The Fortnite Chapter 3 Season 4 release date is Sunday, September 18, 2022. The Season 3 ending event starts Saturday, September 17 and you can already see a countdown clock at the center of the map. Followed by downtime for part of September 18 from 2:00 AM ET or 8:00 AM CEST onwards (like past season cross-overs). Season 4 will drop September 18 on 8:00 AM EDT or 2:00 PM CEST.