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UK CPI inflation, September 2026

3.5%

Prices were 3.5% higher than a year earlier, up 0.4 points from 3.1% in August 2026.

  • CPIH3.6%
  • Core CPI2.8%
  • Monthly change0.4%

Updated Latest data: September 2026 · ONS release 21 October 2026 · Data fetched 28 October 2026, 10:12 GMT

Next CPI release: 18 November 2026, 07:00 GMT

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The October 2026 figures. About the release

Draft, not locked

Our draft nowcast for October 2026: 3.4%

See the forecast and its track record
CPI annual rate, last 5 years

CPI annual rate, January 1989 to September 2026. Latest: 3.5% (September 2026). Source: ONS series D7G7.

Inflation data

CPI, CPIH and core inflation back to 1989, plus the 12 spending categories.

CPI forecast

A transparent nowcast of the next CPI print, with its backtest record.

Methodology

Where every number comes from, and how the forecast works.

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