- September 1, 1963 (Football gag for 1963)
- September 2, 1963
- September 3, 1963
- September 4, 1963
- September 5, 1963
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- September 6, 1963 (This strip and the following one strip are adapted in It Was a Short Summer, Charlie Brown)
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- September 7, 1963
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- September 8, 1963
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- September 9, 1963
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- September 10, 1963
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- 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)
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- September 12, 1963
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- September 13, 1963
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- September 14, 1963
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- September 15, 1963
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- September 16, 1963
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- September 17, 1963
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- September 18, 1963
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- September 19, 1963
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- September 20, 1963
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- September 21, 1963
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- September 22, 1963
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- September 23, 1963
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- September 24, 1963
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- September 25, 1963
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- September 26, 1963
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- September 27, 1963
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- September 28, 1963
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- September 29, 1963
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- September 30, 1963 (The first appearance of 555 95472)
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| ← August 1963 | October 1963 → |
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