Sankt Stephan Weather in September

September in Sankt Stephan typically sees daytime highs of 16°C (61°F) and nighttime lows of 4°C (39°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Sankt Stephan in September

Analyzing past climate data, one can expect approximately 15 days of rain, averaging 150 mm (5.9 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Sankt Stephan in September

Daytime highs in Sankt Stephan in September reach 16°C (61°F), with nights around 4°C (39°F). Conditions are often most pleasant around the middle of the day. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Sankt Stephan in September

Expect sunny days throughout the month, with an estimated 210 hours of sunshine. This makes it a pleasant time to visit Sankt Stephan.

If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Sankt Stephan.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Sankt Stephan's climate page.

Sankt Stephan Temperature in September

Min Temperature 4°C (39°F)  

Max Temperature 16°C (61°F)  

Chance of Rain 48%  

Precipitation 150 mm (5.9 in)  

Rainy days 15 days  

Humidity 71% *  

Sunshine 210 hours *  

Percentage Sunshine 65% *  

* Data from: Sion, Switzerland (32 KM, 20 Miles).

What to Wear in Sankt Stephan in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Sankt Stephan in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

5/10

Walking

5/10

Camping

3/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Sankt Stephan's climate page.

More climate data for Sankt Stephan

Temperature Rainfall Sunshine Humidity

See the full Sankt Stephan climate overview or explore weather in Switzerland.