Click on a day for an hourly weather forecast
The temperatures in Kalgoorlie in September are comfortable with low of 10°C and and high up to 21°C.
The wather in Kalgoorlie 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 Kalgoorlie in September 2025.
If you’re planning to visit Kalgoorlie in the near future, we highly recommend that you review the 14 day weather forecast for Kalgoorlie before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 19° | 2 | 29 | 0 | 55 mm | Good | Kalgoorlie in January |
| February | 31° / 19° | 2 | 27 | 0 | 34 mm | Good | Kalgoorlie in February |
| March | 28° / 17° | 2 | 29 | 0 | 46 mm | Perfect | Kalgoorlie in March |
| April | 25° / 15° | 2 | 29 | 0 | 24 mm | Perfect | Kalgoorlie in April |
| May | 20° / 11° | 1 | 30 | 0 | 19 mm | Good | Kalgoorlie in May |
| June | 16° / 9° | 2 | 28 | 0 | 26 mm | Good | Kalgoorlie in June |
| July | 16° / 8° | 2 | 29 | 0 | 26 mm | Good | Kalgoorlie in July |
| August | 18° / 9° | 2 | 29 | 0 | 27 mm | Good | Kalgoorlie in August |
| September | 21° / 10° | 1 | 29 | 0 | 19 mm | Good | Kalgoorlie in September |
| October | 26° / 13° | 2 | 29 | 0 | 29 mm | Perfect | Kalgoorlie in October |
| November | 28° / 15° | 2 | 28 | 0 | 34 mm | Perfect | Kalgoorlie in November |
| December | 31° / 17° | 2 | 29 | 0 | 31 mm | Good | Kalgoorlie in December |