Editing 1947 (section)

===September===
* [[September 1]] – [[Frederick Russell Burnham]], American Scout, father of the international Scouting movement (b. [[1861]])
* [[September 8]] – [[Victor Horta]], Belgian Art Nouveau architect (b. [[1861]])
* [[September 9]]
** [[Ananda Coomaraswamy]], Ceylonese-born American philosopher (b. [[1877]])
** [[Mary Willie Arvin]], American nurse (b. [[1879]])
* [[September 10]] – [[Hatazō Adachi]], Japanese general (suicide) (b. [[1890]])
* [[September 11]]
**[[Robert Lee Bullard]], American general (b. [[1861]])
**[[Alice Keppel]], mistress of Edward VII (b. [[1868]])
* [[September 20]]
**[[Fiorello H. La Guardia]], Mayor of New York (b. [[1882]])
**[[Jantina Tammes]], Dutch plant biologist (b. [[1871]])
* [[September 21]] 
** [[Harry Carey (actor)|Harry Carey]], American film actor (b. [[1878]])
** [[Vasily Glagolev]], Soviet general (b. [[1896]])
* [[September 26]] – [[Hugh Lofting]], British-born writer (b. [[1886]])
* [[September 27]] – [[Luigi Barlassina]], Patriarch of Jerusalem (b. [[1872]])