Prices inA$US$

FinVolio

Economy · United States · Inflation

US inflation (CPI)

3.7% in September 2026, compared with 3.4% in August 2026.

Monthly · % a year · 3.0% a year earlier · Updated 11 hrs ago

Next: Consumer price index (inflation), Wed, 11 Nov, 12:30am Sydney time (usual time)

Add US inflation (CPI) to your list

Range, past 10 years52-week and 10-year range The lowest and highest values over a period, with a marker for where the latest value sits between them. Learn more
0.2% May 20209.0% Jun 2022
Over 3 monthsYear on year, month on month, quarter on quarter How a figure compares with the same period a year earlier (y/y), or with the period just before (m/m, q/q). Year-on-year removes seasonal swings; shorter comparisons show turning points sooner. Learn more
+0.3 ptsfrom 3.5%
Over 12 monthsPercentage points and basis points The difference between two percentages. A rate rising from 4.00% to 4.25% is up 0.25 percentage points, or 25 basis points; it is not up 0.25%. Learn more
+0.7 ptsfrom 3.0%
Long-run averageLong-run average The average of every reading in the series' history. A rough guide to what is normal, though economies change and some series never return to their old average. Learn more
2.6%since 2000
Against its historyPercentile against history Where the latest reading ranks among every reading since the series began. The 90th percentile means it is higher than 90% of past readings. Learn more
83rdpercentile: higher than 83% of readings since 2000

HistorySeasonally adjusted A figure with the regular calendar pattern removed (Christmas, school holidays, harvests), so one month can be compared fairly with the next. Learn more

% a year, monthly

Show the data
Period% a year
September 20263.7%
August 20263.4%
July 20263.3%
June 20263.5%
May 20264.2%
April 20263.8%
March 20263.3%
February 20262.4%
January 20262.4%
December 20252.7%
November 20252.7%
September 20253.0%
August 20252.9%
July 20252.7%
June 20252.7%
May 20252.4%
April 20252.3%
March 20252.4%
February 20252.8%
January 20253.0%
December 20242.9%
November 20242.7%
October 20242.6%
September 20242.4%

The latest 24 readings in this range.

Source: FRED, Federal Reserve Bank of St. Louis, series CPIAUCSL, shown as the change on a year earlier. Data from January 2000.

Next releaseFinVolio estimates FinVolio's own estimate of what an upcoming release will show, from a stated statistical rule and, where available, an AI estimate with its reasoning. Not a consensus forecast and not advice. Learn more

Wed, 11 Nov, 12:30am Sydney time (usual time) · Consumer price index (inflation)

Estimates are made in the three weeks before a release.

Track record for this indicator: AI 100% of actuals inside its range over 1 releases, average miss 0.4; model 0% over 1, average miss 0.5.

PeriodEstimateActualMiss
September 2026AI3.3%3.7%0.4

Estimates are FinVolio's own, made from this series and related indicators. They are not a consensus forecast and not advice.

What it measures

The change in the US consumer price index over the previous 12 months, seasonally adjusted.

Why it matters

It drives what the Federal Reserve does next, and through it, global interest rates.