Click on a day for an hourly weather forecast
The weather in Huatulco in September is very hot. The average temperatures are between 24°C and 29°C, drinking water regularly is advisable.
With more than 22 rainy days, Huatulco is an incredibly wet during September. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!
Our weather forecast can give you a great sense of what weather to expect in Huatulco in September 2025.
If you’re planning to visit Huatulco in the near future, we highly recommend that you review the 14 day weather forecast for Huatulco before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 21° | 0 | 31 | 0 | 11 mm | Good | Huatulco in January |
| February | 30° / 21° | 1 | 28 | 0 | 13 mm | Good | Huatulco in February |
| March | 30° / 22° | 2 | 29 | 0 | 34 mm | Good | Huatulco in March |
| April | 31° / 23° | 4 | 26 | 0 | 61 mm | Good | Huatulco in April |
| May | 31° / 24° | 15 | 16 | 0 | 287 mm | Ok | Huatulco in May |
| June | 29° / 23° | 21 | 9 | 0 | 576 mm | Ok | Huatulco in June |
| July | 30° / 23° | 23 | 8 | 0 | 420 mm | Ok | Huatulco in July |
| August | 30° / 24° | 25 | 6 | 0 | 552 mm | Ok | Huatulco in August |
| September | 29° / 24° | 24 | 6 | 0 | 625 mm | Ok | Huatulco in September |
| October | 29° / 23° | 18 | 13 | 0 | 341 mm | Ok | Huatulco in October |
| November | 30° / 23° | 4 | 26 | 0 | 75 mm | Good | Huatulco in November |
| December | 29° / 22° | 1 | 30 | 0 | 15 mm | Good | Huatulco in December |