Annual Inflation Rose to 3.7 Percent in September

Higher energy costs pushed annual inflation up for households nationwide last month.

Updated on Oct. 14, 2026 in Inflation

Annual Inflation Rose to 3.7 Percent in September

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Is the rising cost of living making it harder for your household to pay bills?

The annual inflation rate increased to 3.7 percent in September 2026, rising from 3.4 percent in August. This uptick was primarily driven by a significant spike in energy prices that affected household budgets across the country.

Why it matters

Rising energy costs have squeezed consumer purchasing power, as evidenced by a 0.5 percent decline in real average hourly earnings. These price pressures reflect volatility in energy markets amid the ongoing Iran war.

The annual inflation rate hit 3.7 percent in September, up from 3.4 percent in August, while monthly energy prices surged 5.2 percent. Driving this change, gas prices climbed 9.1 percent in a single month, accounting for over half of the overall monthly rise.

The players

Bureau of Labor Statistics

The federal agency that collects and analyzes data on labor market activity and price changes.

National Economic Council

The advisory body that coordinates economic policy and provides official projections for the administration.

The details

The recent jump in inflation is largely a result of energy volatility, which saw costs increase 20.4 percent year-over-year. As gas prices rose 9.1 percent in September alone, the resulting impact on household expenses outweighed minor relief in other areas, such as a 1.2 percent decrease in prescription drug prices. Core inflation, which excludes volatile energy and food sectors, remained at 2.6 percent, reflecting underlying price trends.

December 2024: Annual inflation was 2.9 percent.
May 2026: Inflation reached a high of 4.2 percent.
August 2026: Annual inflation was 3.4 percent.
September 2026: Annual inflation rose to 3.7 percent.

Money Landscape

This report tracks developments within the 2026 inflation cycle, showing that current price pressures remain above the 2.9 percent level seen in late 2024. The data reveals a reversal from earlier cooling trends, positioning current inflation between the December 2024 low and the May 2026 peak.

Higher energy prices are directly reducing the value of your paycheck, as evidenced by the recent decline in real hourly earnings. You may want to review your monthly transportation and utility budget lines to account for these rising costs and discuss long-term adjustments with a professional.

The takeaway

While energy prices have driven a recent uptick in inflation, other sectors like prescription drugs have seen modest price declines. Consider reviewing your household energy usage patterns and checking if any recent fluctuations in your monthly bills necessitate an adjustment to your savings goals.