observes an average high-temperature of an agreeable 21°C (69.8°F), nearly identical to August's 23.9°C (75°F). September's average low-temperature is a comfortable 16.5°C (61.7°F), reflecting a minor difference from the day's peak temperatures.Humidity
In September, the average relative humidity in Cap-d'Ail is 71%.Rainfall
In September, the rain falls for 14.8 days. Throughout September, 52mm (2.05") of precipitation is accumulated. In Cap-d'Ail, during the entire year, the rain falls for 165.2 days and collects up to 774mm (30.47") of precipitation.Snowfall
In Cap-d'Ail, snow does not fall in April through December.Sea temperature
In Cap-d'Ail, the average seawater temperature in September is 22.3°C (72.1°F).Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 22.3°C (72.1°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 06:54 and sunset at 20:05. On the last day of September, in Cap-d'Ail, France, sunrise is at 07:27 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine is 9.7h.UV index
In September, the average daily maximum UV index in Cap-d'Ail is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Attention! The combination of sand and water reflections enhances UV ray intensity.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cap-d'Ail, France
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is February (8.7°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is February (4.6°C).
Average pressure in September
Cap-d'Ail, France
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1013.9mbar).
Average wind speed in September
Cap-d'Ail, France
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is March (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Cap-d'Ail, France
- Average humidity in September: 71%
The month with the highest relative humidity is June (75%).
The months with the lowest relative humidity are January and December (69%).
Average rainfall in September
Cap-d'Ail, France
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is November (123mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in September
Cap-d'Ail, France
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is December (8.9 days).
Average snowfall in September
Cap-d'Ail, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Cap-d'Ail, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in September
Cap-d'Ail, France
- Average sea temperature in September: 22.3°C
The best month for swimming (with the highest average sea temperature) is August (23.7°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).
Average daylight in September /
Average sunshine in September
Cap-d'Ail, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in September
Cap-d'Ail, France
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in September
Cap-d'Ail, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Cap-d'Ail, France
- Average cloud cover in September: 19
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Cap-d'Ail, 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).
