Tradition

September 27 Zodiac Sign

Tradition: Western astrology. A tradition, not a forecast. Astrologers read it this way; the evidence does not.

By Suraj Giri

September 27 is Libra on the dates most calendars use (September 23 to October 22). From 1950 to 2029, every birth hour on September 27 in US Eastern time fell in Libra.

Check a September 27 Libra against any sign

September 27 zodiac compatibility

By this site's zodiac points method, a September 27 Libra scores highest with Gemini and Aquarius, a strong match at 8 of 8 points, then Leo and Sagittarius, a good match at 5 of 8.

PairVerdictPointsAspect
Gemini and Librastrong match8 of 8trine
Libra and Aquariusstrong match8 of 8trine
Leo and Libragood match5 of 8sextile
Libra and Sagittariusgood match5 of 8sextile

who a September 27 Libra is compatible with

Today's Libra love horoscope

Have your partner's birthday? Compare September 27 with your partner's birthday.

Scores come from this site's zodiac points method (formula 1.1), reviewed by Jahben R., astrologer, on 2026-09-23. How it works is on the methodology page.

Libra at a glance for a September 27 birthday

  • Element: air
  • Modality: cardinal
  • Ruler: Venus
  • Position: day 5 of 30 of Libra
  • Next sign: Scorpio, from October 23
  • The Sun, 1950 to 2029 (US Eastern time): 3.2 to 5.6 degrees of Libra

September 27 decan (Tradition)

In the triplicity system of decans, a tradition, September 27 falls in the first decan of Libra (0 to 10 degrees), ruled by Venus.

The older Chaldean system of decans assigns different rulers.

Famous people born on September 27

  • Avril Lavigne, singer, born 1984
  • Gwyneth Paltrow, actor, born 1972
  • Jenna Ortega, actor, born 2002
  • Martin Ryle, astronomer, born 1918
  • Wilford Brimley, actor, born 1934

Birth dates from Wikidata (CC0), fetched 2026-09-26.

A note on September 27 birthdays

September 27 reaches 3.2 to 5.6 degrees, day 5 of the 30 Libra spans between September 23 and October 22. The triplicity system assigns this early stretch of Libra its own first decan, still under Venus just like the sign at large, a rulership read here as affection and attraction shown openly. This site's points method puts Aquarius and Gemini at 8 with this Libra, a trine both times, and puts Sagittarius and Leo at 5, a sextile both times.

Questions people ask

What zodiac sign is September 27?
Libra. September 27 falls in Libra's dates on most calendars, September 23 to October 22, as day 5 of 30 of Libra.
Who is a September 27 Libra most compatible with?
By this site's zodiac points method, a September 27 Libra scores highest with Gemini and Aquarius (a strong match, 8 of 8 points), then Leo and Sagittarius (a good match, 5 of 8).
Does the birth year change the zodiac sign for September 27?
Not from 1950 to 2029 in US Eastern time: September 27 was Libra for every birth hour in all 80 years. For other years or time zones, use the calculator on the zodiac sign dates page.

Birthdays around September 27

Sources