Click on a day for an hourly weather forecast
The weather in Uyuni in September is very cold with temperatures between 3°C and 16°C, warm clothes are a must.
There is little to no rain in Uyuni during September, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Please note that Uyuni can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Uyuni in September 2025.
If you’re planning to visit Uyuni in the near future, we highly recommend that you review the 14 day weather forecast for Uyuni before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 9° | 11 | 20 | 0 | 210 mm | Ok | Uyuni in January |
| February | 17° / 9° | 11 | 17 | 0 | 179 mm | Ok | Uyuni in February |
| March | 18° / 8° | 6 | 25 | 0 | 90 mm | Good | Uyuni in March |
| April | 16° / 6° | 2 | 28 | 0 | 28 mm | Good | Uyuni in April |
| May | 13° / 2° | 0 | 30 | 0 | 6 mm | Ok | Uyuni in May |
| June | 11° / 0° | 0 | 29 | 0 | 1 mm | Ok | Uyuni in June |
| July | 11° / -1° | 0 | 30 | 1 | 4 mm | Ok | Uyuni in July |
| August | 13° / 0° | 0 | 31 | 0 | 2 mm | Ok | Uyuni in August |
| September | 16° / 3° | 0 | 29 | 1 | 8 mm | Good | Uyuni in September |
| October | 18° / 5° | 1 | 30 | 0 | 22 mm | Good | Uyuni in October |
| November | 19° / 7° | 2 | 28 | 0 | 37 mm | Good | Uyuni in November |
| December | 19° / 9° | 6 | 25 | 0 | 140 mm | Good | Uyuni in December |