September weather forecastOverslag, Belgium
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Overslag, Belgium, with an average temperature ranging between min 11.7°C (53.1°F) and max 19.6°C (67.3°F).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a pleasant 22.9°C (73.2°F) in August to a comfortable 19.6°C (67.3°F). Throughout the September nights, Overslag encounters a low-temperature of 11.7°C (53.1°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Overslag, during the entire year, the rain falls for 180.8 days and collects up to 459mm (18.07") of precipitation.Snowfall
In Overslag, Belgium, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of September in Overslag, sunrise is at 06:58 and sunset at 20:30. On the last day of the month, sunrise is at 07:44 and sunset at 19:24 CEST.
Sunshine
In Overslag, the average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index in Overslag, Belgium, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Overslag, Belgium
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in September: 11.7°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 (1.6°C).
Average pressure in September
Overslag, Belgium
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Overslag, Belgium
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in September
Overslag, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Overslag, Belgium
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (48mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Overslag, Belgium
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in September
Overslag, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Overslag, Belgium
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.3 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
Overslag, Belgium
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Overslag, Belgium
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Overslag, Belgium
- 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
Overslag, Belgium
- Average cloud cover in September: 44
The months with the most cloud cover are January and December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Overslag, Belgium
- 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).





