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
With the arrival of September, Sombreffe experiences a modest decline in average high-temperatures, transitioning from a pleasant 22.4°C (72.3°F) in August to a refreshing 18.8°C (65.8°F). During September, the average low-temperature is a fresh 10.2°C (50.4°F).Humidity
In September, the average relative humidity is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 28mm (1.1") of precipitation.Snowfall
April through September are months without snowfall in Sombreffe.Daylight
The average length of the day in September is 12h and 37min.On the first day of September in Sombreffe, sunrise is at 06:56 and sunset at 20:26. On the last day of the month, sunrise is at 07:41 and sunset at 19:21 CEST.
Sunshine
In Sombreffe, the average sunshine in September is 7.4h.UV index
In Sombreffe, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sombreffe?
What is the average humidity in September in Sombreffe?
What is the driest month in Sombreffe?
How many days does it rain in September in Sombreffe?
When it does not snow in Sombreffe?
Does it snow in Sombreffe in September?
How many hours of daylight does Sombreffe have in September?
When are sunrise and sunset in September in Sombreffe?
How many hours of sunshine does Sombreffe have in September?
What is the UV index intensity in September in Sombreffe?
Average temperature in September
Sombreffe, Belgium
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Sombreffe, 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
Sombreffe, Belgium
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Sombreffe, Belgium
- Average humidity in September: 80%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Sombreffe, Belgium
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Sombreffe, Belgium
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in September
Sombreffe, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Sombreffe, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sombreffe, 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 2min
The month with the most sunshine is July (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Sombreffe, Belgium
- Average sunshine days in September: 14.2 days
The months with the most sunshine days are March and September (14.2 days).
The month with the least sunshine days is August (10.4 days).
Average UV index in September
Sombreffe, Belgium
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sombreffe, Belgium
- Average cloud cover in September: 45
The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 44).
Average visibility in September
Sombreffe, Belgium
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August and October (9km).
The months with the lowest visibility are January, September, November and December (8km).
