Müstair Weather in September

September in Müstair averages 11°C (52°F) during the day and 1°C (34°F) at night. Quite a bit of rainfall is typical this month, with around 88 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in Müstair in September

Records from the past 30 years suggest around 15 days of rain, with 88 mm (3.5 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Müstair in September

Daytime temperatures in Müstair reach 11°C (52°F) in September, dropping to 1°C (34°F) at night. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Müstair in September

You can expect a moderate amount of sunlight, with approximately 156 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Müstair.