ClimateForecastSeptemberOctober >>

Interlaken weather in September (Canton of Bern, Switzerland)

What should you pack for a trip to Interlaken in September? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

In September, Interlaken typically experiences moderate temperatures and heavy rainfall. In the daytime, temperatures tend to hover near 14°C, cooling down at night to around 4°C.

Precipitation

Interlaken in September usually receives heavy rainfall, averaging around 162 mm for the month. This month experiences about 15 days of rain according to historical data.

Average sunshine

The city usually sees around 149 hours of sunlight, indicating a moderately sunny period.

So this is a great month to visit if you prefer dry days with pleasant temperatures. September typically offers the most optimal weather. In contrast, January, February, March, April, May, June, July, August, October, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Interlaken climate page with graphs.

 

Interlaken, monthly averages in September

Min TemperatureMin Temperature 4°C  
Max TemperatureMax Temperature 14°C  
Chance of RainChance of Rain 49%  
PrecipitationPrecipitation 162 mm  
Rainy daysRainy days 15 days  
HumidityHumidity 80%  
SunshineSunshine 149 hours  
Percentage SunshinePercentage Sunshine 52%  

Where to go in Switzerland in September

Find out more about the weather in Switzerland and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Interlaken.

Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find 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.