Have a look here for rainfall: http://www.bom.gov.au/climate/outlooks/#/rainfall/summary
and here for temperature: http://www.bom.gov.au/climate/outlooks/#/temperature/maximum/median/seasonal/0
You can click on each of the small maps at the above links for more detail, and follow various links to other detailed information. Maps below are from the above sources. Note that the main maps at those links are zoomable down to quite local detail - as in the temperature forecast map excerpt below.
Chance of above average rainfall for September to November |
Chance of above average temperature for September to November |