September weather forecastDilsen, Belgium
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Dilsen, Belgium, with an average temperature fluctuating between 10.8°C (51.4°F) and 19.2°C (66.6°F).Temperature
Dilsen's progression into September involves a gentle drop in the average high-temperature, from a pleasant 22.9°C (73.2°F) in August to an enjoyable 19.2°C (66.6°F). Throughout the month of September, Dilsen expects an average low of 10.8°C (51.4°F).Humidity
The average relative humidity in September in Dilsen, Belgium, is 79%.Rainfall
In Dilsen, during September, the rain falls for 11.7 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 173.4 rainfall days, and 460mm (18.11") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Dilsen.Daylight
In Dilsen, Belgium, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:51 and sunset at 20:22. On the last day of the month, sunrise is at 07:36 and sunset at 19:17 CEST.
Sunshine
In Dilsen, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September in Dilsen, Belgium, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dilsen, Belgium
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Dilsen, 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 (1012.9mbar).
Average wind speed in September
Dilsen, Belgium
- Average wind speed in September: 11.2km/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 (10.9km/h).
Average humidity in September
Dilsen, 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
Dilsen, Belgium
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are June and December (49mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Dilsen, Belgium
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is September (11.7 days).
Average snowfall in September
Dilsen, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (46mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dilsen, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 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
Dilsen, 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 54min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Dilsen, Belgium
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Dilsen, 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
Dilsen, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Dilsen, 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).





