AUD to USD exchange rate on 2026-09-11 Closing rate1 AUD = 0.7170 USDDay-over-day change: -0.72%Previous close: 0.7222More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-17 Currency guides All AUD rates All USD rates USD To AUD