Trogen Weather in September

September in Trogen brings pleasant temperatures around 19°C (66°F) during the day, dropping to 10°C (50°F) at night, with quite a bit of rainfall expected, averaging around 143 mm (5.6 in) for the month.

Rainfall in Trogen in September

Expect around 13 days of rain based on historical data, with 143 mm (5.6 in) average. 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 Trogen in September

In September, Trogen sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 10°C (50°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 10°C (50°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Trogen in September

The month experiences a moderate amount of sunlight, with 155 hours of sunshine. This provides a nice balance between sunshine and clouds.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Trogen.

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

Trogen Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 44%  

Precipitation 143 mm (5.6 in)  

Rainy days 13 days  

Humidity 78% *  

Sunshine 155 hours *  

Percentage Sunshine 44% *  

* Data from: St. Gallen, Switzerland (6 KM, 4 Miles).

What to Wear in Trogen in September

For Trogen 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Trogen in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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 Trogen's climate page.

More climate data for Trogen

Temperature Rainfall Sunshine Humidity

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