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
As September commences, the average high-temperature subtly reduces, transitioning from an agreeable 21.9°C (71.4°F) in August to a comfortable 18.5°C (65.3°F). Witten cools down to an average low-temperature of 10.7°C (51.3°F) throughout the month of September.Humidity
In Witten, the average relative humidity in September is 83%.Rainfall
In Witten, in September, during 11.1 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Witten, there are 176.6 rainfall days, and 457mm (17.99") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Witten, Netherlands, is 12h and 40min.On the first day of the month, sunrise is at 06:45 and sunset at 20:22. On the last day of September, in Witten, sunrise is at 07:34 and sunset at 19:12 CEST.
Sunshine
In Witten, the average sunshine in September is 6.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the average September temperature in Witten?
What is the average humidity in September in Witten?
How many days does it rain in September in Witten?
When it does not snow in Witten?
What is the average length of the day in September in Witten?
When is the sunrise / sunset in September in Witten?
How long on average sun shines in September in Witten?
What is the UV index reading in September in Witten?
Average temperature in September
Witten, Netherlands
- Average high temperature in September: 18.5°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 (4.3°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).
Average pressure in September
Witten, Netherlands
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Witten, Netherlands
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.7km/h).
Average humidity in September
Witten, Netherlands
- Average humidity in September: 83%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Witten, Netherlands
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Witten, Netherlands
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in September
Witten, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Witten, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.5 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
Witten, 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: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Witten, Netherlands
- Average sunshine days in September: 16.7 days
The months with the most sunshine days are September and October (16.7 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Witten, 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
Witten, Netherlands
- Average cloud cover in September: 51
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 44).
Average visibility in September
Witten, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).
Witten, Netherlands
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