Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 24.8°C (76.6°F) in August to an agreeable 21.1°C (70°F). During September, Lion-en-Sullias witnesses a consistent average low-temperature of 11.7°C (53.1°F).Humidity
In September, the average relative humidity in Lion-en-Sullias, France, is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.5 days and typically collects 21mm (0.83") of precipitation.Snowfall
In Lion-en-Sullias, France, snow does not fall in April through October.Daylight
In Lion-en-Sullias, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 07:09 and sunset at 20:30. On the last day of the month, sunrise is at 07:48 and sunset at 19:31 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In September, the average daily maximum UV index in Lion-en-Sullias, France, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the temperatures in Lion-en-Sullias in September?
What is the average humidity in September in Lion-en-Sullias?
What is the driest month in Lion-en-Sullias?
How much does it rain in Lion-en-Sullias in September?
When it does not snow in Lion-en-Sullias?
How many hours of daylight does Lion-en-Sullias have in September?
When is the sunrise / sunset in September in Lion-en-Sullias?
How many hours of sunshine does Lion-en-Sullias have in September?
How high is the UV index in September in Lion-en-Sullias?
Average temperature in September
Lion-en-Sullias, France
- Average high temperature in September: 21.1°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Lion-en-Sullias, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in September
Lion-en-Sullias, France
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (16km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Lion-en-Sullias, France
- Average humidity in September: 73%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Lion-en-Sullias, France
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is September (21mm).
Average rainfall days in September
Lion-en-Sullias, France
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in September
Lion-en-Sullias, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lion-en-Sullias, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Lion-en-Sullias, France
- Average daylight in September: 12h and 4min
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 30min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Lion-en-Sullias, France
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is September (17.7 days).
The month with the least sunshine days is December (11.3 days).
Average UV index in September
Lion-en-Sullias, 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
Lion-en-Sullias, France
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 36).
Average visibility in September
Lion-en-Sullias, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January and November (8km).
Lion-en-Sullias, France
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