The consumer price index rose by a seasonally adjusted 0.1 per cent in September, the US Bureau of Labour Statistics reported Friday, reported dpa.
The key measure of inflation has risen 1.1 per cent in the last 12 months.
Removing volatile prices for food and energy, core consumer prices were unchanged in September.
Prices for medical care and new vehicles rose last month, while prices for clothing, household furnishing and operations, recreation and used cars declined.
For the last 12 months, the core consumer price index was up 0.8 per cent, the slowest 12-month increase since 1961.