The Consumer Price Index increased 0.3% in September on a seasonally adjusted basis. Over the last 12 months, the all-items index rose 1.5%, its largest 12-month increase since October 2014.
Prices for all items less food and energy increased 0.1% in September, after rising 0.3% in August. The index rose 2.2% over the past 12 months ending in September.
The food index was unchanged for the third consecutive month. Prices for food at home fell 0.1% in September and have fallen 2.2% over the past year. Prices for food away from home increased 0.2% for the month and 2.4% over the course of the year.
The energy index increased 2.9% in September, rising for the fifth consecutive month, its largest advance since April. All major energy component indices increased.
Higher prices for shelters and gas were the main causes of inflation in September. The gasoline index rose 5.8 percent in September and accounted for more than half of the all-items increase. The shelter index increased 0.4 percent, its largest increase since May.