St. Moritz weather in September (Grisons, Switzerland)
Wondering what the weather is like in St. Moritz during September? This guide provides the necessary weather information for your travel plans.
Temperatures
In September, St. Moritz tends to experience low temperatures and high rainfall. The temperature during the day can rise to approximately 11°C. At night, it falls to around 2°C.
Precipitation
St. Moritz in September usually receives high rainfall, averaging around 118 mm for the month. Historically, the month has about 15 days of rain.Average sunshine
Expect a moderate amount of sunlight, with approximately 156 hours. This means a pleasant mix of sun and clouds.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit St. Moritz. July and August typically offer the best circumstances. While January, February, March, April, May, June, September, October, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized St. Moritz climate page with graphs.
St. Moritz, monthly averages in September
Min Temperature
2°C
Max Temperature
11°C
Chance of Rain
51%
Precipitation
118 mm
Rainy days
15 days
Humidity
76% *
Sunshine
156 hours *
Percentage Sunshine
58% *
Where to go in Switzerland in September
Find out more about the weather in Switzerland and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in St. Moritz.
Our site offers climate and forecast data for every country in the world. Are you going to Switzerland? On this website you can find historical weather averages for many cities in Switzerland. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
