- Sep 1 George Jefferson, English engineer who oversaw privatisation of British Telecom, dies at 91 [1]
- Sep 1 Hal David, American lyricist ("Raindrops Keep Fallin' On My Head"; "What The World Needs Now Is Love"; "Do You Know the Way to San Jose"), dies at 91
- Sep 1 Sat Mahajan, Indian politician (Rural Development Minister), dies at 85
- Sep 1 Smarck Michel, Haitian Prime Minister (1994-95), dies from a brain tumour
- Sep 2 Emanuel Nunes, Portuguese composer, dies at 71
- Sep 2 Mark Abrahamian, American rock guitarist (Starship, 2000-12), dies of a heart attack after a concert at 46
- Sep 3 Charles Rose, American politician (Rep-D-North Carolina, 1973-97), dies at 73
- Sep 3 Michael Clarke Duncan, American actor (The Green Mile), dies from respiratory failure at 54
Sun Myung Moon (1920-2012)
Sep 3 South Korean evangelist (Unification Church), dies at 92
Art Modell (1925-2012)
Sep 6 American businessman (Cleveland Browns, Baltimore Ravens, Modells Stores), dies from heart failure at 87 (b. 1925)
- Sep 6 Jake Eberts, Canadian film producer (Chariots of Fire, Dances with Wolves), dies from cancer at 71
- Sep 7 Dorothy "Dottie" McGuire, American pop vocalist (McGuire Sisters - "Sincerely"; "Sugartime"), dies at 84
- Sep 8 Bill Moggridge [William], British designer (IDEO), dies from cancer at 69
- Sep 9 Ron Taylor, Australian shark expert and cinematographer, dies from myeloid leukemia at 78
- Sep 9 Verghese Kurien, Indian engineer (billion-litre idea), dies from kidney failure at 90
- Sep 10 Lance LeGault, American actor (The A-Team - "Col. Decker"), dies of heart failure at 77
- Sep 10 Steven Springer, American guitarist, dies from lung cancer at 60
- Sep 11 Sergio Livingstone, Chilean soccer goalkeeper who played 52 internationals (CD Universidad Católica) and TV personality (Televisión Nacional de Chile), dies at 92
- Sep 13 Peter Lougheed, Canadian politician (10th Premier of Alberta), dies at 84
- Sep 13 William Duckworth, American composer (Time Curve Preludes), teacher (Bucknell, 1973-2011), and internet pioneer (PitchWeb), dies of pancreatic cancer at 69
- Sep 14 Louis Simpson, Jamaican-American poet (Good News of Death), dies from Alzheimer's disease at 89
- Sep 15 George Hurst, British conductor (BBC Northern Orchestra. 1958-68; Bournemouth Sinfonietta. 1968-74), and educator, dies at 86
- Sep 16 John Ingle, American actor (Edward Quartermaine-General Hospital), dies from cancer at 84
- Sep 16 Ragnhild Alexandra [Princess Ragnhild, Mrs Lorentzen], Norwegian princess, dies of cancer at 82
- Sep 17 Russell E. Train, American environmentalist and administrator (EPA, WWF), dies at 92
- Sep 18 Jack Kralick, American baseball pitcher (MLB All Star 1964; no hitter 1962; Washington Senators/Minnesota Twins, Cleveland Indians), dies from complications of strokes at 77
Steve Sabol (1942-2012)
Sep 18 American filmmaker (35 Emmy awards - NFL Films), dies from brain cancer at 69
- Sep 23 Corrie Sanders, South African boxer, shot dead at 46
- Sep 23 Karl Michael Komma, German composer and music publicist, dies at 98
Andy Williams (1927-2012)
Sep 25 American pop singer ("Moon River"; "Days of Wine and Roses"), dies from bladder cancer at 84
- Sep 26 Johnny Lewis, American actor, dies from injuries from a fall at 28
- Sep 27 Eddie Bert, American bebop jazz trombonist, dies at 90
- Sep 27 Herbert Lom, Czech-born British actor (Pink Panther, Dorian Gray), dies at 95
- Sep 27 R. B. Greaves, American singer, dies from prostate cancer at 68
- Sep 30 Barbara Ann Scott, Canadian figure skater (Olympic gold 1948, World champion 1947-48), dies at 84
- Sep 30 Barry Commoner, American biologist and politician (his work on radioactive fallout led to 1963 Nuclear Test Ban Treaty), dies at 95
- Sep 30 César Bolaños, Peruvian electro-acoustic and experimental musician and composer, dies at 81
- Sep 30 Turhan Bey [Sahultavy], Austrian-born actor dubbed "The Turkish Delight" (Arabian Nights, Ali Baba and the Forty Thieves), dies from Parkinson's disease at 90
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning