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
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a pleasant 22.3°C (72.1°F) in August to an enjoyable 18.9°C (66°F). An average temperature of 11.8°C (53.2°F) is recorded during the nights in September.Humidity
In Slikkerveer, the average relative humidity in September is 80%.Rainfall
In September, in Slikkerveer, the rain falls for 16.6 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 201.9 rainfall days, and 550mm (21.65") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Slikkerveer.Daylight
In Slikkerveer, the average length of the day in September is 12h and 39min.On the first day of September in Slikkerveer, sunrise is at 06:54 and sunset at 20:28. On the last day of the month, sunrise is at 07:41 and sunset at 19:21 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Slikkerveer?
What is the average humidity in September in Slikkerveer?
How much does it rain in Slikkerveer in September?
When it does not snow in Slikkerveer?
What is the average length of the day in September in Slikkerveer?
When are sunrise and sunset in September in Slikkerveer?
How long on average sun shines in September in Slikkerveer?
What is the UV index reading in September in Slikkerveer?
Average temperature in September
Slikkerveer, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in September
Slikkerveer, Netherlands
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Slikkerveer, Netherlands
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).
Average humidity in September
Slikkerveer, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Slikkerveer, Netherlands
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is August (60mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Slikkerveer, Netherlands
- Average rainfall days in September: 16.6 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (13.4 days).
Average snowfall in September
Slikkerveer, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Slikkerveer, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Slikkerveer, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Slikkerveer, Netherlands
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (7.7 days).
Average UV index in September
Slikkerveer, 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
Slikkerveer, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Slikkerveer, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Slikkerveer, Netherlands
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