- Sep 2 Johannes Bobrowski, German poet and writer, dies at 48
- Sep 3 Otto Lederer, Austrian actor (The Jazz Singer), dies at 79
- Sep 4 Albert Schweitzer, German-French theologian and philosopher (Nobel Peace Prize 1954), dies at 90
- Sep 5 Thomas Johnston, Scottish-born politician (b. 1882)
- Sep 6 (Ernest) "Red" Ingle, American jazz and novelty saxophonist, songwriter, arranger and vocalist (Ted Weems; Spike Jones and His City Slickers; The Natural Seven), dies of an internal hemorrhage at 58
- Sep 6 Konstantin G. Mostras, Russian composer, dies at 79
- Sep 7 Catherine Dale Owen, American actress (Behind Office Doors), dies at 62
- Sep 8 Dorothy Dandridge, American actress (Island in the Sun), dies of accidental overdose at 42
- Sep 9 Julián Antonio Carillo Trujillo, Mexican violinist, conductor and composer (D.W. Griffith's Intolerance), and music theorist (Sonido 13 / The Thirteenth Sound), dies at 90
- Sep 10 Father Divine [Reverend Major Jealous Divine], "the Messenger", African American religious leader
- Sep 10 Robert "Bobby" Jordan, American actor (Dead End Kids, Kid Dynamite, Flying Wild), dies of sclerosis of liver at 42
- Sep 11 Ralph C. Smedley, American Founder of Toastmasters International, dies at 87
- Sep 13 Jean B. Fletcher, American architect (TAC, the Architects' Collaborative), dies of cancer at 50
- Sep 14 J. W. Hearne, English cricket all-rounder (24 Tests, 30 wickets, 1 x 100; Middlesex), dies at 74
- Sep 14 Lydia Mei, Estonian artist who specialized in watercolors and still lifes, dies at 69
- Sep 15 Steve Brown, American jazz musician, dies at 75
- Sep 16 Ahn Eak-tai, Korean cellist, composer (Aegukga - national anthem of South Korea), and conductor, dies at 58
- Sep 16 Fred Quimby, American Academy Award-winning animated film producer (Tom and Jerry cartoons), dies of a heart attack at 79
- Sep 18 Marshall Field IV, American newspaper publisher (owned Chicago Daily News), dies at 49
- Sep 22 Biz Mackey, American Baseball HOF catcher (5 × East-West All-Star Game; NgL World Series 1925 Hilldale Daisies, 1946 Newark Eagles), dies at 68
- Sep 22 Othmar Ammann, Swiss-American bridge engineer (George Washington Bridge; Walt Whitman Bridge; Verrazzano-Narrows Bridge), dies at 86
- Sep 25 Nikolai Sokoloff, Russian-American conductor (Seattle Symphony), dies at 79
- Sep 26 James Fitzmaurice, Irish aviation pioneer (b. 1898)
- Sep 26 Otto Nothling, Australian rugby union player and cricketer (did next to nothling in Aust), dies at 65
Clara Bow (1905-1965)
Sep 27 American silent screen actress (It, Saturday Night Kid), dies at 60
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning