September weather forecastMontegnée, Belgium
September
Weather in September
September, the first month of the autumn in Montegnée, is also an enjoyable month, with an average temperature fluctuating between 10°C (50°F) and 18.8°C (65.8°F).Temperature
The advent of September brings a slight shift in average high-temperature, moving from a pleasant 22.6°C (72.7°F) in August to a comfortable 18.8°C (65.8°F). Montegnée registers a consistent average low-temperature of 10°C (50°F) during September.Humidity
The average relative humidity in September is 80%.Rainfall
In Montegnée, in September, it is raining for 12.2 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Montegnée, Belgium, there are 177.5 rainfall days, and 489mm (19.25") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Montegnée.Daylight
In Montegnée, the average length of the day in September is 12h and 37min.On the first day of September in Montegnée, sunrise is at 06:52 and sunset at 20:22. On the last day of the month, sunrise is at 07:37 and sunset at 19:18 CEST.
Sunshine
In September, the average sunshine in Montegnée is 7.8h.UV index
In Montegnée, 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 the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Montegnée, Belgium
- Average high temperature in September: 18.8°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 10°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (0°C).
Average pressure in September
Montegnée, Belgium
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Montegnée, Belgium
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Montegnée, Belgium
- Average humidity in September: 80%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in September
Montegnée, Belgium
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Montegnée, Belgium
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Montegnée, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Montegnée, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 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
Montegnée, 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 6min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Montegnée, Belgium
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is December (10.6 days).
Average UV index in September
Montegnée, 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
Montegnée, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Montegnée, 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).





