Average Sunshine in Switzerland for September

The tables below give September averages for the number of sunny hours and the percentage of time between sunrise and sunset that the sun shines at cities, resorts and mountains across Switzerland.

The month's totals are averages of weather data collected during 1991 to 2020.

Western Switzerland

This section covers the mainly French speaking portion of Switzerland. It includes the area around Lake Geneva and the cantons of Fribourg, Geneva, Jura, Neuchâtel, Valais and Vaud.

Some of the weather stations are at high elevations in the Valais (or Pennine) Alps of southwestern Switzerland. Great St. Bernard Pass (Col du Grand St-Bernard) is the highest point on this list at 2472 metres (8110 feet). Also above 1400 metres (or 4600 feet) are Chasseral mountain and the resort towns of Zermatt and Montana.

Central & Northern Switzerland

While most places on this list are below 1000 metres (3280 feet) elevation, there are some mountainous locations. Säntis, near Schwägalp, at 2502 metres (8209 feet) elevation is the highest point in the Appenzell Alps. Even higher is the weather station at 3580 metres (11,745 feet), above Jungfraujoch pass of the Bernese Alps.

Eastern Switzerland

This list includes two low-elevation cities, Locarno and Lugano, in the canton of Ticino of south-east Switzerland.

Several places here in the canton of Graubünden are mountain resort towns, including Davos, Scuol and Samedan, which sit above 1500 metres (4921 feet) elevation.

High-altitude locations include Gütsch located above Andermatt at 2286 m. On Weissfluhjoch, a peak in the Plessur Range above Davos, weather is reported from just below the summit, at 2690 metres (8825 feet) elevation. On Piz Corvatsch, near Silvaplana in the Bernina Range, the weather is measured at 3305 metres (10,843 feet).