The weather in September in Zernez

Looking for sun and warm weather? September isn’t a good month to be in Zernez. The temperatures are too low for a warm stay this month.

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Zernez, 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 Zernez

Click on any day in September to get detailed info about the usual weather on that day in Zernez. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average temperatures

It's cool to moderate in September in Zernez with an average temperature of 16°C. Temperatures this month range from a low of 13°C to a high of 18°C. At night, you can expect temperatures between 2°C and 8°C.

Temperature records

With 25°C in 2023, Zernez reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 2°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -5°C to a highest value of 12°C.

Precipitation and snowfall

In September, there is an average of 71 mm of precipitation, spread over 10 days. Of the total precipitation, about 6,9 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the South.

September weather comparison

  Zernez New York
Average temperature 16°C 27°C
Max. temperature 18°C 31°C
Min. temperature 2°C -5°C
Total precipitation 71 mm 57 mm
Rainy days 10 days 9 days
Total snowfall 6,9 cm 0 cm
Snowy days 3 days 0 days

Start of September

The month of September starts in Zernez with cool temps, averaging around 17°C during the day and nights around 7°C.

Mid September

By mid-September, daytime temps stay steady at around 17°C, with nights around 7°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 Zernez is around 14°C, while nighttime temps are about 4°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 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Zernez 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 Zernez, Switzerland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Zernez

Temperature in September in Zernez over the years

Precipitation charts

These charts show the average amount of precipitation in September in Zernez, 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 Zernez

Total precipitation in September in Zernez over the years

Daily Snowfall in September in Zernez

Snowfall in September in Zernez per year

Daily UV index in September in Zernez

This chart shows the average daily UV index in September in Zernez, 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 Zernez

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Average weather in Zernez by month

Click on a month below to see detailed weather info for Zernez. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.