CUP to IDR exchange rate — September 2026 Open739.1081Close737.4945High740.2084Low729.3766Average735.6275Month change (open → close): -0.22%Daily breakdown (17)DateRate2026-09-01739.1081Details2026-09-02740.2084Details2026-09-03739.4784Details2026-09-04735.6903Details2026-09-05736.4258Details2026-09-06736.1155Details2026-09-07735.6380Details2026-09-08735.6002Details2026-09-09734.5257Details2026-09-10729.3766Details2026-09-11731.7419Details2026-09-12733.5886Details2026-09-13733.4905Details2026-09-14734.3215Details2026-09-15735.8590Details2026-09-16737.0053Details2026-09-17737.4945DetailsLive rate & chartDownload CSVAvailable daily data: 2026-03-06 – 2026-09-17 Currency guides All CUP rates All IDR rates IDR To CUP