September weather forecastTestelt, Belgium
September
Weather in September
September, the first month of the autumn in Testelt, is still a comfortable month, with an average temperature fluctuating between 11°C (51.8°F) and 19.7°C (67.5°F).Temperature
Testelt experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 23.3°C (73.9°F) in August to an enjoyable 19.7°C (67.5°F). Testelt experiences an average temperature drop to a fresh 11°C (51.8°F) during September nights.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Testelt. Rain falls for 9.9 days and accumulates 20mm (0.79") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Testelt, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:54 and sunset at 20:25. On the last day of the month, sunrise is at 07:39 and sunset at 19:20 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Testelt, Belgium, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Testelt, Belgium
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Testelt, Belgium
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Testelt, Belgium
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Testelt, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Testelt, Belgium
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (57mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Testelt, Belgium
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is December (17.5 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in September
Testelt, 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, September and October (0mm).
Average snowfall days in September
Testelt, Belgium
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Testelt, Belgium
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Testelt, Belgium
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is December (8.8 days).
Average UV index in September
Testelt, Belgium
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Testelt, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Testelt, Belgium
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





