
The move had been overwhelmingly anticipated by financial markets and economists, after a surprise decision to hold rates steady in July.
The cut follows a further easing of inflation in the June quarter, which RBA governor Michele Bullock last month highlighted as the crucial piece of data the monetary policy board was waiting for.
The central bank previously cut interest rates at its February and May board meetings.
Before that, the RBA's cash rate had sat at 4.35 per cent since November 2023, after a series of 13 rate hikes, beginning in May 2022.
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