Born on September 21
September 21: Virgo Zodiac & Famous People
The zodiac sign for September 21 is Virgo. Famous people born on September 21 include Stephen King, Kenji Miyazawa — 2 notable figures in all, plus this day’s birthstone, birth flower and birthday rarity.
Writer · b. 1947
Writer · 1896–1933
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How many people share the September 21 birthday?
~930 thousand in the U.S., ~22 million worldwide
※ Rough estimate assuming birthdays are evenly distributed (published population figures).
The September 21 birthday profile
Zodiac
Virgo
Birthstone
Sapphire
Birth flower
Aster
Birth color
Grape
Rarity
#35/366
Weekday
Which day?
💎 Sapphire (Wisdom, Loyalty & Nobility) · 🌸 Aster (Trust, Remembrance & Change)
Virgo traits
General traits of the sign September 21 falls under (8/23–9/22) — not a per-day personality or fortune.
Element
Earth
Modality
Mutable
Ruling planet
Mercury
Precise and analytical, devotedly putting things in order.
Associated strengths: Hardworking, Analytical, Meticulous, Devoted
September 21's decan: 3rd decan (20°–30°, ~September 13–September 22) — sub-ruler Venus (Taurus)
Each sign splits into three 10° decans; the 1st is the sign itself, the 2nd and 3rd are sub-ruled by the same-element signs (a traditional rule; the boundary shifts ±1 day by year).
※ Traditional Western astrology attributes — for cultural interest, not a scientific claim.
What happened on September 21
- International Day of Peace — A UN day calling for peace worldwide.
🎂 Born on September 21?
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