The temperatures in Trentino Alto Adige in September are quite cold with temperatures between 8°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Trentino Alto Adige. 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 Trentino Alto Adige in September 2025.
If you’re planning to visit Trentino Alto Adige in the near future, we highly recommend that you review the 14 day weather forecast for Trentino Alto Adige before you arrive.
Temperatures
18° / 8°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
173
mm
Sun Hours
11.2
Hrs
