Switzerland

Switzerland Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Switzerland in September.

Planning a getaway to Switzerland this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Switzerland in September

Switzerland has a wide variety of climate types. During September, you can expect temperatures that range from cold to warm and precipitation levels ranging from moderate to heavy.

Temperatures

The average maximum daytime temperatures vary from cold in Ulrichen at 10°C (50°F) to warm in Chiasso at 22°C (72°F). Nighttime temperatures generally drop to 14°C (57°F) in Chiasso and 1°C (34°F) in Ulrichen.

To explore the conditions in Switzerland in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Busingen am Hochrhein with an average of 85 mm (3.3 in) to heavy rainfall in Verdasio with 210 mm (8.3 in).

Average sunshine

Sunshine is fairly consistent across many areas. Zermatt receives about 166 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Switzerland by month

Best Places to Visit in Switzerland in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Switzerland.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Switzerland

What is the weather like in September for some of the most popular destinations in Switzerland?

Temperature range in Switzerland (September)

Precipitation variation in Switzerland (September)

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.

August
September
October
Max temperature
15°C (59°F)
11°C (52°F)
6°C (43°F)
Min temperature
5°C (41°F)
1°C (34°F)
-3°C (27°F)
Monthly sun hours
187 hours
166 hours
141 hours
Monthly rainfall
180 mm (7.1 in)
161 mm (6.3 in)
144 mm (5.7 in)
Monthly rainy days
19 days
16 days
14 days
Weather conditions

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.

August
September
October
Max temperature
17°C (63°F)
13°C (55°F)
8°C (46°F)
Min temperature
7°C (45°F)
3°C (37°F)
-1°C (30°F)
Monthly sun hours
195 hours
149 hours
103 hours
Monthly rainfall
218 mm (8.6 in)
165 mm (6.5 in)
143 mm (5.6 in)
Monthly rainy days
19 days
16 days
14 days
Weather conditions

Nendaz

In September Nendaz generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 3°C (37°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
18°C (64°F)
15°C (59°F)
10°C (50°F)
Min temperature
7°C (45°F)
3°C (37°F)
-1°C (30°F)
Monthly sun hours
248 hours
210 hours
162 hours
Monthly rainfall
152 mm (6 in)
126 mm (5 in)
113 mm (4.4 in)
Monthly rainy days
17 days
14 days
13 days
Weather conditions

Zürich

In September Zürich generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
11°C (52°F)
7°C (45°F)
Monthly sun hours
215 hours
166 hours
110 hours
Monthly rainfall
135 mm (5.3 in)
115 mm (4.5 in)
98 mm (3.9 in)
Monthly rainy days
17 days
13 days
12 days
Weather conditions

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.

August
September
October
Max temperature
17°C (63°F)
13°C (55°F)
8°C (46°F)
Min temperature
6°C (43°F)
2°C (36°F)
-2°C (28°F)
Monthly sun hours
180 hours
162 hours
144 hours
Monthly rainfall
172 mm (6.8 in)
129 mm (5.1 in)
114 mm (4.5 in)
Monthly rainy days
20 days
15 days
14 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Switzerland.

Popular cities in September

Day & night temperatures, rainfall and average weather in Switzerland in September.

City Weather Day temp Night temp Rainfall
Zermatt 11°C (52°F) 1°C (34°F) 161 mm (6.3 in)
Interlaken 14°C (57°F) 4°C (39°F) 162 mm (6.4 in)
Zürich 20°C (68°F) 11°C (52°F) 115 mm (4.5 in)
Davos 13°C (55°F) 2°C (36°F) 129 mm (5.1 in)
Lauterbrunnen 13°C (55°F) 3°C (37°F) 155 mm (6.1 in)
Lucerne 19°C (66°F) 10°C (50°F) 168 mm (6.6 in)

Switzerland weather in September: frequently asked questions

What is the weather like in Switzerland in September?

Switzerland typically experiences poor weather in September, part of the season. Daytime highs in Zermatt average around 11°C (52°F), and temperatures drop to about 1°C (34°F) at night.

What is the average temperature in Switzerland in September?

Daytime temperatures in Zermatt peak at roughly 11°C (52°F) in September, dropping to about 1°C (34°F) overnight.

Does Switzerland get a lot of rain in September?

Expect plenty of rainfall. Zermatt records an average of 161 mm (6.3 in) in September, putting it among the wetter months for Switzerland.

Is September a Good Time to Visit Switzerland?

In our opinion, September may not be the ideal time to visit Switzerland due to the typically poor weather in Zermatt.

On average, the best time to visit Switzerland is in August with generally unpleasant weather in Zermatt.

Interested in more climate information?

We have much more information about the climate in Switzerland.

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 travel conditions. Find out where to go with our weather planner.

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