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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 19.8°C (67.6°F). Throughout the month of September, Denderbelle expects an average low of 11.3°C (52.3°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Denderbelle, in September, during 5.3 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Denderbelle, during the entire year, the rain falls for 78.4 days and collects up to 96mm (3.78") of precipitation.Snowfall
March through November are months without snowfall.Daylight
In Denderbelle, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:58 and sunset at 20:28. On the last day of September, sunrise is at 07:43 and sunset at 19:23 CEST.
Sunshine
In Denderbelle, the average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Guard yourself - Avoiding sunburn is suggested. To protect against the Sun's most potent rays, avoid direct exposure around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Denderbelle have in September?
What is the UV index intensity in September?
Average temperature in September
Denderbelle, Belgium
- Average high temperature in September: 19.8°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 (5.6°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in September
Denderbelle, 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 (1012.2mbar).
Average wind speed in September
Denderbelle, Belgium
- Average wind speed in September: 12.1km/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 (11.8km/h).
Average humidity in September
Denderbelle, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Denderbelle, Belgium
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is December (11mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in September
Denderbelle, Belgium
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Denderbelle, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Denderbelle, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Denderbelle, 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 1min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Denderbelle, Belgium
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is October (23.7 days).
The month with the least sunshine days is June (17.7 days).
Average UV index in September
Denderbelle, 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
Denderbelle, Belgium
- Average cloud cover in September: 45
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Denderbelle, 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).
