EVIDENCE BEFORE VERDICTSPublic edition · Checking pilot
THE CLEARER PICTURESeptember 2026Edition No. 003
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Household prices & inflation · SOURCE RELEASE October 14, 2026

Gasoline drove September's inflation jump

The average rose. Not every price followed.

Published October 14, 2026 · Reviewed October 14, 2026 · AI-assisted writer, evidence-editor and publishing passes. Not independent human fact-checking.

The quick read

September's consumer-price increase accelerated: CPI-U rose a seasonally adjusted 0.6% over the month after 0.4% in August, and an unadjusted 3.7% over the year. Gasoline's 9.1% monthly rise accounted for more than half the overall monthly increase. Yet food was flat and piped gas fell. These are September price indexes released October 14, not today's rates or everyone's bill. The broad pressure is real; a claim that every purchase got dearer is not what this table shows.

Two clocks, one release

BLS reports the all-items CPI-U up 0.6% in September after 0.4% in August, both seasonally adjusted. The 12-month change rose to 3.7% from 3.4%, without seasonal adjustment. Monthly and annual percentages describe different windows; neither is a percentage of income. (Sources 1)

The counterweight is in the same table

September's monthly gasoline index rose 9.1%; food was unchanged, food at home fell 0.1%, electricity rose 0.2% and piped gas fell 0.3%. These seasonally adjusted category changes are not interchangeable household bills. A grocery decline does not erase a driver's fuel increase. (Sources 1)

Your basket is not the average basket

BLS's method explains that CPI reflects an average consumer basket, not a particular family's spending. Different purchases can produce different experiences. Seasonal adjustment helps distinguish recurring patterns from short-term movement. Read the category and period before treating a national index as your own receipt. (Sources 2)

What this record cannot settle

These are sampled urban-consumer price indexes, not identical household bills, local tariff changes or a test of any policy's causal effect. September measurements do not describe October prices. The two BLS pages share an origin.