September weather forecastDevay, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Devay, France, with an average temperature ranging between max 21.5°C (70.7°F) and min 10.6°C (51.1°F).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 25.6°C (78.1°F) in August to a pleasant 21.5°C (70.7°F). Devay anticipates an average minimum temperature of 10.6°C (51.1°F) in the month of September.Humidity
The average relative humidity in September in Devay is 75%.Rainfall
February and September are months with the least rain when the rain falls for 10.8 days and typically aggregates up to 26mm (1.02") of rain.Snowfall
In Devay, snow does not fall in April through September.Daylight
The average length of the day in September in Devay is 12h and 33min.On the first day of September in Devay, France, sunrise is at 07:06 and sunset at 20:25. On the last day of the month, sunrise is at 07:43 and sunset at 19:27 CEST.
Sunshine
The average sunshine in September in Devay, France, is 8h.UV index
In September, the average daily maximum UV index in Devay is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Devay, France
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 10.6°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (0.1°C).
Average pressure in September
Devay, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in September
Devay, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Devay, France
- Average humidity in September: 75%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Devay, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (53mm).
The driest months (with the least rainfall) are February and September (26mm).
Average rainfall days in September
Devay, France
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in September
Devay, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Devay, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Devay, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Devay, France
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in September
Devay, 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
Devay, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Devay, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August and September (9km).
The months with the lowest visibility are January, May, June, October, November and December (8km).





