The all-items consumer price index was expected to rise 0.4% in August, with core, excluding food and energy, showing a 0.2% gain, according to the Dow Jones consensus.

Analysts expect US core CPI to fall to 2.3%-2.4% year-over-year in August, down from July's 2.5%, ahead of the September FOMC meeting.

The producer price index was expected to rise 0.4% in August, according to the Dow Jones consensus forecast.