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
September is characterized by a slight reduction in average high-temperature, easing from a pleasant 22.3°C (72.1°F) in August to a refreshing 18.5°C (65.3°F). Throughout September, the temperature in Saint-Léger falls to an average low of 9.3°C (48.7°F).Humidity
In September, the average relative humidity in Saint-Léger, Belgium, is 81%.Rainfall
In Saint-Léger, in September, during 12.5 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Saint-Léger, during the entire year, the rain falls for 179.3 days and collects up to 612mm (24.09") of precipitation.Snowfall
In Saint-Léger, snow does not fall in May through October.Daylight
In Saint-Léger, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:53 and sunset at 20:20. On the last day of September, sunrise is at 07:36 and sunset at 19:17 CEST.
Sunshine
In Saint-Léger, Belgium, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint-Léger?
What is the average humidity in September in Saint-Léger?
How much does it rain in Saint-Léger in September?
When it does not snow in Saint-Léger?
What is the average length of the day in September in Saint-Léger?
When is the sunrise / sunset in September in Saint-Léger?
How long on average sun shines in September in Saint-Léger?
What is the UV index intensity in September in Saint-Léger?
Average temperature in September
Saint-Léger, Belgium
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.3°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Saint-Léger, Belgium
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Saint-Léger, Belgium
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Saint-Léger, Belgium
- Average humidity in September: 81%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Saint-Léger, Belgium
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Saint-Léger, Belgium
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Saint-Léger, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Saint-Léger, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Saint-Léger, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Saint-Léger, Belgium
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is September (15.2 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in September
Saint-Léger, Belgium
- Average UV index in September: 3
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
Saint-Léger, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Saint-Léger, Belgium
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).
