| 99541 | September 1 | Birth | 1992 – Kirani James, Grenadian sprinter |
| 99542 | September 1 | Birth | 1993 – Alexander Conti, Canadian actor |
| 99543 | September 1 | Birth | 1993 – Louise delos Reyes, Filipino actress |
| 99544 | September 1 | Birth | 1993 – Ilona Mitrecey, French singer |
| 99545 | September 1 | Birth | 1993 – Silje Norendal, Norwegian snowboarder |
| 99546 | September 1 | Birth | 1994 – Bianca Ryan, American singer-songwriter and guitarist |
| 99547 | September 1 | Birth | 1994 – Anna Smolina, Russian tennis player |
| 99548 | September 1 | Birth | 1995 – Nathan MacKinnon, Canadian ice hockey player |
| 99549 | September 1 | Birth | 1996 – Zendaya, American actress, singer, and dancer |
| 99550 | September 1 | Death | 1067 – Baldwin V, Count of Flanders (b. 1012) |
| 99551 | September 1 | Death | 1159 – Pope Adrian IV (b. 1100) |
| 99552 | September 1 | Death | 1256 – Kujō Yoritsune, Japanese shogun (b. 1218) |
| 99553 | September 1 | Death | 1414 – William de Ros, 6th Baron de Ros, English politician, Lord High Treasurer (b. 1369) |
| 99554 | September 1 | Death | 1557 – Jacques Cartier, French navigator and explorer (b. 1491) |
| 99555 | September 1 | Death | 1581 – Guru Ram Das, Pakistani 4th of the Ten Gurus of Sikhism (b. 1534) |
| 99556 | September 1 | Death | 1600 – Tadeáš Hájek, Czech physician and astronomer (b. 1525) |
| 99557 | September 1 | Death | 1615 – Étienne Pasquier, French lawyer and jurist (b. 1529) |
| 99558 | September 1 | Death | 1648 – Marin Mersenne, French mathematician, theologian, and philosopher (b. 1588) |
| 99559 | September 1 | Death | 1678 – Jan Brueghel the Younger, Flemish painter (b. 1601) |
| 99560 | September 1 | Death | 1685 – Leoline Jenkins, Welsh lawyer, jurist, and politician, Secretary of State for the Northern Department (b. 1625) |
| 99561 | September 1 | Death | 1687 – Henry More, English priest and philosopher (b. 1614) |
| 99562 | September 1 | Death | 1715 – François Girardon, French sculptor (b. 1628) |
| 99563 | September 1 | Death | 1715 – Louis XIV of France (b. 1638) |
| 99564 | September 1 | Death | 1818 – Robert Calder, Scottish admiral (b. 1745) |
| 99565 | September 1 | Death | 1838 – William Clark, American soldier, explorer, and politician, 4th Governor of Missouri Territory (b. 1770) |
| 99566 | September 1 | Death | 1839 – Izidor Guzmics, Hungarian theologian and educator (b. 1786) |
| 99567 | September 1 | Death | 1868 – Ferenc Gyulay, Hungarian-Austrian commander and politician (b. 1799) |
| 99568 | September 1 | Death | 1922 – Samu Pecz, Hungarian architect and academic (b. 1854) |
| 99569 | September 1 | Death | 1930 – Peeter Põld, Estonian scientist and politician, 1st Estonian Minister of Education (b. 1878) |
| 99570 | September 1 | Death | 1943 – Charles Atangana, Cameroonian ruler (b. 1880) |