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Silvaplana Weather in September

September in Silvaplana brings moderate temperatures, with daytime highs of 12°C (54°F) and nights around 2°C (36°F). Quite a bit of rainfall is expected, around 124 mm (4.9 in), so pack an umbrella.

Rainfall in Silvaplana in September

You can typically expect 15 days of rain this month, averaging around 124 mm (4.9 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Silvaplana in September

September in Silvaplana sees highs of 12°C (54°F) and lows of 2°C (36°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 2°C (36°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Silvaplana in September

The city usually sees around 156 hours of sunlight, indicating a moderately sunny period.

September in Silvaplana has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

Select a Month

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 Silvaplana's climate page.

Silvaplana Temperature in September

Min TemperatureMin Temperature 2°C (36°F)  
Max TemperatureMax Temperature 12°C (54°F)  
Chance of RainChance of Rain 51%  
PrecipitationPrecipitation 124 mm (4.9 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 76% *  
SunshineSunshine 156 hours *  
Percentage SunshinePercentage Sunshine 58% *  
* Data from: Saint Moritz, Switzerland (7 KM, 4 Miles).

Daily Historical Temperatures

49-year average (1976-2024)

Based on our historical records, temperatures in Silvaplana typically stay consistent throughout September, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 2°C (36°F).

Average temperatures in September

Daily Historical Precipitation

49-year average (1976-2024)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

Historical weather for Silvaplana in September

Browse day-by-day weather records for Silvaplana spanning 50 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Silvaplana historical weather extremes in September

Based on 48 years of weather observations in Silvaplana between 1976 and 2024, these are the recorded extremes.

  • On September 7, 1977, temperatures climbed to 24°C (75°F), marking the warmest September day on record.
  • Nighttime temperatures dropped to -11°C (12°F) on September 29, 1995, marking the coldest September night on record.
  • The wettest September day on record brought 69 mm (2.7 in) of precipitation to Silvaplana (September 19, 2011).

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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 Silvaplana 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Silvaplana in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
5/10

Select a Month

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 Silvaplana's climate page.

More climate data for Silvaplana