September weather forecastDiepenbeek, Belgium
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Diepenbeek, Belgium, with an average temperature fluctuating between 19.2°C (66.6°F) and 10.9°C (51.6°F).Temperature
Diepenbeek's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 19.2°C (66.6°F). Nighttime temperature dips to a mean of 10.9°C (51.6°F) during September.Humidity
In Diepenbeek, Belgium, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13.1 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Diepenbeek, during the entire year, the rain falls for 183.6 days and collects up to 475mm (18.7") of precipitation.Snowfall
In Diepenbeek, snow does not fall in April through October.Daylight
The average length of the day in September in Diepenbeek is 12h and 38min.On the first day of the month, sunrise is at 06:52 and sunset at 20:23. On the last day of September, sunrise is at 07:38 and sunset at 19:18 CEST.
Sunshine
The average sunshine in September in Diepenbeek, Belgium, is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Diepenbeek, Belgium
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (23.2°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Diepenbeek, 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 (1012.8mbar).
Average wind speed in September
Diepenbeek, Belgium
- Average wind speed in September: 11.3km/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 (11km/h).
Average humidity in September
Diepenbeek, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Diepenbeek, Belgium
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is December (52mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Diepenbeek, Belgium
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are February and April (12.5 days).
Average snowfall in September
Diepenbeek, Belgium
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Diepenbeek, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 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
Diepenbeek, 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 54min
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 48min).
Average sunshine days in September
Diepenbeek, Belgium
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Diepenbeek, 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
Diepenbeek, 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
Diepenbeek, 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).





