Switzerland weather in September
What is the weather like in Switzerland in September?
The weather conditions in Switzerland in September vary from poor to perfect depending on the destination.
During September in Switzerland, the average maximum temperature varies from low in Ulrichen with 10°C (51°F) to high in Chiasso with 22°C (72°F). Minimum nighttime temperatures generally drop to 14°C (57°F) in Chiasso and 1°C (34°F) in Ulrichen.
Precipitation in September varies from moderate in Busingen am Hochrhein with an average of 85mm (3.35 inches) of rainfall to heavy in Verdasio with 210mm (8.26 inches).
It is also generally a
moderately sunny
time of year with an average of 166 hours of sunshine in Zermatt during the entire month.
To learn more about the weather conditions in specific areas of Switzerland, check out the map below.
Where to go in Switzerland in September
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations in Switzerland
What is the weather like in September for the 5 most popular destinations in Switzerland?
Average weather in Zermatt
In September Zermatt generally has low temperatures with maximum daytime temperatures around 11°C (52°F), minimum nighttime temperatures around 1°C (34°F) and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Grindelwald
In September Grindelwald generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 3°C (37°F) and heavy monthly rainfall. So on average the conditions are poor that month.
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Average weather in Nendaz
In September Nendaz generally has moderate temperatures with maximum daytime temperatures around 15°C (58°F), minimum nighttime temperatures around 3°C (38°F) and high monthly rainfall. So on average the conditions are unpleasant that month.
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Average weather in Zürich
In September Zürich generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 11°C (51°F) and high monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Davos
In September Davos generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 2°C (36°F) and high monthly rainfall. So on average the conditions are poor that month.
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Is your destination not in the list? Have a look at other destinations in Switzerland.
Is September the best time to go to Switzerland?
In our opinion September is not the best time to visit Switzerland with commonly poor weather in Zermatt.
On average the best time to visit Switzerland is in August with generally unpleasant weather in Zermatt.
The worst months are January, February, March, April, May, June, July, September, October, November and December that can have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Switzerland.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to Switzerland? Get detailed 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 climate conditions. Find out where to go with our weather planner.