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.