Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 23.3°C (73.9°F) in August to a comfortable 19.8°C (67.6°F). Throughout September, a steady low-temperature average of 11.3°C (52.3°F) is noted.Humidity
The average relative humidity in September is 77%.Rainfall
In Leest, in September, it is raining for 8.2 days, with typically 12mm (0.47") of accumulated precipitation. In Leest, during the entire year, the rain falls for 119.3 days and collects up to 173mm (6.81") of precipitation.Snowfall
In Leest, snow does not fall in April through October.Daylight
In Leest, Belgium, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:56 and sunset at 20:27. On the last day of the month, sunrise is at 07:42 and sunset at 19:22 CEST.
Sunshine
In Leest, Belgium, the average sunshine in September is 7.3h.UV index
In Leest, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Heed the precautions - It is counselled to guard against solar damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Leest in September?
What is the average humidity in September in Leest?
How much does it rain in Leest in September?
When it does not snow in Leest?
How many hours of daylight does Leest have in September?
When is the sunrise / sunset in September in Leest?
How many hours of sunshine does Leest have in September?
How high is the UV index in September in Leest?
Average temperature in September
Leest, Belgium
- Average high temperature in September: 19.8°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 (5.4°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.3°C).
Average pressure in September
Leest, 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 (1012.3mbar).
Average wind speed in September
Leest, Belgium
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Leest, Belgium
- Average humidity in September: 77%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in September
Leest, Belgium
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is June (19mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Leest, Belgium
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Leest, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Leest, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 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
Leest, Belgium
- Average daylight in September: 12h and 4min
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 2min
The months with the most sunshine are June and July (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Leest, Belgium
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in September
Leest, 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
Leest, Belgium
- Average cloud cover in September: 45
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 43).
Average visibility in September
Leest, 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).
