September weather forecastGurtnellen, Switzerland
September weather for Gurtnellen, Switzerland: In Gurtnellen, during September, snow falls for 3.3 days and regularly aggregates up to 111mm (4.37") of snow. On the first day of September in Gurtnellen, Switzerland, sunrise is at 06:45 and sunset at 20:04.
September
Weather in September
September, the first month of the autumn in Gurtnellen, is also a fresh month, with an average temperature varying between 4°C (39.2°F) and 12.4°C (54.3°F).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a refreshing 16.3°C (61.3°F) in August to a cool 12.4°C (54.3°F). Gurtnellen, during the nights of September, experiences an average temperature drop to a cold 4°C (39.2°F).Humidity
The average relative humidity in September in Gurtnellen, Switzerland, is 84%.Rainfall
In September, in Gurtnellen, the rain falls for 19.1 days. Throughout September, 89mm (3.5") of precipitation is accumulated. Throughout the year, there are 172.4 rainfall days, and 1583mm (62.32") of precipitation is accumulated.Snowfall
Months with snowfall in Gurtnellen are January through December. In September, it is snowing for 3.3 days. Throughout September, 111mm (4.37") of snow is accumulated. Throughout the year, in Gurtnellen, there are 158.4 snowfall days, and 6664mm (262.36") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 33min.On the first day of September, sunrise is at 06:45 and sunset at 20:04. On the last day of the month, sunrise is at 07:23 and sunset at 19:07 CEST.
Sunshine
In Gurtnellen, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Gurtnellen is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 2 during September translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gurtnellen, Switzerland
- Average high temperature in September: 12.4°C
The warmest months (with the highest average high temperature) are July and August (16.3°C).
The month with the lowest average high temperature is January (-3.3°C).
- Average low temperature in September: 4°C
The month with the highest average low temperature is July (6.6°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure in September
Gurtnellen, Switzerland
- Average pressure in September: 1018.3mbar
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
Gurtnellen, Switzerland
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is December (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Gurtnellen, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is March (93%).
The months with the lowest relative humidity are July and August (82%).
Average rainfall in September
Gurtnellen, Switzerland
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is August (201mm).
The driest month (with the least rainfall) is February (78mm).
Average rainfall days in September
Gurtnellen, Switzerland
- Average rainfall days in September: 19.1 days
The month with the highest number of rainy days is July (27.1 days).
The month with the least rainy days is December (4.2 days).
Average snowfall in September
Gurtnellen, Switzerland
- Average snowfall in September: 111mm
The month with the highest snowfall is December (1086mm).
The month with the least snowfall is July (23mm).
Average snowfall days in September
Gurtnellen, Switzerland
- Average snowfall days in September: 3.3 days
The month with the highest number of snowfall days is March (23.1 days).
The month with the least snowfall days is July (0.8 days).
Average daylight in September /
Average sunshine in September
Gurtnellen, 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 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Gurtnellen, Switzerland
- Average sunshine days in September: 7.1 days
The month with the most sunshine days is October (12.5 days).
The month with the least sunshine days is June (2.4 days).
Average UV index in September
Gurtnellen, 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 and November (UV index 1).
Average cloud cover in September
Gurtnellen, Switzerland
- Average cloud cover in September: 46
The months with the most cloud cover are February, March and May (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in September
Gurtnellen, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July and August (8km).
The month with the lowest visibility is January (5km).
