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 into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from an agreeable 21.9°C (71.4°F) in August to a comfortable 18.9°C (66°F). September nights are marked by an average temperature drop to a cool 12.8°C (55°F).Humidity
In Sluiskil, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall in Sluiskil. Rain falls for 8.3 days and accumulates 9mm (0.35") of precipitation.Snowfall
In Sluiskil, snow does not fall in April through October.Daylight
In Sluiskil, Netherlands, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:58 and sunset at 20:30. On the last day of September, in Sluiskil, sunrise is at 07:44 and sunset at 19:24 CEST.
Sunshine
In Sluiskil, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index in Sluiskil is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sluiskil?
What is the average humidity in September in Sluiskil?
What is the driest month in Sluiskil?
How many days does it rain in September in Sluiskil?
When it does not snow in Sluiskil?
How many hours of daylight does Sluiskil have in September?
When are sunrise and sunset in September in Sluiskil?
How many hours of sunshine does Sluiskil have in September?
What is the UV index reading in September in Sluiskil?
Average temperature in September
Sluiskil, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Sluiskil, Netherlands
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Sluiskil, Netherlands
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in September
Sluiskil, Netherlands
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Sluiskil, Netherlands
- Average rainfall in September: 9mm
The wettest months (with the highest rainfall) are July and December (20mm).
The driest month (with the least rainfall) is September (9mm).
Average rainfall days in September
Sluiskil, Netherlands
- Average rainfall days in September: 8.3 days
The months with the highest number of rainy days are July and December (12.4 days).
The month with the least rainy days is September (8.3 days).
Average snowfall in September
Sluiskil, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sluiskil, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.6 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
Sluiskil, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Sluiskil, Netherlands
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in September
Sluiskil, Netherlands
- 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
Sluiskil, Netherlands
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in September
Sluiskil, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Sluiskil, Netherlands
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