Google completes September 2026 spam update

Google finished its September 2026 spam update on October 8 after a global rollout that began September 24 at 09:15 PDT and lasted about 13 days and 16 hours. It was the fourth confirmed spam update of 2026, following March, June and August, with no new named policy announced.

• Rollout ran September 24 to October 8 — roughly 13 days and 16 hours
• Update applied globally to all languages, no new policy announced
• Fourth confirmed Google spam update of 2026
• Volatility windows: September 25–27, around September 30, October 4–6