Click on a day for an hourly weather forecast
The weather in Puerto Vallarta in September is hot. The average temperatures are between 20°C and 31°C.
There’s going to be many days of rain during the month of September in Puerto Vallarta.
Puerto Vallarta should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Puerto Vallarta in September 2025.
If you’re planning to visit Puerto Vallarta in the near future, we highly recommend that you review the 14 day weather forecast for Puerto Vallarta before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 15° | 2 | 29 | 0 | 35 mm | Good | Puerto Vallarta in January |
| February | 29° / 15° | 2 | 27 | 0 | 33 mm | Good | Puerto Vallarta in February |
| March | 31° / 16° | 0 | 31 | 0 | 12 mm | Good | Puerto Vallarta in March |
| April | 32° / 17° | 0 | 30 | 0 | 4 mm | Good | Puerto Vallarta in April |
| May | 33° / 19° | 2 | 29 | 0 | 31 mm | Good | Puerto Vallarta in May |
| June | 32° / 21° | 11 | 19 | 0 | 191 mm | Ok | Puerto Vallarta in June |
| July | 31° / 20° | 20 | 11 | 0 | 366 mm | Ok | Puerto Vallarta in July |
| August | 31° / 20° | 25 | 6 | 0 | 418 mm | Ok | Puerto Vallarta in August |
| September | 31° / 20° | 20 | 10 | 0 | 404 mm | Ok | Puerto Vallarta in September |
| October | 31° / 20° | 13 | 18 | 0 | 276 mm | Ok | Puerto Vallarta in October |
| November | 31° / 18° | 3 | 27 | 0 | 81 mm | Good | Puerto Vallarta in November |
| December | 29° / 16° | 2 | 29 | 0 | 65 mm | Good | Puerto Vallarta in December |