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
A minor decrease in the average high-temperature is observed during September, shifting from an agreeable 22.5°C (72.5°F) in August to an enjoyable 19.3°C (66.7°F). September witnesses an average low-temperature hovering around a cool 10.4°C (50.7°F).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 172.2 rainfall days, and 475mm (18.7") of precipitation is accumulated.Snowfall
April through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:57 and sunset at 20:27. On the last day of the month, sunrise is at 07:42 and sunset at 19:22 CEST.
Sunshine
In Leernes, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index in Leernes is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Leernes in September?
How many hours of daylight does Leernes have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Leernes, Belgium
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (0.7°C).
Average pressure in September
Leernes, 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 (1012.7mbar).
Average wind speed in September
Leernes, Belgium
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Leernes, Belgium
- Average humidity in September: 80%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in September
Leernes, Belgium
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is July (27mm).
Average rainfall days in September
Leernes, Belgium
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in September
Leernes, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Leernes, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Leernes, 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 months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Leernes, Belgium
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in September
Leernes, 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
Leernes, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Leernes, Belgium
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
