U.S. President Joe Biden's hopes that the Democratic Party would participate in the midterm elections with lower inflation did not materialize. The final report before the November vote showed that prices rose more than expected, Reuters reports.

This is bad news for Biden and the Democrats, who hope to maintain control of Congress and must convince voters deeply concerned about high prices that they are the ones who can help reduce inflation.

"Americans are squeezed by the cost of living: that’s been true for years, and they didn’t need today’s report to tell them that," Biden said in a statement.

The consumer price index rose 0.4 percent last month after rising 0.1 percent in August, according to the Labor Department report. In the 12 months through September, the CPI rose 8.2 percent after rising 8.3 percent in August.

Biden said the Consumer Price Index report shows some progress against higher prices, but there is still more work to be done.

The White House noted that inflation has averaged an annualized 2% over the past three months, up from 11% in the previous quarter.

"But even with this progress, prices are still too high. Fighting the global inflation that is affecting countries around the world and working families here at home is my top priority," Biden said in a statement.

Biden has tried with moderate success to contain the surge in inflation caused by the U.S. economy coming out of quarantine because of COVID-19 and the war in Ukraine.

"We have policies that are going to make a difference. We have policies that have already made a difference. We just have to stay the course," Brian Deese, director of the National Economic Council.