Early autumn · Weather & things to do
Andermatt in September
Andermatt cools off: highs slip to 54°F (12°C), from 61°F in August, with lows of 38°F (3°C) and about 4.7 in (120 mm) of rain.
It scores 62/100 for comfort, 4th of 12, which makes it a solid shoulder-season month.
- Avg high
- 54°F (12°C)
- Avg low
- 38°F (3°C)
- Rain
- 4.7 in (120 mm)
- Humidity
- 82%
- Cloud cover
- 65%
- Daylight
- ~12 h 19 min
- Comfort score
- 62/100 · Good
What September feels like
It's cool, with highs near 54°F (12°C), so a proper jacket stays on most of the day.
Lows average 38°F (3°C).
Expect regular rain: about 4.7 in (120 mm) falls in the month.
Plan around September
September is shoulder season: good weather, a step below the best months (July & August).
- Comfort slips from 67/100 in August to 62/100.
- Our Zermatt, Andermatt & St. Moritz route recommends Dec – Mar, so September falls outside its suggested window.
What to pack for September
- Insulated jackethighs only 54°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Andermatt in September
With conditions on your side, the picks below favor time outside.
Gemsstock
Cable cars climb from the village to 2,961 m, serving steep north-facing runs and a viewing platform over the Alps.
Why now September scores 62/100 for comfort, good conditions for being outside.
Andermatt station
Matterhorn Gotthard Bahn station where the Glacier Express stops between Zermatt and the Oberalp climb.
Urseren cross-country trails
Groomed cross-country ski trails run along the flat floor of the Urseren valley from Andermatt toward Hospental and Realp.
Why now Highs near 54°F and 4.7 in of monthly rain make this an easy outdoor pick.
Oberalp Pass
Pass at 2,044 m between Uri and Graubünden; the road shuts in winter but trains keep running through the snow.
Why now One to do outside while the weather is on your side.
Nearby in September
- Lucerne in September~33 mi · highs 68°F, 4.0 in rain · 8°C (14°F) warmer by day, drier
- Interlaken in September~34 mi · highs 69°F, 4.2 in rain · 8°C (15°F) warmer by day, about as wet
- Zurich in September~53 mi · highs 67°F, 4.1 in rain · 7°C (13°F) warmer by day, drier
- Zermatt in September~57 mi · highs 58°F, 2.7 in rain · 2°C (4°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Andermatt in September: quick answers
Is September a good time to visit Andermatt?
It's a good shoulder-season choice, scoring 62/100 against a best of 71 in July & August. Expect highs of 54°F (12°C) and 4.7 in (120 mm) of rain. Our Zermatt, Andermatt & St. Moritz route recommends Dec – Mar, so September is outside its suggested window.
How cold is Andermatt in September?
Average highs are 54°F (12°C) and average lows 38°F (3°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Andermatt in September?
Yes: about 4.7 in (120 mm) of rain falls across September on average, the 6th-driest month of the year. The annual total is about 57.6 in (1464 mm).
What should I pack for Andermatt in September?
Bring insulated jacket (highs only 54°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Planning Andermatt in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.