Google's fourth spam update of 2026 began on 24 September and may take up to two weeks to finish. Compliant firms have little to do but wait it out.
Google has started rolling out its September 2026 spam update, the fourth of the year. It began on 24 September 2026, and Google confirmed it on its own Search Status Dashboard. The update is global and covers every language. What stands out is the timing. Google says the rollout may take up to two weeks to complete, well beyond the two or three days its March, June and August updates each took. Google's John Mueller, as Search Engine Roundtable reported, confirmed the two-week figure was not a mistake and said this one is likely to take longer than recent updates.
Google named no specific spam policy, no new category, and no share of queries affected. The dashboard points only to its general guidance on spam updates, so this reads as a standard re-run of Google's spam systems rather than a new rule. It is the fourth spam update of the year, as Search Engine Journal noted.
Compliant sites are not the target, but positions can move
A spam update adjusts how Google's systems handle pages that break its spam policies. Legitimate, policy-abiding sites are not the intended target. For an accounting or advisory firm publishing honest, useful pages, there is nothing here to fix. The catch is the long window. While the update settles, ranking positions can rise and fall from one week to the next, and a dip mid-rollout is not proof of a penalty. Movement during these two weeks tells you little until the update finishes.
The measured response is to leave the daily swings alone. Wait for Google to mark the rollout complete, then compare where you landed against where you started. This is the same steadiness that pays off during a core update, where week-to-week wobble is normal and the picture only clears once it settles. Search Engine Land (owned by Semrush) noted the August update finished in about two days, so a fortnight of gradual change is the thing to plan around this time.
One more distinction is worth holding. Some trackers saw heavy ranking movement on 23 and 24 September, just before the announcement. Google said that earlier volatility was not the spam update, so treat it as separate noise rather than an early sign of this rollout.
For firms that want rankings to hold through updates like this, steady SEO work counts for more than any single week's chart.
Frequently asked questions
Do I need to do anything right now?
For a site that follows Google's spam policies, there is no required action. Keep publishing clear, useful pages and let the rollout finish. A spam update targets policy-breaking sites, not legitimate ones.
My rankings moved this week. Is that a penalty?
Not necessarily. While the update rolls out over up to two weeks, positions can shift from week to week. A dip partway through is not proof of a penalty. Wait until Google marks the rollout complete before judging where you have landed.
Why is this spam update taking two weeks?
Google says the rollout may take up to two weeks, longer than the two or three days its earlier 2026 spam updates took. Google's John Mueller confirmed the timeframe was not a typo. Google gave no reason and named no new spam policy.
Is this the same as the ranking volatility just before the announcement?
No. Some trackers saw heavy movement on 23 and 24 September, but Google said that earlier volatility was not the spam update. Treat it as separate from this rollout.
What should I watch once it finishes?
Compare your rankings and traffic after Google confirms the rollout is complete against where they were before it started. If you have followed Google's spam policies and something still dropped, review your pages against those policies rather than reacting to mid-rollout swings.
