September weather forecastGullegem, Belgium
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Gullegem, Belgium, with an average temperature ranging between max 19.9°C (67.8°F) and min 11.8°C (53.2°F).Temperature
The arrival of September corresponds with a light shift in temperature, down from a warm 23.1°C (73.6°F) in August to an enjoyable 19.9°C (67.8°F). The nights of September anticipate an average low-temperature of 11.8°C (53.2°F).Humidity
In September, the average relative humidity is 77%.Rainfall
In September, the rain falls for 5.9 days. Throughout September, 8mm (0.31") of precipitation is accumulated. In Gullegem, during the entire year, the rain falls for 91.4 days and collects up to 116mm (4.57") of precipitation.Snowfall
March through November are months without snowfall in Gullegem, Belgium.Daylight
In Gullegem, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 07:01 and sunset at 20:32. On the last day of September, sunrise is at 07:46 and sunset at 19:27 CEST.
Sunshine
In Gullegem, Belgium, the average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gullegem, Belgium
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Gullegem, 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 (1012.1mbar).
Average wind speed in September
Gullegem, Belgium
- Average wind speed in September: 12.4km/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 (12km/h).
Average humidity in September
Gullegem, Belgium
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Gullegem, Belgium
- Average rainfall in September: 8mm
The wettest months (with the highest rainfall) are June and December (13mm).
The driest month (with the least rainfall) is April (7mm).
Average rainfall days in September
Gullegem, Belgium
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is June (9.3 days).
The month with the least rainy days is September (5.9 days).
Average snowfall in September
Gullegem, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Gullegem, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gullegem, Belgium
- Average daylight in September: 12h and 36min
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 12min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Gullegem, Belgium
- Average sunshine days in September: 22.2 days
The months with the most sunshine days are September and October (22.2 days).
The month with the least sunshine days is June (16.3 days).
Average UV index in September
Gullegem, 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
Gullegem, Belgium
- Average cloud cover in September: 43
The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Gullegem, 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).





