Unterterzen Weather in September

September in Unterterzen brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 7°C (45°F). It's part of the rainy season, with 192 mm (7.6 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Unterterzen in September

Unterterzen is in the rainy season in September, with rain on around 14 days and an average of 192 mm (7.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Unterterzen in September

Daytime highs in Unterterzen in September reach 17°C (63°F), with nights around 7°C (45°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Unterterzen in September

The area experiences a moderate amount of sunshine, with approximately 157 hours of sunlight expected. Even though this month is part of the rainy season, you could still see the sun every now and then.

Wind Speed in Unterterzen in September

Average wind conditions reach 6 m/s (12 knots) in September. This creates notably windy weather that is clearly felt and can influence daily activities. Keep in mind this is an average. Some days are less intense, while others can be quite gusty.

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

Unterterzen Temperature in September

Min Temperature 7°C (45°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 48%  

Precipitation 192 mm (7.6 in)  

Rainy days 14 days  

Humidity 78% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 157 hours *  

Percentage Sunshine *  

* Data from: Säntis (the highest mountain in the Alpstein massif), Switzerland (13 KM, 8 Miles).

What to Wear in Unterterzen in September

For Unterterzen in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Unterterzen 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

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 Unterterzen's climate page.

More climate data for Unterterzen

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Unterterzen climate overview or explore weather in Switzerland.