HR Hub

September 2021 inflation data

The UK’s inflation rate in September 2021, as measured by the CPI, was 3.1%.

The inflation measures for the year to September 2021 are as follows:

  • CPIH inflation was 2.9 % in September 2021 (Index: 112.4), down from 3.0% in the year to August 2021
  • CPI inflation was 3.1% in September 2021 (Index: 112.4), down from 3.2% in the year to August 2021
  • RPI inflation was 4.9% in September 2021 (Index: 308.6), up from 4.8% in the year to August 2021

Note that the Office for National Statistics no longer regards RPI as an official measure of inflation.