Sep 29 Juan Valentín Urdangarín y de Borbón, Spanish royal About September 1999 How Old? 20 years old Generation: Generation Z Leap Year: No Chinese Zodiac: Rabbit Star Signs: Virgo (Aug 23 - Sep 22), Libra (Sep 23 - Oct 22) Share On Facebook Share On Twitter 1998 Famous Birthdays by Year 2000