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
Weather in September
Temperature
September brings a minor shift in the average high-temperature, adjusting from a warm 23.1°C (73.6°F) in August to a comfortable 19.4°C (66.9°F). Throughout the month of September, La Hulpe sees a steady low-temperature average of 11.1°C (52°F).Humidity
In La Hulpe, the average relative humidity in September is 79%.Rainfall
The months with the least rainfall are April and September Rain falls for 12.3 days and accumulates 25mm (0.98") of rain.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in September in La Hulpe, Belgium, is 12h and 37min.On the first day of September in La Hulpe, sunrise is at 06:56 and sunset at 20:26. On the last day of the month, sunrise is at 07:41 and sunset at 19:22 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in La Hulpe in September?
What is the average humidity in September in La Hulpe?
What is the driest month in La Hulpe?
How much does it rain in La Hulpe in September?
When it does not snow in La Hulpe?
Does it snow in La Hulpe in September?
What is the average length of the day in September in La Hulpe?
When are sunrise and sunset in September in La Hulpe?
How long on average sun shines in September in La Hulpe?
What is the UV index reading in September in La Hulpe?
Average temperature in September
La Hulpe, Belgium
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
La Hulpe, 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 (1012.5mbar).
Average wind speed in September
La Hulpe, Belgium
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
La Hulpe, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
La Hulpe, Belgium
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is December (54mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in September
La Hulpe, Belgium
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
La Hulpe, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
La Hulpe, 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
La Hulpe, Belgium
- Average daylight in September: 12h and 4min
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 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
La Hulpe, Belgium
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The months with the least sunshine days are February, August and December (10.9 days).
Average UV index in September
La Hulpe, 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
La Hulpe, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April, August and September (Cloud cover 42).
Average visibility in September
La Hulpe, 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).
La Hulpe, Belgium
Weather forecast for your location
2. Allow the app to use your location
