Editing 1945 (section)

===September===
[[File:Bartók Béla 1927.jpg|thumb|100px|[[Béla Bartók]]]]
* [[September 6]]
** [[Witold Leon Czartoryski]], Polish nobleman (b. [[1864]])
** [[John S. McCain Sr.]], American admiral (b. [[1884]])
* [[September 9]] – [[Aage Bertelsen]], Danish painter (b. [[1873]])
* [[September 12]] – [[Hajime Sugiyama]], Japanese general (suicide) (b. [[1880]])
* [[September 15]]
** [[Richard Friedrich Johannes Pfeiffer]], German physician and bacteriologist (b. [[1858]])<ref>{{Cite journal|title=Richard Friedrich Johannes Pfeiffer, 1858-1945|first=P.|last=Fildes|date=February 13, 1956|journal=Biographical Memoirs of Fellows of the Royal Society|volume=2|pages=237–247|doi=10.1098/rsbm.1956.0016|s2cid=73380545|doi-access=free}}</ref>
** [[André Tardieu]], 3-time prime minister of France (b. [[1876]])
** [[Anton Webern]], Austrian composer (b. [[1883]])
** [[Zhang Mingqi]], Qing dynasty politician (b. [[1875]])
* [[September 16]] – [[John McCormack (tenor)|John McCormack]], Irish tenor (b. [[1884]])
* [[September 18]]
** [[José Agripino Barnet]], Cuban politician and diplomat, acting [[President of Cuba]] (b. [[1864]])
** [[Blind Willie Johnson]], American gospel blues singer (b. [[1897]])
* [[September 20]]
** [[Augusto Tasso Fragoso]], Brazilian soldier, statesman and Interim [[President of Brazil]] (b. [[1869]])
** [[Eduard Wirths]], German doctor, chief SS doctor at [[Auschwitz concentration camp]] (suicide) (b. [[1909]])
* [[September 24]] – [[Hans Geiger]], German physicist, inventor (b. [[1882]])
* [[September 26]]
** [[Béla Bartók]], Hungarian composer (b. [[1881]])<ref>{{wikicite|ref={{harvid|Stevens|2018}}|reference=Stevens, Halsey. 2018. "[https://www.britannica.com/biography/Bela-Bartok#ref84023 Béla Bartók: Hungarian Composer]". ''Encyclopædia Britannica'' online (accessed 27 September 2018).}}</ref>
** [[Kiyoshi Miki]], Japanese philosopher (b. [[1897]])