Click on a day for an hourly weather forecast
The temperatures in Lithgow in September are quite cold with temperatures between 6°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Lithgow 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 Lithgow in September 2025.
If you’re planning to visit Lithgow in the near future, we highly recommend that you review the 14 day weather forecast for Lithgow before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 29° / 15° | 4 | 27 | 0 | 77 mm | Good | Lithgow in January |
| February | 26° / 14° | 4 | 24 | 0 | 102 mm | Perfect | Lithgow in February |
| March | 24° / 13° | 4 | 27 | 0 | 92 mm | Perfect | Lithgow in March |
| April | 20° / 10° | 3 | 27 | 0 | 45 mm | Good | Lithgow in April |
| May | 16° / 6° | 2 | 29 | 0 | 34 mm | Good | Lithgow in May |
| June | 13° / 4° | 4 | 26 | 0 | 60 mm | Ok | Lithgow in June |
| July | 12° / 3° | 3 | 28 | 0 | 37 mm | Ok | Lithgow in July |
| August | 14° / 3° | 3 | 27 | 0 | 52 mm | Good | Lithgow in August |
| September | 17° / 6° | 3 | 27 | 0 | 52 mm | Good | Lithgow in September |
| October | 21° / 8° | 4 | 27 | 0 | 64 mm | Good | Lithgow in October |
| November | 24° / 11° | 5 | 25 | 0 | 95 mm | Perfect | Lithgow in November |
| December | 27° / 13° | 5 | 26 | 0 | 93 mm | Perfect | Lithgow in December |