Click on a day for an hourly weather forecast
The temperatures in Penrith in September are quite cold with temperatures between 7°C and 13°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 | 3° / -1° | 9 | 5 | 19 | 107 mm | Awful | Penrith in January |
| February | 3° / -1° | 8 | 5 | 17 | 117 mm | Awful | Penrith in February |
| March | 6° / 1° | 7 | 11 | 14 | 84 mm | Awful | Penrith in March |
| April | 8° / 2° | 8 | 14 | 9 | 61 mm | Awful | Penrith in April |
| May | 11° / 5° | 11 | 15 | 5 | 95 mm | Awful | Penrith in May |
| June | 14° / 7° | 8 | 22 | 0 | 109 mm | Ok | Penrith in June |
| July | 15° / 9° | 9 | 22 | 0 | 121 mm | Ok | Penrith in July |
| August | 14° / 9° | 8 | 23 | 0 | 128 mm | Ok | Penrith in August |
| September | 13° / 7° | 6 | 23 | 0 | 89 mm | Ok | Penrith in September |
| October | 9° / 5° | 10 | 18 | 2 | 126 mm | Awful | Penrith in October |
| November | 6° / 2° | 11 | 8 | 12 | 128 mm | Awful | Penrith in November |
| December | 3° / 0° | 10 | 6 | 16 | 141 mm | Awful | Penrith in December |