September · Switzerland
Best time to visit Zermatt in September Weather, crowds & prices
Weather in Zermatt in September
Average temperature 9°C, 77 mm of rain, about 25 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
1.7/10
Ranked #11 of 12 months
- Avg temp
- 9°C
- Rainfall
- 77 mm
- Humidity
- 82%
- Days with 6h+ sun
- 25
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Zermatt scores 1.7/10 for snow and ski travel - ranked #11 of 12. Expect around 9°C, 77 mm of rain, and roughly 25 days with 6+ hours of sunshine this month.
Beneath the Matterhorn, Zermatt runs as a car-free village with glacier skiing and a dense network of hiking trails.
September in Zermatt — off-season conditions
Expect 9°C (49°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 77 mm of rain this month — a flexible day or two helps — with about 25 days with 6+ hours of sunshine and 12.5 hours of daylight to work around it.
That is 1.7/10 on the same scale — 11th of 12 months, versus 9.5/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, January is materially better in Zermatt — 7.8 points higher on the same scale.
Frequently asked
- What is the weather like in Zermatt in September?
- In September, Zermatt averages 9°C, 77 mm of rain, and about 25 days with 6+ hours of sunshine. Its climate-comfort score is 1.7/10.
- Is September a good time to visit Zermatt?
- September earns a 1.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Zermatt in September?
- Expect about 77 mm of rain in September. Average humidity is 82% and there are about 25 days with 6+ hours of sunshine.
Curated in Zermatt
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Things to do in Zermatt
Zermatt, Switzerland. Live activities and tours from GetYourGuide, matched to this destination.