ClimateForecastSeptemberOctober >>

Riederalp weather in September (Canton of Valais, Switzerland)

What's the typical weather in Riederalp for September? Our guide gives you the essential weather details for this month.

Temperatures

In September, Riederalp usually has moderate temperatures and high rainfall. Throughout the daytime, temperatures often hover around 12°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 2°C.

Precipitation

Riederalp in September usually receives high rainfall, averaging around 154 mm for the month. Analyzing past climate data, one can expect approximately 15 days of rain.

Average sunshine

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

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Riederalp. June, July and August typically offer the most optimal weather. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions.

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

 

Riederalp, monthly averages in September

Min TemperatureMin Temperature 2°C  
Max TemperatureMax Temperature 12°C  
Chance of RainChance of Rain 50%  
PrecipitationPrecipitation 154 mm  
Rainy daysRainy days 15 days  
HumidityHumidity 80% *  
SunshineSunshine 149 hours *  
Percentage SunshinePercentage Sunshine 52% *  
Data from: Interlaken, Switzerland (34 KM, 21 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.

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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 Riederalp.

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.