September weather forecastLiernais, France
September
Weather in September
September, the first month of the autumn in Liernais, is still a pleasant month, with an average temperature fluctuating between 10.5°C (50.9°F) and 20.5°C (68.9°F).Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 24.6°C (76.3°F) in August to an agreeable 20.5°C (68.9°F). An average low-temperature of 10.5°C (50.9°F) is common during the nights of September.Humidity
The average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 26mm (1.02") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September in Liernais, France, sunrise is at 07:02 and sunset at 20:22. On the last day of the month, sunrise is at 07:41 and sunset at 19:24 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Liernais, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 in September translates into these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Liernais, France
- Average high temperature in September: 20.5°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Liernais, France
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Liernais, France
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is February (14.3km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Liernais, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Liernais, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Liernais, France
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in September
Liernais, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Liernais, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.7 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
Liernais, 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 36min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Liernais, France
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Liernais, 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
Liernais, France
- Average cloud cover in September: 34
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Liernais, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June, July, August and September (9km).
The months with the lowest visibility are January, May, October, November and December (8km).
