The weather in Arosa in September is very cold with temperatures between 2°C and 15°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Arosa. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Arosa can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Arosa in September 2024.
If you’re planning to visit Arosa in the near future, we highly recommend that you review the 14 day weather forecast for Arosa before you arrive.
Temperatures
15° / 2°
Rainy Days
10
Snowy Days
2
Dry Days
18
Rainfall
115
mm
Sun Hours
10.7
Hrs
