📝 Executive Summary
The average 30-year fixed mortgage rate fell 11 basis points to 6.92% on Wednesday, September 23, 2026, according to Zillow lender marketplace data. While 15-year fixed rates also saw a slight decline to 6.48%, 5/1 ARM rates ticked upward by 5 basis points. The broader market continues to see increased refinance activity as borrowers look to capitalize on recent rate cooling.