India, Oct. 14 -- The US Consumer Price Index (CPI) report, due on Wednesday, October 15, is expected to show that inflation increased in September as energy prices rose. The data will help investors understand how prices are changing and what the Federal Reserve may do with interest rates.

Economists surveyed by Bloomberg expect annual US inflation to increase to 3.6% in September, up from 3.4% in August. This would mean that consumer prices are rising faster than they did a year earlier. Consumer prices are forecast to rise 0.6% in September compared with August. This would be faster than the 0.4% monthly increase recorded in August.

Gasoline prices are expected to be a major reason for the rise in US inflation in September. When fuel...