Click on a day for an hourly weather forecast
The weather in Guayas in September is hot. The average temperatures are between 20°C and 32°C.
You can expect a few rainy days in Guayas during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in Guayas in September 2025.
If you’re planning to visit Guayas in the near future, we highly recommend that you review the 14 day weather forecast for Guayas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 22° | 17 | 14 | 0 | 504 mm | Ok | Guayas in January |
| February | 29° / 22° | 17 | 11 | 0 | 677 mm | Ok | Guayas in February |
| March | 30° / 22° | 18 | 14 | 0 | 724 mm | Ok | Guayas in March |
| April | 30° / 22° | 14 | 17 | 0 | 484 mm | Ok | Guayas in April |
| May | 29° / 22° | 12 | 19 | 0 | 325 mm | Ok | Guayas in May |
| June | 29° / 21° | 5 | 25 | 0 | 133 mm | Good | Guayas in June |
| July | 29° / 21° | 2 | 29 | 0 | 79 mm | Good | Guayas in July |
| August | 31° / 20° | 1 | 30 | 0 | 59 mm | Good | Guayas in August |
| September | 32° / 20° | 2 | 28 | 0 | 69 mm | Good | Guayas in September |
| October | 33° / 21° | 3 | 28 | 0 | 75 mm | Good | Guayas in October |
| November | 33° / 21° | 2 | 28 | 0 | 59 mm | Good | Guayas in November |
| December | 31° / 22° | 8 | 23 | 0 | 203 mm | Ok | Guayas in December |