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.

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For a detailed overview over the year and the best time to visit Switzerland, check out our Müstair's climate page.

Müstair Temperature in September

Min Temperature 1°C (34°F)  

Max Temperature 11°C (52°F)  

Chance of Rain 50%  

Precipitation 88 mm (3.5 in)  

Rainy days 15 days  

Humidity 76% *  

Sunshine 156 hours *  

Percentage Sunshine 58% *  

* Data from: Saint Moritz, Switzerland (47 KM, 29 Miles).

What to Wear in Müstair 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 Müstair in September

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Switzerland, check out our Müstair's climate page.

More climate data for Müstair

Temperature Rainfall Sunshine Humidity

See the full Müstair climate overview or explore weather in Switzerland.