September weather forecastChallement, France
September
Weather in September
September, the first month of the autumn in Challement, is also an agreeable month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 21.3°C (70.3°F).Temperature
As August makes way for September, Challement's average high-temperature eases from a moderately hot 25.3°C (77.5°F) to a pleasant 21.3°C (70.3°F). Challement, during the month of September, experiences an average low-temperature of 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall in Challement. Rain falls for 7.1 days and accumulates 10mm (0.39") of precipitation.Snowfall
In Challement, snow does not fall in April through September.Daylight
In Challement, France, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 07:05 and sunset at 20:25. On the last day of September, in Challement, sunrise is at 07:43 and sunset at 19:27 CEST.
Sunshine
In September, the average sunshine in Challement is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Challement, France
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in September
Challement, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Challement, France
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Challement, France
- Average humidity in September: 75%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Challement, France
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is December (28mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Challement, France
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is September (7.1 days).
Average snowfall in September
Challement, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Challement, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Challement, 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 54min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Challement, France
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in September
Challement, 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
Challement, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Challement, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August and September (9km).
The months with the lowest visibility are January, May, June, October, November and December (8km).





