September weather forecastBlausee, Switzerland
September
Weather in September
September, the first month of the autumn in Blausee, is still a cool month, with an average temperature fluctuating between 12.9°C (55.2°F) and 3.6°C (38.5°F).Temperature
September brings a minor shift in the average high-temperature, adjusting from a refreshing 16.9°C (62.4°F) in August to a fresh 12.9°C (55.2°F). In Blausee, the expected average low-temperature for September is a wintry 3.6°C (38.5°F).Humidity
In Blausee, Switzerland, the average relative humidity in September is 82%.Rainfall
The month with the least rainfall in Blausee is September, when the rain falls for 17.6 days and typically collects 74mm (2.91") of precipitation.Snowfall
Months with snowfall are January through December. In September, in Blausee, it is snowing for 2.6 days. Throughout September, 54mm (2.13") of snow is accumulated. Throughout the year, there are 127.3 snowfall days, and 5589mm (220.04") of snow is accumulated.Daylight
In Blausee, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 06:50 and sunset at 20:08. On the last day of the month, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In Blausee, Switzerland, the average sunshine in September is 7.9h.UV index
In Blausee, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blausee, Switzerland
- Average high temperature in September: 12.9°C
The warmest month (with the highest average high temperature) is August (16.9°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 3.6°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).
Average pressure in September
Blausee, Switzerland
- Average pressure in September: 1018.4mbar
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
Blausee, Switzerland
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in September
Blausee, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (92%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Blausee, Switzerland
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is May (193mm).
The driest month (with the least rainfall) is September (74mm).
Average rainfall days in September
Blausee, Switzerland
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is December (4.1 days).
Average snowfall in September
Blausee, Switzerland
- Average snowfall in September: 54mm
The month with the highest snowfall is December (1065mm).
The month with the least snowfall is July (7mm).
Average snowfall days in September
Blausee, Switzerland
- Average snowfall days in September: 2.6 days
The month with the highest number of snowfall days is March (20.3 days).
The month with the least snowfall days is August (0.4 days).
Average daylight in September /
Average sunshine in September
Blausee, Switzerland
- Average daylight in September: 12h and 30min
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 42min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Blausee, Switzerland
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is October (14.8 days).
The months with the least sunshine days are May and June (3.2 days).
Average UV index in September
Blausee, 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, February and December (UV index 1).
Average cloud cover in September
Blausee, Switzerland
- Average cloud cover in September: 43
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 40).
Average visibility in September
Blausee, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
