CUP to CRC exchange rate — September 2026 Open18.8308Close18.6549High18.9371Low18.6549Average18.8620Month change (open → close): -0.93%Daily breakdown (17)DatumKoers2026-09-0118.8308Details2026-09-0218.8610Details2026-09-0318.9014Details2026-09-0418.8803Details2026-09-0518.8877Details2026-09-0618.8873Details2026-09-0718.8865Details2026-09-0818.9079Details2026-09-0918.8981Details2026-09-1018.9174Details2026-09-1118.9371Details2026-09-1218.9322Details2026-09-1318.9320Details2026-09-1418.8539Details2026-09-1518.7750Details2026-09-1618.7103Details2026-09-1718.6549DetailsLive rate & chartDownload CSVAvailable daily data: 2026-03-06 – 2026-09-17 Valutagidsen Alle CUP-koersen Alle CRC-koersen CRC Tot CUP