It is not too hot and not too cold. You can hike in national parks without sweating through your shirt, and you can sleep without blasting the air conditioner.
Head to the Mt. Wilson area in the Blue Mountains (NSW), the Yarra Valley (Victoria), or Canberra’s streets to see European trees turn brilliant shades of red, orange, and yellow. australia autumn months
Unlike the Northern Hemisphere, Australian seasons align with the calendar year in a more straightforward way: It is not too hot and not too cold