Switzerland in september: average Weather, Temperature and Climate, Where to go?
Weather in Switzerland in september 2025
Below, you have access to the weather forecast for the month of september for most popular cities in Switzerland. These datas are statistics for the month of september from weather reports for over 10 years. The percentage indicates the probability of having the weather mentioned.
Average weather in september in Zurich
good weather
Weather at 6am
52°F
Clear/Sunny
32% of time
30%
20%
10%
Weather at 12pm
70°F
Clear/Sunny
48% of time
28%
12%
10%
Weather at 6pm
58°F
Clear/Sunny
42% of time
27%
13%
9%
Weather at 3am
50°F
38%
28%
17%
13%
Where to go in Switzerland in september?
Where to go in Switzerland in september: destination map
Where to go in each region in september?
| Central Switzerland (Lucerne, Schwyz, Andermatt...) | 58°F to 70°F | 5 à 10 days | good weather* |
| Eastern Switzerland (Davos, Kreuzlingen, Saint Moritz...) | 52°F to 70°F | 5 à 11 days | good weather* |
| Espace Mittelland (Fribourg, Bern, Interlaken...) | 58°F to 70°F | 4 à 9 days | good weather* |
| Lake Geneva region of Switzerland (Geneva, Lausanne, Montreux...) | 52°F to 70°F | 5 à 10 days | good weather* |
| Nordwestschweiz (Basel, Aarau, Wohlen...) | 70°F to 72°F | 5 à 7 days | good weather |
| Ticino (Lugano, Locarno, Bellinzona...) | 58°F to 74°F | 4 à 12 days | good weather* |
| Zurich (Zurich, Winterthur, Kloten...) | 70°F | 4 à 5 days | good weather |
Where should you go in Switzerland in september when it comes to the weather?
Remember:
The climate in Switzerland in september ranges from good to very bad depending on the region and city.
It is not ideal 100%, but the weather in Switzerland that month is, according to seasonal norms, pretty good in Lucerne, Zurich, Lugano, Montreux, Fribourg, Sion, Lausanne, Bern, Basel and Geneva. I allows to appreciate tours in these cities. And even why not take a little time to enjoy the weather for... just be relax!
If you do not go to spend your time in a lounger by the pool, but, for example to go sightseeing, the cities of Interlaken and Davos have a decent enough weather for it in september. Finally, avoid going because the climate is pretty unfavorable.
Climate in Switzerland in september
Climate in Zurich in september
In september, maximum temperature is 70°F and minimum temperature is 52°F (for an average temperature of 61°F). The climate quite enjoyable there in this month. With 2.6in over 4 days, you risk getting wet slightly for your trip. But this is pretty reasonably and it will not be continuous.
With good weather conditions, september is a good month to go in Zurich.
| September | |||
| Average temperature | 61°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 52°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 92% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 35% | ||
| Length of day | 12:35 | ||
| Our opinion at whereandwhen.net | good |
Climate in Basel in september
In the month of september, maximum temperature is 72°F and minimum temperature is 54°F (for an average temperature of 63°F). The climate good around this city in the month of september. With 3.1in over 5 days, you will experience some showers for your holidays. But this is moderate and it is only of temporary showers.
With a good climate, september is a good month to go in that area in Switzerland.
| September | |||
| Average temperature | 63°F | ||
| Highest temperature | 72°F | ||
| Lowest temperature | 54°F | ||
| Rainfall | 3.1in | ||
| Number of days with rainfall | 5 day(s) (17%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 33% | ||
| Length of day | 12:34 | ||
| Our opinion at whereandwhen.net | good |
Climate in Bern in september
In september, maximum temperature is 70°F and minimum temperature is 49°F (for an average temperature of 59°F). The climate quite good in that locality in september. With 2.7in over 4 days, rain may occur throughout your journey. But this is pretty moderate and you will not be too bothered by it.
With good weather conditions, september is a good time to go in that area.
| September | |||
| Average temperature | 59°F | ||
| Highest temperature | 70°F | ||
| Lowest temperature | 49°F | ||
| Rainfall | 2.7in | ||
| Number of days with rainfall | 4 day(s) (15%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 35% | ||
| Length of day | 12:34 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Davos in september
In the month of september, maximum temperature is 56°F and minimum temperature is 41°F (for an average temperature of 49°F). The climate is fairly cool around this city in the month of september, but it is liveable when dressing cosy. With 5.7in over 8 days, you will experience some showers for your journey. But this is pretty reasonably and it will not be continuous.
With a correct weather, the month of september is okay (but not the best time) for traveling in this locality.
| September | |||
| Average temperature | 49°F | ||
| Highest temperature | 56°F | ||
| Lowest temperature | 41°F | ||
| Rainfall | 5.7in | ||
| Number of days with rainfall | 8 day(s) (27%) | ||
| Humidity | 89% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 41% | ||
| Length of day | 12:33 | ||
| Our opinion at whereandwhen.net | very bad |
Climate in Fribourg in september
In september, maximum temperature is 68°F and minimum temperature is 47°F (for an average temperature of 58°F). The climate pleasant here in september. With 5.2in over 8 days, you risk getting wet slightly during your holidays. But this is pretty moderate and it will not be continuous.
With a good weather, the month of september is a good time to go there.
| September | |||
| Average temperature | 58°F | ||
| Highest temperature | 68°F | ||
| Lowest temperature | 47°F | ||
| Rainfall | 5.2in | ||
| Number of days with rainfall | 8 day(s) (27%) | ||
| Humidity | 90% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 34% | ||
| Length of day | 12:34 | ||
| Our opinion at whereandwhen.net | tolerable |
All cities in Switzerland in september
| Zurich in september | good weather |
| Basel in september | good weather |
| Bern in september | tolerable weather |
| Davos in september | very bad weather |
| Fribourg in september | tolerable weather |
| Geneva in september | good weather |
| Lausanne in september | good weather |
| Lucerne in september | good weather |
| Lugano in september | good weather |
| Aarau in september | good weather |
| Andermatt in september | very bad weather |
| Bellinzona in september | good weather |
| Interlaken in september | tolerable weather |
| Kloten in september | good weather |
| Kreuzlingen in september | good weather |
| Locarno in september | good weather |
| Montreux in september | tolerable weather |
| Morges in september | good weather |
| Morgins in september | tolerable weather |
| Saint Moritz in september | very bad weather |
| Schwyz in september | tolerable weather |
| Sion in september | tolerable weather |
| Winterthur in september | good weather |
Weather data for Switzerland in september:
Weather data for Switzerland in september is derived from an average of the weather forecast since 2009 in Switzerland. There is a margin of error and these forecasts are to be considered as general information only. The weather in Switzerland can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Switzerland.