Dennis Hendrickson
Money & Income · October 15, 2026

September Inflation Jumps to 3.7%, Putting the Fed in a Bind Before the Midterms

Hot CPI data just made the Fed's October 27-28 rate decision a coin flip, and gas prices are doing most of the damage.

Inflation came in hot. The consumer price index rose 3.7 percent in September from a year earlier, up from 3.4 percent in August and the highest reading since May. That one number just complicated the Federal Reserve's next move.

The Federal Open Market Committee meets October 27-28, and before this report, traders were pricing in a 78 percent chance the Fed would hold rates steady. After the data came out, those odds dropped to roughly 67 percent, according to the CME FedWatch tool. Heather Long, chief economist at Navy Federal Credit Union, called the decision a coin flip between another quarter point hike and holding rates between 3.75 and 4 percent. 'It's tricky. It will be a hot conversation in that room,' she told The Hill.

Gas Prices Are Carrying This Report

Energy prices jumped 5.2 percent from August to September and are up 20.4 percent over the past year. Gas alone rose 9.1 percent in a single month and accounted for more than half of the overall price increase. That's the kind of number people feel immediately, at the pump, before they ever look at a government report.

But this isn't just an energy story. Core prices, which strip out food and energy, were up 2.6 percent over the year. Used cars and trucks rose 0.7 percent in September, apparel rose 0.3 percent, and medical care services rose 0.3 percent. Robin Brooks, a senior fellow at the Brookings Institution, pointed out that back in August it was wireless service costs spiking that pushed core inflation up, which gave the Fed a reasonable excuse to pause. September's report doesn't offer that excuse.

Long put it plainly: the numbers show inflation is 'a lot more broad-based and entrenched' than economists expected. 'It's a real squeeze,' she said. 'Many Americans are financially worse off, certainly, than they were six months ago. But many Americans are worse off than they were a year ago.'

What a Hike Does to Hiring and Borrowing

If the Fed raises rates again, the first place it hits is the cost of borrowing. Business loans, equipment financing, and credit lines all get more expensive. For a company deciding whether to add a position or wait another quarter, a higher cost of capital tips that decision toward waiting. That's a real drag on hiring at exactly the moment the job market is already fragile.

Beth Hammack, president of the Federal Reserve Bank of Cleveland, said this week that demand-side pressure from the AI buildout is 'not self-correcting' and will keep pushing inflation up even if energy prices fall once the Iran war ends. Her baseline forecast is that getting back to the Fed's 2 percent target will take time, 'even with appropriate monetary policy.' That tells you the Fed isn't expecting quick relief, which means businesses should plan for rates to stay elevated longer than they'd like.

Why Fuel Costs Hit Contractors and Insurance Before Anyone Else

This is where I can tell you what a generic news story won't. Gas being up 9.1 percent in a month doesn't just show up at your own pump, it shows up in every contractor's fuel bill. Roofers, pressure washers, lawn care crews, anyone running a truck fleet feels that cost the same week it happens, long before it shows up in their invoices to customers. Margins get squeezed fast in that business, and raising prices to customers takes longer than the fuel bill does to arrive.

On the insurance side, higher rates also change how carriers price things. When the Fed holds rates higher for longer, carriers earn more on the investment portfolios backing their policies, but premium financing, the loans small businesses use to spread out their insurance payments, gets more expensive too. If you're a small business owner financing your commercial policy instead of paying it in full, a rate hike raises that monthly payment on top of whatever your renewal premium already did.

The Midterm Timing Nobody's Saying Out Loud

The October 27-28 meeting lands less than a week before the midterms. There's precedent for hiking anyway, the Fed did it right before the 2022 midterms when inflation was at a 40-year high. But Long is betting the Fed holds steady this time and hikes in December instead, given how politically charged a pre-election hike would look. 'When it's that close of a call, this is the one meeting where the election matters,' she said. 'I know they like to say they're apolitical, and generally they are, but the bar is extra high to hike a week before an election.'

That's happening against the backdrop of President Trump repeatedly calling for lower rates, while saying other Fed officials 'would like to see the country do badly.' Fed Chair Kevin Warsh has avoided forecasting what the committee will do, telling reporters he was 'ill-prepared' to say. He speaks Friday in Thailand alongside IMF Managing Director Kristalina Georgieva, and it's unclear whether he'll touch on policy at all.

What to Watch Between Now and December

If you're running a small business, don't wait on the Fed to tell you what to do. Lock in financing rates now if you're planning equipment purchases or a line of credit, because a hold this month doesn't mean rates are heading down anytime soon. If your business runs on fuel, whether that's a service fleet or shipping costs, build the current gas numbers into your pricing now rather than absorbing another month of margin loss.

Watch two dates: October 27-28 for the Fed's decision, and whatever comes out of it as a signal for December. If the Fed holds this month like Long expects, treat that as a pause, not a sign that inflation is cooling. The underlying data, energy, used cars, medical care, says otherwise. And if you're financing anything tied to your insurance program, ask your agent now how a possible December hike could change your payment plan before you're locked into a renewal.