- Sep 1 Mohammed Atta, Egyptian terrorist (9/11 attacks ringleader), born in Kafr El Sheikh, Egypt (d. 2001)
- Sep 2 Cynthia Watros, American actress
- Sep 4 Carlette Guidry-White, American athlete (Olympic gold 4 x 100m relay 1992, 1996; World C'ships 1995), born in Houston, Texas
- Sep 4 John DiMaggio, American actor (Disenchantment; Futurama), born in North Plainfield, New Jersey
- Sep 4 John Preston, American actor (Greg-General Hospital), born in Cedar City, Utah
- Sep 4 Mike Piazza, American Baseball HOF catcher (12 x MLB All-Star; 10 x Silver Slugger; LA Dodgers, NY Mets), born in Norristown, Pennsylvania
- Sep 4 Phill Lewis, American actor (The Suite Life of Zack & Cody - "Mr. Moseby"), and director, born in Uganda
- Sep 5 Brad Wilk, American drummer (Audioslave, Rage Against the Machine), born in Portland, Oregon
- Sep 6 Christopher Brookmyre, Scottish writer (Quite Ugly One Morning), born in Glasgow, Scotland
- Sep 6 Gene Patrick, American actor (Gemini: Twin Stars), born in Philadelphia, Pennsylvania
- Sep 6 Pat Meares, American baseball infielder (Minnesota Twins), born in Salina, Kansas
- Sep 6 Paul Rea, American TV and web journalist, born in Clarkesville, Georgia
- Sep 7 Erik Williams, American football tackle (3 × First-team All-Pro; 4 x Pro Bowl; Super Bowl 1992, 93, 95 Dallas Cowboys), born in Philadelphia, Pennsylvania
- Sep 7 Kyle Stevens, American rock guitarist (Bang Tango, 1988-1993; 2019-present - "Dancin' on Coals"), born in Seattle, Washington
- Sep 9 Clive Mendonca, English footballer, born in London
- Sep 9 Jon Drummond, American 4x400m runner (Olympic silver 1996), born in Philadelphia, Pennsylvania
- Sep 9 Julia Sawalha, English actress (Saffron-Abfab, Chrissy-Buddy's Song), born in London
- Sep 10 Big Daddy Kane [Antonio Hardy], American rapper, born in Brooklyn, New York
- Sep 10 Guy Ritchie, British film director (Sherlock Holmes), born in Hartfield, England
- Sep 11 Kay Hanley, American singer-songwriter (Letters to Cleo), born in Boston, Massachusetts
- Sep 11 Konstantin Shafranov, Kazakhstani ice hockey forward (Team Kazakhstan 1998, St. Louis Blues), born in Oskemen, Kazakhstan
- Sep 11 Paul Mayeda Berges, American film writer and director, born in Torrance, California
- Sep 12 Paul F. Tompkins, American comedian, born in Mount Airy, Pennsylvania
- Sep 12 [Reid Laurence] Larry LaLonde, American guitarist (Primus - "Frizzle Fry"), born in Richmond, California
- Sep 13 Bernie Williams, Puerto Rican baseball outfielder (World Series 1996, 98–2000; ALCS MVP 1996; 5 × MLB All-Star; NY Yankees), born in San Juan, Puerto Rico
- Sep 13 Brad Johnson, American NFL quarterback (Minnesota Vikings), born in Marietta, Georgia
- Sep 13 Chris Morris, Canadian CFL tackle (Edmonton Eskimos), born in Scarborough, Ontario
- Sep 13 Denny Neagle, American baseball pitcher (MLB All Star 1995, 97; NL wins leader 1997; Pittsburgh Pirates, Atlanta Braves), born in Gambrills, Maryland
- Sep 13 Emma Wiklund [Sjöberg], Swedish model and actress, born in Stockholm, Sweden
- Sep 13 John Roderick, American indie-rock musician, singer-songwriter (The Long Winters),and podcaster (Omnibus; Friendly Fire), born in Seattle, Washington
- Sep 14 Dan Cortese, American actor and TV host (Jess Hanson-Melrose Place), born in Sewickley, Pennsylvania
- Sep 14 Ginger Helgeson-Nielson, American tennis star, born in St. Cloud, Minnesota
- Sep 14 Vincent Ghadimi, Belgian pianist and composer, born in Rocourt, Liège, Belgium
- Sep 15 Danny Nucci, American actor (Gabriel Ortega-Falcon Crest), born in Klagenfurt, Austria
- Sep 15 Rich Robertson, American pitcher (Minnesota Twins), born in Nacogdoches, Texas
Marc Anthony (55 years old)
Sep 16 American salsa and pop singer-songwriter, born in New York City
- Sep 16 Tara Cross-Battle, American volleyball hitter (Olympic bronze 1992, 96), born in Houston, Texas
- Sep 16 Walt Becker, American writer and film director (Van Wilder), born in Hollywood, California
- Sep 17 Anastacia [Newkirk], American pop singer ("Left Outside Alone"), born in Chicago, Illinois
- Sep 17 Lord Jamar [Lorenzo Dechalus], American rapper (Brand Nubian), born in The Bronx, New York
- Sep 17 Marie-Chantal, British-born Crown Princess of Greece, wife of Pavlos, Crown Prince of Greece (heir to abolished Greek throne), born in London
- Sep 17 Suzy Cote, American actress (Samantha in Guiding Light), born in Santa Barbara, California
- Sep 17 Valeri Zelepukin, Russian NHL forward (NJ Devils, Team Russia Olympic silver 1998), born in Voskresensk, Soviet Union
- Sep 18 Cappadonna [Darryl Hill], American rapper (Wu-Tang Clan), born in Staten Island, New York
- Sep 18 Toni Kukoč, Croatian basketball forward (NBA C'ship 1996, 97, 98 Chicago Bulls; NBA Sixth Man of the Year 1996; 5 × Euroscar Player of the Year), born in Split, Croatia
- Sep 19 Paweł Łukaszewski, Polish classical and choral music composer, and music director (Musica Sacra - Warsaw), born in Częstochowa, Poland
- Sep 20 Eric Turner, American football safety (First-team All-Pro 1994; Pro Bowl 1994, 96; NFL interceptions co-leader 1994; Cleveland Browns, Baltimore Ravens), born in Ventura, California (d. 2000)
- Sep 20 Leah Pinsent, Canadian actress (April Fool's Day), born in Toronto, Ontario
- Sep 20 Tim Rogers, Australian singer and songwriter ("You Am I"), born in Kalgoorlie, Western Australia,
- Sep 21 Jon Brookes, English drummer (The Charlatans), born in Burntwood, Staffordshire (d. 2013)
Ricki Lake (55 years old)
Sep 21 American actress (Hairspray) and talk show host (Ricki), born in New York City
- Sep 21 Trugoy the Dove [David Jolicoeur], American rapper and producer (De La Soul - "Me Myself and I"), born in Brooklyn, New York (d. 2023)
- Sep 22 Godfrey Myles, America NFL linebacker (Dallas Cowboys), born in Miami, Florida
- Sep 22 Lisa Alexander, Canadian synchronized swimmer (Olympic silver 1996), born in Toronto, Ontario
- Sep 23 Yvette Fielding, English television presenter (Blue Peter), born in Manchester, England
- Sep 25 Friso, Prince of Orange-Nassau, second son of Queen Beatrix, born at University Medical Center Utrecht, Netherlands (d. 2013)
- Sep 25 John Worsfold, Australian rules football coach, born in Subiaco, Australia
Will Smith (55 years old)
Sep 25 American Grammy Award-winning rapper (DJ Jazzy Jeff & the Fresh Prince - "Parents Just Don't Understand"), and actor (Men in Black, Independence Day; Hitch; Fresh Prince of Bel Air), born in Philadelphia, Pennsylvania
- Sep 26 Anthony Shadid, New York Times foreign correspondent and two time Pulitzer winner, born in Oklahoma City, Oklahoma (d. 2012)
- Sep 26 Jim Caviezel, American actor, born in Mount Vernon, Washington
- Sep 27 Mark Bradtke, Australian basketball center (Olympics 1988, 92, 96), born in Adelaide, South Australia
- Sep 27 Rob Moore, NFL wide receiver (NY Jets, Arizona Cardinals)
- Sep 28 Bess Singh [Lennart Bes], Dutch pop drummer (Burma Shave - "Hippies"; The Polar Exploration Ship), born in Netherlands
- Sep 28 Naomi Watts, British actress (King Kong, 21 Grams), born in Shoreham, Kent
- Sep 28 Vanessa Vadim, director and daughter of Jane Fonda (Last Party), born in Paris, France
- Sep 29 Alexander Skolnick, American heavy metal and jazz guitarist (Testament; Trans-Siberia Orchestra), born in Berkeley, California
- Sep 29 Luke Goss, English actor (Traffick) and musician (Bros. - "I Owe You Nothing"), born in London, England
- Sep 29 Matt Goss, English singer-songwriter (Bros. - "I Owe You Nothing"), born in London, England
- Sep 29 Mika Häkkinen, Finnish auto racer (World F1 Champion 1998, 99), born in Vantaa, Finland
- Sep 29 Patrick Burns, American television presenter, born in Highland Park, Illinois
- Sep 29 Samir Soni, Indian actor (Parichay - Nayee Zindagi Kay Sapno Ka)
About September 1968
How Old? 55 years old
Generation: Generation X
Leap Year: Yes
Year of the Rabbit
Year of the Dragon
Year of the Snake
Year of the Horse
Year of the Goat/Sheep
Year of the Monkey