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
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 19.5°C (67.1°F). The temperature in Denderleeuw dips to an average of 11.1°C (52°F) during September nights.Humidity
In Denderleeuw, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Denderleeuw, Belgium. Rain falls for 9.6 days and accumulates 16mm (0.63") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 06:58 and sunset at 20:28. On the last day of the month, sunrise is at 07:43 and sunset at 19:23 CEST.
Sunshine
The average sunshine in September is 7.3h.UV index
In Denderleeuw, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. It's recommended to limit sun exposure when its radiation is at its peak during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the temperature in September in Denderleeuw?
What is the average humidity in September in Denderleeuw?
What is the driest month in Denderleeuw?
How many days does it rain in September in Denderleeuw?
When it does not snow in Denderleeuw?
What is the average length of the day in September in Denderleeuw?
When is the sunrise / sunset in September in Denderleeuw?
How long on average sun shines in September in Denderleeuw?
What is the UV index intensity in September in Denderleeuw?
Average temperature in September
Denderleeuw, Belgium
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.5°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 (1.3°C).
Average pressure in September
Denderleeuw, 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 (1012.2mbar).
Average wind speed in September
Denderleeuw, Belgium
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Denderleeuw, 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
Denderleeuw, Belgium
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Denderleeuw, Belgium
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is December (17.9 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Denderleeuw, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Denderleeuw, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 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
Denderleeuw, 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 0min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Denderleeuw, Belgium
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Denderleeuw, 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
Denderleeuw, Belgium
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Denderleeuw, 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).
Denderleeuw, Belgium
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