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.