September weather forecastLagnes, France
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Lagnes, France, with an average temperature ranging between max 24.5°C (76.1°F) and min 13.5°C (56.3°F).Temperature
The start of September signals a decrease in the average high-temperature, transitioning from a warm 29.8°C (85.6°F) in August to a still moderately hot 24.5°C (76.1°F). September in Lagnes is noted for a mean low-temperature of 13.5°C (56.3°F).Humidity
In Lagnes, the average relative humidity in September is 66%.Rainfall
In Lagnes, in September, during 8.4 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 120.6 rainfall days, and 504mm (19.84") of precipitation is accumulated.Snowfall
In Lagnes, snow does not fall in April through November.Daylight
In Lagnes, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 07:03 and sunset at 20:15. On the last day of September, in Lagnes, France, sunrise is at 07:36 and sunset at 19:22 CEST.
Sunshine
The average sunshine in September in Lagnes is 9.4h.UV index
In Lagnes, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lagnes, France
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is July (29.9°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is July (16.9°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Lagnes, France
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).
Average wind speed in September
Lagnes, France
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is February (14.2km/h).
The calmest month (with the lowest average wind speed) is September (11.1km/h).
Average humidity in September
Lagnes, France
- Average humidity in September: 66%
The months with the highest relative humidity are November and December (79%).
The months with the lowest relative humidity are July and August (58%).
Average rainfall in September
Lagnes, France
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in September
Lagnes, France
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is November (12.9 days).
The month with the least rainy days is July (7.6 days).
Average snowfall in September
Lagnes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Lagnes, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.6 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
Lagnes, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in September
Lagnes, France
- Average sunshine days in September: 18.7 days
The months with the most sunshine days are July and August (19.8 days).
The month with the least sunshine days is April (14.9 days).
Average UV index in September
Lagnes, France
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Lagnes, France
- Average cloud cover in September: 18
The month with the most cloud cover is November (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
Lagnes, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, May, June, July and August (10km).
The months with the lowest visibility are January, April, September, October, November and December (9km).
