September weather forecastLégna, France
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Légna, France, with an average temperature varying between 20.5°C (68.9°F) and 10.2°C (50.4°F).Temperature
In the transition to September, Légna observes a minor drop in the average high-temperature, shifting from a warm 25°C (77°F) in August to an agreeable 20.5°C (68.9°F). Légna, during September, witnesses an average low-temperature of 10.2°C (50.4°F).Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 30mm (1.18") of precipitation.Snowfall
In Légna, France, snow does not fall in May through September.Daylight
In September, the average length of the day in Légna is 12h and 33min.On the first day of the month, sunrise is at 06:58 and sunset at 20:16. On the last day of September, sunrise is at 07:35 and sunset at 19:19 CEST.
Sunshine
In Légna, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. 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
Légna, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.2°C
The months with the highest average low temperature are July and August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in September
Légna, France
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Légna, France
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (7.3km/h).
Average humidity in September
Légna, France
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Légna, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Légna, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Légna, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Légna, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Légna, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Légna, France
- Average sunshine days in September: 16 days
The months with the most sunshine days are September and October (16 days).
The month with the least sunshine days is June (10 days).
Average UV index in September
Légna, France
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Légna, France
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Légna, France
- Average visibility in September: 8km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (8km).





