September weather forecastLeisele, Belgium
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Leisele, Belgium, with an average temperature varying between 19.1°C (66.4°F) and 13.2°C (55.8°F).Temperature
With September's arrival, Leisele's weather records an average high-temperature of a refreshing 19.1°C (66.4°F), marking little difference from August's 21.8°C (71.2°F). Leisele experiences an average low-temperature reading of 13.2°C (55.8°F) throughout September.Humidity
In Leisele, the average relative humidity in September is 76%.Rainfall
In Leisele, in September, during 13.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 183 rainfall days, and 487mm (19.17") of precipitation is accumulated.Snowfall
In Leisele, snow does not fall in April through October.Daylight
In Leisele, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 07:03 and sunset at 20:34. On the last day of September, sunrise is at 07:49 and sunset at 19:29 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leisele, Belgium
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Leisele, Belgium
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Leisele, Belgium
- Average wind speed in September: 16.3km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).
Average humidity in September
Leisele, Belgium
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Leisele, Belgium
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Leisele, Belgium
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is November (17.1 days).
The month with the least rainy days is April (12.8 days).
Average snowfall in September
Leisele, Belgium
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Leisele, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.7 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
Leisele, 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 June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 0min).
Average sunshine days in September
Leisele, Belgium
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.5 days).
The month with the least sunshine days is November (10 days).
Average UV index in September
Leisele, 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
Leisele, Belgium
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in September
Leisele, Belgium
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).
