September weather forecastSourniac, France
September
Weather in September
September, the first month of the autumn in Sourniac, is also an agreeable month, with an average temperature varying between 20.3°C (68.5°F) and 8.9°C (48°F).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a warm 24.7°C (76.5°F) in August to a pleasant 20.3°C (68.5°F). In the month of September, Sourniac experiences an average low-temperature of 8.9°C (48°F).Humidity
The average relative humidity in September in Sourniac is 75%.Rainfall
In Sourniac, in September, it is raining for 10.6 days, with typically 33mm (1.3") of accumulated precipitation. In Sourniac, during the entire year, the rain falls for 151.5 days and collects up to 556mm (21.89") of precipitation.Snowfall
In Sourniac, snow does not fall in June through September.Daylight
The average length of the day in September in Sourniac is 12h and 32min.On the first day of the month, sunrise is at 07:12 and sunset at 20:28. On the last day of September, in Sourniac, sunrise is at 07:48 and sunset at 19:32 CEST.
Sunshine
In Sourniac, France, the average sunshine in September is 8.2h.UV index
In Sourniac, 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 rays for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sourniac, France
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (24.7°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 July (11.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Sourniac, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Sourniac, France
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is March (9.7km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).
Average humidity in September
Sourniac, France
- Average humidity in September: 75%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Sourniac, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is August (32mm).
Average rainfall days in September
Sourniac, France
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Sourniac, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sourniac, 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 June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sourniac, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 18min).
Average sunshine days in September
Sourniac, France
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Sourniac, 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
Sourniac, France
- Average cloud cover in September: 37
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Sourniac, France
- Average visibility in September: 8km
The months with the highest visibility are March, June, July, August and September (8km).
The months with the lowest visibility are January, February, April, May, October, November and December (7km).





