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The temperatures in Atacama in September are quite cold with temperatures between 8°C and 20°C, warm clothes are a must.
The wather in Atacama 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 Atacama in September 2025.
If you’re planning to visit Atacama in the near future, we highly recommend that you review the 14 day weather forecast for Atacama before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 28° / 14° | 0 | 31 | 0 | 3 mm | Perfect | Atacama in January |
| February | 27° / 14° | 0 | 28 | 0 | 2 mm | Perfect | Atacama in February |
| March | 26° / 12° | 0 | 31 | 0 | 2 mm | Perfect | Atacama in March |
| April | 24° / 10° | 0 | 30 | 0 | 7 mm | Perfect | Atacama in April |
| May | 21° / 8° | 2 | 29 | 0 | 69 mm | Good | Atacama in May |
| June | 18° / 6° | 4 | 26 | 0 | 136 mm | Good | Atacama in June |
| July | 17° / 5° | 2 | 29 | 0 | 76 mm | Good | Atacama in July |
| August | 19° / 7° | 3 | 28 | 0 | 86 mm | Good | Atacama in August |
| September | 20° / 8° | 1 | 29 | 0 | 36 mm | Good | Atacama in September |
| October | 22° / 10° | 1 | 30 | 0 | 32 mm | Good | Atacama in October |
| November | 25° / 12° | 0 | 30 | 0 | 7 mm | Perfect | Atacama in November |
| December | 26° / 13° | 0 | 31 | 0 | 9 mm | Perfect | Atacama in December |