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
September
Weather in September
Temperature
Witzwil in September experiences a gentle temperature dip, with average high-temperatures reducing from an agreeable 22.3°C (72.1°F) in August to a comfortable 18.1°C (64.6°F). Throughout September nights, Witzwil experiences a consistent temperature average of 8.1°C (46.6°F).Humidity
The average relative humidity in September in Witzwil is 83%.Rainfall
In Witzwil, in September, it is raining for 14.9 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, there are 179.2 rainfall days, and 566mm (22.28") of precipitation is accumulated.Snowfall
In Witzwil, Switzerland, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 34min.On the first day of September in Witzwil, sunrise is at 06:51 and sunset at 20:11. On the last day of the month, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
In Witzwil, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 3 in September leads to these guidelines:
Undertake precautions - Guarding against sun damage is counselled. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Witzwil in September?
What is the average humidity in September in Witzwil?
How many days does it rain in September in Witzwil?
When it does not snow in Witzwil?
Does it snow in Witzwil in September?
What is the average length of the day in September in Witzwil?
When is the sunrise / sunset in September in Witzwil?
How many hours of sunshine does Witzwil have in September?
What is the UV index reading in September in Witzwil?
Average temperature in September
Witzwil, Switzerland
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Witzwil, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Witzwil, Switzerland
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Witzwil, Switzerland
- Average humidity in September: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Witzwil, Switzerland
- Average rainfall in September: 37mm
The wettest months (with the highest rainfall) are June and August (75mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Witzwil, Switzerland
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Witzwil, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (65mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Witzwil, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Witzwil, Switzerland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in September
Witzwil, Switzerland
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Witzwil, Switzerland
- Average UV index in September: 3
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
Witzwil, Switzerland
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Witzwil, Switzerland
- Average visibility in September: 8km
The month with the highest visibility is March (9km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (8km).
