September weather forecastSprimont, Belgium
September
Weather in September
September, the first month of the autumn in Sprimont, is still a comfortable month, with an average temperature varying between 17.8°C (64°F) and 9.3°C (48.7°F).Temperature
September's onset brings a negligible change in high-temperatures, falling from a pleasant 21.6°C (70.9°F) in August to a refreshing 17.8°C (64°F). Throughout September, Sprimont encounters an average temperature drop to a chilly 9.3°C (48.7°F).Humidity
In Sprimont, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Sprimont, during the entire year, the rain falls for 188.8 days and collects up to 593mm (23.35") of precipitation.Snowfall
June through September are months without snowfall in Sprimont, Belgium.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:52 and sunset at 20:21. On the last day of September, in Sprimont, sunrise is at 07:36 and sunset at 19:17 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In Sprimont, Belgium, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sprimont, Belgium
- Average high temperature in September: 17.8°C
The warmest months (with the highest average high temperature) are July and August (21.6°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (12.1°C).
The coldest months (with the lowest average low temperature) are January and February (-0.8°C).
Average pressure in September
Sprimont, Belgium
- 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 (1013.2mbar).
Average wind speed in September
Sprimont, Belgium
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Sprimont, Belgium
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Sprimont, Belgium
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Sprimont, Belgium
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Sprimont, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sprimont, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sprimont, Belgium
- 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 36min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Sprimont, Belgium
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Sprimont, Belgium
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Sprimont, Belgium
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Sprimont, Belgium
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).





