Australia's CPI rose 4.3% in the year to September 2026
The ABS says consumer prices rose 4.3% from a year earlier in September, up from 4.0% in August. The trimmed mean measure was 3.6% over the year.
Consumer prices in Australia rose 4.3% in the 12 months to September 2026, up from 4.0% in August, the Australian Bureau of Statistics said on 28 October 2026 (ABS media release: CPI rose 4.3% in the year to September 2026).
Key figures
- Annual CPI: 4.3% in September, from 4.0% in August
- Monthly CPI: up 0.8% in September
- Trimmed mean, annual: 3.6% in September
- September quarter: CPI up 1.3%; trimmed mean up 1.0% on the pre-October 2025 basis
- Housing: the largest contributor to annual inflation, up 5.2% over the year
Reading it
The trimmed mean leaves out the items whose prices move the most in a given month, so it is the ABS's view of underlying inflation. In September, automotive fuel was excluded from the trimmed mean, and the ABS says that was a key driver of the gap between the headline and trimmed mean figures. For the earlier print, see Australia's CPI at 4.0% in August. For how inflation feeds into currencies, see how inflation moves currencies.
Sources
Common questions
How much did Australia's CPI rise in the year to September 2026?
4.3%, up from 4.0% in August, according to the Australian Bureau of Statistics.
What was trimmed mean inflation in September 2026?
3.6% over the year, according to the ABS.
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