September weather forecastSobrio, Switzerland
September
Weather in September
The first month of the autumn, September, is still a cool month in Sobrio, Switzerland, with an average temperature varying between 2.8°C (37°F) and 11.6°C (52.9°F).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderate 15.8°C (60.4°F) to a fresh 11.6°C (52.9°F). The nighttime temperature in Sobrio, during September, averages of 2.8°C (37°F).Humidity
In September, the average relative humidity is 85%.Rainfall
In September, in Sobrio, the rain falls for 20.9 days. Throughout September, 94mm (3.7") of precipitation is accumulated. In Sobrio, during the entire year, the rain falls for 200.1 days and collects up to 1619mm (63.74") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Sobrio. Throughout September, in the average 0.4 snowfall days, it receives 6mm (0.24") of snow. In Sobrio, during the entire year, snow falls for 114.5 days and aggregates up to 3819mm (150.35") of snow.Daylight
In September, the average length of the day in Sobrio is 12h and 33min.On the first day of September, sunrise is at 06:45 and sunset at 20:03. On the last day of the month, sunrise is at 07:22 and sunset at 19:06 CEST.
Sunshine
In Sobrio, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 2 in September translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sobrio, Switzerland
- Average high temperature in September: 11.6°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in September: 2.8°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is February (-12.7°C).
Average pressure in September
Sobrio, Switzerland
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Sobrio, Switzerland
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is December (10km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Sobrio, Switzerland
- Average humidity in September: 85%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is July (82%).
Average rainfall in September
Sobrio, Switzerland
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is August (205mm).
The driest month (with the least rainfall) is February (71mm).
Average rainfall days in September
Sobrio, Switzerland
- Average rainfall days in September: 20.9 days
The month with the highest number of rainy days is July (27.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Sobrio, Switzerland
- Average snowfall in September: 6mm
The month with the highest snowfall is December (734mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Sobrio, Switzerland
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Sobrio, Switzerland
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Sobrio, Switzerland
- Average sunshine days in September: 6.7 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in September
Sobrio, 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, March, April, November and December (UV index 1).
Average cloud cover in September
Sobrio, Switzerland
- Average cloud cover in September: 56
The months with the most cloud cover are March and April (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 50).
Average visibility in September
Sobrio, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June and July (8km).
The months with the lowest visibility are January, February, March and April (5km).
