Click on a day for an hourly weather forecast
The temperatures in Margaret River in September are usually low and can range between 12°C and 17°C.
You can expect about 3 to 8 days of rain in Margaret River during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Margaret River in September 2025.
If you’re planning to visit Margaret River in the near future, we highly recommend that you review the 14 day weather forecast for Margaret River before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 24° / 17° | 1 | 30 | 0 | 27 mm | Perfect | Margaret River in January |
| February | 24° / 17° | 1 | 27 | 0 | 28 mm | Perfect | Margaret River in February |
| March | 23° / 17° | 1 | 30 | 0 | 34 mm | Perfect | Margaret River in March |
| April | 21° / 16° | 2 | 28 | 0 | 55 mm | Good | Margaret River in April |
| May | 19° / 14° | 6 | 25 | 0 | 141 mm | Good | Margaret River in May |
| June | 17° / 13° | 7 | 23 | 0 | 186 mm | Ok | Margaret River in June |
| July | 16° / 12° | 10 | 21 | 0 | 209 mm | Ok | Margaret River in July |
| August | 16° / 12° | 7 | 24 | 0 | 178 mm | Ok | Margaret River in August |
| September | 17° / 12° | 5 | 25 | 0 | 108 mm | Good | Margaret River in September |
| October | 18° / 13° | 3 | 28 | 0 | 51 mm | Good | Margaret River in October |
| November | 20° / 14° | 2 | 28 | 0 | 45 mm | Good | Margaret River in November |
| December | 22° / 15° | 2 | 29 | 0 | 28 mm | Good | Margaret River in December |