September 1, 1963 (Football gag for 1963. This strip is adapted in the documentary A Boy Named Charlie Brown )
September 2, 1963
September 3, 1963
September 4, 1963
September 5, 1963
September 6, 1963 (This and the following strip are adapted in It Was a Short Summer, Charlie Brown . Both strips were also adapted into the film A Boy Named Charlie Brown , but Charlie Brown and Sally are replaced by, respectively, Lucy and Linus.)
September 7, 1963
September 8, 1963
September 9, 1963
September 10, 1963
September 11, 1963 (This strip is adapted in You're a Good Man, Charlie Brown . Patty replaces Sally. This gag was recycled on September 16, 1987 with Peppermint Patty replacing Sally)
September 12, 1963 (This strip is adapted in You're in Love, Charlie Brown )
September 13, 1963
September 14, 1963
September 15, 1963
September 16, 1963
September 17, 1963
September 18, 1963
September 19, 1963 (This strip is used on the page for August 28 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar )
September 20, 1963
September 21, 1963
September 22, 1963
September 23, 1963
September 24, 1963
September 25, 1963 (This strip is used on the page for January 31 of the Dayspring Peanuts A Year's Worth of Smiles and Blessings Desk Calendar )
September 26, 1963
September 27, 1963
September 28, 1963
September 29, 1963
September 30, 1963 (The first appearance of 5 )