The consumer price index rose to 3.7% from 3.4% in the 12 months to August, the Bureau of Labor Statistics reported. The figure came in above economist forecasts, fueled by higher gasoline prices following disruption to Middle East energy supplies linked to the US-Israel conflict with Iran.
Inflation has been a defining issue in the election campaign, with the two parties sparring over the economy and household budgets. The uptick suggests voters will head to the polls next month with prices continuing to rise faster than many had hoped.
Gasoline costs have been a particular pain point. The pass-through from higher crude oil prices, driven by geopolitical instability, has pushed up pump prices across the country. Core inflation, which excludes volatile food and energy categories, was not reported in this release.
The figures represent the final major inflation data before the November midterm elections, giving voters a fresh snapshot of economic conditions.