The leu closed at 4.356/4.359 to the euro, compared to 4.325/4.3275 at closing the day before.
Romania’s currency opened at 4.343/4.345 to the euro, but it soon started to weaken in line with other currencies in the region.
The central bank set the leu’s reference at 4.3533 per euro, a fresh 15-month low.
On the money market, overnight rates inched up to 5.1%-5.6% a year, from 5%-5.5% a year Thursday.