September weather forecastGletsch, Switzerland
September
Weather in September
September, the first month of the autumn in Gletsch, is still a cool month, with an average temperature varying between 12.5°C (54.5°F) and 3.5°C (38.3°F).Temperature
September reveals a small adjustment in temperature, transitioning from an average high of an enjoyable 16.3°C (61.3°F) in August to a cool 12.5°C (54.5°F). During September, Gletsch experiences an average low-temperature of 3.5°C (38.3°F) at night.Humidity
In September, the average relative humidity is 84%.Rainfall
In Gletsch, in September, it is raining for 19.4 days, with typically 81mm (3.19") of accumulated precipitation. In Gletsch, during the entire year, the rain falls for 173.4 days and collects up to 1380mm (54.33") of precipitation.Snowfall
January through June, August through December are months with snowfall. In September, it is snowing for 1.6 days. Throughout September, 26mm (1.02") of snow is accumulated. Throughout the year, there are 125.9 snowfall days, and 4354mm (171.42") of snow is accumulated.Daylight
In Gletsch, Switzerland, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:47 and sunset at 20:05. On the last day of September, in Gletsch, sunrise is at 07:24 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine in Gletsch, Switzerland, is 8.3h.UV index
In September, the average daily maximum UV index in Gletsch is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 2 as the daily maximum UV index converts into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gletsch, Switzerland
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in September: 3.5°C
The months with the highest average low temperature are July and August (6.3°C).
The coldest month (with the lowest average low temperature) is February (-11.4°C).
Average pressure in September
Gletsch, 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 (1015.3mbar).
Average wind speed in September
Gletsch, Switzerland
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is December (8.9km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in September
Gletsch, 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
Gletsch, Switzerland
- Average rainfall in September: 81mm
The wettest month (with the highest rainfall) is August (180mm).
The driest month (with the least rainfall) is February (65mm).
Average rainfall days in September
Gletsch, Switzerland
- Average rainfall days in September: 19.4 days
The months with the highest number of rainy days are July and August (25.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Gletsch, Switzerland
- Average snowfall in September: 26mm
The month with the highest snowfall is December (787mm).
The month with the least snowfall is July (0mm).
Average snowfall days in September
Gletsch, Switzerland
- Average snowfall days in September: 1.6 days
The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Gletsch, 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 36min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in September
Gletsch, Switzerland
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is October (13.1 days).
The month with the least sunshine days is August (4 days).
Average UV index in September
Gletsch, 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, April and November (UV index 1).
Average cloud cover in September
Gletsch, Switzerland
- Average cloud cover in September: 47
The months with the most cloud cover are February, March, April and May (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in September
Gletsch, 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).
