The consumer price index for the month increased 0.4% for the month, more than the 0.3% Dow Jones estimate, according to the Bureau of Labor Statistics.
On a 12-month basis, so-called headline inflation was up 8.2%, off its peak around 9% in June but still hovering near the highest levels since the early 1980s.
Excluding volatile food and energy prices, core CPI accelerated 0.6% against the Dow Jones estimate for a 0.4% increase. Core inflation was up 6.6% from a year ago.
Closely watched shelter costs, which make up about one-third of CPI, rose 0.7% and are up 6.6% from a year ago. Transportation services also showed a big bump, increasing 1.9% on the month and 14.6% on an annual basis. Medical care costs rose 1% in September.
Source: CNBC