Click on a day for an hourly weather forecast
The temperatures in Salta in September are comfortable with low of 11°C and and high up to 25°C.
The wather in Salta in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Salta in September 2025.
If you’re planning to visit Salta in the near future, we highly recommend that you review the 14 day weather forecast for Salta before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 17° | 15 | 16 | 0 | 460 mm | Ok | Salta in January |
| February | 28° / 16° | 13 | 15 | 0 | 404 mm | Good | Salta in February |
| March | 26° / 14° | 12 | 19 | 0 | 257 mm | Good | Salta in March |
| April | 24° / 13° | 9 | 22 | 0 | 136 mm | Good | Salta in April |
| May | 20° / 9° | 3 | 28 | 0 | 52 mm | Good | Salta in May |
| June | 19° / 7° | 2 | 28 | 0 | 23 mm | Good | Salta in June |
| July | 19° / 6° | 1 | 29 | 1 | 14 mm | Good | Salta in July |
| August | 22° / 8° | 1 | 30 | 0 | 9 mm | Good | Salta in August |
| September | 25° / 11° | 2 | 28 | 0 | 34 mm | Perfect | Salta in September |
| October | 27° / 13° | 6 | 25 | 0 | 130 mm | Perfect | Salta in October |
| November | 28° / 15° | 10 | 20 | 0 | 234 mm | Good | Salta in November |
| December | 29° / 17° | 13 | 18 | 0 | 354 mm | Ok | Salta in December |