September weather forecastExermont, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Exermont, France, with an average temperature ranging between min 9.3°C (48.7°F) and max 18.5°C (65.3°F).Temperature
As September commences, the average high-temperature subtly reduces, transitioning from an agreeable 22.3°C (72.1°F) in August to a refreshing 18.5°C (65.3°F). Throughout September, the temperature in Exermont tends to fall to a consistent average low of 9.3°C (48.7°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Exermont, in September, it is raining for 12.5 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, in Exermont, there are 179.3 rainfall days, and 612mm (24.09") of precipitation is accumulated.Snowfall
In Exermont, snow does not fall in May through October.Daylight
In Exermont, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:56 and sunset at 20:22. On the last day of September, sunrise is at 07:39 and sunset at 19:20 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In Exermont, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Exermont, France
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.3°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Exermont, France
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Exermont, France
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Exermont, France
- Average humidity in September: 81%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Exermont, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Exermont, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Exermont, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Exermont, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Exermont, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Exermont, France
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in September
Exermont, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Exermont, France
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Exermont, France
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).





