| 99931 | September 2 | Death | 1690 – Philip William, Elector Palatine, German husband of Landgravine Elisabeth Amalie of Hesse-Darmstadt (b. 1615) |
| 99932 | September 2 | Death | 1764 – Nathaniel Bliss, English astronomer and mathematician (b. 1700) |
| 99933 | September 2 | Death | 1765 – Henry Bouquet, Swiss-English colonel (b. 1719) |
| 99934 | September 2 | Death | 1768 – Antoine Deparcieux, French mathematician and theorist (b. 1703) |
| 99935 | September 2 | Death | 1790 – Johann Nikolaus von Hontheim, German historian and theologian (b. 1701) |
| 99936 | September 2 | Death | 1813 – Jean Victor Marie Moreau, French general (b. 1763) |
| 99937 | September 2 | Death | 1820 – Jiaqing Emperor of China (b. 1760) |
| 99938 | September 2 | Death | 1832 – Franz Xaver von Zach, Hungarian-French astronomer and academic (b. 1754) |
| 99939 | September 2 | Death | 1834 – Thomas Telford, Scottish engineer and architect, designed the Menai Suspension Bridge (b. 1757) |
| 99940 | September 2 | Death | 1865 – William Rowan Hamilton, Irish physicist, astronomer, and mathematician (b. 1805) |
| 99941 | September 2 | Death | 1872 – N. F. S. Grundtvig, Danish pastor, philosopher, and author (b. 1783) |
| 99942 | September 2 | Death | 1877 – Constantine Kanaris, Greek admiral and politician, 16th Prime Minister of Greece (b. 1793) |
| 99943 | September 2 | Death | 1898 – Wilford Woodruff, American religious leader, 4th President of The Church of Jesus Christ of Latter-day Saints (b. 1807) |
| 99944 | September 2 | Death | 1910 – Henri Rousseau, French painter (b. 1844) |
| 99945 | September 2 | Death | 1921 – Henry Austin Dobson, English poet and critic (b. 1840) |
| 99946 | September 2 | Death | 1921 – Anthony Francis Lucas Croatian-American engineer and businessman (b. 1855) |
| 99947 | September 2 | Death | 1927 – Umegatani Tōtarō II, Japanese sumo wrestler, the 20th Yokozuna (b. 1878) |
| 99948 | September 2 | Death | 1932 – Gustav Ernesaks, Estonian weightlifter (b. 1896) |
| 99949 | September 2 | Death | 1934 – James Allan, New Zealand rugby player (b. 1860) |
| 99950 | September 2 | Death | 1934 – Russ Columbo, American singer, violinist, and actor (b. 1908) |
| 99951 | September 2 | Death | 1934 – Alcide Nunez, American clarinet player (Original Dixieland Jass Band) (b. 1884) |
| 99952 | September 2 | Death | 1937 – Pierre de Coubertin, French historian and educator, founded the International Olympic Committee (b. 1863) |
| 99953 | September 2 | Death | 1941 – Lloyd Seay, American race car driver (b. 1919) |
| 99954 | September 2 | Death | 1942 – James Juvenal, American rower (b. 1874) |
| 99955 | September 2 | Death | 1942 – Tom Williams, Irish soldier (b. 1924) |
| 99956 | September 2 | Death | 1943 – Marsden Hartley, American painter and poet (b. 1877) |
| 99957 | September 2 | Death | 1944 – Bella Rosenfeld, Russian-American model and author (b. 1895) |
| 99958 | September 2 | Death | 1944 – Shirō Takasu, Japanese career naval officer in the Imperial Japanese Navy (b. 1884) |
| 99959 | September 2 | Death | 1945 – Mason Phelps, American golfer (b. 1885) |
| 99960 | September 2 | Death | 1948 – Sylvanus Morley, American archaeologist and spy (b. 1883) |