September weather forecastGstaad, Switzerland
September
Weather in September
September signals the arrival of autumn in Gstaad. The weather gradually cools down with the average temperature ranging from 5.2°C (41.4°F) to 15.1°C (59.2°F). The average cloud cover begins to mount hinting at the upcoming foggy autumn mornings. This month sees the least amount of rainfall in the year, averaging at merely 13mm (0.51"). With a mix of warm days and cool evenings, September promises comfortable weather for countryside exploration.Temperature
As September begins in Gstaad, there is a minor decrease in the average high-temperature, softly falling from an enjoyable 19.3°C (66.7°F) in August to a moderate 15.1°C (59.2°F). The temperature in Gstaad, Switzerland, lowers to an average of 5.2°C (41.4°F) during September nights.Humidity
In September, the average relative humidity is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 6.9 days and accumulates 13mm (0.51") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Gstaad, Switzerland, is 12h and 33min.On the first day of September in Gstaad, Switzerland, sunrise is at 06:51 and sunset at 20:09. On the last day of the month, sunrise is at 07:28 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September in Gstaad is 8.5h.UV index
The average daily maximum UV index in September in Gstaad is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gstaad, Switzerland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (-0.3°C).
- Average low temperature in September: 5.2°C
The month with the highest average low temperature is July (7.9°C).
The coldest month (with the lowest average low temperature) is February (-9.1°C).
Average pressure in September
Gstaad, 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 (1015.3mbar).
Average wind speed in September
Gstaad, Switzerland
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is December (9.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Gstaad, Switzerland
- Average humidity in September: 81%
The months with the highest relative humidity are February and March (89%).
The months with the lowest relative humidity are July, August and October (79%).
Average rainfall in September
Gstaad, Switzerland
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Gstaad, Switzerland
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (3 days).
Average snowfall in September
Gstaad, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (236mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gstaad, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gstaad, 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: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Gstaad, Switzerland
- Average sunshine days in September: 22.6 days
The month with the most sunshine days is October (24.6 days).
The month with the least sunshine days is June (17.8 days).
Average UV index in September
Gstaad, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Gstaad, Switzerland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are August and October (Cloud cover 35).
Average visibility in September
Gstaad, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are April, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March, May and September (7km).





