Data last verified September 4, 2026
September 2026 Small Business Grant Deadlines: 7 Still Open
7 verified grant programs open to small businesses have application deadlines in September 2026 — 4 private and state programs and 3 federal opportunities from Grants.gov. The earliest deadline lands on Sep 8, 2026; the first private or state program to close is Advanced Industries Early-Stage Capital and Retention Grant on Sep 27, 2026; the last September deadline is Staff Support to Tribal Radioactive Materials Transportation Committee for Engagement with the United States (U.S.) Department of Energy on Radioactive Materials Transportation Planning on Sep 30, 2026. This page re-checks the registry at least daily and drops each program on its deadline day — a program listed here can still be applied for.
| Deadline | Program | Amount | Open to | Official link |
|---|---|---|---|---|
| Closes Sep 8, 2026 | Wetland Mitigation Banking Program Fiscal Year (FY) 2026 Natural Resources Conservation Service Verified Sep 4, 2026 | $100,000–$1,000,000 | Federal (Grants.gov) · Agriculture | Official page ↗ |
| Closes Sep 27, 2026 | Advanced Industries Early-Stage Capital and Retention Grant Colorado Office of Economic Development and International Trade Verified Sep 4, 2026 | Up to $250,000 per project (up to $500,000 for projects impacting multiple advanced industries) | Colorado only · Technology, Manufacturing | Official page ↗ |
| Closes Sep 29, 2026 | Desalination and Water Purification Research Program: Research Projects Bureau of Reclamation Verified Sep 4, 2026 | $100,000–$800,000 | Federal (Grants.gov) | Official page ↗ |
| Closes Sep 30, 2026 | Amber Grant WomensNet Verified Sep 2, 2026 | $10,000 | All states · Women-Owned | Official page ↗ |
| Closes Sep 30, 2026 | HerRise MicroGrant HerSuiteSpot / Yva Jourdan Foundation Verified Sep 4, 2026 | $1,000 | All states · Women-Owned and Minority-Owned | Official page ↗ |
| Closes Sep 30, 2026 | HIGH FIVE Grant for Moms The Mama Ladder (with Belly Bandit) Verified Sep 1, 2026 | $1,000–$10,000 | All states · Women-Owned | Official page ↗ |
| Closes Sep 30, 2026 | Staff Support to Tribal Radioactive Materials Transportation Committee for Engagement with the United States (U.S.) Department of Energy on Radioactive Materials Transportation Planning Idaho Field Office Verified Sep 4, 2026 | Award ceiling: $2,000,000 | Federal (Grants.gov) | Official page ↗ |
How to read September's list
Start with the “open to” column. A program scoped to one state or one industry is a fast no if it isn't yours, and a genuinely open one is worth ten minutes on the funder's official page. The federal rows follow the posting's own eligibility section, which is the first thing to read there — and federal applications need registrations (SAM.gov, Grants.gov) that take time to process, so a federal deadline inside a few weeks is realistic only if you're already registered.
Fit beats volume. 7 deadlines on a page is not 7 applications to write — it's a list to read honestly and cut down to the one or two that match what your business already does.
What comes after September
Deadlines don't stop at the end of the month. For everything ahead, see the rolling list of deadlines in the next 90 days — same registry, same verification, rolling forward every day. And before you size up any application, it helps to know what these awards are actually worth: real medians from verified published maximums.
If nothing here fits you
That's not a dead end — it's prep time. Annual programs spend most of the year between cycles, and the owners who win are the ones whose numbers, story, and documents are ready the week a window opens. Use a quiet month to get the file ready.
Straight answers
What if I miss a September deadline?
Usually you wait for the program's next cycle — many of these run monthly, quarterly, or annually, and the funder's official page shows what's next. Use the gap to get ready: winners are typically prepared before the window opens.
Are all of these open to any small business?
No — and the “open to” column says so honestly. Some programs are scoped to one state or one industry, some to how a business is owned, and the federal rows follow the posting's own eligibility section. Every row links to the official page with the full rules.
Can I still apply on the deadline day itself?
This page lists a deadline only while it is still ahead, so a program drops off on its deadline day. If you're looking at a program elsewhere and the date is today, go straight to the funder's page and check the cutoff time and time zone before you start.
How current is this list?
The page rebuilds at least daily and the registry behind it is re-verified against funders' own pages daily. Each row shows the date it was last verified. When a deadline passes, the row drops off automatically.
A deadline only matters if the grant fits.
The 3-minute quiz matches your industry, state, and ownership against every verified program and live federal grants — so the deadlines you chase are the ones you can win.
See which grants match my business