September weather forecastCluses, France
September
Weather in September
The first month of the autumn, September, is still a mild month in Cluses, France, with an average temperature ranging between min 4.9°C (40.8°F) and max 14.3°C (57.7°F).Temperature
As August transitions into September, Cluses sees a gentle drop in the average high-temperature, transitioning from an enjoyable 18°C (64.4°F) to a moderate 14.3°C (57.7°F). In Cluses, an average temperature of 4.9°C (40.8°F) is noted during September nights.Humidity
In Cluses, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 19mm (0.75") of precipitation.Snowfall
January through December are months with snowfall in Cluses. In Cluses, in September, snow falls for 2 days, with typically accumulated 8mm (0.31") of snow. Throughout the year, in Cluses, there are 104.2 snowfall days, and 1953mm (76.89") of snow is accumulated.Daylight
In Cluses, the average length of the day in September is 12h and 32min.On the first day of September in Cluses, sunrise is at 06:55 and sunset at 20:12. On the last day of the month, sunrise is at 07:31 and sunset at 19:15 CEST.
Sunshine
In Cluses, France, the average sunshine in September is 8.6h.UV index
In Cluses, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in September translates into these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cluses, France
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is August (18°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 4.9°C
The month with the highest average low temperature is July (7.9°C).
The coldest month (with the lowest average low temperature) is February (-9.6°C).
Average pressure in September
Cluses, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Cluses, France
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is December (8.9km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).
Average humidity in September
Cluses, France
- Average humidity in September: 81%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Cluses, France
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is May (66mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Cluses, France
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is December (4.6 days).
Average snowfall in September
Cluses, France
- Average snowfall in September: 8mm
The month with the highest snowfall is December (492mm).
The month with the least snowfall is July (1mm).
Average snowfall days in September
Cluses, France
- Average snowfall days in September: 2 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are July and August (0.3 days).
Average daylight in September /
Average sunshine in September
Cluses, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Cluses, France
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (7.5 days).
Average UV index in September
Cluses, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Cluses, France
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Cluses, France
- Average visibility in September: 7km
The months with the highest visibility are April, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, May and September (7km).
