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
Weather in September
Temperature
The transition to September results in a modest reduction in average high-temperature, moving from an agreeable 22.9°C (73.2°F) in August to a comfortable 19.3°C (66.7°F). During September, Landen witnesses a consistent average low-temperature of 10.5°C (50.9°F).Humidity
In Landen, the average relative humidity in September is 79%.Rainfall
In Landen, in September, during 13.4 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Landen, during the entire year, the rain falls for 195.8 days and collects up to 520mm (20.47") of precipitation.Snowfall
In Landen, snow does not fall in April through October.Daylight
In Landen, the average length of the day in September is 12h and 37min.On the first day of September in Landen, sunrise is at 06:54 and sunset at 20:24. On the last day of the month, sunrise is at 07:39 and sunset at 19:19 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
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 average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What are the temperatures in Landen in September?
What is the average humidity in September in Landen?
How many days does it rain in September in Landen?
When it does not snow in Landen?
What is the average length of the day in September in Landen?
When are sunrise and sunset in September in Landen?
How long on average sun shines in September in Landen?
What is the UV index intensity in September in Landen?
Average temperature in September
Landen, Belgium
- Average high temperature in September: 19.3°C
The warmest months (with the highest average high temperature) are July and August (22.9°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (0.7°C).
Average pressure in September
Landen, 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
Landen, Belgium
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Landen, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Landen, Belgium
- Average rainfall in September: 29mm
The wettest months (with the highest rainfall) are June and December (56mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Landen, Belgium
- Average rainfall days in September: 13.4 days
The months with the highest number of rainy days are May and June (19.1 days).
The month with the least rainy days is September (13.4 days).
Average snowfall in September
Landen, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (46mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Landen, Belgium
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Landen, 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 0min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Landen, Belgium
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Landen, 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
Landen, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Landen, Belgium
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
Landen, Belgium
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