Monthey weather in September (Canton of Valais, Switzerland)

What kind of temperatures can you expect in Monthey during September? Check out this detailed guide to the month’s weather conditions.

Temperatures

In September, the weather in Monthey generally includes moderate temperatures and high rainfall. Throughout the daytime, temperatures often hover around 16°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 5°C.

Precipitation

Monthey in September usually receives high rainfall, averaging around 148 mm for the month. According to historical climate patterns, there are usually around 13 days days of rain.

Average sunshine

The days are predominantly sunny, with an estimated total of around 210 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

Should you favor a climate that's both dry and comfortably warm August typically offers 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 Monthey climate page with graphs.

 

Monthey, monthly averages in September

Min Temperature 5°C  

Max Temperature 16°C  

Chance of Rain 44%  

Precipitation 148 mm  

Rainy days 13 days  

Humidity 71% *  

Sunshine 210 hours *  

Percentage Sunshine 65% *  

Data from: Sion, Switzerland (29 KM, 18 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

Map not visible? Whoops sorry! Please refresh the page.

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 Monthey, 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.

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 Monthey.

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.