Better snow in August but far too many Kuntz down there...
September can see some big dumps with the warmer and moister air arriving... However being spring in Australia nobody even thinks about the snow...so less people equals less crowded peaks... Hence my preference...
Snow can often fall right up to XMAS albeit it doesnt hold and melts away the same day...
In Saying all that it all comes back to luck... One day of rain can shut the whole mountain down and ruin your whole week of snow play....
Fuck you Rain!!!!