Edward L. Doheny (1856-1935)
Sep 8 American oil tycoon who drilled the 1st successful oil well in Los Angeles and set off the California oil boom, dies of natural causes at 79
Huey Long (1893-1935)
Sep 8 American politician, 40th Governor of Louisiana (1928-32) and Senator (1932-35), assassinated at 42 by Carl Weiss at the Baton Rouge Capitol building
- Sep 19 Jules Cambon, French ambassador, to U.S. (1897), Spain (1902–07) and Germany (1907–14), dies at 90
- Sep 19 Konstantin Tsiolkovsky, Russian pioneer in rocket and space research, dies at 78
- Sep 21 Herm McFarland, American MLB outfielder (first grand slam in AL history), dies at 65
- Sep 22 Karl Schröder II, German composer, dies at 86
- Sep 26 Andy Adams, American writer (Cattle fire), dies at 76
- Sep 27 Alan Gray, British composer, dies at 79
- Sep 28 William Kennedy Dickson, Scottish inventor (devised an early motion picture camera), dies at 75