The weather in Ilanz in September is very cold with temperatures between 2°C and 16°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Ilanz. 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.
Our weather forecast can give you a great sense of what weather to expect in Ilanz in September 2026.
If you’re planning to visit Ilanz in the near future, we highly recommend that you review the 14 day weather forecast for Ilanz before you arrive.
Temperatures
16° / 2°
Rainy Days
11
Snowy Days
0
Dry Days
19
Rainfall
123
mm
Sun Hours
10.8
Hrs
