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
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 23°C (73.4°F) in August to a comfortable 19.7°C (67.5°F). In September, Chaussée-Notre-Dame-Louvignies reports a consistent average low-temperature of 10.8°C (51.4°F) during the nights.Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 9.3 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 169.2 rainfall days, and 445mm (17.52") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in September is 12h and 37min.On the first day of September in Chaussée-Notre-Dame-Louvignies, sunrise is at 06:59 and sunset at 20:28. 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 September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct 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
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Chaussée-Notre-Dame-Louvignies have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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 June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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
Chaussée-Notre-Dame-Louvignies, 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).
