Inflation Jumps to 3.7% in September, Adding Pressure on Mortgage Rates Ahead of Oct. 28 Fed Vote

Inflation moved the wrong way for homebuyers last month. Overall consumer prices rose 3.7% in the 12 months through September, up from a 3.4% annual pace in August, according to Bureau of Labor Statistics data released Wednesday and reported by Realtor.com. On a monthly basis prices rose 0.6%.

Energy was the main driver in the report. Gasoline prices rose 9.1% in the month and 34.2% from a year earlier, which Realtor.com linked to higher oil prices amid the war with Iran. Shelter costs also kept rising, up 3.2% from a year earlier, and prices rose across a broad range of other categories.

For housing, the timing matters because this is the last inflation reading before the Federal Reserve votes on rates on Oct. 28. The Fed raised its benchmark rate from 3.75% to 4.00% at its September meeting. Realtor.com senior economist Jake Krimmel noted the consensus expectation had been for a slightly smaller increase, at 3.6% year over year and 0.5% for the month, and said the housing market has already slowed significantly even before this report.

The mortgage-rate damage is already visible in the numbers cited in the report: Freddie Mac rates rose from 6.66% in late August to 7.4% more recently, and Krimmel estimated that the recent 74-basis-point rise equates to about a 7.2% loss in purchasing power - about $22,000 on a $2,000 monthly principal-and-interest budget. The report also noted that 20.8% of listings saw a price cut in September.

Analyst views in the report were mixed on what comes next. Vanguard's Josh Hirt pointed to resilient payrolls and business investment and said Vanguard expects the Fed to hold steady in October but possibly raise by 25 basis points in December, with core inflation at 3% year over year in the final three months of the year.

For South Bay buyers, the takeaway is straightforward: a hotter inflation print makes near-term rate relief less likely, so qualifying and pricing a purchase at today's mid-7% rates - rather than planning on a quick drop - remains the safer assumption heading into the Oct. 28 decision.

Source: Realtor.com, CPI Report: Inflation Jumps to 3.7% in Troubling Sign for Mortgage Rates, Oct. 14, 2026 - https://www.realtor.com/news/trends/cpi-inflation-prices-mortgage-rates-september-2026/

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