Unterwasser weather in September (St.Gallen Canton, Switzerland)
How is September weather typically in Unterwasser? Check out our in-depth weather guide for this month.
Temperatures
September in Unterwasser generally includes moderate temperatures and heavy rainfall. During the day, temperatures usually reach up to 17°C. At night, they tend to fall to approximately 8°C.
Precipitation
Unterwasser in September falls under the rainy season with heavy rainfall, averaging around 182 mm for the month. Expect around 14 days of rain based on historical data.Average sunshine
Expect a moderate amount of sunlight, with approximately 157 hours. This means a pleasant mix of sun and clouds.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Unterwasser. July and August typically offer the most optimal weather. In contrast, January, February, March, April, May, June, September, October, November and December tend to have less optimal conditions.
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Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Unterwasser's climate page.
Unterwasser, monthly averages in September
Where to go in Switzerland in September
Find out more about the weather in Switzerland and which places have the best travel conditions in this month.
Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Unterwasser's climate page.
So, what should you wear in this month?
For visitors traveling to Unterwasser, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Unterwasser.
Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.