Click on a day for an hourly weather forecast
The temperatures in Geraldton in September are comfortable with low of 13°C and and high up to 21°C.
The wather in Geraldton in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Geraldton in September 2025.
If you’re planning to visit Geraldton in the near future, we highly recommend that you review the 14 day weather forecast for Geraldton before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 30° / 22° | 2 | 29 | 0 | 43 mm | Good | Geraldton in January |
| February | 31° / 23° | 2 | 27 | 0 | 30 mm | Good | Geraldton in February |
| March | 30° / 22° | 1 | 30 | 0 | 20 mm | Good | Geraldton in March |
| April | 27° / 20° | 1 | 29 | 0 | 25 mm | Perfect | Geraldton in April |
| May | 23° / 17° | 2 | 29 | 0 | 48 mm | Perfect | Geraldton in May |
| June | 20° / 15° | 4 | 26 | 0 | 83 mm | Good | Geraldton in June |
| July | 19° / 13° | 4 | 27 | 0 | 93 mm | Good | Geraldton in July |
| August | 19° / 13° | 3 | 28 | 0 | 67 mm | Good | Geraldton in August |
| September | 21° / 13° | 1 | 29 | 0 | 30 mm | Good | Geraldton in September |
| October | 23° / 15° | 1 | 30 | 0 | 18 mm | Perfect | Geraldton in October |
| November | 26° / 18° | 1 | 29 | 0 | 19 mm | Perfect | Geraldton in November |
| December | 28° / 20° | 1 | 30 | 0 | 18 mm | Perfect | Geraldton in December |