September weather forecastThieu, Belgium
September
Weather in September
September, the first month of the autumn in Thieu, is still a refreshing month, with an average temperature varying between 19.3°C (66.7°F) and 10.4°C (50.7°F).Temperature
September brings a slight decrease in temperature, down from a pleasant 22.5°C (72.5°F) in August to a comfortable 19.3°C (66.7°F). The nights of September in Thieu anticipate an average low-temperature of 10.4°C (50.7°F).Humidity
In Thieu, Belgium, the average relative humidity in September is 80%.Rainfall
In Thieu, in September, during 11.1 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Thieu, there are 172.2 rainfall days, and 475mm (18.7") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:58 and sunset at 20:28. On the last day of September, sunrise is at 07:43 and sunset at 19:23 CEST.
Sunshine
The average sunshine in September in Thieu is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Thieu, Belgium
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (0.7°C).
Average pressure in September
Thieu, Belgium
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).
Average wind speed in September
Thieu, Belgium
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Thieu, Belgium
- Average humidity in September: 80%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in September
Thieu, Belgium
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days in September
Thieu, Belgium
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in September
Thieu, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Thieu, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Thieu, 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 24min
The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Thieu, Belgium
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in September
Thieu, Belgium
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Thieu, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Thieu, Belgium
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
