September 17 is the 260th day of the year (261st in leap years). There are 105 days remaining.

• 1830 — Charles Routley died.
• 1898 — Mary Cowan died.
• 1949 — Harvey Carignan is apprehended.
• 1957 — John Charles Bolsinger is born.
• 1972 — Ronald Hinton is born.
• 1978 — Stephan Letter is born.
• 1991 — Lutz Reinstrom is apprehended.
• 1992 — Adrian Stroe is apprehended.
• 1997 — Benjamin Atkins died.
• 1997 — Brydon Brandt is apprehended.
• 2003 — Henry Lee Jones is apprehended.