The average yield was 1.47%, the central bank, which auctions government securities on behalf of the finance ministry, said on its website.
On September 25, Romania sold six-moth T-bills at an average yield of 2.55%.
Bids were placed for 1.82 billion lei worth of government debt paper in the auction.
This was the last auction of government debt paper scheduled for this year.
Romania has sold some 40.6 billion lei and 928.7 million euro in government debt paper on the domestic market this year. It has also raised $2.0 billion in 10-year and 30-year bonds on the U.S. market and 2.75 billion euro in ten-year bonds on international markets.
(1 euro = 4.4679 Romanian lei)