September weather forecastManthelan, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Manthelan, France, with temperature in the range of an average high of 21.6°C (70.9°F) and an average low of 11.8°C (53.2°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 24.8°C (76.6°F) to a pleasant 21.6°C (70.9°F). The average temperature during September nights in Manthelan is registered at a cool 11.8°C (53.2°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In September, in Manthelan, the rain falls for 10.7 days. Throughout September, 29mm (1.14") of precipitation is accumulated. In Manthelan, during the entire year, the rain falls for 165.9 days and collects up to 493mm (19.41") of precipitation.Snowfall
In Manthelan, snow does not fall in April through October.Daylight
In September, the average length of the day in Manthelan is 12h and 34min.On the first day of the month, sunrise is at 07:16 and sunset at 20:36. On the last day of September, sunrise is at 07:55 and sunset at 19:38 CEST.
Sunshine
In Manthelan, France, the average sunshine in September is 7.9h.UV index
In Manthelan, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Manthelan, France
- Average high temperature in September: 21.6°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 (7°C).
- Average low temperature in September: 11.8°C
The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in September
Manthelan, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Manthelan, France
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is February (17.1km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Manthelan, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Manthelan, France
- Average rainfall in September: 29mm
The wettest months (with the highest rainfall) are May, November and December (55mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in September
Manthelan, France
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are August and September (10.7 days).
Average snowfall in September
Manthelan, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Manthelan, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 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
Manthelan, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Manthelan, France
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Manthelan, 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
Manthelan, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in September
Manthelan, 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).
