Click on a day for an hourly weather forecast
The weather in Trient in September is very cold with temperatures between 3°C and 15°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Trient. 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 Trient in September 2026.
If you’re planning to visit Trient in the near future, we highly recommend that you review the 14 day weather forecast for Trient before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -12° | 7 | 6 | 18 | 279 mm | Awful | Trient in January |
| February | 0° / -12° | 8 | 5 | 18 | 207 mm | Awful | Trient in February |
| March | 2° / -8° | 10 | 7 | 15 | 230 mm | Awful | Trient in March |
| April | 7° / -4° | 14 | 8 | 8 | 228 mm | Awful | Trient in April |
| May | 11° / 0° | 20 | 8 | 3 | 408 mm | Awful | Trient in May |
| June | 16° / 4° | 19 | 11 | 0 | 366 mm | Ok | Trient in June |
| July | 18° / 6° | 17 | 14 | 0 | 349 mm | Ok | Trient in July |
| August | 18° / 6° | 15 | 16 | 0 | 308 mm | Ok | Trient in August |
| September | 15° / 3° | 14 | 16 | 0 | 193 mm | Ok | Trient in September |
| October | 10° / -1° | 9 | 19 | 3 | 164 mm | Awful | Trient in October |
| November | 5° / -5° | 9 | 12 | 10 | 233 mm | Awful | Trient in November |
| December | 0° / -10° | 7 | 9 | 15 | 272 mm | Awful | Trient in December |