The Fed Raised Rates to 4% in September 2026 — Here’s What It Means for Small Business Borrowing

The Federal Reserve raised interest rates on September 16, 2026, for the first time since 2023 — a quarter-point move to a target range of 3.75% to 4.00% that passed unanimously, 12-0. Two days later, on September 18, major banks including JPMorgan, KeyCorp, and BNY raised their prime lending rate from 6.75% to 7.00%, the benchmark that sets pricing on a huge share of small business loans, lines of credit, and business credit cards. If you run a business that borrows money — and most do — here’s what actually changed, why the Fed moved now, and what it means for your financing costs heading into 2027.

Key Takeaways

• The Fed raised its benchmark rate to 3.75%–4.00% on September 16, 2026, its first hike since 2023, in a unanimous 12-0 vote.
• The prime rate — the base for most variable-rate business loans and credit cards — rose from 6.75% to 7.00%, effective September 18, 2026.
• Oddly, the hike came as core inflation cooled to 2.4% year-over-year in August, its lowest reading since March 2021. The Fed hiked anyway, pointing to a resilient economy and inflation that’s still running above target on a headline basis.
• SBA 7(a) loan rate caps, which are pegged directly to the prime rate, moved up in lockstep. SBA 504 rates had already climbed in September, driven separately by rising Treasury yields.
• The Fed’s own projections point to one more hike likely in December 2026 and one more in 2027, then a pause — useful context for multi-year financing decisions.

What the Fed Actually Did on September 16

The Federal Open Market Committee raised the federal funds rate by 25 basis points, from 3.50%–3.75% to 3.75%–4.00%. The vote was unanimous, with all 12 committee members in agreement — a notable contrast to some of the Fed’s more divided decisions over the past two years. Markets had largely priced in the move well ahead of time; Deutsche Bank economists noted beforehand that a hold would have counted as “the biggest dovish surprise at a scheduled FOMC meeting on record,” underscoring just how baked-in this hike already was by the time it happened.

Fed Chair Kevin Warsh, in his post-meeting remarks, was direct about the reasoning: “Inflation is too high and has been for too long,” he said, adding that the Fed had “removed a dose of accommodation” from the economy. Asked whether rates were now restrictive enough to keep cooling price growth, Warsh said he was “hard-pressed” to say they were — language that leaves the door open to further increases. He also declined to “prejudge any future decisions,” sticking to his preference for minimal forward guidance between meetings.

The FOMC’s official statement pointed to a few specific drivers: “too many categories” of goods still showing price increases inconsistent with the Fed’s 2% target, a labor market where “the jobless rate remains low” alongside rising job openings and hours worked, and an economy where “domestic spending has been resilient” and “capital investment is robust.” Recent data backed that framing — August retail sales rebounded 1.2%, and employers added 162,000 jobs in August with unemployment holding at 4.1%, a stronger report than economists had expected.

Markets reacted with a modest pullback rather than a shock: the Dow Jones Industrial Average fell 1.2% to close at 51,461, the S&P 500 slipped 0.5% to 7,551, and the Nasdaq Composite was essentially flat, down 0.01% to 25,978. Treasury yields actually eased slightly after the announcement — the 2-year yield down about 3.6 basis points and the 10-year down roughly 3.1 basis points — though both remained near multi-year highs.

The Puzzle: Why Hike When Core Inflation Just Hit a 5-Year Low?

Here’s the detail that most headline coverage of this decision skipped over. The Bureau of Labor Statistics’ August Consumer Price Index report, released September 11, showed core inflation — which strips out volatile food and energy prices — at 2.4% year-over-year, down from 2.5% in July and the lowest core reading since March 2021. By the Fed’s usual preferred lens, that’s genuinely good news, and arguably an odd moment to be tightening policy further.

What kept headline inflation stuck at 3.4% — unchanged from July, and the number that dominated news coverage — was almost entirely energy. Gasoline prices jumped 3.9% in August after a 2.9% decline in July, and were running 27.4% higher than a year earlier. According to the BLS report, gasoline alone accounted for over a third of the month’s entire increase in the all-items index.

So the honest summary is more nuanced than “inflation is too hot”: underlying, non-energy price pressure is actually the coolest it’s been in five years, but a volatile gasoline market is keeping the headline number elevated, and a resilient labor market and strong consumer spending gave the Fed room — and, in its own reasoning, justification — to hike anyway rather than risk those numbers reversing. It’s a similar dynamic to what’s been driving other 2026 inflation surprises: the 2027 Social Security COLA estimate has moved for largely the same energy-price reasons this year.

What Changed for Business Borrowing, Concretely

The mechanism that actually moves your loan payment is the prime rate, not the Fed funds rate directly. Banks set prime based on the Fed’s benchmark, and it’s prime that most variable-rate business products are priced against.

The SBA 7(a) figures deserve a note on methodology: Lendio’s September 11 pricing data was published before the hike took effect, when the Wall Street Journal Prime Rate was still 6.75%. Because SBA 7(a) maximum rates are structured as prime plus a fixed spread — for example, loans over $250,000 cap at Prime + 5% — the caps move automatically and immediately whenever prime moves, without any separate SBA announcement required. That’s a mechanical certainty, not a projection.

SBA 504 loans work differently and are worth calling out separately, because they’d already gotten more expensive before this Fed decision even happened. September 504 pricing showed standard rates of 6.53%–6.60%, up from 6.19%–6.27% in August — a move driven by rising Treasury yields rather than the Fed funds rate directly, since 504 debentures are priced off the bond market. In other words, if you’re comparing 504 quotes and wondering why they moved before the Fed announcement made headlines, that’s why: two different rate mechanisms, moving on two different schedules, both trending upward this month.

Fixed vs. Variable: What Actually Changes for Your Business

Not every business borrower feels this the same way, and the distinction matters more than the headline rate itself.

• Fixed-rate term loans: If you locked in a fixed rate on an SBA 504 loan, a term loan, or equipment financing, your payment doesn’t change. The rate you have is the rate you keep for the life of that loan.
• Variable-rate SBA 7(a) loans and business lines of credit: These are directly exposed. Expect the higher cost to show up in your monthly statement within one to two billing cycles, per guidance from Citizens Bank’s borrower resources.
• Business credit cards: Most carry variable APRs tied to prime, so carried balances get modestly more expensive starting with your next statement cycle.
• New borrowing: Whatever you finance from here forward — a new equipment loan, a new line of credit, a refinance — starts pricing off the higher prime rate immediately.
• Business savings and cash reserves: The one upside — bank and money-market yields on business cash reserves tend to drift modestly higher too, though large banks typically pass through less of the increase than online-only banks do.

What’s Next: Where the Fed Itself Thinks Rates Are Headed

The most useful number for planning purposes isn’t this month’s rate — it’s where the Fed’s own committee expects rates to land next. The Summary of Economic Projections released alongside the September decision points to one additional rate hike still likely before the end of 2026 (most analysts read this as pointing to the December 15–16 meeting), followed by one more increase sometime in 2027, and no further hikes projected after that. As of this writing, CME FedWatch data puts the odds of a hike at the very next meeting — October 27–28 — at roughly 51%, essentially a coin flip that will firm up as more inflation and employment data arrives over the coming weeks.

For a business owner, the practical takeaway from that projection isn’t “rates are about to fall” — it’s closer to the opposite. If you were holding off on a financing decision in hopes that rates would come back down soon, the Fed’s own forecast doesn’t support that bet for at least the next year, and possibly longer.

What Small Business Owners Should Actually Do Now

A handful of concrete steps make sense regardless of how the December and 2027 decisions eventually land:

Audit your variable-rate exposure this week

Pull up every loan, line of credit, and business card your company carries and sort them into fixed versus variable. If a meaningful share of your debt is variable and tied to prime, you now know exactly which payments are about to tick up — and can build that into next month’s cash flow projections instead of being surprised by it. If you’re managing debt taken on after a personal employment change too, the same audit logic applies; see our guide on what to do with retirement accounts after a layoff for the personal-finance side of that same exercise.

Re-underwrite capital projects at the new cost of capital

A project that penciled out at an 11.75% SBA rate needs to be re-checked at 12.00% — and again against whatever your lender actually quotes, since real-world pricing depends on your credit profile, loan size, and term. As Forbes contributor and bank CEO Frank Sorrentino put it in reaction to this decision, “disciplined and prudent growth will always remain a best practice, especially in times of change.” That’s not a call to stop investing — it’s a call to make sure the math still works before you commit.

Don’t assume approval standards are getting easier

Higher rates tend to coincide with tighter underwriting, not looser. If you’re planning to apply for financing in the next few months, it’s worth reviewing the common reasons lenders decline applications — inconsistent cash flow documentation and thin credit history chief among them — well before you submit, rather than after a rejection costs you weeks. Our breakdown of how to manage a small business loan covers the documentation and cash-flow discipline that lenders in a tighter-rate environment tend to scrutinize most closely.

Put idle cash reserves to work

If your business is sitting on a cash cushion in a low-yield business checking account, this is a reasonable moment to shop for a better business savings or money-market rate — the same logic that applies to personal savings, covered in more detail in our companion piece on what Fed rate decisions mean for your savings, debt, and mortgage.

The Silver Lining: A More Predictable Environment, Even If a Pricier One

It’s worth ending on the part of this story that’s easy to miss under the “rates went up” headline. Cooling core inflation and a still-solid labor market — 162,000 jobs added in August, unemployment at 4.1% — mean most small businesses can keep hiring and retaining staff even as borrowing gets modestly more expensive. Economists broadly aren’t forecasting an aggressive hiking cycle from here; the Fed’s own projections show, at most, two more quarter-point moves total before a pause. That’s a meaningfully more predictable picture than the environment many business owners were bracing for two years ago, back when a rate cut looked like the more likely near-term move. The direction reversed, but the destination — a policy rate that levels off rather than keeps climbing indefinitely — hasn’t changed as much as the headlines suggest.

FAQ

What is the current prime rate after the September 2026 Fed hike?
7.00%, up from 6.75%, effective September 18, 2026, after JPMorgan, KeyCorp, and BNY became the first major banks to raise it following the Fed’s September 16 decision. Most other banks typically follow within days.

Why did the Fed raise rates if core inflation was cooling?
Core CPI did fall to a five-year low of 2.4% in August, but headline inflation stayed at 3.4% due to a 27.4% year-over-year jump in gasoline prices, and the Fed cited a resilient economy — strong retail sales, robust capital investment, and a tight labor market — as reasons it had room to keep tightening rather than risk inflation reaccelerating.

How does the Fed rate hike affect SBA loans specifically?
SBA 7(a) loan rate caps are set as the prime rate plus a fixed spread, so they moved up automatically and immediately when prime rose to 7.00% — for example, the cap on loans over $250,000 moved from 11.75% to 12.00%. SBA 504 loans price off Treasury yields instead and had already risen earlier in September for unrelated reasons.

Will the Fed raise rates again in December 2026?
The Fed’s own Summary of Economic Projections points to one more rate hike likely before the end of 2026, which most analysts expect at the December 15–16 meeting, followed by one additional increase in 2027 and then a pause. As of this writing, markets put the odds of a hike at the earlier October 27–28 meeting at roughly a coin flip.

Does this rate hike affect my fixed-rate business loan?
No. Fixed-rate loans, including fixed-rate SBA 504 debentures and fixed-rate term loans, keep the rate you locked in for the life of the loan. Only variable-rate products — SBA 7(a) working capital lines, most business lines of credit, and most business credit cards — reprice with the new prime rate.

The Bottom Line

The Fed’s first rate hike since 2023 pushed the prime rate to 7.00% and, with it, the cost of every variable-rate loan, credit line, and business card tied to it. The reasoning behind the move is more nuanced than the “inflation is too hot” headline suggests — core inflation is actually the coolest it’s been in five years, and this was as much a bet on a resilient economy as a response to overheating prices. For business owners, the practical work now is straightforward: know which of your debts are exposed, re-check the math on financing decisions at the new rate, and plan around a Fed that’s signaling one or two more moves before it’s done — not a Fed that’s about to start cutting.

Interest rates are subject to change and vary by lender, credit profile, and loan terms. This article is for informational purposes and does not constitute financial or lending advice; consult your lender or financial advisor before making borrowing decisions.