September weather forecastBillancelles, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Billancelles, France, with an average temperature fluctuating between 20.7°C (69.3°F) and 11.4°C (52.5°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 24.1°C (75.4°F) in August to an agreeable 20.7°C (69.3°F). September nights are marked by an average temperature drop to a cool 11.4°C (52.5°F).Humidity
In September, the average relative humidity is 73%.Rainfall
September is the month with the least rainfall in Billancelles. Rain falls for 10.1 days and accumulates 16mm (0.63") of precipitation.Snowfall
In Billancelles, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September in Billancelles, sunrise is at 07:13 and sunset at 20:36. On the last day of the month, sunrise is at 07:53 and sunset at 19:36 CEST.
Sunshine
In Billancelles, the average sunshine in September is 7.4h.UV index
In Billancelles, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Billancelles, France
- Average high temperature in September: 20.7°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Billancelles, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Billancelles, France
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Billancelles, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Billancelles, France
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Billancelles, France
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is September (10.1 days).
Average snowfall in September
Billancelles, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Billancelles, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Billancelles, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 24min
The months with the most sunshine are July and August (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Billancelles, France
- Average sunshine days in September: 17.7 days
The months with the most sunshine days are September and October (17.7 days).
The month with the least sunshine days is June (9.4 days).
Average UV index in September
Billancelles, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Billancelles, France
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in September
Billancelles, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, May and June (8km).
