September weather forecastLungern, Switzerland
September
Weather in September
September, the first month of the autumn in Lungern, is also a moderate month, with an average temperature ranging between min 4.1°C (39.4°F) and max 13.1°C (55.6°F).Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from an enjoyable 17.3°C (63.1°F) in August to a moderate 13.1°C (55.6°F). The nights of September anticipate an average low-temperature of 4.1°C (39.4°F).Humidity
In Lungern, the average relative humidity in September is 84%.Rainfall
September is the month with the least rainfall in Lungern. Rain falls for 19 days and accumulates 81mm (3.19") of precipitation.Snowfall
In Lungern, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:47 and sunset at 20:06. On the last day of September, sunrise is at 07:25 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lungern, Switzerland
- Average high temperature in September: 13.1°C
The warmest month (with the highest average high temperature) is August (17.3°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in September: 4.1°C
The month with the highest average low temperature is July (7.6°C).
The coldest month (with the lowest average low temperature) is February (-9.6°C).
Average pressure in September
Lungern, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Lungern, Switzerland
- Average wind speed in September: 5.9km/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 (5.6km/h).
Average humidity in September
Lungern, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in September
Lungern, Switzerland
- Average rainfall in September: 81mm
The wettest month (with the highest rainfall) is June (174mm).
The driest month (with the least rainfall) is September (81mm).
Average rainfall days in September
Lungern, Switzerland
- Average rainfall days in September: 19 days
The month with the highest number of rainy days is July (25.7 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Lungern, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (303mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lungern, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lungern, 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 24min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Lungern, Switzerland
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is June (3.2 days).
Average UV index in September
Lungern, 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, November and December (UV index 1).
Average cloud cover in September
Lungern, Switzerland
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 55).
The months with the least cloud cover are August and October (Cloud cover 40).
Average visibility in September
Lungern, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August, October and November (8km).
The months with the lowest visibility are January and February (6km).





