September weather forecastCellule, France
September
Weather in September
September, the first month of the autumn in Cellule, is still a pleasant month, with an average temperature varying between 8.9°C (48°F) and 20.1°C (68.2°F).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 24.3°C (75.7°F) in August to a pleasant 20.1°C (68.2°F). September brings with it a nighttime average temperature of 8.9°C (48°F).Humidity
In September, the average relative humidity in Cellule is 77%.Rainfall
September is the month with the least rainfall in Cellule, France. Rain falls for 12.3 days and accumulates 25mm (0.98") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 07:08 and sunset at 20:25. On the last day of the month, sunrise is at 07:45 and sunset at 19:29 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In Cellule, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cellule, France
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is February (-1.2°C).
Average pressure in September
Cellule, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Cellule, France
- Average wind speed in September: 7.9km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Cellule, France
- Average humidity in September: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Cellule, France
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Cellule, France
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is October (11.2 days).
Average snowfall in September
Cellule, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Cellule, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cellule, 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 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Cellule, France
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is May (8 days).
Average UV index in September
Cellule, 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
Cellule, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Cellule, France
- Average visibility in September: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).
