- Sep 1 (Arlington) Rand Brooks, American actor (Gone With The Wind; Rin Tin Tin), dies of cancer at 84
- Sep 1 Terry Frost, British artist, dies at 87
- Sep 2 Bruce Waibel, American touring and session rock bassist (Gregg Allman; Firehouse), takes his own life at 45
- Sep 2 Peter West, British sports broadcaster (BBC; editor Playfair Cricket Annual), dies at 83
- Sep 3 (Rebert) R. H. Harris, American gospel singer (The Soul Stirrers), dies at 84
- Sep 3 Paul Jennings Hill, American anti-abortion murderer (b. 1954)
- Sep 3 Rudolf Leiding, German auto executive and 3rd postwar chairman of Volkswagen, dies at 88
- Sep 4 Lola Bobesco, Romanian-born violinist (b. 1921)
- Sep 4 Tibor Varga, Hungarian violinist and orchestra leader (Ripley's Game), dies at 82
- Sep 5 C. H. Sisson, British author (Christopher Homm), dies at 89
- Sep 5 Gisele MacKenzie [LaFlèche], Canadian singer and actress (Your Hit Parade), dies at 76
- Sep 5 Moe Biller, American labor union officer (AFL-CIO, Postal Workers), dies at 87
- Sep 6 Harry Goz, American musical theatre actor and voice actor, dies at 71
- Sep 6 Mohammad Oraz, Iranian mountain climber (b. 1969)
- Sep 7 Great Antonio [Antonio Barichievich], Croatian-Canadian strongman and eccentric, dies at 77
- Sep 7 Warren Zevon, American rock singer-songwriter and musician ("Werewolves of London"; "Lawyers, Guns and Money"; "Excitable Boy"), dies of pleural mesothelioma at 56
- Sep 8 Gulabrai Ramchand, Indian cricket all-rounder (33 Tests, 2 x 100, 41 wickets, BB 6/49; Sind, Bombay, Rajasthan), dies at 76
- Sep 8 Jaclyn Linetsky, Canadian actress (Caillou; 15/Love), dies in a car crash at 17
Leni Riefenstahl (1902-2003)
Sep 8 German film director (Triumph of the Will) and actress (Tiefland), dies in her sleep at 101
Edward Teller (1908-2003)
Sep 9 Hungarian-American physicist, father of the Hydrogen bomb (Manhattan Project), dies at 95
- Sep 9 Larry Hovis, American actor (b. 1936)
- Sep 9 Thomas Allibone, English physicist (Manhattan Project, high-voltage particle acceleration), dies at 99
- Sep 11 Anna Lindh, Swedish Minister for Foreign Affairs, assassinated shopping in Stockholm at 46
- Sep 11 John Ritter, American actor and comedian (Three's Company, It, 8 Simple Rules), dies of an aortic dissection at 54
Johnny Cash (1932-2003)
Sep 12 American country singer ("I Walk the Line"; "Ring of Fire"; "A Boy Named Sue"), dies at 71
- Sep 13 Frank O'Bannon, American politician (Governor of Indiana, 1997-2003), dies of a stroke at 73(
- Sep 13 Kenneth Walter, South African cricket fast bowler (2 Tests, 6 wickets), dies at 63
- Sep 14 John Serry, Sr., American classical, jazz, and bolero accordionist, arranger, composer, organist, and educator, dies at 88
- Sep 14 Yetunde Price, half-sister of Venus and Serena Williams (b. 1972)
- Sep 15 Jack Brymer, British classical clarinetist (Royal Philharmonic; BBC Symphony; London Symphony), and teacher, dies at 88
- Sep 15 Josef Hirsal, Czech novelist (b. 1920)
- Sep 16 Sheb Wooley, American vocalist (Purple People Eater, Hee Haw), dies at 82
- Sep 17 Erich Hallhuber, German actor (b. 1951)
- Sep 17 Ljubica Marić, Serbian composer (Songs Of Space; Octoïcha), pianist, and pedagogue, dies at 94
- Sep 18 Bob Mitchell, British politician (b. 1927)
- Sep 18 Emil Fackenheim, German Holocaust survivor and philosopher (b. 1916)
- Sep 19 Anatoly Bogatyrev, Belarusian composer, dies at 90
- Sep 19 Slim Dusty [David Kirkpatrick], Australian country music singer-songwriter, dies of cancer at 76
- Sep 20 Gordon Mitchell [Charles Allen Pendleton], American actor and bodybuilder (Sinbad), dies a 80
- Sep 20 Lord Williams of Mostyn, Welsh barrister, politician, and Lord President of the Council, dies at 62
- Sep 20 Simon Muzenda, Zimbabwean politician (1st Vice-President of Zimbabwe), dies at 80
- Sep 21 Tom Glazer, American folk singer and songwriter (Because All Men Are Brothers; A Dollar Ain't A Dollar Anymore), dies at 88
- Sep 22 Gordon Jump, American actor (WKRP in Cincinnati - "Arthur Carlson"; Growing Pains - "Ed"; Maytag Repairman), dies of pulmonary fibrosis at 71
- Sep 22 Hugo Young, British journalist (The Guardian), dies at 64
- Sep 23 Yuri Senkevich, Russian TV anchorman (b. 1937)
- Sep 24 Lyle Bettger, American actor (The Greatest Show on Earth, Lone Ranger), dies at 88
- Sep 24 Rosalie Allen, American country singer, yodeler, and disc jockey, dies of congestive heart failure at 79
- Sep 25 Anthony Durante, American professional wrestler, dies at 36
- Sep 25 Aquila al-Hashimi, Iraqi politician (b. 1953)
- Sep 25 Edward Said, Palestinian-American literary critic, dies at 67
- Sep 25 Franco Modigliani, Italian-American economist (1985 Nobel Prize for Economics), dies at 85
- Sep 25 George Plimpton, American writer and actor (b. 1927)
- Sep 25 Herb Gardner, American playwright (b. 1934)
- Sep 26 Augustinus Franz Kropfreiter, Austrian organist and composer, dies at 67
- Sep 26 Robert Palmer, English singer-songwriter ("Addicted To Love"; The Power Station), dies of a heart attack at 54
- Sep 26 Shawn Lane, American session rock, jazz, and world fusion guitarist, dies of lung issues at 40
- Sep 27 Donald O'Connor, American dancer and actor (Singin' in the Rain), dies at 78
- Sep 27 Paul Burlison, American rockabilly musician (The Rock N Roll Trio), dies at 74
Althea Gibson (1927-2003)
Sep 28 American tennis player (7 Grand Slam singles titles), dies of respiratory and bladder infections at 76
- Sep 28 Elia Kazan [Elias Kazantzoglou], Greek-American Tony and Academy Award-winning stage and screen director (A Streetcar Named Desire, On the Waterfront; East of Eden), dies at 94
- Sep 28 George Odlum, Saint Lucian politician (b. 1934)
- Sep 30 Robert Kardashian, Armenian-American lawyer, dies of cancer at 59
- Sep 30 Ronnie Dawson, American rockabilly guitarist (Rockabilly Hall of Fame, 1998), dies of cancer at 64 [1]
- Sep 30 Yusuf Bey, American Black Muslim leader (Nation of Islam), dies of cancer at 67