September weather forecastHerent, Belgium
September
Weather in September
September, the first month of the autumn in Herent, is still a comfortable month, with an average temperature varying between 11.1°C (52°F) and 19.6°C (67.3°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 23.1°C (73.6°F) in August to a comfortable 19.6°C (67.3°F). In September, in Herent, Belgium, the average low-temperature is a fresh 11.1°C (52°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Herent, in September, during 9.2 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, there are 162.7 rainfall days, and 395mm (15.55") of precipitation is accumulated.Snowfall
In Herent, snow does not fall in April through October.Daylight
In September, the average length of the day in Herent is 12h and 38min.On the first day of the month, sunrise is at 06:55 and sunset at 20:26. On the last day of September, in Herent, sunrise is at 07:40 and sunset at 19:21 CEST.
Sunshine
In Herent, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Herent is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Herent, Belgium
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (23.2°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 (1°C).
Average pressure in September
Herent, 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 (1012.5mbar).
Average wind speed in September
Herent, Belgium
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Herent, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Herent, Belgium
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Herent, Belgium
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is September (9.2 days).
Average snowfall in September
Herent, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Herent, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 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
Herent, 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 month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Herent, Belgium
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in September
Herent, 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
Herent, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Herent, Belgium
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
