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Canton of Bern Weather in September

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

Thinking about venturing to Canton of Bern, Switzerland this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Canton of Bern in September

Canton of Bern, Switzerland is a region in Switzerland. September in Canton of Bern generally has temperatures that range from mild to pleasant, with precipitation levels ranging from high to heavy.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is mild in Stechelberg at 12°C (54°F) to pleasant in Bolligen at 20°C (68°F). Nighttime temperatures generally drop to 10°C (50°F) in Bolligen and 2°C (36°F) in Stechelberg.

For a closer look at conditions across Canton of Bern, Switzerland, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Bolligen with an average of 101 mm (4 in) to heavy rainfall in Brienzwiler with 181 mm (7.1 in).

Average sunshine

Sunshine is fairly consistent across many areas. Grindelwald receives about 149 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 Canton of Bern by month

Pick a month to see the average temperature, rainfall and sunshine in Canton of Bern — and find the best time to visit. (based on Interlaken)

Best Places to Visit in Canton of Bern in September

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

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 Canton of Bern

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

Temperature range in Canton of Bern (September)

Precipitation variation in Canton of Bern (September)

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

Interlaken

In September Interlaken generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 4°C (39°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
18°C (64°F)
14°C (57°F)
10°C (50°F)
Min temperature
8°C (46°F)
4°C (39°F)
1°C (34°F)
Monthly sun hours
195 hours
149 hours
103 hours
Monthly rainfall
214 mm (8.4 in)
162 mm (6.4 in)
134 mm (5.3 in)
Monthly rainy days
18 days
15 days
14 days
Weather conditions

Adelboden

In September Adelboden generally has moderate temperatures with maximum daytime temperatures around 14°C (57°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)
14°C (57°F)
10°C (50°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
192 mm (7.6 in)
150 mm (5.9 in)
132 mm (5.2 in)
Monthly rainy days
18 days
15 days
14 days
Weather conditions

Lenk

In September Lenk generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 4°C (39°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

August
September
October
Max temperature
19°C (66°F)
15°C (59°F)
11°C (52°F)
Min temperature
7°C (45°F)
4°C (39°F)
0°C (32°F)
Monthly sun hours
248 hours
210 hours
162 hours
Monthly rainfall
187 mm (7.4 in)
147 mm (5.8 in)
128 mm (5 in)
Monthly rainy days
18 days
15 days
14 days
Weather conditions

Bern

In September Bern generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
227 hours
176 hours
121 hours
Monthly rainfall
123 mm (4.8 in)
106 mm (4.2 in)
95 mm (3.7 in)
Monthly rainy days
16 days
13 days
13 days
Weather conditions

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Canton of Bern in September.

City Weather Day temp Night temp Rainfall
Interlaken 14°C (57°F) 4°C (39°F) 162 mm (6.4 in)
Lauterbrunnen 13°C (55°F) 3°C (37°F) 155 mm (6.1 in)
Grindelwald 13°C (55°F) 3°C (37°F) 165 mm (6.5 in)
Adelboden 14°C (57°F) 3°C (37°F) 150 mm (5.9 in)
Lenk 15°C (59°F) 4°C (39°F) 147 mm (5.8 in)
Bern 20°C (68°F) 10°C (50°F) 106 mm (4.2 in)

Canton of Bern weather in September: frequently asked questions

What is the weather like in Canton of Bern, Switzerland in September?

In September, Canton of Bern, Switzerland generally has poor weather conditions. Grindelwald sees daytime temperatures near 13°C (55°F), with nights cooling to roughly 3°C (37°F).

What is the average temperature in Canton of Bern, Switzerland in September?

Average temperatures in Canton of Bern, Switzerland during September range from a nighttime low near 3°C (37°F) to a daytime high around 13°C (55°F) in Grindelwald.

Does Canton of Bern, Switzerland get a lot of rain in September?

Expect plenty of rainfall. Grindelwald records an average of 165 mm (6.5 in) in September, putting it among the wetter months for Canton of Bern, Switzerland.

Is September a Good Time to Visit Canton of Bern, Switzerland?

Given the typically poor weather conditions in Grindelwald, September may not be the ideal time to visit Canton of Bern, Switzerland.

Generally speaking, the best visiting conditions can be found in offering mostly poor weather in Grindelwald.

Interested in more climate information?

We have much more information about the climate in Canton of Bern.

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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Need travel inspiration? Check out our bucket list articles and be inspired.