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Saas-Fee Weather in September
In Saas-Fee, September brings moderate daytime temperatures around 12°C (54°F), with nights cooling to 2°C (36°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Saas-Fee in September
Saas-Fee is in the rainy season in September, with rain on around 16 days and an average of 180 mm (7.1 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Saas-Fee in September
If you're visiting Saas-Fee in September, expect highs of 12°C (54°F) and overnight lows around 2°C (36°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Saas-Fee in September
The area enjoys a moderate level of sunlight, with around 166 hours. It's a good balance between sunny and rainy days.For more travel ideas, our weather planner can help you explore destinations around the world.
Saas-Fee Temperature in September
Min Temperature
2°C (36°F)
Max Temperature
12°C (54°F)
Chance of Rain
52%
Precipitation
180 mm (7.1 in)
Rainy days
16 days
Humidity
70% *
Sunshine
166 hours *
Percentage Sunshine
69% *
* Data from: Zermatt, Switzerland (16 KM, 10 Miles).
Saas-Fee Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saas-Fee - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saas-Fee typically drop from around 20°C (68°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Saas-Fee in September
Browse day-by-day weather records for Saas-Fee spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saas-Fee historical weather extremes in September
Based on weather observations in Saas-Fee between 1982 and 2025, these are the recorded extremes during September.
- Saas-Fee recorded its highest September temperature of 30°C (86°F) on September 6, 1988.
- Saas-Fee experienced its chilliest September day on September 26, 2020, reaching only 4°C (39°F).
- Nighttime temperatures dropped to -12°C (10°F) on September 29, 1995, marking the coldest September night on record.
- The heaviest September precipitation occurred on September 27, 1991, when 34 mm (1.3 in) of precipitation fell.
Best Places in Switzerland in September
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Saas-Fee in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Saas-Fee in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports5/10
Saas-Fee 3-Day Forecast
More climate data for Saas-Fee
Temperature Rainfall Sunshine Humidity
See the full Saas-Fee climate overview or explore weather in Switzerland.
Popular in September
Where to go in September - average daytime high across popular destinations.
Zürich
20°C (68°F) Crans-Montana15°C (59°F) Engelberg
15°C (59°F) Nendaz15°C (59°F) Saas-Fee12°C (54°F) Davos13°C (55°F) Grindelwald13°C (55°F) Zermatt11°C (52°F) Bucket list
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The 5 most scenic train journeys in Switzerland
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