September weather forecastSornac, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Sornac, France, with an average temperature fluctuating between 21.7°C (71.1°F) and 9.9°C (49.8°F).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 25.7°C (78.3°F) to a pleasant 21.7°C (71.1°F). Throughout the month of September, the average temperature in Sornac, France, dips to a chilly 9.9°C (49.8°F) at night.Humidity
In Sornac, the average relative humidity in September is 75%.Rainfall
The months with the least rainfall are July and September Rain falls for 11.4 days and accumulates 35mm (1.38") of rain.Snowfall
In Sornac, France, snow does not fall in April, June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 07:13 and sunset at 20:29. On the last day of September, sunrise is at 07:48 and sunset at 19:33 CEST.
Sunshine
In September, the average sunshine in Sornac is 8.3h.UV index
The average daily maximum UV index in September in Sornac is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sornac, France
- Average high temperature in September: 21.7°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Sornac, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Sornac, France
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is February (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Sornac, France
- Average humidity in September: 75%
The months with the highest relative humidity are November and December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Sornac, France
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is November (84mm).
The driest months (with the least rainfall) are July and September (35mm).
Average rainfall days in September
Sornac, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is September (11.4 days).
Average snowfall in September
Sornac, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in September
Sornac, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sornac, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and November (Average sunshine: 4h and 12min).
Average sunshine days in September
Sornac, France
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Sornac, 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
Sornac, France
- Average cloud cover in September: 35
The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Sornac, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August and September (8km).
The months with the lowest visibility are January, February, October, November and December (7km).





