Click on a day for an hourly weather forecast
The temperatures in Port Douglas in September are comfortable with low of 19°C and and high up to 27°C.
As it is almost never rain during September in Port Douglas the weather is perfect for hanging out outside and exploring all that Port Douglas has to offer.
Our weather forecast can give you a great sense of what weather to expect in Port Douglas in September 2025.
If you’re planning to visit Port Douglas in the near future, we highly recommend that you review the 14 day weather forecast for Port Douglas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 24° | 12 | 20 | 0 | 369 mm | Ok | Port Douglas in January |
| February | 30° / 24° | 9 | 19 | 0 | 256 mm | Ok | Port Douglas in February |
| March | 29° / 23° | 8 | 23 | 0 | 218 mm | Ok | Port Douglas in March |
| April | 28° / 22° | 4 | 26 | 0 | 131 mm | Perfect | Port Douglas in April |
| May | 26° / 20° | 2 | 29 | 0 | 54 mm | Perfect | Port Douglas in May |
| June | 25° / 19° | 1 | 29 | 0 | 44 mm | Perfect | Port Douglas in June |
| July | 24° / 18° | 1 | 30 | 0 | 29 mm | Perfect | Port Douglas in July |
| August | 25° / 18° | 1 | 30 | 0 | 29 mm | Perfect | Port Douglas in August |
| September | 27° / 19° | 0 | 30 | 0 | 25 mm | Perfect | Port Douglas in September |
| October | 29° / 21° | 1 | 30 | 0 | 36 mm | Good | Port Douglas in October |
| November | 30° / 22° | 2 | 28 | 0 | 64 mm | Good | Port Douglas in November |
| December | 31° / 23° | 5 | 26 | 0 | 142 mm | Good | Port Douglas in December |