Yields on benchmark 10-year notes rose alongside those of European bonds, reaching the highest in a month, before the U.S. auctions $21 billion of the securities. Treasuries are the world's worst-performing bonds this quarter as the Fed prepares to end its bond buying while the European Central Bank introduced additional stimulus. Analysts said data this week will show jobless claims fell and retail sales increased, adding to the case for the Fed to raise rates.

"There's some nervousness over Fed policy," said Thomas di Galoma, head of fixed-income rates at ED&F Man Capital Markets in New York. "As we get closer to ending quantitative easing, there's always a risk the Fed comes out and says something a little bit more hawkish. We're starting to see a bottom in global rates in general."

The U.S. 10-year yield rose three basis points, or 0.03 percentage point, to 2.53 percent at 12:13 p.m. New York time after touching 2.54 percent, the highest since Aug. 1, according to Bloomberg Bond Trader data. The price of the 2.375 percent note due in August 2024 fell 1/4, or $2.50 per $1,000 face amount, to 98 20/32.