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
A minor decrease in the average high-temperature is observed during September, shifting from an agreeable 22.9°C (73.2°F) in August to an enjoyable 19.3°C (66.7°F). Throughout September, Bommershoven records an average temperature of 10.6°C (51.1°F) at night.Humidity
The average relative humidity in September is 79%.Rainfall
In Bommershoven, in September, it is raining for 12.9 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 177.9 rainfall days, and 469mm (18.46") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Bommershoven is 12h and 37min.On the first day of the month, sunrise is at 06:53 and sunset at 20:23. On the last day of September, in Bommershoven, sunrise is at 07:38 and sunset at 19:18 CEST.
Sunshine
In September, the average sunshine in Bommershoven is 7.8h.UV index
In Bommershoven, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are September temperatures in Bommershoven?
What is the average humidity in September in Bommershoven?
How many days does it rain in September in Bommershoven?
When it does not snow in Bommershoven?
What is the average length of the day in September in Bommershoven?
When is the sunrise / sunset in September in Bommershoven?
How many hours of sunshine does Bommershoven have in September?
What is the UV index reading in September in Bommershoven?
Average temperature in September
Bommershoven, Belgium
- Average high temperature in September: 19.3°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: 10.6°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
Bommershoven, 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 (1012.8mbar).
Average wind speed in September
Bommershoven, Belgium
- Average wind speed in September: 11.5km/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
Bommershoven, 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 and August (75%).
Average rainfall in September
Bommershoven, Belgium
- Average rainfall in September: 31mm
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
Bommershoven, Belgium
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (12.5 days).
Average snowfall in September
Bommershoven, 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
Bommershoven, 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
Bommershoven, 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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Bommershoven, Belgium
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Bommershoven, 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
Bommershoven, 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
Bommershoven, 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).
Bommershoven, Belgium
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