Click on a day for an hourly weather forecast
The weather in Death Valley in September is hot. The average temperatures are between 21°C and 30°C.
There shouldn't be any rainy days in in Death Valley during September. Having said that, the days are very hot in September so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in Death Valley in September 2025.
If you’re planning to visit Death Valley in the near future, we highly recommend that you review the 14 day weather forecast for Death Valley before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 3° | 2 | 28 | 0 | 25 mm | Ok | Death Valley in January |
| February | 12° / 4° | 2 | 26 | 1 | 27 mm | Ok | Death Valley in February |
| March | 16° / 8° | 1 | 30 | 0 | 17 mm | Good | Death Valley in March |
| April | 21° / 12° | 1 | 29 | 0 | 12 mm | Good | Death Valley in April |
| May | 25° / 16° | 1 | 30 | 0 | 7 mm | Perfect | Death Valley in May |
| June | 32° / 22° | 0 | 30 | 0 | 4 mm | Good | Death Valley in June |
| July | 34° / 26° | 1 | 30 | 0 | 31 mm | Ok | Death Valley in July |
| August | 34° / 25° | 1 | 30 | 0 | 19 mm | Ok | Death Valley in August |
| September | 30° / 21° | 0 | 30 | 0 | 9 mm | Good | Death Valley in September |
| October | 22° / 14° | 1 | 30 | 0 | 21 mm | Good | Death Valley in October |
| November | 16° / 7° | 1 | 29 | 0 | 12 mm | Good | Death Valley in November |
| December | 10° / 2° | 2 | 29 | 0 | 28 mm | Ok | Death Valley in December |