September weather forecastHees, Belgium
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Hees, Belgium, with an average temperature varying between 19.3°C (66.7°F) and 11.1°C (52°F).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 23.2°C (73.8°F) in August to a refreshing 19.3°C (66.7°F). Throughout September, an average nighttime temperature of 11.1°C (52°F) is experienced in Hees.Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 191.5 rainfall days, and 537mm (21.14") of precipitation is accumulated.Snowfall
In Hees, snow does not fall in April through October.Daylight
In Hees, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:52 and sunset at 20:22. On the last day of the month, sunrise is at 07:37 and sunset at 19:17 CEST.
Sunshine
In Hees, the average sunshine in September is 7.6h.UV index
In Hees, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Minimize direct exposure to the Sun during midday when its radiation is at its peak. 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
Hees, Belgium
- Average high temperature in September: 19.3°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 (4.9°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (0.9°C).
Average pressure in September
Hees, Belgium
- 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 (1012.8mbar).
Average wind speed in September
Hees, Belgium
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Hees, 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
Hees, Belgium
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Hees, Belgium
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (13.3 days).
Average snowfall in September
Hees, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Hees, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.7 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
Hees, 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 0min).
- Average sunshine in September: 7h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Hees, Belgium
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in September
Hees, 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
Hees, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Hees, Belgium
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).





