Click on a day for an hourly weather forecast
The temperatures in Parramatta in September are comfortable with low of 12°C and and high up to 22°C.
The wather in Parramatta 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 Parramatta in September 2025.
If you’re planning to visit Parramatta in the near future, we highly recommend that you review the 14 day weather forecast for Parramatta before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 19° | 4 | 27 | 0 | 105 mm | Good | Parramatta in January |
| February | 28° / 19° | 5 | 23 | 0 | 129 mm | Perfect | Parramatta in February |
| March | 26° / 18° | 4 | 27 | 0 | 133 mm | Perfect | Parramatta in March |
| April | 23° / 15° | 3 | 27 | 0 | 83 mm | Perfect | Parramatta in April |
| May | 20° / 12° | 3 | 29 | 0 | 50 mm | Good | Parramatta in May |
| June | 17° / 10° | 3 | 27 | 0 | 91 mm | Good | Parramatta in June |
| July | 17° / 9° | 2 | 29 | 0 | 41 mm | Good | Parramatta in July |
| August | 19° / 9° | 2 | 29 | 0 | 58 mm | Good | Parramatta in August |
| September | 22° / 12° | 2 | 28 | 0 | 55 mm | Good | Parramatta in September |
| October | 24° / 13° | 4 | 27 | 0 | 92 mm | Perfect | Parramatta in October |
| November | 26° / 16° | 5 | 25 | 0 | 105 mm | Perfect | Parramatta in November |
| December | 28° / 17° | 5 | 26 | 0 | 81 mm | Perfect | Parramatta in December |