September weather forecastBrain-sur-Longuenée, France
September
Weather in September
September, the first month of the autumn in Brain-sur-Longuenée, is still a pleasant month, with an average temperature varying between 11.5°C (52.7°F) and 21.9°C (71.4°F).Temperature
Brain-sur-Longuenée indicates an average high-temperature of an agreeable 21.9°C (71.4°F) in September, showing minor variation from August's 24.8°C (76.6°F). Brain-sur-Longuenée usually reports an average low-temperature of 11.5°C (52.7°F) during the month of September.Humidity
In September, the average relative humidity in Brain-sur-Longuenée is 74%.Rainfall
In Brain-sur-Longuenée, during September, the rain falls for 8.2 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, there are 143.3 rainfall days, and 350mm (13.78") of precipitation is accumulated.Snowfall
In Brain-sur-Longuenée, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 07:22 and sunset at 20:43. On the last day of September, in Brain-sur-Longuenée, sunrise is at 08:01 and sunset at 19:44 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Brain-sur-Longuenée, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brain-sur-Longuenée, France
- Average high temperature in September: 21.9°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in September
Brain-sur-Longuenée, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Brain-sur-Longuenée, France
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Brain-sur-Longuenée, France
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Brain-sur-Longuenée, France
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in September
Brain-sur-Longuenée, France
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in September
Brain-sur-Longuenée, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Brain-sur-Longuenée, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Brain-sur-Longuenée, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 18min).
Average sunshine days in September
Brain-sur-Longuenée, France
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in September
Brain-sur-Longuenée, France
- Average UV index in September: 4
The months with the highest UV index are May, 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
Brain-sur-Longuenée, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Brain-sur-Longuenée, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





