Click on a day for an hourly weather forecast
The temperatures in Mackay in September are comfortable with low of 19°C and and high up to 24°C.
You can expect a few rainy days in Mackay 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 Mackay in September 2025.
If you’re planning to visit Mackay in the near future, we highly recommend that you review the 14 day weather forecast for Mackay before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 28° / 25° | 8 | 23 | 0 | 307 mm | Good | Mackay in January |
| February | 28° / 25° | 9 | 20 | 0 | 308 mm | Good | Mackay in February |
| March | 28° / 24° | 9 | 22 | 0 | 383 mm | Good | Mackay in March |
| April | 26° / 22° | 4 | 26 | 0 | 156 mm | Perfect | Mackay in April |
| May | 24° / 20° | 3 | 28 | 0 | 106 mm | Perfect | Mackay in May |
| June | 22° / 17° | 1 | 29 | 0 | 56 mm | Good | Mackay in June |
| July | 21° / 17° | 2 | 29 | 0 | 63 mm | Good | Mackay in July |
| August | 22° / 17° | 1 | 30 | 0 | 42 mm | Good | Mackay in August |
| September | 24° / 19° | 1 | 29 | 0 | 26 mm | Perfect | Mackay in September |
| October | 26° / 21° | 1 | 30 | 0 | 50 mm | Perfect | Mackay in October |
| November | 27° / 23° | 3 | 27 | 0 | 82 mm | Perfect | Mackay in November |
| December | 28° / 24° | 5 | 26 | 0 | 189 mm | Perfect | Mackay in December |