September weather forecastClermont-Dessous, France
September
Weather in September
September, the first month of the autumn in Clermont-Dessous, is still a warm month, with an average temperature ranging between min 13.6°C (56.5°F) and max 24.9°C (76.8°F).Temperature
Clermont-Dessous experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from 28.3°C (82.9°F) in August to a still moderately hot 24.9°C (76.8°F). Clermont-Dessous reports an average nighttime low-temperature of 13.6°C (56.5°F) in September.Humidity
In Clermont-Dessous, France, the average relative humidity in September is 67%.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 20mm (0.79") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Clermont-Dessous, sunrise is at 07:21 and sunset at 20:34. On the last day of the month, sunrise is at 07:55 and sunset at 19:40 CEST.
Sunshine
In Clermont-Dessous, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. 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
Clermont-Dessous, France
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.9°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (16.1°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in September
Clermont-Dessous, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.6mbar).
Average wind speed in September
Clermont-Dessous, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).
Average humidity in September
Clermont-Dessous, France
- Average humidity in September: 67%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Clermont-Dessous, France
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are May and November (59mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Clermont-Dessous, France
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
Clermont-Dessous, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Clermont-Dessous, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Clermont-Dessous, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Clermont-Dessous, France
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Clermont-Dessous, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Clermont-Dessous, France
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Clermont-Dessous, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).





