Samnaun Weather in September
Samnaun in September averages 12°C (54°F) during the day and 2°C (36°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Samnaun in September
Past climate data indicates that roughly 15 days will see rain, totalling around 119 mm (4.7 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Samnaun in September
In September, Samnaun gets moderate temperatures, with highs of 12°C (54°F). Nights cool to around 2°C (36°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Samnaun.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Samnaun's climate page.
Samnaun Temperature in September
Min Temperature
2°C (36°F)
Max Temperature
12°C (54°F)
Chance of Rain
51%
Precipitation
119 mm (4.7 in)
Rainy days
15 days
Humidity
50% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Samnaun typically stay consistent throughout September, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 5°C (41°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 for Samnaun in September
Browse day-by-day weather records for Samnaun spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Samnaun historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Samnaun.
- The warmest day in September was on September 17, 1987, with a maximum of 30°C (86°F).
- On September 26, 2020, Samnaun saw its coldest September day with temperatures maxing out at -3°C (27°F).
- Samnaun registered its coldest September night on September 19, 1977, with temperatures dropping to -11°C (12°F).
- The wettest September day on record brought 39 mm (1.5 in) of precipitation to Samnaun (September 25, 2020).
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
What to Wear in Samnaun in September
The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Samnaun in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Samnaun's climate page.
See the full Samnaun climate overview or explore weather in Switzerland.
