September Rainfall and Precipitation in Grisons
Average rainfall, rainy days and the driest cities in Grisons, Switzerland in September.
Select a Month
Check the conditions for any month of the year.
Best Places to Visit in Grisons in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Grisons.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
Grisons precipitation in September: frequently asked questions
How much rainfall does Grisons, Switzerland receive in September?
September in Davos is marked by substantial rain, totaling an average of 129 mm (5.1 in). Rapid weather changes are common due to the frequent precipitation.
How many days does it rain in Grisons, Switzerland in September?
Rainfall in Davos typically falls on roughly 15 days days in September.
Is September part of the rainy season in Grisons, Switzerland?
Not really. September is outside the wettest stretch of the year in Grisons, Switzerland.
What is the wettest city in September in Grisons, Switzerland?
In our database, Sedrun stands out as having an average rainfall level of 172 mm (6.8 in), making it the wettest location.
What is the driest city in September in Grisons, Switzerland?
The driest place is Sta Maria Val Müstair with an average rainfall of 88 mm (3.5 in) according to our data.
Interested in more climate information?
We have much more information about the climate in Grisons.
Weather and climate has detailed information for every country in the world. Are you going to Switzerland? Get detailed 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.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
You'll love this Mountain roller coaster
Hotel Oeschinensee’s mountain coaster is a summer toboggan that you want to add to your bucket list. You'll get in your cart, sit down and fly across the track while enjoying the beautiful mountain scenery around you.
The Verzasca Valley
You can visit the Verzasca Valley in any season. It's an amazing place for swimming and it is a paradise for hikers. A must see for the bucket list.
Balloon at Chateau D'oex
If you are looking for a special place to visit in Europe in January we recommend visiting the annual balloon festival in Château-d'Oex, Switzerland.