Perth has recorded its wettest start to Autumn since 1971.
The city received 69.6 millimetres in March, well over the long term average of 19.2 millimetres.
It has also been the wettest start to the year for 13 years.
April's mean rainfall is 44 millimetres and the bureau is predicting the first April rain could fall this weekend.
© ABC 2013
16:39 EST The mercury soared in the nation's southwest today with Perth recording its hottest September day on record, however heavy rain and cooler temperatures will arrive on Sunday.