- Sep 2 Troy Donahue, American actor (Hawaiian Eye), dies at 65
- Sep 3 Pauline Kael, American film critic (NY Times), dies at 82
- Sep 3 Thuy Trang, Vietnamese-American actress (Mighty Morphin Power Rangers), dies at 27
- Sep 5 Justin Wilson, American Cajun chef (Wise Potato Chips) and humorist, dies at 87
- Sep 7 Billie Lou Watt, American actress (Astro Boy), dies at 77
- Sep 7 Spede Pasanen, Finnish film director and comedian, dies at 71
- Sep 11 Berinthia "Berry" Berenson, American photographer, actress, model, and widow of actor Anthony Perkins, dies on American Airlines Flight 11 in the 9/11 attacks at 53
- Sep 11 David Angell, American sitcom creator (Frazier), dies aboard a plane in a terrorist attack on the World Trade Center at 55
- Sep 12 Victor Wong [Yee Keung Victor Wong], American actor (Big Trouble in Little China), dies of a heart attack at 74
- Sep 13 Dorothy McGuire, American actress (Gentlemen's Agreement, Old Yeller, Summer Magic), dies of cardiac arrest following a short illness at 85
- Sep 15 Fred de Cordova, American film and TV producer (Tonight Show), dies at 90
- Sep 16 Samuel Z. Arkoff, American film producer and co-founder of American International Pictures, dies at 83