Val dʼIlliez weather in September (Canton of Valais, Switzerland)

Wondering what the weather is like in Val dʼIlliez during September? Use this page to get an overview of the month’s weather conditions.

Temperatures

September in Val dʼIlliez generally includes moderate temperatures and high rainfall. Expect daytime highs to reach approximately 16°C, with nighttime lows dipping to around 5°C.

Precipitation

Val dʼIlliez in September usually receives high rainfall, averaging around 143 mm for the month. The climate data from previous years indicates that there are typically about 14 days days of rain.

Average sunshine

With approximately 190 hours hours of sun, the days are filled with brightness. It makes it a perfect month for outdoor activities.

Should you favor a climate that's both dry and comfortably warm July and August typically offer the most agreeable circumstances. On the other hand, January, February, March, April, May, June, October, November and December tend to be characterized by conditions that may not be as optimal.

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

 

Val dʼIlliez, monthly averages in September

Min Temperature 5°C  

Max Temperature 16°C  

Chance of Rain 45%  

Precipitation 143 mm  

Rainy days 14 days  

Sunshine 190 hours *  

Percentage Sunshine *  

Data from: Chamonix-Mont-Blanc, France (31 KM, 19 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?

For visitors traveling to Val dʼIlliez, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

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

9/10

Interested in more climate information?

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

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.