September weather forecastSaint-Laurs, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Saint-Laurs, France, with an average temperature fluctuating between 22.5°C (72.5°F) and 12.3°C (54.1°F).Temperature
September's arrival shows an average high-temperature of an agreeable 22.5°C (72.5°F), hardly different from the previous month. The nighttime temperature, during September, averages of 12.3°C (54.1°F).Humidity
The average relative humidity in September in Saint-Laurs is 71%.Rainfall
In Saint-Laurs, in September, during 8.1 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Saint-Laurs, France, during the entire year, the rain falls for 151 days and collects up to 417mm (16.42") of precipitation.Snowfall
In Saint-Laurs, snow does not fall in April through November.Daylight
In Saint-Laurs, the average length of the day in September is 12h and 33min.On the first day of September in Saint-Laurs, sunrise is at 07:23 and sunset at 20:41. On the last day of the month, sunrise is at 08:00 and sunset at 19:43 CEST.
Sunshine
In Saint-Laurs, the average sunshine in September is 8h.UV index
In Saint-Laurs, the average daily maximum UV index in September 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 ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. To guard against the harmful effects of the Sun, minimize exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Laurs, France
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 12.3°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 (2.3°C).
Average pressure in September
Saint-Laurs, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Saint-Laurs, France
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Saint-Laurs, France
- Average humidity in September: 71%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Saint-Laurs, France
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in September
Saint-Laurs, France
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is September (8.1 days).
Average snowfall in September
Saint-Laurs, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Saint-Laurs, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Saint-Laurs, France
- Average daylight in September: 12h and 30min
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 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in September
Saint-Laurs, France
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Saint-Laurs, 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 December (UV index 2).
Average cloud cover in September
Saint-Laurs, France
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Saint-Laurs, 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).





