September weather forecastDormelles, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Dormelles, France, with an average temperature fluctuating between 21.2°C (70.2°F) and 11.9°C (53.4°F).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 24.8°C (76.6°F) in August to an agreeable 21.2°C (70.2°F). During the month of September, Dormelles experiences a steady low-temperature average of 11.9°C (53.4°F).Humidity
In Dormelles, France, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 31mm (1.22") of precipitation.Snowfall
In Dormelles, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 35min.On the first day of September in Dormelles, France, sunrise is at 07:06 and sunset at 20:29. On the last day of the month, sunrise is at 07:47 and sunset at 19:29 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In September, the average daily maximum UV index in Dormelles, France, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dormelles, France
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Dormelles, France
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Dormelles, France
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Dormelles, 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
Dormelles, France
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is June (64mm).
The driest month (with the least rainfall) is September (31mm).
Average rainfall days in September
Dormelles, France
- Average rainfall days in September: 12.2 days
The months with the highest number of rainy days are May and June (18.7 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in September
Dormelles, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dormelles, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Dormelles, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Dormelles, France
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in September
Dormelles, 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
Dormelles, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in September
Dormelles, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
