September weather forecastLeers, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Leers, France, with an average temperature fluctuating between 19.8°C (67.6°F) and 11.6°C (52.9°F).Temperature
The average high-temperature shows a slight dip in September, from August's moderately hot 23.2°C (73.8°F) to an enjoyable 19.8°C (67.6°F). In Leers, the September nights cool down to an average low of 11.6°C (52.9°F).Humidity
The average relative humidity in September in Leers is 77%.Rainfall
The month with the least rainfall in Leers is September, when the rain falls for 14.3 days and typically collects 28mm (1.1") of precipitation.Snowfall
In Leers, snow does not fall in April through October.Daylight
In Leers, France, the average length of the day in September is 12h and 37min.On the first day of September in Leers, sunrise is at 07:01 and sunset at 20:31. On the last day of the month, sunrise is at 07:46 and sunset at 19:27 CEST.
Sunshine
In September, the average sunshine in Leers, France, is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 4 translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leers, France
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Leers, France
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Leers, France
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).
Average humidity in September
Leers, France
- Average humidity in September: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Leers, France
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Leers, France
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is September (14.3 days).
Average snowfall in September
Leers, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (37mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Leers, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Leers, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in September
Leers, France
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is March (12.8 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in September
Leers, 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
Leers, France
- Average cloud cover in September: 42
The months with the most cloud cover are January and December (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in September
Leers, France
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
