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.

Total September sunshine

Hours	Place	%
150	Chasseral	40
169	Evolène	59
184	Geneva (Genève)	56
160	Great St Bernard Pass	50
160	La Chaux-de-Fonds	47
188	Lausanne	53
200	Montana	60
179	Neuchâel (Neuenburg)	51
193	Nyon	55
179	Payerne	51
208	Sion (Sitten)	65
156	Zermatt	65

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.

Average amount of sun in September

Hours	Place	%
149	Aarau	44
146	Adelboden	52
160	Basel	48
175	Bern (Bären)	51
132	Engelberg	46
170	Gütsch	49
157	Güttingen	45
152	Interlaken	53
175	Jungfraujoch	50
146	Lucerne (Luzern)	42
154	Mount Pilatus	44
158	Säntis	43
151	Schaffhausen	47
154	St. Gallen	44
161	Wädenswil	46
164	Zürich	48

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).

Average September sun

Hours	Place	%
153	Arosa	49
158	Chur	58
182	Cimetta	51
160	Davos	53
155	Disentis (Mustér)	50
109	Glarus	53
198	Locarno	58
192	Lugano	57
167	Piz Corvatsch	47
155	Samedan	58
134	San Bernardino	49
164	Scuol	53
173	Stabio	50
161	Weissfluhjoch	46