
Google’s September 2026 Spam Update: What Business Owners Should Check This Week
Google began rolling out its September 2026 spam update on September 24, with a window of up to two weeks, longer than earlier 2026 spam updates. Business owners should audit templated, mass-produced, or unreviewed AI pages now, avoid major site changes during rollout, and judge results in Search Console.
What Google Announced and When
Google started the September 2026 spam update on September 24 at 9:15 a.m. Pacific. Google said the rollout could take up to two weeks. That is a long window compared with earlier spam updates this year, which finished in a few days or less, according to Coalition Technologies.
This is the fourth confirmed spam update of 2026, following March, June, and August. Search industry reporting from Search Engine Roundtable describes two waves of volatility so far: one around September 25 to 27, and a second beginning September 30. As of October 2, there was no announced completion date.
Google has not named a specific tactic as the target. That matters, because it means nobody outside Google can tell you exactly what triggered a ranking change. What we can do is read Google’s published rules and focus on the practices those rules already prohibit.
Why This Matters for a $1M-$10M Company
Most owners at this size rely on their website for a meaningful share of leads, and many have added content quickly over the past two years, often with AI help. A spam update is the moment Google re-examines whether that content truly helps visitors. A drop in rankings can mean fewer calls and form fills within days.
The Risk Sits in Pages Built at Scale
Google’s spam policies define scaled content abuse as generating many pages primarily to manipulate rankings rather than help users, and they explicitly include using generative AI tools to produce many pages without adding value. The same policies cover doorway abuse, where pages exist to rank for similar queries and funnel visitors along.
One analysis from Distribb describes a pattern in the early fallout: sites with highly templated pages, such as 143 service pages, one per county, all built from the same template. A simple test follows from that. If you could swap the city name on a page and nothing else would need to change, that page is a risk.
Recovery Is Slow, So Prevention Is Cheaper
Coalition Technologies notes that Google has said it can take months for its systems to recognize that a site now complies with its policies. Cleaning up after a hit is far slower than avoiding one, which is why the audit below is worth doing even if your traffic looks fine today.
What to Do This Month
Step 1: Hold Major Site Changes Until the Rollout Ends
While the update is active, rankings move unevenly and rank trackers can disagree. Large redesigns, mass deletions, or URL changes now make it hard to tell what caused any shift. Make small fixes, but save big structural moves until the rollout is confirmed complete.
Step 2: Inventory Pages Built from Templates
List every page that was produced in bulk: location pages, service-plus-city pages, comparison pages, and glossary entries. For each one, ask whether it contains something a visitor cannot get elsewhere, such as your pricing approach, local project photos, real customer results, or staff expertise. Pages that fail this test should be rewritten, consolidated into one stronger page, or removed.
A quick gut check helps here. Open five of your most important service pages and read them as a stranger would. Does each page explain who you serve, how you price, and why a buyer should trust you? If the honest answer is no, that page is more exposed than one with specific, verifiable detail, no matter how it was written.
Step 3: Put a Human on Every AI-Assisted Page
Google’s guidance, as noted in the Search Engine Roundtable recap, is that AI-generated content should be manually fact-checked and reviewed for accuracy and trustworthiness before publishing. Assign an owner for every article and page. Check claims, add first-hand detail, and make sure the page answers a question your customers actually ask.
Step 4: Measure with Search Console, Not Rank Trackers
Record your Search Console clicks and impressions for the two weeks before September 24, then compare against the two weeks after the rollout finishes. Focus on revenue pages first: the services and locations that produce your best leads. If a revenue page drops, review it against the policies above before touching anything else.
The Bigger Lesson for AI Search Visibility
Quality signals now influence more than blue-link rankings. Google’s spam policies state that manipulating generative AI features, including AI Overviews and AI Mode, falls under existing spam policies, as reported by Coalition Technologies. The content that earns citations in AI answers is the same content that survives spam updates: original, accurate, and written for the customer.
How TMC Marketing Can Help
TMC Marketing helps owners decide which pages to keep, fix, or retire, and builds content plans around real customer questions instead of volume. If you want a second set of eyes on your site before this update finishes, explore our CMO solution or our digital marketing packages, and browse more guidance on the TMC Marketing blog.
Schedule a discovery call with TMC Marketing
Frequently Asked Questions
When did Google’s September 2026 spam update start?
It began on September 24, 2026, at 9:15 a.m. Pacific. Google said the rollout could take up to two weeks, and industry trackers reported a second wave of volatility starting September 30.
What is Google’s spam update targeting?
Google has not named a specific target. Its published spam policies cover practices such as scaled content abuse, doorway abuse, cloaking, and link spam, so those are the safest areas to audit.
Should I change my website while the update is rolling out?
Avoid major changes such as redesigns, mass deletions, or URL restructuring until the rollout finishes. Small accuracy fixes are fine. Large changes make it hard to learn what caused any ranking shift.
Is AI-generated content a problem for rankings?
AI content is not banned. Google’s policies target generating many pages without adding value for users. Review and fact-check every AI-assisted page, and add original detail only your business can provide.
How long does recovery take after a ranking drop?
It can take months. Google has said its systems need time to recognize that a site now follows its policies, so fix real issues early and track progress in Search Console.
Source References
- Google Search Central: Spam policies for Google web search
- ALM Corp: Google starts rolling out its September 2026 spam update
- Coalition Technologies: Google September 2026 Spam Update
- Distribb: September 2026 Spam Update: What Got Hit, What Came Back
- Search Engine Roundtable: Daily Search Forum Recap: October 2, 2026
- Search Engine Roundtable: October 2026 Google Webmaster Report
- Ignite Digital: Google’s September 2026 Spam Update: What You Need to Know