| 100291 | September 3 | Birth | 1984 – Seo In-young, South Korean singer, dancer, and actress (Jewelry) |
| 100292 | September 3 | Birth | 1985 – Carlo Aquino, Filipino actor and singer |
| 100293 | September 3 | Birth | 1985 – Scott Carson, English footballer |
| 100294 | September 3 | Birth | 1985 – Yūki Kaji, Japanese voice actor and singer |
| 100295 | September 3 | Birth | 1985 – Kelvin Wilson, English footballer |
| 100296 | September 3 | Birth | 1986 – Shaun White, American snowboarder, skateboarder, and guitarist (Bad Things) |
| 100297 | September 3 | Birth | 1987 – Chris Fountain, English actor |
| 100298 | September 3 | Birth | 1987 – Modibo Maïga, Malian footballer |
| 100299 | September 3 | Birth | 1987 – James Neal, Canadian ice hockey player |
| 100300 | September 3 | Birth | 1988 – Jérôme Boateng, Ghanaian-German footballer |
| 100301 | September 3 | Birth | 1988 – Marine Debauve, French gymnast |
| 100302 | September 3 | Birth | 1988 – Hana Makhmalbaf, Iranian director and producer |
| 100303 | September 3 | Birth | 1990 – Rita Volk, Uzbekistani-American actress |
| 100304 | September 3 | Birth | 1992 – August Alsina, American singer-songwriter |
| 100305 | September 3 | Birth | 1992 – Shōta Sometani, Japanese actor |
| 100306 | September 3 | Birth | 1993 – Rina Koike, Japanese model and actress |
| 100307 | September 3 | Birth | 1994 – Glen Rea, Irish footballer |
| 100308 | September 3 | Birth | 2002 – Bugoy Cariño, Filipino actor and dancer |
| 100309 | September 3 | Death | 264 – Sun Xiu, Chinese emperor (b. 235) |
| 100310 | September 3 | Death | 863 – Umar al-Aqta, Arab emir |
| 100311 | September 3 | Death | 1354 – Joanikije II, Serbian patriarch and saint |
| 100312 | September 3 | Death | 1402 – Gian Galeazzo Visconti, Italian son of Galeazzo II Visconti (b. 1351) |
| 100313 | September 3 | Death | 1420 – Robert Stewart, Duke of Albany (b. 1340) |
| 100314 | September 3 | Death | 1467 – Eleanor of Portugal, Holy Roman Empress (b. 1434) |
| 100315 | September 3 | Death | 1592 – Robert Greene, English author and playwright (b. 1558) |
| 100316 | September 3 | Death | 1634 – Edward Coke, English lawyer, judge, and politician, Lord Chief Justice of England and Wales (b. 1552) |
| 100317 | September 3 | Death | 1653 – Claudius Salmasius, French scholar and author (b. 1588) |
| 100318 | September 3 | Death | 1658 – Oliver Cromwell, English general and politician (b. 1599) |
| 100319 | September 3 | Death | 1720 – Henri de Massue, Earl of Galway, French general and diplomat (b. 1648) |
| 100320 | September 3 | Death | 1729 – Jean Hardouin, French historian and scholar (b. 1646) |