The weather in September in Passo Stelvio

It's cool to moderate in September in Passo Stelvio with an average temperature of 16°C. Temperatures this month range from a low of 13°C to a high of 19°C. At night, you can expect temperatures between 4°C and 9°C.

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

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Passo Stelvio, Italy. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 23°C in 2023, Passo Stelvio reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 3°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 13°C.

Precipitation and snowfall

In September, there is an average of 69 mm of precipitation, spread over 10 days. Of the total precipitation, about 2,6 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in September for Passo Stelvio

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

September weather comparison

  Passo Stelvio New York
Average temperature 16°C 27°C
Max. temperature 19°C 31°C
Min. temperature 4°C -5°C
Total precipitation 69 mm 57 mm
Rainy days 10 days 9 days
Total snowfall 2,6 cm 0 cm
Snowy days 2 days 0 days

Start of September

The month of September starts in Passo Stelvio with mild temps, averaging around 18°C during the day and nights around 9°C.

Mid September

By mid-September, daytime temps drop to around 17°C, with nights around 9°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 Passo Stelvio is around 15°C, while nighttime temps are about 6°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable trips to Passo Stelvio

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 Passo Stelvio for all months and discover the best travel time

Curious about the weather in other parts of Italy? Check out the climate and weather for spots like Tuscany, Sicily, Lake Garda, or explore other destinations in Italy.

Temperature charts

These charts show the average temperatures in September in Passo Stelvio, Italy. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Passo Stelvio

Temperature in September in Passo Stelvio over the years

Precipitation charts

These charts show the average amount of precipitation in September in Passo Stelvio, Italy. 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 Passo Stelvio

Total precipitation in September in Passo Stelvio over the years

Daily Snowfall in September in Passo Stelvio

Snowfall in September in Passo Stelvio per year

Daily UV index in September in Passo Stelvio

This chart shows the average daily UV index in September in Passo Stelvio, 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 Passo Stelvio

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Average weather in Passo Stelvio by month

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