September weather forecastSercy, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Sercy, France, with an average temperature ranging between max 20.4°C (68.7°F) and min 10.1°C (50.2°F).Temperature
Sercy in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 24.6°C (76.3°F) to an agreeable 20.4°C (68.7°F). Throughout the month of September, Sercy witnesses an average low-temperature of 10.1°C (50.2°F).Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 31mm (1.22") of precipitation.Snowfall
In Sercy, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 07:01 and sunset at 20:20. On the last day of September, in Sercy, France, sunrise is at 07:39 and sunset at 19:22 CEST.
Sunshine
The average sunshine in September in Sercy, France, is 8.1h.UV index
In September, the average daily maximum UV index in Sercy is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sercy, France
- Average high temperature in September: 20.4°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-0.2°C).
Average pressure in September
Sercy, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Sercy, France
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (12.5km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Sercy, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Sercy, France
- Average rainfall in September: 31mm
The wettest months (with the highest rainfall) are May and June (68mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in September
Sercy, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (12 days).
Average snowfall in September
Sercy, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (47mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sercy, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 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
Sercy, 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 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Sercy, France
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Sercy, 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, October, November and December (UV index 2).
Average cloud cover in September
Sercy, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Sercy, France
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The month with the lowest visibility is November (7km).





