Google rolls out specific updates every year aimed at removing spam content from search results and pushing genuine, trustworthy websites higher. In September 2026, once again a major update has surfaced — the Google September 2026 Spam Update. If you’re a blogger, an SEO professional, or a website owner, it’s important to understand what this update is, when it started, who it affects, and what steps you should take.
What Is the Google September 2026 Spam Update?
Google began rolling out this spam update globally, across all languages, starting at 9:15 a.m. PDT on September 24 — and it is the fourth confirmed spam update of 2026. Earlier this year, spam updates were also released in March, June, and August.
Google’s official status dashboard made clear that the update applies worldwide and across all languages, and that it may take up to two weeks to fully roll out. However, that doesn’t mean the rollout will necessarily take the entire two weeks — it’s simply an estimated timeframe.
Who Does This Update Target?
Many website owners are wondering whether this update is aimed at a specific spam tactic or industry. The answer is clear — this update does not target link spam, nor does it cover every single spam policy; Google has not mentioned any specific changes accompanying this release.
Additionally, Google hasn’t disclosed whether any particular change was made to SpamBrain — its well-known AI-based anti-spam system designed to detect and adapt to new forms of spam behavior — nor has it identified any specific spam policy or tactic as the focus of this update.
Does It Only Affect Spammy Sites?
Google says this update only impacts sites that spam, but as with any major update, there’s a chance of some “collateral damage” — meaning unintended effects. This means that even if your website doesn’t deliberately violate spam policies, you could still notice ranking fluctuations, especially during the rollout period.
Ranking Volatility Observed Before the Update
Search Engine Roundtable reported significant ranking volatility on September 23 and 24 — just before Google’s official announcement. However, it’s also worth noting that volatility observed before an update officially begins shouldn’t automatically be attributed to that same update. This is why SEO experts consistently advise against confusing correlation with causation.
How Is This Update Different From Previous Spam Updates?
Compared to earlier spam updates this year, the September 2026 rollout is taking longer. The August 2026 update was completed in about two and a half days, while the June update wrapped up in just over two days. Historically, Google’s spam updates have varied widely in duration — the October 2022 update completed in 48 hours, while the October 2023 update took 15 days to finish. This makes clear that the length of each rollout depends on Google’s internal systems and scale, and is difficult to predict in advance.
A Special Note for Affiliate and Content Websites
If you run an affiliate website, this update is particularly relevant to you. Google’s spam policies distinguish between affiliate pages that add real value — such as original insights or comparisons — and thin pages that simply repeat merchant content without adding anything new. While Google hasn’t confirmed that this update specifically targets thin affiliate content, it’s still wise to be cautious.
Google has also advised website owners to review older pages and update outdated offers, prices, and product information wherever it would benefit readers.
What Should You Do If Your Site Is Affected?
Google repeatedly emphasizes that if a site sees ranking or traffic changes after a spam update, it should review its spam policies. Google has also noted that if a site consistently complies with spam policies over a period of months, its systems may gradually recognize this, potentially improving the site’s standing.
Based on this, here are some practical steps you can take:
- Don’t panic and make drastic changes immediately — don’t attribute a one- or two-day dip directly to this update.
- Re-read Google’s Search Spam Policies — understand exactly what Google explicitly considers spam (cloaking, doorway pages, scraped content, keyword stuffing, etc.).
- Improve low-value legacy pages — update or remove outdated, incomplete, or duplicate content.
- Add genuine value to affiliate content — instead of copying merchant descriptions, include your own comparisons, experience, and opinions.
- Monitor data over several weeks — since the rollout can take up to two weeks, give trends time to develop in Search Console rather than reacting to a single day’s numbers.
What Exactly Is a Google Spam Update?
If you’re new to this and unsure what “spam update” actually means — in simple terms, a Google spam update is an announced improvement to systems that are already detecting spam all the time. In other words, it’s not a one-day event but part of an ongoing process that Google periodically rolls out at scale and makes public.
And on X (after the typo):
Today we released the September 2026 spam update. We’ll update our ranking release history page when the rollout is complete: https://t.co/gaZTPxc9tA
— Google Search Central (@googlesearchc) September 24, 2026
Frequently Asked Questions (FAQs)
1. When did the Google September 2026 Spam Update start?
It began on September 24, 2026, at approximately 9:15 a.m. PDT, and applies globally across all languages.
2. How long will this update take to complete?
According to Google, the rollout may take up to two weeks, though it isn’t guaranteed to take the full duration.
3. Does this update only target link spam?
No, Google has clarified that this update does not specifically target link spam, nor does it cover every single spam policy.
4. Which spam update of 2026 is this?
This is the fourth confirmed spam update of the year, following previous updates in March, June, and August 2026.
5. What should I do if my website is negatively affected by this update?
Avoid making drastic changes out of panic. First, re-review Google’s spam policies, improve low-value pages, and monitor your data for a few weeks, since recovery can take time to show.
6. Is this update risky for affiliate websites?
Google hasn’t specifically said it’s targeting affiliate sites, but “thin” affiliate pages lacking original value are always at risk — so adding genuine information and comparisons to your content is a smart move.
7. Does a ranking drop always mean this specific update caused it?
No. Not all volatility seen before or during the rollout is necessarily caused by this update — some of it could simply be normal algorithmic fluctuation.
8. Is this the same as a broad core update?
No, spam updates and broad core updates are different. Spam updates specifically target policy violations and spammy behavior, while core updates involve broader changes to how Google evaluates and ranks overall content quality.
Conclusion
Google’s September 2026 Spam Update is the fourth spam update of the year, rolling out globally across all languages. While Google hasn’t confirmed that it targets any specific spam policy or industry, websites with thin, copied, or policy-violating content may still see ranking declines. The best strategy remains the same: don’t panic, focus on your website’s overall quality, and keep improving content in line with Google’s official spam policies.
