Ernen weather in September (Canton of Valais, Switzerland)

What's the typical weather in Ernen for September? This guide provides the necessary weather information for your travel plans.

Temperatures

Typically, September in Ernen includes low temperatures and heavy rainfall. Daytime temperatures generally settle around 12°C, while nighttime can see a dip to about 2°C.

Precipitation

Ernen in September usually receives heavy rainfall, averaging around 170 mm for the month. Expect around 15 days of rain based on historical data.

Average sunshine

The month experiences a moderate amount of sunlight, with 149 hours hours. A nice balance between sunshine and clouds.

If your ideal day consists of dry skies and moderate temperatures generally stand out with the best circumstances. While tend to showcase less optimal conditions.

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

 

Ernen, monthly averages in September

Min Temperature 2°C  

Max Temperature 12°C  

Chance of Rain 50%  

Precipitation 170 mm  

Rainy days 15 days  

Humidity 80% *  

Sunshine 149 hours *  

Percentage Sunshine 52% *  

Data from: Interlaken, Switzerland (35 KM, 22 Miles).

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.

Weather conditions Weather

Temperatures

Precipitation

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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

Outdoor sports

5/10

Interested in more climate information?

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

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.