- September 1, 1952
- September 2, 1952 (This strip is adapted in Good Grief, Charlie Brown: Peanuts, with Lucy replacing Patty)
- September 3, 1952
- September 4, 1952
- September 5, 1952
- September 6, 1952
- September 7, 1952
- September 8, 1952
- September 9, 1952 (This strip is adapted in Good Grief, Charlie Brown: Peanuts, with Lucy replacing Violet)
- September 10, 1952
- September 11, 1952
- September 12, 1952
- September 13, 1952
- September 14, 1952
- September 15, 1952
- September 16, 1952
- September 17, 1952
- September 18, 1952
- September 19, 1952 (The first appearance of Linus)
- September 20, 1952
- September 21, 1952
- September 22, 1952 (Linus is named)
- September 23, 1952
- September 24, 1952
- September 25, 1952
- September 26, 1952
- September 27, 1952
- September 28, 1952
- September 29, 1952 (First interaction between Linus and Schroeder)
- September 30, 1952