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
In Slenaken, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's pleasant 22.6°C (72.7°F) to a comfortable 18.9°C (66°F). Slenaken, during the month of September, experiences an average low-temperature of 10.6°C (51.1°F).Humidity
In September, the average relative humidity in Slenaken is 79%.Rainfall
In Slenaken, in September, it is raining for 12.6 days, with typically 32mm (1.26") of accumulated precipitation. In Slenaken, Netherlands, during the entire year, the rain falls for 182.9 days and collects up to 486mm (19.13") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Slenaken, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:51 and sunset at 20:21. On the last day of September, sunrise is at 07:36 and sunset at 19:16 CEST.
Sunshine
The average sunshine in September in Slenaken is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Make use of precautions - It is urged to ward off sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the temperature in September in Slenaken?
What is the average humidity in September in Slenaken?
How many days does it rain in September in Slenaken?
When it does not snow in Slenaken?
How many hours of daylight does Slenaken have in September?
When is the sunrise / sunset in September in Slenaken?
How long on average sun shines in September in Slenaken?
What is the UV index reading in September in Slenaken?
Average temperature in September
Slenaken, Netherlands
- Average high temperature in September: 18.9°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).
Average pressure in September
Slenaken, Netherlands
- 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 (1013.1mbar).
Average wind speed in September
Slenaken, Netherlands
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Slenaken, Netherlands
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Slenaken, Netherlands
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Slenaken, Netherlands
- Average rainfall days in September: 12.6 days
The months with the highest number of rainy days are May and July (18 days).
The months with the least rainy days are February, September and October (12.6 days).
Average snowfall in September
Slenaken, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (48mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Slenaken, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 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
Slenaken, Netherlands
- 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 August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Slenaken, Netherlands
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Slenaken, Netherlands
- 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
Slenaken, Netherlands
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Slenaken, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
Slenaken, Netherlands
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