Consumer Prices Rise 3.7 Percent as Gasoline Surge Lifts September Inflation

Consumer prices inflation September data showed a clear acceleration, with the Consumer Price Index rising 3.7 percent over the 12 months to September, up from 3.4 percent in August, the Labor Department reported on 14 October 2026. The index rose 0.6 percent in the month, after climbing 0.4 percent in August. Gasoline was the main driver, rising 9.1 percent in September and accounting for more than half of the monthly increase. Energy prices rose 5.2 percent in the month, while shelter costs rose 0.4 percent. Food overall was unchanged, with groceries down 0.1 percent and dining out up 0.2 percent.

Core inflation, which excludes food and energy, rose 0.3 percent in September, matching the gain in August, and was up 2.6 percent over the year, compared with 2.4 percent in August. Economists polled by Reuters had forecast core inflation of 0.2 percent for the month and 2.5 percent for the year, so the reading came in slightly hotter than expected. The report showed a broadening of price pressures beyond energy, raising concern among economists that underlying inflation could be getting sticky.

How consumer prices inflation September affects interest rates

The Federal Reserve tracks a different measure, the Personal Consumption Expenditures Price Index, for its 2 percent inflation target, but the consumer price report still shapes market expectations for interest rates. After the September figures, financial markets saw the central bank’s late-October decision as a closer call than before the data was released. Higher inflation can push the central bank to keep rates higher for longer, which in turn keeps borrowing costs elevated for mortgages, car loans and credit cards. Treasury yields rose after the report, and stocks fell as traders repriced the outlook for rates.

For households, the 3.7 percent annual rate meant that the cost of living was still rising faster than the central bank’s target, even if the pace was well below the peaks seen earlier in the decade. Gasoline was the most visible pressure, with pump prices feeding directly into weekly budgets and into the cost of moving goods. Shelter, the largest single component of the index, continued to rise steadily. The next inflation reading, for October, was due on 10 November, and it was expected to show whether the September jump in fuel prices was a one-month spike or the start of a longer climb.

Source: SRN News