September weather forecastVerviers, Belgium
September
Weather in September
Marking the onset of autumn, September brings a subtle decline in temperatures making the weather agreeable for the residents of Verviers. The distinctive autumnal changes become evident as there are no traces of snowfall throughout this month. Amid the constancy of pleasant weather, the daylight hours start to shrink, reflecting the seasonal transition. Despite the surging rainfall, the radiance of the sun remains abundant. The foliage begins to don vivid hues, adding a distinctive charm to the cityscape.Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from an agreeable 21.6°C (70.9°F) in August to a comfortable 17.6°C (63.7°F). Verviers throughout September, records an average low-temperature of 9.1°C (48.4°F).Humidity
In Verviers, Belgium, the average relative humidity in September is 83%.Rainfall
In Verviers, in September, during 13.5 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Verviers, during the entire year, the rain falls for 188.4 days and collects up to 587mm (23.11") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:51 and sunset at 20:21. On the last day of the month, sunrise is at 07:36 and sunset at 19:16 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Heed the precautions - Suggestions to avoid sunburn are made. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Verviers, Belgium
- Average high temperature in September: 17.6°C
The warmest months (with the highest average high temperature) are July and August (21.6°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is August (12.1°C).
The coldest months (with the lowest average low temperature) are January and February (-0.8°C).
Average pressure in September
Verviers, Belgium
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in September
Verviers, Belgium
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Verviers, Belgium
- Average humidity in September: 83%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Verviers, Belgium
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Verviers, Belgium
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Verviers, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Verviers, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Verviers, 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 6min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Verviers, Belgium
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Verviers, Belgium
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Verviers, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Verviers, Belgium
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are January, February, May, June, July, September, October, November and December (8km).
