September weather forecastSool, Switzerland
September
Weather in September
The first month of the autumn, September, is still a mild month in Sool, Switzerland, with temperature in the range of an average low of 4.5°C (40.1°F) and an average high of 14.2°C (57.6°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from an enjoyable 18°C (64.4°F) to a moderate 14.2°C (57.6°F). Sool observes an average low-temperature of 4.5°C (40.1°F) during September nights.Humidity
In September, the average relative humidity in Sool is 84%.Rainfall
In Sool, in September, during 16.1 rainfall days, 104mm (4.09") of precipitation is typically accumulated. In Sool, during the entire year, the rain falls for 142.8 days and collects up to 1680mm (66.14") of precipitation.Snowfall
January through December are months with snowfall. In Sool, Switzerland, in September, during 3.7 snowfall days, 116mm (4.57") of snow is typically accumulated. Throughout the year, there are 135.1 snowfall days, and 6644mm (261.57") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September in Sool, sunrise is at 06:43 and sunset at 20:03. On the last day of the month, sunrise is at 07:21 and sunset at 19:05 CEST.
Sunshine
In Sool, the average sunshine in September is 7.5h.UV index
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 average person.Note: The maximum UV index of 3 during September translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sool, Switzerland
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is August (18°C).
The months with the lowest average high temperature are January and February (-1.4°C).
- Average low temperature in September: 4.5°C
The month with the highest average low temperature is August (7.8°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in September
Sool, Switzerland
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Sool, Switzerland
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is December (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity in September
Sool, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is July (81%).
Average rainfall in September
Sool, Switzerland
- Average rainfall in September: 104mm
The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is February (90mm).
Average rainfall days in September
Sool, Switzerland
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in September
Sool, Switzerland
- Average snowfall in September: 116mm
The month with the highest snowfall is December (1197mm).
The month with the least snowfall is July (6mm).
Average snowfall days in September
Sool, Switzerland
- Average snowfall days in September: 3.7 days
The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is July (0.3 days).
Average daylight in September /
Average sunshine in September
Sool, 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: 7h and 30min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Sool, Switzerland
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (4.9 days).
Average UV index in September
Sool, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Sool, Switzerland
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in September
Sool, Switzerland
- Average visibility in September: 7km
The month with the highest visibility is July (8km).
The months with the lowest visibility are January, February and March (6km).
