Sils Maria Weather in September
September in Sils Maria brings moderate temperatures, with highs of 12°C (54°F) and nights dropping to 3°C (37°F). Rainfall is on the higher side this month, averaging around 126 mm (5 in), so keep a rain jacket handy.
Rainfall in Sils Maria in September
On average, there are about 15 days with rain during this month, averaging 126 mm (5 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 Sils Maria in September
September in Sils Maria brings moderate temperatures, with highs of 12°C (54°F) and nights around 3°C (37°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Sils Maria in September
The month experiences a moderate amount of sunlight, with 156 hours of sunshine. This provides a nice balance between sunshine and clouds.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 Sils Maria.
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 Sils Maria's climate page.
Sils Maria Temperature in September
Min Temperature
3°C (37°F)
Max Temperature
12°C (54°F)
Chance of Rain
51%
Precipitation
126 mm (5 in)
Rainy days
15 days
Humidity
76% *
Sunshine
156 hours *
Percentage Sunshine
58% *
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 →
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What to Wear in Sils Maria 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Sils Maria 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 Sils Maria's climate page.
Temperature Rainfall Sunshine Humidity
See the full Sils Maria climate overview or explore weather in Switzerland.
