The leu closed at 4.414 to the euro, from 4.422 to the euro at Friday closing.
It traded between a high of 4.414 units late in the afternoon, and the day’s low of 4.425 units in the first half of the session.
Elsewhere in the region, the Hungarian forint and the Polish zloty were both up 0.2% against the euro.
The Romanian central bank set the leu’s exchange rate at 4.4209 per euro, just 0.05% weaker than Friday.
On the money market, overnight rates were at 3.2%-3.7% a year, up from 3%-3.5% a year in the previous session.