Banks offered RON598.1 million, central bank data showed.
At the latest similar auction February 2, the ministry sold RON1.3 billion in three-year paper at an annual yield of 6.79%.
The ministry wants to sell debt worth RON4.15 billion in October, slightly down from RON4.54 billion sold a month earlier. Additionally, the ministry will reopen a 2015 foreign currency bond on October 22 in a bid to raise EUR150 million.
So far in 2012, Romania sold RON45.48 billion in leu-denominated state notes and $2.25 billion in US dollar-denominated bonds.
Early September, the country raised another EUR750 million via a tap of its 6.5% June 2018-dated eurobond at an annual yield of 5.15%. (EUR1=RON4.5698)