Riederalp Weather in September
In Riederalp, September brings moderate daytime temperatures around 12°C (54°F), with nights cooling to 2°C (36°F). Expect quite a bit of rainfall this month.
Rainfall in Riederalp in September
You can expect rain on roughly 15 days based on historical data, averaging 154 mm (6.1 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Riederalp in September
September in Riederalp sees highs of 12°C (54°F) and lows of 2°C (36°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Riederalp in September
The area enjoys a moderate level of sunlight, with around 149 hours. It's a good balance between sunny and cloudy days.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Riederalp. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Riederalp's climate page.
Riederalp Temperature in September
Min Temperature
2°C (36°F)
Max Temperature
12°C (54°F)
Chance of Rain
50%
Precipitation
154 mm (6.1 in)
Rainy days
15 days
Humidity
80% *
Sunshine
149 hours *
Percentage Sunshine
52% *
Best Places in Switzerland in September
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in September →
perfect weather
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unpleasant
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What to Wear in Riederalp in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Riederalp in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Riederalp's climate page.
Temperature Rainfall Sunshine Humidity
See the full Riederalp climate overview or explore weather in Switzerland.
