Google started rolling out its September 2026 spam update on September 24 at 9:15 a.m. Pacific, according to its own Search Status Dashboard, and this one comes with a warning attached: the rollout could take up to two weeks to finish. That would make it by far the slowest of the four spam updates Google has shipped in 2026, and as of September 28 it is still in progress with no completion date listed.
How This Compares to Google’s Earlier 2026 Spam Updates
The pattern this year has been getting slower, not faster. March’s spam update wrapped in under 20 hours, the fastest confirmed rollout in the dashboard’s history. June’s took about two days. August’s ran two days and sixteen hours. September’s stated window of up to two weeks is roughly five times longer than August’s, and Google has not said why.
The dashboard entry uses the same boilerplate language Google always uses for these: the update “applies globally and to all languages,” and it enforces existing spam policies rather than introducing new ones. There is no new policy category attached, no companion blog post, and no figure for the share of queries affected.
Who Should Actually Pay Attention
Most sites will not see anything from this. Spam updates target specific, identifiable patterns rather than adjusting rankings broadly the way a core update does. Historically, the sites that move are the ones running templated or programmatic content at scale with little original substance behind it, sites built on expired domains repurposed to inherit old authority, or content stitched together specifically to game AI Overviews and AI Mode rather than answer a real question. Google folded manipulation of generative AI responses into its spam policies last year, so that is fair game for this kind of enforcement too, not a separate concern.
If none of that describes your site, a two-week rollout window mostly just means more patience is needed before any ranking movement can be pinned on this update specifically rather than something else.
What to Check While the Rollout Is Still Live
- Compare Search Console’s Performance report for the last few days against the prior week, focused on the pages or sections you would actually expect to be flagged rather than the whole site.
- Check the Manual Actions report anyway. A spam update is algorithmic, not a manual action, but it costs nothing to rule one out in the same pass.
- If part of the site runs on templated or AI-assisted content at scale, spot check a sample of those pages for whether they would genuinely hold up for a visitor who is not a search engine.
- Hold off on major structural changes until the rollout finishes. With a two-week window, it gets a lot harder to tell what the update did versus what your own change did.
We covered the AI Overviews side of Google’s spam enforcement in how to get your WordPress site cited by ChatGPT and AI Overviews, which is worth a look given how much of this update’s scope now overlaps with AI-generated content. For a sense of how much faster these rollouts usually move, our coverage of the August 2026 spam update has the numbers from last time.
Sources
- Google Search Status Dashboard: September 2026 Spam Update incident
- Search Engine Roundtable: Google September 2026 Spam Update Is Rolling Out
- Search Engine Journal: Google Rolls Out September 2026 Spam Update Globally
- PPC Land: Google’s September Spam Update Gets a Two-Week Rollout, Its Longest Yet
