September weather forecastLes Chéris, France
September
Weather in September
September, the first month of the autumn in Les Chéris, is still a refreshing month, with an average temperature fluctuating between 19.2°C (66.6°F) and 13°C (55.4°F).Temperature
During September, the average high-temperature is a comfortable 19.2°C (66.6°F), maintaining a close resemblance to that of the preceding month. September witnesses an average nighttime temperature of 13°C (55.4°F).Humidity
With an average relative humidity of 78%, September is the least humid month in Les Chéris, France.Rainfall
July and September are months with the least rain when the rain falls for 11.4 days and typically aggregates up to 21mm (0.83") of rain.Snowfall
In Les Chéris, France, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September, sunrise is at 07:22 and sunset at 20:46. On the last day of the month, sunrise is at 08:03 and sunset at 19:45 CEST.
Sunshine
The average sunshine in September is 7.5h.UV index
In Les Chéris, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be vigilant - Preventing sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Les Chéris, France
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (20.3°C).
The months with the lowest average high temperature are January and February (8.7°C).
- Average low temperature in September: 13°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 (4.8°C).
Average pressure in September
Les Chéris, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Les Chéris, France
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (24.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in September
Les Chéris, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Les Chéris, France
- Average rainfall in September: 21mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest months (with the least rainfall) are July and September (21mm).
Average rainfall days in September
Les Chéris, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is November (19.3 days).
The month with the least rainy days is July (10.8 days).
Average snowfall in September
Les Chéris, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Les Chéris, 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
Les Chéris, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Les Chéris, France
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is July (17.5 days).
The month with the least sunshine days is November (8.2 days).
Average UV index in September
Les Chéris, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Les Chéris, France
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and September (Cloud cover 38).
Average visibility in September
Les Chéris, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January and November (9km).





