U.S. Consumer Price Index rose 0.6% in September 2026; 12‑month inflation 3.7%, BLS says
The U.S. Consumer Price Index for All Urban Consumers (CPI‑U) increased 0.6% seasonally adjusted from August to September 2026 and was up 3.7% unadjusted from September 2025 to September 2026, the U.S. Bureau of Labor Statistics reported on 2026-10-14. Energy climbed 20.4% year over year; gasoline rose 34.2% and airline fares were up 22.4%.

The BLS monthly release shows the unadjusted CPI‑U index level for September 2026 at 336.940. Over the 12 months ending September 2026, the all‑items CPI‑U increased 3.7%; the ‘‘all items less food and energy’’ (core) index rose 2.6% year over year.
Energy was the largest year‑over‑year mover, up 20.4% with gasoline up 34.2% and fuel oil up 74.2%. Other notable 12‑month changes reported by the BLS included food up 2.5%, food away from home up 3.5%, owners’ equivalent rent up 3.3%, medical care services up 2.5%, and airline fares up 22.4%.
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