September weather forecastSûre, Belgium
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sûre, Belgium, with an average temperature ranging between min 8.2°C (46.8°F) and max 17°C (62.6°F).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from an agreeable 20.6°C (69.1°F) in August to a comfortable 17°C (62.6°F). Nighttime temperatures in September average to a chilly 8.2°C (46.8°F).Humidity
In September, the average relative humidity is 85%.Rainfall
In Sûre, during September, the rain falls for 13.2 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, there are 173 rainfall days, and 654mm (25.75") of precipitation is accumulated.Snowfall
In Sûre, Belgium, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:53 and sunset at 20:21. On the last day of September, sunrise is at 07:36 and sunset at 19:17 CEST.
Sunshine
In Sûre, the average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sûre, Belgium
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).
Average pressure in September
Sûre, 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 (1013.5mbar).
Average wind speed in September
Sûre, Belgium
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is February (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Sûre, Belgium
- Average humidity in September: 85%
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Sûre, Belgium
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Sûre, Belgium
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Sûre, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (146mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sûre, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sûre, Belgium
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Sûre, Belgium
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is December (8.3 days).
Average UV index in September
Sûre, Belgium
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Sûre, Belgium
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in September
Sûre, Belgium
- Average visibility in September: 7km
The months with the highest visibility are February, March, April, May, June, July and August (8km).
The months with the lowest visibility are January, September, October, November and December (7km).
