September weather forecastChaunay, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Chaunay, France, with an average temperature fluctuating between 11.8°C (53.2°F) and 22.2°C (72°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 25.4°C (77.7°F) in August to an agreeable 22.2°C (72°F). Chaunay, in September, observes a steady average low-temperature of 11.8°C (53.2°F).Humidity
The average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 8.2 days and accumulates 19mm (0.75") of precipitation.Snowfall
In Chaunay, snow does not fall in April through October.Daylight
In Chaunay, France, the average length of the day in September is 12h and 32min.On the first day of September in Chaunay, sunrise is at 07:20 and sunset at 20:37. On the last day of the month, sunrise is at 07:57 and sunset at 19:41 CEST.
Sunshine
The average sunshine in September in Chaunay is 8.1h.UV index
The average daily maximum UV index in September in Chaunay, France, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chaunay, France
- Average high temperature in September: 22.2°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (7.5°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in September
Chaunay, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1014.3mbar).
Average wind speed in September
Chaunay, France
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Chaunay, France
- Average humidity in September: 72%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Chaunay, France
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in September
Chaunay, France
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in September
Chaunay, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chaunay, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Chaunay, 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 6min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Chaunay, France
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is September (19.7 days).
The month with the least sunshine days is November (11.8 days).
Average UV index in September
Chaunay, 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 and November (UV index 2).
Average cloud cover in September
Chaunay, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in September
Chaunay, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is May (8km).





