September weather forecastSault-Brénaz, France
September
Weather in September
September, the first month of the autumn in Sault-Brénaz, is still a pleasant month, with temperature in the range of an average low of 10°C (50°F) and an average high of 20.3°C (68.5°F).Temperature
September heralds a minor drop in average high-temperature, sliding from August's warm 24.8°C (76.6°F) to an agreeable 20.3°C (68.5°F). In the month of September, an average of 10°C (50°F) marks the low-temperature in Sault-Brénaz.Humidity
In September, the average relative humidity is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 65mm (2.56") of precipitation.Snowfall
In Sault-Brénaz, snow does not fall in April through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:59 and sunset at 20:16. On the last day of September, in Sault-Brénaz, sunrise is at 07:36 and sunset at 19:20 CEST.
Sunshine
In Sault-Brénaz, the average sunshine in September is 8.2h.UV index
In Sault-Brénaz, France, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sault-Brénaz, France
- Average high temperature in September: 20.3°C
The warmest months (with the highest average high temperature) are July and August (24.8°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 10°C
The months with the highest average low temperature are July and August (13.4°C).
The coldest months (with the lowest average low temperature) are January and February (-0.9°C).
Average pressure in September
Sault-Brénaz, 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 April (1015.4mbar).
Average wind speed in September
Sault-Brénaz, France
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (10.6km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Sault-Brénaz, France
- Average humidity in September: 81%
The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Sault-Brénaz, France
- Average rainfall in September: 65mm
The wettest months (with the highest rainfall) are May and December (112mm).
The driest month (with the least rainfall) is September (65mm).
Average rainfall days in September
Sault-Brénaz, France
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in September
Sault-Brénaz, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Sault-Brénaz, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are April, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sault-Brénaz, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in September
Sault-Brénaz, France
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in September
Sault-Brénaz, France
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sault-Brénaz, France
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Sault-Brénaz, France
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).





