CHF to BYN exchange rate on 2026-09-12 Closing rate1 CHF = 3.7210 BYNDay-over-day change: -0.66%Previous close: 3.7459More dataLive rate & chartMonthly summaryDownload CSVAvailable daily data: 2026-03-06 – 2026-09-19 Guide valutarie Tutti i tassi CHF Tutti i tassi BYN BYN Per CHF