September weather forecastCluis, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Cluis, France, with an average temperature fluctuating between 11.4°C (52.5°F) and 21.5°C (70.7°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 25.3°C (77.5°F) in August to a pleasant 21.5°C (70.7°F). The mean low-temperature during September nights is a fresh 11.4°C (52.5°F).Humidity
In Cluis, the average relative humidity in September is 73%.Rainfall
The month with the least rainfall in Cluis is September, when the rain falls for 11.2 days and typically collects 29mm (1.14") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 07:13 and sunset at 20:31. On the last day of the month, sunrise is at 07:50 and sunset at 19:34 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In Cluis, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cluis, France
- Average high temperature in September: 21.5°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 (6.8°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in September
Cluis, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in September
Cluis, France
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is February (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Cluis, France
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Cluis, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days in September
Cluis, France
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Cluis, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Cluis, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cluis, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Cluis, 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 June (7.8 days).
Average UV index in September
Cluis, 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
Cluis, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Cluis, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (9km).
The months with the lowest visibility are May and June (8km).





