September weather forecastClamensane, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Clamensane, France, with an average temperature fluctuating between 9.1°C (48.4°F) and 20.8°C (69.4°F).Temperature
Clamensane, France, experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 25.4°C (77.7°F) in August to a pleasant 20.8°C (69.4°F). During the September nights, an average temperature of 9.1°C (48.4°F) is observed.Humidity
In September, the average relative humidity is 69%.Rainfall
In September, the rain falls for 12.4 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 138.5 rainfall days, and 583mm (22.95") of precipitation is accumulated.Snowfall
In Clamensane, snow does not fall in April through September.Daylight
The average length of the day in September in Clamensane, France, is 12h and 31min.On the first day of September, sunrise is at 06:59 and sunset at 20:11. On the last day of the month, sunrise is at 07:32 and sunset at 19:18 CEST.
Sunshine
The average sunshine in September is 9.5h.UV index
In Clamensane, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clamensane, France
- Average high temperature in September: 20.8°C
The warmest months (with the highest average high temperature) are July and August (25.4°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (-3.1°C).
Average pressure in September
Clamensane, France
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is April (1014.3mbar).
Average wind speed in September
Clamensane, France
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is March (9.1km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Clamensane, France
- Average humidity in September: 69%
The months with the highest relative humidity are February and November (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in September
Clamensane, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is January (28mm).
Average rainfall days in September
Clamensane, France
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Clamensane, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (60mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Clamensane, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Clamensane, 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: 9h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Clamensane, France
- Average sunshine days in September: 16.1 days
The months with the most sunshine days are January and December (19.8 days).
The months with the least sunshine days are May and June (12.1 days).
Average UV index in September
Clamensane, France
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Clamensane, France
- Average cloud cover in September: 21
The month with the most cloud cover is November (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Clamensane, France
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).





