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 sees a slight reduction in average high-temperature, with a shift from a pleasant 21.5°C (70.7°F) in August to an enjoyable 18.1°C (64.6°F). Throughout September nights, Sloten registers an average low-temperature of 11.4°C (52.5°F).Humidity
In September, the average relative humidity in Sloten is 82%.Rainfall
In Sloten, in September, it is raining for 18.2 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, there are 189 rainfall days, and 503mm (19.8") of precipitation is accumulated.Snowfall
In Sloten, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September in Sloten, sunrise is at 06:48 and sunset at 20:25. On the last day of the month, sunrise is at 07:38 and sunset at 19:16 CEST.
Sunshine
In Sloten, the average sunshine in September is 7h.UV index
In Sloten, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What are the temperatures in Sloten in September?
What is the average humidity in September in Sloten?
How many days does it rain in September in Sloten?
When it does not snow in Sloten?
What is the average length of the day in September in Sloten?
When are sunrise and sunset in September in Sloten?
How long on average sun shines in September in Sloten?
What is the UV index reading in September in Sloten?
Average temperature in September
Sloten, Netherlands
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (21.5°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11.4°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 (1°C).
Average pressure in September
Sloten, Netherlands
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Sloten, Netherlands
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is August (13.3km/h).
Average humidity in September
Sloten, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Sloten, Netherlands
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Sloten, Netherlands
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is August (20.2 days).
The months with the least rainy days are February and April (11.4 days).
Average snowfall in September
Sloten, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sloten, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
Sloten, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Sloten, Netherlands
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is August (8 days).
Average UV index in September
Sloten, 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
Sloten, Netherlands
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 42).
Average visibility in September
Sloten, 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).
Sloten, Netherlands
Weather forecast for your location
2. Allow the app to use your location
