CUP to BYN exchange rate — September 2026 Open0.1276Close0.1264High0.1286Low0.1262Average0.1275Month change (open → close): -0.97%Daily breakdown (18)DateTaux2026-09-010.1276Details2026-09-020.1285Details2026-09-030.1285Details2026-09-040.1284Details2026-09-050.1283Details2026-09-060.1283Details2026-09-070.1286Details2026-09-080.1282Details2026-09-090.1285Details2026-09-100.1277Details2026-09-110.1268Details2026-09-120.1265Details2026-09-130.1266Details2026-09-140.1269Details2026-09-150.1264Details2026-09-160.1263Details2026-09-170.1262Details2026-09-180.1264DetailsLive rate & chartDownload CSVAvailable daily data: 2026-03-06 – 2026-09-18 Guides de devises Tous les taux CUP Tous les taux BYN BYN À CUP