By Aly Semigran
Updated May 13, 2009 at 12:00 PM EDT

Robin Williams will resume his “Weapons of Self-Destruction” stand-up tour, which he had to postpone in March to have heart surgery, this fall, according to Reuters. Williams, who is scheduled to appear on tonight’s Late Show with David Letterman, will start the tour back up on Sept. 30 in Bloomington, Ind., and finish out the 29 remaining shows originally slated. The tour will wrap up Nov. 28 in Atlantic City, N.J. Williams also stars in the upcoming Night at the Museum 2: Battle of the Smithsonian, which opens May 22.