Switzerland weather in September

Are you planning a trip to Switzerland in September and wondering what kind of weather to expect? Look no further than this page for all the information you need.

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

Find the average weather conditions in September for the most popular destinations in Switzerland on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

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.

Zermatt
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
15°C / 59°F 
5°C / 41°F 
187 hours 
180mm / 7.09" 
19 days 
11°C / 52°F 
1°C / 34°F 
166 hours 
161mm / 6.33" 
16 days 
poor 
October   >> October
>>  
6°C / 42°F 
-3°C / 26°F 
141 hours 
144mm / 5.69" 
14 days 
poor 
Climate in Zermatt

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.

Grindelwald
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
17°C / 62°F 
7°C / 44°F 
195 hours 
218mm / 8.57" 
19 days 
poor 
13°C / 55°F 
3°C / 37°F 
149 hours 
165mm / 6.51" 
16 days 
poor 
October   >> October
>>  
8°C / 46°F 
-1°C / 30°F 
103 hours 
143mm / 5.61" 
14 days 
poor 
Climate in Grindelwald

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.

Nendaz
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
18°C / 65°F 
7°C / 45°F 
248 hours 
152mm / 5.97" 
17 days 
15°C / 58°F 
3°C / 38°F 
210 hours 
126mm / 4.97" 
14 days 
October   >> October
>>  
10°C / 50°F 
-1°C / 30°F 
162 hours 
113mm / 4.46" 
13 days 
poor 
Climate in Nendaz

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.

Zürich
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
25°C / 76°F 
14°C / 58°F 
215 hours 
135mm / 5.32" 
17 days 
20°C / 68°F 
11°C / 51°F 
166 hours 
115mm / 4.53" 
13 days 
October   >> October
>>  
15°C / 59°F 
7°C / 45°F 
110 hours 
98mm / 3.85" 
12 days 
Climate in Zürich

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.

Davos
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
17°C / 62°F 
6°C / 43°F 
180 hours 
172mm / 6.77" 
20 days 
13°C / 55°F 
2°C / 36°F 
162 hours 
129mm / 5.07" 
15 days 
poor 
October   >> October
>>  
8°C / 47°F 
-2°C / 29°F 
144 hours 
114mm / 4.47" 
14 days 
poor 
Climate in Davos

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.

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  • 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.