US Inflation Accelerates to 3.7% in September, Driven by Gasoline Prices

Headline inflation rises as gasoline prices spike

The US annual inflation rate accelerated to 3.7% in September, up from 3.4% in August, according to the Bureau of Labor Statistics. The increase was largely driven by a sharp jump in gasoline prices.

Headline consumer prices rose 0.6% on a seasonally adjusted basis during the month, following a 0.4% increase in August. Gasoline prices alone jumped 9.1%, accounting for more than half of the monthly headline increase.

Core inflation also picks up

Core CPI, which strips out volatile food and energy prices, increased 0.3% for the month — matching August's pace. However, its annual rate climbed to 2.6% from 2.4%, indicating that inflationary pressure extended beyond just energy costs.

Housing costs, measured by the shelter index, also rose faster at 0.4% compared with 0.3% in August. Other categories contributing to the core increase included recreation, used vehicles, education, and airline fares.

What the numbers show

• Headline CPI: 3.7% annually (up from 3.4%), 0.6% monthly increase
• Core CPI: 2.6% annually (up from 2.4%), 0.3% monthly increase
• Gasoline prices: +9.1% in September
• Broader energy index: +5.2%
• Food prices: unchanged
• Shelter index: +0.4% monthly (up from 0.3% in August)

Next report due November 10

The next CPI report, covering October data, is scheduled for release on November 10 at 8:30 a.m. ET.

Why this matters for crypto investors

Higher inflation readings can influence Federal Reserve policy decisions on interest rates, which in turn affect risk assets including cryptocurrencies. When inflation runs hotter than expected, it often delays expectations for rate cuts, which can put pressure on markets that have grown sensitive to monetary policy shifts.

What is confirmed

The inflation figures, monthly and annual percentage changes, and gasoline price surge are confirmed facts reported by the Bureau of Labor Statistics on October 14.

What is still unclear

It remains unclear whether the inflation acceleration reflects a broader trend or is primarily a temporary energy-driven spike. The sources do not provide forward guidance or Federal Reserve commentary on how this data will shape future policy.

Sources

• The Defiant
• Bureau of Labor Statistics