The Market Composite Index, which measures mortgage loan application volume, fell from 661.7 to 591.4 in the week ending Sept. 19, the Mortgage Bankers Association said in a release Wednesday.
The Refinance Index also decreased, down 11.2 percent to 2,043.4, the MBA said.
The average interest rate for 30-year, fixed-rate mortgages increased from 5.82 percent to 6.08 percent with points staying consistent at 1.13, the organization said.
Rates for the average 15-year, fixed-rate mortgage increased from 5.54 percent to 5.84 percent. Points in 15-year, fixed-rate mortgages increased from 1.12 to 1.17.
The average interest rate for one-year adjustable rate mortgages rose from 6.95 percent with an average 0.34 points to 7.01 percent with 0.33 points, the report said.