September weather forecastRetournac, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Retournac, France, with temperature in the range of an average low of 7.4°C (45.3°F) and an average high of 18.7°C (65.7°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from a warm 23.3°C (73.9°F) in August to an enjoyable 18.7°C (65.7°F). Retournac observes an average low-temperature of 7.4°C (45.3°F) during September.Humidity
In Retournac, the average relative humidity in September is 78%.Rainfall
In Retournac, France, in September, it is raining for 12.1 days, with typically 29mm (1.14") of accumulated precipitation. In Retournac, during the entire year, the rain falls for 157.7 days and collects up to 526mm (20.71") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Retournac, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 07:06 and sunset at 20:21. On the last day of the month, sunrise is at 07:41 and sunset at 19:26 CEST.
Sunshine
In Retournac, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Retournac is 3. 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: In September, a daily UV index of 3 turns into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Retournac, France
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in September
Retournac, 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 April (1015.4mbar).
Average wind speed in September
Retournac, France
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Retournac, France
- Average humidity in September: 78%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Retournac, France
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in September
Retournac, France
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in September
Retournac, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Retournac, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Retournac, 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 August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Retournac, France
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in September
Retournac, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Retournac, France
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Retournac, France
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (8km).
The months with the lowest visibility are January and November (7km).
