September weather forecastWanne, Belgium
September
Weather in September
September, the first month of the autumn in Wanne, is still a refreshing month, with an average temperature varying between 8.7°C (47.7°F) and 17.2°C (63°F).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to an enjoyable 17.2°C (63°F) from August's pleasant 20.7°C (69.3°F). In the month of September, Wanne's average low-temperature falls to a chilly 8.7°C (47.7°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Wanne, during September, the rain falls for 12.8 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, in Wanne, there are 169.9 rainfall days, and 593mm (23.35") of precipitation is accumulated.Snowfall
In Wanne, 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 06:51 and sunset at 20:20. On the last day of September, sunrise is at 07:35 and sunset at 19:16 CEST.
Sunshine
In Wanne, the average sunshine in September is 7.2h.UV index
In Wanne, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during September translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wanne, Belgium
- Average high temperature in September: 17.2°C
The warmest months (with the highest average high temperature) are July and August (20.7°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 8.7°C
The months with the highest average low temperature are July and August (11.5°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Wanne, Belgium
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Wanne, Belgium
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Wanne, Belgium
- Average humidity in September: 84%
The months with the highest relative humidity are January and December (91%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Wanne, Belgium
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Wanne, Belgium
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Wanne, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Wanne, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wanne, 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 12min
The months with the most sunshine are July and August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Wanne, Belgium
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in September
Wanne, Belgium
- Average UV index in September: 3
The month with the highest UV index is 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
Wanne, Belgium
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 46).
Average visibility in September
Wanne, Belgium
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (8km).
