September weather forecastSüs, Switzerland
September
Weather in September
The first month of the autumn, September, is still a cool month in Süs, Switzerland, with an average temperature fluctuating between 2.5°C (36.5°F) and 12.4°C (54.3°F).Temperature
Süs's September weather features a light decline in high-temperatures, reducing from a refreshing 16.6°C (61.9°F) in August to a fresh 12.4°C (54.3°F). During September nights, Süs records an average temperature of 2.5°C (36.5°F).Humidity
In Süs, the average relative humidity in September is 82%.Rainfall
In Süs, in September, during 15.2 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Süs, Switzerland, during the entire year, the rain falls for 148.9 days and collects up to 716mm (28.19") of precipitation.Snowfall
January through December are months with snowfall in Süs. In September, it is snowing for 3.7 days. Throughout September, 94mm (3.7") of snow is accumulated. In Süs, Switzerland, during the entire year, snow falls for 134.6 days and aggregates up to 2643mm (104.06") of snow.Daylight
The average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 06:40 and sunset at 19:58. On the last day of the month, sunrise is at 07:17 and sunset at 19:01 CEST.
Sunshine
The average sunshine in September in Süs is 8.8h.UV index
In September, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during September translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Süs, Switzerland
- Average high temperature in September: 12.4°C
The warmest month (with the highest average high temperature) is August (16.6°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in September: 2.5°C
The month with the highest average low temperature is August (5.9°C).
The coldest month (with the lowest average low temperature) is February (-12.1°C).
Average pressure in September
Süs, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Süs, Switzerland
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Süs, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Süs, Switzerland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is August (105mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Süs, Switzerland
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is December (4.2 days).
Average snowfall in September
Süs, Switzerland
- Average snowfall in September: 94mm
The month with the highest snowfall is November (362mm).
The month with the least snowfall is July (10mm).
Average snowfall days in September
Süs, Switzerland
- Average snowfall days in September: 3.7 days
The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is July (0.7 days).
Average daylight in September /
Average sunshine in September
Süs, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Süs, Switzerland
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is October (13.9 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in September
Süs, Switzerland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Süs, Switzerland
- Average cloud cover in September: 43
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Süs, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July and August (8km).
The months with the lowest visibility are January, February, March and April (6km).
