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Switzerland
The weather in September in Wengen
Looking for great weather? September is a good time to be in Wengen. The temperatures are nice, and there’s not too much rain.
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Wengen, Switzerland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Daily weather in September for Wengen
Click on any day in September to get detailed info about the usual weather on that day in Wengen. Check out the historical temperatures and precipitation over the past 10 years on this day.
Average temperatures
It's pleasantly warm in September in Wengen with an average temperature of 19°C. Temperatures this month range from a low of 16°C to a high of 22°C. At night, you can expect temperatures between 7°C and 12°C.
Temperature records
With 29°C in 2018, Wengen reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 7°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 16°C.
Precipitation and snowfall
In September, there is an average of 77 mm of precipitation, spread over 11 days. Of the total precipitation, about 0,1 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the West.
September weather comparison
| Wengen | New York | |
|---|---|---|
| Average temperature | 19°C | 27°C |
| Max. temperature | 22°C | 31°C |
| Min. temperature | 7°C | -5°C |
| Total precipitation | 77 mm | 57 mm |
| Rainy days | 11 days | 9 days |
| Total snowfall | 0,1 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Wengen with mild temps, averaging around 21°C during the day and nights around 12°C.
Mid September
By mid-September, daytime temps drop to around 20°C, with nights around 11°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Wengen is around 18°C, while nighttime temps are about 9°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Wengen for all months and discover the best travel time
Curious about the weather in other parts of Switzerland? Check out the climate and weather for spots like Zurich, Geneva, Valais, or explore other destinations in Switzerland.
Temperature charts
These charts show the average temperatures in September in Wengen, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Wengen
Temperature in September in Wengen over the years
Precipitation charts
These charts show the average amount of precipitation in September in Wengen, Switzerland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Wengen
Total precipitation in September in Wengen over the years
Daily Snowfall in September in Wengen
Snowfall in September in Wengen per year
Daily UV index in September in Wengen
This chart shows the average daily UV index in September in Wengen, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Wengen
Have you been to Wengen in September?
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Average weather in Wengen by month
Click on a month below to see detailed weather info for Wengen. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.