The weather in Switzerland in September

As summer transitions into autumn,Switzerland enjoys mild temperatures and fewer crowds, perfect for a variety of outdoor activities. The weather still allows for hiking, cycling, and exploring the stunning natural landscapes. Cultural festivals, like the La Désalpe de Charmey and the Lucerne Festival, further add to your visit. Enjoy the beauty of picturesque villages, serene lakes, and bustling cities as the country transitions to the autumn season. Read all about the September weather here.

Switzerland in September at a glance

• Average temperatures range from around 50°F to 68°F (10°C to 20°C).
• September is a great time to explore places like Interlaken, Zermatt, and Lake Geneva, where you can enjoy the beautiful late-summer scenery and outdoor activities.
• The weather is mild and pleasant, perfect for hiking, cycling, and enjoying the beautiful scenery.

There are fewer crowds this month as the peak tourist season ends, ideal for exploring without the rush.

What is the weather in Switzerland in September like?

It’s typically mild and pleasant, marking the transition from summer to autumn. The days are still long and filled with sunlight, though temperatures begin to cool, especially in the lowland regions. In the Swiss Alps, the summer heat subsides, creating perfect conditions for outdoor activities, while cities like Zurich and Geneva  enjoy comfortable and inviting weather.

This is a great time for outdoor activities such as hiking, cycling, and exploring the natural environment. Average rainfall is moderate, with occasional showers that help to maintain the lush greenery. Overall, September can be a great time to experience the beauty of late summer and early autumn and a mix of outdoor adventures and cultural experiences.

Average daily temperatures in September

Switzerland experiences mild temperatures this month. The average high is around 68°F (20°C), while the low can dip to 50°F (10°C). In the mountainous regions, temperatures can be cooler, often from 41°F to 59°F (5°C to 15°C). Cities like Zurich and Geneva see mild temperatures, ranging from 54°F to 68°F (12°C to 20°C).

Is September a good time to visit Switzerland?

You’ll experience the transition from summer to autumn during a September visit. The weather offers perfect conditions for activities like hiking, cycling, and exploring the stunning natural landscapes. The days are still long, providing ample daylight to enjoy outdoor activities and sightseeing. However, be prepared for occasional rain showers; packing a light rain jacket is advisable.

This month sees fewer crowds as the peak summer season ends, so you can enjoy a more relaxed experience at tourist attractions and natural sites. The beauty of the changing landscapes and the pleasant weather make September a great time to visit Switzerland.

What about the crowds & cost?

September falls during the shoulder season, meaning fewer crowds at popular destinations. This results in more affordable accommodation, excursions, and flights compared to the peak summer months. The vibrant late-summer and early-autumn scenery and the opportunity to enjoy outdoor activities often justify a visit during this quieter period.

Festivals and events in Switzerland in September

September in Switzerland offers several exciting festivals and events that add to the charm of your visit.

• Autumn Festival (Festa d'Autunno): Held in Lugano, this festival features traditional food, music and crafts, celebrating the beginning of autumn in a beautiful lakeside setting. Held late September and/or early October.
• Lucerne Festival: A major classical music festival featuring performances by world-renowned orchestras, conductors and soloists.
• La Désalpe de Charmey (Alpabzug): Celebrated in various alpine villages, this traditional event marks the return of the cows from the mountain pastures to the valleys, with festivities including parades, music and local delicacies.

These festivals not only provide entertainment but also offer a deeper understanding of Switzerland’s cultural heritage.

Ready for your dream trip to Switzerland?

Our tailor-made trip service allows you to go on the trip of your dreams without the planning or hassle. All of our planned itineraries are created by local travel experts and can be tailored to meet your specific needs. 

Here are three matching trips:

• Scenic Swiss Adventures: Over 12 days, experience the panoramic trains, majestic mountains, and serene lakes of Switzerland. Enjoy chocolate delicacies and the unique charm of Zermatt, St. Moritz, Grindelwald, and Montreux.
• The Taste of Three: Start your 10-day adventure in Belgium, visiting Brussels, Ghent, and Bruges. Ride a high-speed train to Strasbourg and explore Alsace before moving on to Basel, your base for discovering Zermatt, the Matterhorn, and Mount Pilatus in Switzerland.
• Unforgettable Switzerland: Take 11 relaxed days to experience Switzerland’s picturesque scenery, from romantic towns and rural villages to historic buildings. Highlights include Zurich, Lucerne, Interlaken, and Geneva.

Or see our Switzerland itineraries for inspiration.