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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a pleasant 21.7°C (71.1°F) in August to a refreshing 18°C (64.4°F). In Bomal, the nighttime temperature averages to a frosty 9°C (48.2°F) during September.Humidity
In September, the average relative humidity is 82%.Rainfall
In Bomal, in September, during 13.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. In Bomal, during the entire year, the rain falls for 184.8 days and collects up to 546mm (21.5") of precipitation.Snowfall
June through September are months without snowfall in Bomal.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September in Bomal, sunrise is at 06:53 and sunset at 20:22. On the last day of the month, sunrise is at 07:37 and sunset at 19:18 CEST.
Sunshine
The average sunshine in September in Bomal is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the temperature in September in Bomal?
What is the average humidity in September in Bomal?
How many days does it rain in September in Bomal?
When it does not snow in Bomal?
Does it snow in Bomal in September?
How many hours of daylight does Bomal have in September?
When is the sunrise / sunset in September in Bomal?
How many hours of sunshine does Bomal have in September?
What is the UV index intensity in September in Bomal?
Average temperature in September
Bomal, Belgium
- Average high temperature in September: 18°C
The warmest months (with the highest average high temperature) are July and August (21.7°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Bomal, 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 (1013.2mbar).
Average wind speed in September
Bomal, Belgium
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Bomal, Belgium
- Average humidity in September: 82%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in September
Bomal, Belgium
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Bomal, Belgium
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Bomal, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bomal, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bomal, 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 6min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Bomal, Belgium
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is March (13.7 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in September
Bomal, Belgium
- Average UV index in September: 3
The months with the highest UV index are June and July (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
Bomal, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Bomal, Belgium
- Average visibility in September: 8km
The months with the highest visibility are March and April (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (8km).
Bomal, Belgium
Weather forecast for your location
2. Allow the app to use your location
