On Saturday, September 10, SpaceX launched 34 Starlink satellites and AST SpaceMobile’s BlueWalker 3 satellite to orbit from Launch Complex 39A (LC-39A) at Kennedy Space Center in Florida.
This was the 14th launch and landing of this Falcon 9 first stage booster, which previously launched Crew Demo-2, ANASIS-II, CRS-21, Transporter-1, Transporter-3, and now nine Starlink missions.The mission was SpaceX’s 60th Starlink mission to date.
It was SpaceX's 2nd Starlink mission in September and 27th Starlink mission this year.
https://www.spacex.com/launches/sl4-2/