Click on a day for an hourly weather forecast
The temperatures in Penrith in September are quite cold with temperatures between 6°C and 20°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Penrith 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 Penrith in September 2025.
If you’re planning to visit Penrith in the near future, we highly recommend that you review the 14 day weather forecast for Penrith before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 15° | 7 | 25 | 0 | 122 mm | Ok | Penrith in January |
| February | 27° / 15° | 7 | 22 | 0 | 160 mm | Good | Penrith in February |
| March | 25° / 13° | 6 | 25 | 0 | 153 mm | Perfect | Penrith in March |
| April | 22° / 9° | 4 | 26 | 0 | 64 mm | Good | Penrith in April |
| May | 18° / 6° | 3 | 28 | 0 | 41 mm | Good | Penrith in May |
| June | 15° / 4° | 4 | 26 | 0 | 79 mm | Good | Penrith in June |
| July | 14° / 3° | 3 | 28 | 0 | 42 mm | Good | Penrith in July |
| August | 16° / 3° | 2 | 29 | 0 | 54 mm | Good | Penrith in August |
| September | 20° / 6° | 3 | 27 | 0 | 66 mm | Good | Penrith in September |
| October | 23° / 8° | 5 | 26 | 0 | 86 mm | Perfect | Penrith in October |
| November | 25° / 11° | 7 | 23 | 0 | 135 mm | Good | Penrith in November |
| December | 27° / 13° | 6 | 25 | 0 | 114 mm | Perfect | Penrith in December |