Sankt Niklaus Weather in September

September in Sankt Niklaus brings moderate temperatures, with daytime highs of 13°C (55°F) and nights around 2°C (36°F). Quite a bit of rainfall is expected, around 138 mm (5.4 in), so pack an umbrella.

Rainfall in Sankt Niklaus in September

Typically around 15 days of rainfall are expected, averaging 138 mm (5.4 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Sankt Niklaus in September

In September, Sankt Niklaus gets moderate temperatures, with highs of 13°C (55°F). Nights cool to around 2°C (36°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Sankt Niklaus in September

With about 166 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

September in Sankt Niklaus can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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

Sankt Niklaus Temperature in September

Min Temperature 2°C (36°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 50%  

Precipitation 138 mm (5.4 in)  

Rainy days 15 days  

Humidity 70% *  

Sunshine 166 hours *  

Percentage Sunshine 69% *  

* Data from: Zermatt, Switzerland (17 KM, 10 Miles).

What to Wear in Sankt Niklaus 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sankt Niklaus in September

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

5/10

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 Niklaus's climate page.

More climate data for Sankt Niklaus

Temperature Rainfall Sunshine Humidity

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