September weather forecastLierneux, Belgium
September weather for Lierneux, Belgium: The first month of the autumn, September, is still a comfortable month in Lierneux, Belgium, with an average temperature ranging between min 8.5°C (47.3°F) and max 17°C (62.6°F). On the first day of September in Lierneux, Belgium, sunrise is at 06:52 and sunset at 20:21.
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Lierneux, Belgium, with an average temperature ranging between min 8.5°C (47.3°F) and max 17°C (62.6°F).Temperature
A modest decline in the average high-temperature is seen during September, decreasing from a pleasant 20.7°C (69.3°F) in August to a refreshing 17°C (62.6°F). Lierneux's nighttime temperature in September drops to an average of 8.5°C (47.3°F).Humidity
In September, the average relative humidity in Lierneux is 84%.Rainfall
In Lierneux, in September, during 12.3 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Lierneux, during the entire year, the rain falls for 169.4 days and collects up to 587mm (23.11") of precipitation.Snowfall
In Lierneux, snow does not fall in June through September.Daylight
The average length of the day in September in Lierneux, Belgium, is 12h and 37min.On the first day of September in Lierneux, Belgium, sunrise is at 06:52 and sunset at 20:21. On the last day of the month, sunrise is at 07:36 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index in Lierneux is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lierneux, Belgium
- Average high temperature in September: 17°C
The warmest months (with the highest average high temperature) are July and August (20.7°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 8.5°C
The months with the highest average low temperature are July and August (11.5°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Lierneux, Belgium
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in September
Lierneux, Belgium
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Lierneux, Belgium
- Average humidity in September: 84%
The months with the highest relative humidity are January and December (91%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Lierneux, Belgium
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Lierneux, Belgium
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Lierneux, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lierneux, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lierneux, Belgium
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 12min
The months with the most sunshine are July and August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Lierneux, Belgium
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in September
Lierneux, Belgium
- Average UV index in September: 3
The month with the highest UV index is 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
Lierneux, Belgium
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 46).
Average visibility in September
Lierneux, Belgium
- Average visibility in September: 8km
The month with the highest visibility is April (9km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (8km).
