September weather forecastLamanon, France
September
Weather in September
September, the first month of the autumn in Lamanon, is still a warm month, with an average temperature varying between 25.1°C (77.2°F) and 15.9°C (60.6°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 29.3°C (84.7°F) in August to a still moderately hot 25.1°C (77.2°F). Lamanon's temperature drops to an average low of 15.9°C (60.6°F) during the nights of September.Humidity
The average relative humidity in September is 63%.Rainfall
In Lamanon, in September, during 6.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Lamanon, France, during the entire year, the rain falls for 104.8 days and collects up to 402mm (15.83") of precipitation.Snowfall
In Lamanon, snow does not fall in April through November.Daylight
In Lamanon, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 07:03 and sunset at 20:15. On the last day of September, sunrise is at 07:36 and sunset at 19:22 CEST.
Sunshine
The average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index in Lamanon is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Adopt protective measures - It is advised to guard against sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lamanon, France
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is January (9.7°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is July (19.4°C).
The coldest month (with the lowest average low temperature) is February (4°C).
Average pressure in September
Lamanon, France
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The months with the lowest atmospheric pressure are April and November (1014.6mbar).
Average wind speed in September
Lamanon, France
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is February (17.9km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).
Average humidity in September
Lamanon, France
- Average humidity in September: 63%
The months with the highest relative humidity are November and December (76%).
The months with the lowest relative humidity are July and August (57%).
Average rainfall in September
Lamanon, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (69mm).
The driest months (with the least rainfall) are July and August (16mm).
Average rainfall days in September
Lamanon, France
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is November (11.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in September
Lamanon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Lamanon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.8 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
Lamanon, 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 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and November (Average sunshine: 6h and 6min).
Average sunshine days in September
Lamanon, France
- Average sunshine days in September: 21.4 days
The months with the most sunshine days are July and August (22.3 days).
The month with the least sunshine days is February (17.2 days).
Average UV index in September
Lamanon, France
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Lamanon, France
- Average cloud cover in September: 17
The month with the most cloud cover is November (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Lamanon, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





