USD to AUD exchange rate on 2026-09-17 Closing rate1 USD = 1.4065 AUDDay-over-day change: 0.24%Previous close: 1.4031More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-17 Guide valutarie Tutti i tassi USD Tutti i tassi AUD AUD Per USD