September weather forecastBourlon, Belgium
September
Weather in September
September, the first month of the autumn in Bourlon, is also an enjoyable month, with an average temperature ranging between min 10.8°C (51.4°F) and max 19.7°C (67.5°F).Temperature
The average high-temperature shows a slight dip in September, from August's moderately hot 23°C (73.4°F) to a comfortable 19.7°C (67.5°F). During September, Bourlon witnesses a consistent average low-temperature of 10.8°C (51.4°F).Humidity
In Bourlon, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 9.3 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Bourlon, during the entire year, the rain falls for 169.2 days and collects up to 445mm (17.52") of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Bourlon, Belgium, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:59 and sunset at 20:29. On the last day of the month, sunrise is at 07:43 and sunset at 19:24 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Bourlon, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bourlon, Belgium
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (5.3°C).
- Average low temperature in September: 10.8°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 (1°C).
Average pressure in September
Bourlon, 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 (1012.5mbar).
Average wind speed in September
Bourlon, Belgium
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Bourlon, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Bourlon, Belgium
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is July (21mm).
Average rainfall days in September
Bourlon, Belgium
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is December (17.4 days).
The month with the least rainy days is September (9.3 days).
Average snowfall in September
Bourlon, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Bourlon, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.7 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
Bourlon, 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 24min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Bourlon, Belgium
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Bourlon, 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, November and December (UV index 2).
Average cloud cover in September
Bourlon, Belgium
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Bourlon, Belgium
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
