September weather forecastClefmont, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Clefmont, France, with an average temperature ranging between min 9.9°C (49.8°F) and max 19.5°C (67.1°F).Temperature
With the arrival of September, Clefmont experiences a modest decline in average high-temperatures, transitioning from a moderately hot 23.6°C (74.5°F) in August to a refreshing 19.5°C (67.1°F). Clefmont's nighttime temperature in September falls to an average of 9.9°C (49.8°F).Humidity
In September, the average relative humidity in Clefmont is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.7 days and typically collects 38mm (1.5") of precipitation.Snowfall
April through October are months without snowfall in Clefmont.Daylight
In Clefmont, the average length of the day in September is 12h and 34min.On the first day of September in Clefmont, sunrise is at 06:56 and sunset at 20:19. On the last day of the month, sunrise is at 07:36 and sunset at 19:19 CEST.
Sunshine
In Clefmont, the average sunshine in September is 8h.UV index
In Clefmont, 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: In September, a daily maximum UV index of 4 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. 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
Clefmont, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.6°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Clefmont, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in September
Clefmont, France
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in September
Clefmont, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Clefmont, France
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in September
Clefmont, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in September
Clefmont, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Clefmont, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Clefmont, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Clefmont, France
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in September
Clefmont, 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
Clefmont, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Clefmont, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
