September 2023 looks to be a very exciting month for Pokemon GO Raids as it features the return of two powerful Ultra Beasts, in addition to some classic Legendary and Mega Pokemon!
These are all of the Pokemon that will be Legendary and Mega Raid bosses in September 2023 and what dates they will be in Raids:
September 2023 Pokemon GO Legendary & Mega Raid Bosses & Dates
|Genesect (Burn Drive)
|September 16 – October 6
|September 23-October 6
With all of the Pokemon apart from the two Ultra Beasts, Kartana and Celesteela, having shiny versions in the game, it is a great month for Raiding.
The odds of encountering shiny Legendaries from Raids are 1 in 20, while the odds of encountering a shiny Pokemon after winning a Mega Raid are 1 in 64.
Additionally, September 2023 is also the first time that Kartana and Celesteela will be appearing in both the Northern and Southern Hemispheres. This is excellent news for players who missed out on catching them when they were exclusive to half of the world.
Also, if there is a particular 5-Star Raid boss you want to catch, don’t miss the September 2023 Raid Hours!