September weather forecastLes Rairies, France
September
Weather in September
September, the first month of the autumn in Les Rairies, is also an agreeable month, with an average temperature varying between 21.9°C (71.4°F) and 11.5°C (52.7°F).Temperature
The advent of September signifies a minor shift to an average high-temperature of a pleasant 21.9°C (71.4°F), aligning closely with August. In the month of September, the average temperature in Les Rairies dips to a cool 11.5°C (52.7°F) during the night.Humidity
In September, the average relative humidity in Les Rairies is 74%.Rainfall
In Les Rairies, France, in September, it is raining for 8.2 days, with typically 19mm (0.75") of accumulated precipitation. Throughout the year, there are 143.3 rainfall days, and 350mm (13.78") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Les Rairies, France, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 07:20 and sunset at 20:41. On the last day of September, in Les Rairies, sunrise is at 07:59 and sunset at 19:42 CEST.
Sunshine
In Les Rairies, France, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. 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
Les Rairies, France
- Average high temperature in September: 21.9°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 (8°C).
- Average low temperature in September: 11.5°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 (2.1°C).
Average pressure in September
Les Rairies, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Les Rairies, France
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Les Rairies, France
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Les Rairies, France
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in September
Les Rairies, France
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in September
Les Rairies, 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
Les Rairies, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Les Rairies, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 18min).
Average sunshine days in September
Les Rairies, France
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in September
Les Rairies, France
- Average UV index in September: 4
The months with the highest UV index are May, 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
Les Rairies, France
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Les Rairies, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
