September weather forecastKiesen, Switzerland
September
Weather in September
September, the first month of the autumn in Kiesen, is still a refreshing month, with an average temperature ranging between max 15.6°C (60.1°F) and min 5.5°C (41.9°F).Temperature
Kiesen's transition into September involves a gentle shift in temperature, receding from a comfortable 19.9°C (67.8°F) in August to a mild 15.6°C (60.1°F). Throughout September, Kiesen witnesses a nighttime temperature average of 5.5°C (41.9°F).Humidity
In Kiesen, the average relative humidity in September is 82%.Rainfall
The month with the least rainfall in Kiesen is September, when the rain falls for 15.9 days and typically collects 53mm (2.09") of precipitation.Snowfall
In Kiesen, snow does not fall in June through September.Daylight
The average length of the day in September in Kiesen is 12h and 33min.On the first day of the month, sunrise is at 06:50 and sunset at 20:09. On the last day of September, in Kiesen, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
The average sunshine in September in Kiesen is 8.7h.UV index
In Kiesen, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 3 in September translates into this advice:
Make use of precautions - It is urged to ward off sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiesen, Switzerland
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7°C).
Average pressure in September
Kiesen, Switzerland
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Kiesen, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Kiesen, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Kiesen, Switzerland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (53mm).
Average rainfall days in September
Kiesen, Switzerland
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in September
Kiesen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (208mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kiesen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kiesen, Switzerland
- Average daylight in September: 12h and 36min
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: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Kiesen, Switzerland
- Average sunshine days in September: 10.6 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Kiesen, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Kiesen, Switzerland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 35).
Average visibility in September
Kiesen, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).





