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Macro EconomyMediumUpdated×2•Originally published 14 October 2026•Updated 14 October 2026•
1 min read

US Annual Inflation Rises to 3.7% in September Driven by Energy Costs

Key Facts

1The annual US Consumer Price Index rose to 3.7% in September, up from 3.4% in August.
2Gasoline prices spiked 9.1% in September, significantly contributing to increased inflationary pressures.
3Core CPI, excluding food and energy, rose to 2.6% on a year-over-year basis.

The annual US Consumer Price Index rose to 3.7% in September, up from 3.4% in August. Axios reported that gasoline prices spiked 9.1% during September, significantly contributing to the overall increase in inflationary pressures. Core CPI, which excludes volatile food and energy components, rose to 2.6% on a year-over-year basis.

The acceleration follows persistent shelter costs and global energy supply disruptions linked to Middle East tensions. Related energy data from October 7, 2026, showed US gasoline stocks (EIA) increased by 0.382 million barrels, while the weekly petroleum report indicated a stock decline of 3.186 million barrels.

Latest Updates · 2

  1. Notable·

    Update: The Consumer Price Index rose 0.6% on a monthly basis in September 2026. This increase represents the largest monthly gain for the index in five months.

  2. Notable·

    Update: Core CPI rose 0.3% on a monthly basis in September 2026. This figure slightly exceeded economists' expectations of a 0.2% increase, indicating persistent price pressures in components outside of food and energy.