September weather forecastWattrelos, France
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Wattrelos, France, with an average temperature fluctuating between 20°C (68°F) and 11.8°C (53.2°F).Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a warm 23.2°C (73.8°F) in August to a pleasant 20°C (68°F). An average low-temperature of 11.8°C (53.2°F) is expected in Wattrelos during September.Humidity
In Wattrelos, the average relative humidity in September is 76%.Rainfall
In September, in Wattrelos, the rain falls for 14.5 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Wattrelos, during the entire year, the rain falls for 199.9 days and collects up to 543mm (21.38") of precipitation.Snowfall
April through October are months without snowfall in Wattrelos.Daylight
The average length of the day in September in Wattrelos, France, is 12h and 37min.On the first day of the month, sunrise is at 07:01 and sunset at 20:31. On the last day of September, in Wattrelos, sunrise is at 07:46 and sunset at 19:27 CEST.
Sunshine
In September, the average sunshine in Wattrelos is 7.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wattrelos, France
- Average high temperature in September: 20°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: 11.8°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
Wattrelos, France
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Wattrelos, France
- Average wind speed in September: 12.5km/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
Wattrelos, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Wattrelos, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in September
Wattrelos, France
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is September (14.5 days).
Average snowfall in September
Wattrelos, 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
Wattrelos, 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
Wattrelos, 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 12min
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
Wattrelos, 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
Wattrelos, 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
Wattrelos, 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
Wattrelos, 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).
