BYN to BOB exchange rate — September 2026 Open3.8559Close3.6651High4.1447Low3.6651Average3.9680Month change (open → close): -4.95%Daily breakdown (18)DateRate2026-09-013.8559Details2026-09-023.8530Details2026-09-033.9115Details2026-09-043.9387Details2026-09-053.9454Details2026-09-063.9450Details2026-09-073.9662Details2026-09-084.0311Details2026-09-094.0287Details2026-09-104.0707Details2026-09-114.1304Details2026-09-124.1447Details2026-09-134.1435Details2026-09-144.0871Details2026-09-154.0575Details2026-09-163.9165Details2026-09-173.7325Details2026-09-183.6651DetailsLive rate & chartDownload CSVAvailable daily data: 2026-03-06 – 2026-09-18 Currency guides All BYN rates All BOB rates BOB To BYN