Click on a day for an hourly weather forecast
The temperatures in Bariloche in September are quite cold with temperatures between 8°C and 19°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Bariloche during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Bariloche in September 2025.
If you’re planning to visit Bariloche in the near future, we highly recommend that you review the 14 day weather forecast for Bariloche before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 17° | 3 | 28 | 0 | 93 mm | Good | Bariloche in January |
| February | 31° / 16° | 3 | 25 | 0 | 69 mm | Good | Bariloche in February |
| March | 28° / 14° | 4 | 28 | 0 | 82 mm | Perfect | Bariloche in March |
| April | 23° / 12° | 3 | 27 | 0 | 83 mm | Perfect | Bariloche in April |
| May | 18° / 9° | 3 | 28 | 0 | 62 mm | Good | Bariloche in May |
| June | 14° / 7° | 2 | 28 | 0 | 27 mm | Good | Bariloche in June |
| July | 14° / 5° | 2 | 29 | 0 | 34 mm | Good | Bariloche in July |
| August | 17° / 7° | 2 | 29 | 0 | 44 mm | Good | Bariloche in August |
| September | 19° / 8° | 4 | 26 | 0 | 81 mm | Good | Bariloche in September |
| October | 22° / 10° | 5 | 26 | 0 | 120 mm | Good | Bariloche in October |
| November | 27° / 13° | 5 | 25 | 0 | 113 mm | Perfect | Bariloche in November |
| December | 31° / 16° | 4 | 27 | 0 | 95 mm | Good | Bariloche in December |