September weather forecastLa Gresle, France
September
Weather in September
September, the first month of the autumn in La Gresle, is still a pleasant month, with an average temperature varying between 20.2°C (68.4°F) and 10.1°C (50.2°F).Temperature
September's arrival aligns with a minor decrease in average high-temperatures, from August's moderately hot 24.7°C (76.5°F) to an agreeable 20.2°C (68.4°F). Throughout September, the temperature in La Gresle tends to fall to a consistent average low of 10.1°C (50.2°F).Humidity
In La Gresle, France, the average relative humidity in September is 79%.Rainfall
In September, in La Gresle, France, the rain falls for 13.6 days. Throughout September, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 165.2 rainfall days, and 688mm (27.09") of precipitation is accumulated.Snowfall
In La Gresle, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 07:04 and sunset at 20:21. On the last day of the month, sunrise is at 07:40 and sunset at 19:24 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September in La Gresle is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average 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. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Gresle, France
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (4.5°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
La Gresle, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
La Gresle, France
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is February (11.9km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).
Average humidity in September
La Gresle, France
- Average humidity in September: 79%
The months with the highest relative humidity are November and December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
La Gresle, France
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is June (87mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in September
La Gresle, France
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
La Gresle, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (92mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
La Gresle, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
La Gresle, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
La Gresle, France
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (17.2 days).
The months with the least sunshine days are May and June (8.4 days).
Average UV index in September
La Gresle, 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
La Gresle, France
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
La Gresle, France
- Average visibility in September: 8km
The months with the highest visibility are March and August (9km).
The months with the lowest visibility are January, February, April, May, June, July, September, October, November and December (8km).





