Month guide · Interlaken · Switzerland
Interlaken in September
What September is really like in Interlaken: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: Ximonic (Simo Räsänen), CC BY-SA 3.0
Quick answer
September is one of the best months to visit Interlaken. Expect average highs of 19°C (66°F), lows of 9°C (48°F), about 10 rainy days and roughly 12.5 hours of daylight. Often the clearest month for mountain views, with fewer crowds and cows returning from the high pastures.
Key facts
- Average high / low
- 19°C (66°F) / 9°C (48°F)
- Rainy days
- About 10
- Daylight
- About 12.5 hours
- Crowds
- Busy
- Hotel prices
- High
Weather in September
September is the 4th-warmest month in Interlaken: days average 19°C (66°F) against a yearly average high of 13°C (55°F), and nights fall to about 9°C (48°F). Rain falls on roughly 10 of its 30 days. Compared with August (23°C (73°F)), September is cooler; by October highs drop to around 13°C (55°F).
- Sunrise (15 September)
- About 07:06
- Sunset (15 September)
- About 19:41
- Daylight
- About 12.5 hours
Autumn (September–November). Clear September days and autumn colour in October; by November most lifts and many hotels close for the off-season.
Crowds and prices
On a 1–5 scale, September rates 4 for crowds (the peak is July at 5) and 4 for hotel prices (highest in July). Book accommodation early: September is one of the pricier months.
Events in September
- Jungfrau Marathon from Interlaken to Kleine Scheidegg (usually September)
- Alpine cattle descents in villages (late September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Nature · Lauterbrunnen
Lauterbrunnen and Staubbach Falls
Walk the flat valley path south towards Trümmelbach and Stechelberg for the best views of the falls.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Iconic
- Nature
- Photo spot
- Outdoors
Viewpoint · Mürren
Schilthorn and Piz Gloria
Cable cars from Stechelberg via Mürren climb to the Schilthorn at about 2,970 metres, where the revolving Piz Gloria restaurant featured in the 1969 James Bond film On Her Majesty's Secret Service.
- Time needed
- Half a day
- Cost
- Expensive
- Views
- Iconic
- Photo spot
Park · Town centre
Höhematte
Sit on the benches at the eastern end in the late afternoon to watch paragliders spiral down.
- Time needed
- 30–60 minutes
- Cost
- Free
- Free
- Views
- Outdoors
- Kids
Experience · Grindelwald
Grindelwald First
A gondola climbs from Grindelwald to First at about 2,170 metres, where a cliff walkway clings to the rock face.
- Time needed
- Half a day to a full day
- Cost
- Expensive
- Kids
- Active
- Views
- Outdoors
What to pack
For highs near 19°C, lows near 9°C and 10 wet days: layers, a warm sweater and a jacket for cool evenings; a packable rain jacket for showers; comfortable walking shoes.
Is September a good time to visit Interlaken?
One of the best months to visit Interlaken, with 2 notable events on the calendar. The other best months are June–August. Compare every month.
Interlaken in other months
Questions travellers ask
+Is September a good time to visit Interlaken?
It is one of the best months to visit Interlaken. Often the clearest month for mountain views, with fewer crowds and cows returning from the high pastures.
+How warm is Interlaken in September?
Average highs are around 19°C (66°F) and lows around 9°C (48°F).
+Does it rain a lot in Interlaken in September?
Expect rain on about 10 days of the month.