Pontresina Weather in September
With daytime temperatures of 12°C (54°F) and nighttime lows of 2°C (36°F), September in Pontresina brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 112 mm (4.4 in) falls on average.
Rainfall in Pontresina in September
Past climate data indicates that roughly 16 days will see rain, totalling around 112 mm (4.4 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 Pontresina in September
In September, Pontresina sees low temperatures, with highs of 12°C (54°F). Nights drop to around 2°C (36°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Pontresina in September
With about 156 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.September in Pontresina has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Pontresina's climate page.
Pontresina Temperature in September
Min Temperature
2°C (36°F)
Max Temperature
12°C (54°F)
Chance of Rain
52%
Precipitation
112 mm (4.4 in)
Rainy days
16 days
Humidity
76% *
Sunshine
156 hours *
Percentage Sunshine
58% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Pontresina typically stay consistent throughout September, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 1°C (34°F) to 4°C (39°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 Pontresina in September
Browse day-by-day weather records for Pontresina spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Pontresina historical weather extremes in September
According to our 49 years of weather records for Pontresina, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 15, 1987, with a maximum of 28°C (82°F).
- The coldest September day was on September 26, 2020, with a maximum of 0°C (32°F).
- The lowest overnight temperature recorded in September was -9°C (16°F) (September 30, 1995).
- The heaviest September precipitation occurred on September 18, 2011, when 46 mm (1.8 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
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What to Wear in Pontresina in September
Pack for changing conditions in Pontresina in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Pontresina 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 Pontresina's climate page.
Temperature Rainfall Sunshine Humidity
See the full Pontresina climate overview or explore weather in Switzerland.
