September weather forecastEupen, Belgium
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Eupen, Belgium, with an average temperature ranging between min 9.1°C (48.4°F) and max 17.6°C (63.7°F).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from a pleasant 21.6°C (70.9°F) in August to a refreshing 17.6°C (63.7°F). Throughout September, an average nighttime temperature of 9.1°C (48.4°F) is experienced.Humidity
In Eupen, Belgium, the average relative humidity in September is 83%.Rainfall
In Eupen, in September, during 13.5 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Eupen, Belgium, there are 188.4 rainfall days, and 587mm (23.11") of precipitation is accumulated.Snowfall
In Eupen, snow does not fall in June through September.Daylight
In Eupen, Belgium, the average length of the day in September is 12h and 37min.On the first day of September in Eupen, sunrise is at 06:50 and sunset at 20:20. On the last day of the month, sunrise is at 07:35 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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
Eupen, 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).
