AUD to CRC exchange rate — September 2026 Open323.7718Close318.9810High327.8716Low318.3238Average324.1875Month change (open → close): -1.48%Daily breakdown (19)DateTaux2026-09-01323.7718Details2026-09-02323.5257Details2026-09-03324.7927Details2026-09-04326.0677Details2026-09-05326.5448Details2026-09-06326.5079Details2026-09-07326.6429Details2026-09-08327.5701Details2026-09-09327.3769Details2026-09-10327.8716Details2026-09-11325.8648Details2026-09-12325.7832Details2026-09-13325.6711Details2026-09-14323.7715Details2026-09-15321.4846Details2026-09-16320.0286Details2026-09-17318.3238Details2026-09-18318.9810Details2026-09-19318.9810DetailsLive rate & chartDownload CSVAvailable daily data: 2026-03-06 – 2026-09-19 Guides de devises Tous les taux AUD Tous les taux CRC CRC À AUD