September weather forecastAttenhoven, Belgium
September
Weather in September
September, the first month of the autumn in Attenhoven, is also an enjoyable month, with an average temperature varying between 10.5°C (50.9°F) and 19°C (66.2°F).Temperature
September signifies a gentle decline in Attenhoven's average high-temperature, easing from a pleasant 22.9°C (73.2°F) in August to a refreshing 19°C (66.2°F). Nighttime temperatures in September average to a cool 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Attenhoven, during September, the rain falls for 12.5 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, there are 177.5 rainfall days, and 464mm (18.27") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Attenhoven, the average length of the day in September is 12h and 37min.On the first day of September in Attenhoven, sunrise is at 06:54 and sunset at 20:24. On the last day of the month, sunrise is at 07:39 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine is 7.9h.UV index
In Attenhoven, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Attenhoven, Belgium
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).
Average pressure in September
Attenhoven, Belgium
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in September
Attenhoven, Belgium
- Average wind speed in September: 11.4km/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 (11.2km/h).
Average humidity in September
Attenhoven, Belgium
- Average humidity in September: 80%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in September
Attenhoven, Belgium
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Attenhoven, Belgium
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are February and September (12.5 days).
Average snowfall in September
Attenhoven, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Attenhoven, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.2 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
Attenhoven, 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 54min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Attenhoven, Belgium
- Average sunshine days in September: 15.4 days
The months with the most sunshine days are September and October (15.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Attenhoven, 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, March, November and December (UV index 2).
Average cloud cover in September
Attenhoven, Belgium
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Attenhoven, Belgium
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
