| 100651 | September 4 | Birth | 1980 – Max Greenfield, American actor |
| 100652 | September 4 | Birth | 1980 – Tiffany Hyden, American ice dancer |
| 100653 | September 4 | Birth | 1980 – Pat Neshek, American baseball player |
| 100654 | September 4 | Birth | 1980 – Hitomi Shimatani, Japanese singer |
| 100655 | September 4 | Birth | 1981 – Beyoncé, American singer-songwriter, producer, dancer, and actress (Destiny's Child) |
| 100656 | September 4 | Birth | 1981 – Richard Garcia, Australian footballer |
| 100657 | September 4 | Birth | 1981 – Lacey Sturm, American singer-songwriter (Flyleaf) |
| 100658 | September 4 | Birth | 1982 – Whitney Cummings, American comedian, actress, producer, and screenwriter |
| 100659 | September 4 | Birth | 1982 – Mark Lewis-Francis, English sprinter |
| 100660 | September 4 | Birth | 1982 – Sarah Solemani, English actress and playwright |
| 100661 | September 4 | Birth | 1983 – Jennifer Metcalfe, English actress |
| 100662 | September 4 | Birth | 1983 – Yuichi Nakamaru, Japanese singer-songwriter, actor, and radio host (KAT-TUN) |
| 100663 | September 4 | Birth | 1983 – Margit Rüütel, Estonian tennis player |
| 100664 | September 4 | Birth | 1983 – Armands Šķēle, Latvian basketball player |
| 100665 | September 4 | Birth | 1984 – Jonathan Adam, Scottish race car driver |
| 100666 | September 4 | Birth | 1984 – Camila Bordonaba, Argentinian singer-songwriter, producer, and actress (Erreway) |
| 100667 | September 4 | Birth | 1984 – Hamish McIntosh, Australian footballer |
| 100668 | September 4 | Birth | 1984 – Kyle Mooney, American comedian, actor, and screenwriter |
| 100669 | September 4 | Birth | 1985 – Raúl Albiol, Spanish footballer |
| 100670 | September 4 | Birth | 1985 – Ri Kwang-chon, North Korean footballer |
| 100671 | September 4 | Birth | 1985 – Walid Mesloub, Algerian footballer |
| 100672 | September 4 | Birth | 1986 – OMI, Jamaican singer |
| 100673 | September 4 | Birth | 1986 – Ayumi Kaihori, Japanese footballer |
| 100674 | September 4 | Birth | 1986 – James Younghusband, Filipino footballer |
| 100675 | September 4 | Birth | 1987 – Maryna Linchuk, Belarusian model |
| 100676 | September 4 | Birth | 1988 – John Tyler Hammons, American politician |
| 100677 | September 4 | Birth | 1990 – James Bay, English singer-songwriter and guitarist |
| 100678 | September 4 | Birth | 1990 – Stefanía Fernández, Venezuelan model, Miss Universe 2009 |
| 100679 | September 4 | Birth | 1990 – Jonny Lomax, English rugby player |
| 100680 | September 4 | Birth | 1990 – Azim Rizk, Algerian-American actor |