September 23 Zodiac Sign: Libra or Virgo? Love Matches

September 23 is Libra on the dates most calendars use, but it is a boundary day: from 1950 to 2029, about 85 percent of September 23 birth hours in US Eastern time fell in Libra and about 15 percent in Virgo.

Check a September 23 Libra against any sign

You were born on a boundary day. The exact changeover shifts by up to a day depending on the year and the time of birth, so both signs are shown.

Share of September 23 birth hours, 1950 to 2029, US Eastern time
Sign	Share	The Sun's degrees
Libra	85 percent	0.0 to 1.6 degrees of Libra
Virgo	15 percent	29.3 to 30.0 degrees of Virgo

The Sun's move into Libra landed between September 22 and September 23 (US Eastern time) in those years; the tropical year is about 365.24 days, so the moment shifts by hours from year to year and moves back after each leap day.

Check a September 23 birth by year and time

September 23 zodiac compatibility

If you are a Libra

By this site's zodiac points method, a September 23 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.

Pair	Verdict	Points	Aspect
Gemini and Libra	strong match	8 of 8	trine
Libra and Aquarius	strong match	8 of 8	trine
Leo and Libra	good match	5 of 8	sextile
Libra and Sagittarius	good match	5 of 8	sextile

who a September 23 Libra is compatible with

Today's Libra love horoscope

If you are a Virgo

By this site's zodiac points method, a September 23 Virgo scores highest with Taurus and Capricorn, a strong match at 8 of 8 points, then Cancer and Scorpio, a good match at 5 of 8.

Pair	Verdict	Points	Aspect
Taurus and Virgo	strong match	8 of 8	trine
Virgo and Capricorn	strong match	8 of 8	trine
Cancer and Virgo	good match	5 of 8	sextile
Virgo and Scorpio	good match	5 of 8	sextile

who a September 23 Virgo is compatible with

Today's Virgo love horoscope

Have your partner's birthday? Compare September 23 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 23 birthday

If you are a Libra

Element: air
Modality: cardinal
Ruler: Venus
Position: day 1 of 30 of Libra
Next sign: Scorpio, from October 23

If you are a Virgo

Element: earth
Modality: mutable
Ruler: Mercury
Position: the day after Virgo's last day on most calendars (September 22)
Next sign: Libra, from September 23

September 23 decan (Tradition)

In the triplicity system of decans, a tradition, September 23 falls at the end of the third decan of Virgo (20 to 30 degrees), ruled by Venus, or the start of the first decan of Libra (0 to 10 degrees), ruled by Venus, depending on the year and hour.

The older Chaldean system of decans assigns different rulers.

Famous people born on September 23

Bruce Springsteen, singer, born 1949
Ray Charles, singer, born 1930
Jaroslav Seifert, writer, born 1901
Julio Iglesias, singer, born 1943
Michel Temer, politician, born 1940

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

A note on September 23 birthdays

Libra opens its own run on September 23, one day after Virgo's last conventional day, moving from 29.3 to 30.0 degrees of Virgo into 0.0 to 1.6 degrees of Libra. By this site's points method, Gemini and Aquarius each reach 8 of 8 with this Libra through a trine, and Leo and Sagittarius each reach 5 through a sextile. Venus, Libra's own ruling planet, carries a reading in this tradition of affection and fairness, fitting for a fresh start.

Questions people ask

Is September 23 a Libra or a Virgo?

Either, depending on the birth. On the dates most calendars use, September 23 is Libra. From 1950 to 2029, about 85 percent of September 23 birth hours in US Eastern time fell in Libra and about 15 percent in Virgo; the year, the hour and the time zone decide.

Is September 23 on the Libra and Virgo cusp?

The Sun changes sign on or around September 23, so the day can belong to Libra or Virgo. A cusp is not a thirteenth sign in Western astrology or in this site's scoring: a September 23 birth is one sign or the other.

Who is a September 23 Libra or Virgo most compatible with?

By this site's zodiac points method, a Libra scores highest with Gemini and Aquarius (a strong match, 8 of 8 points), then Leo and Sagittarius (a good match, 5 of 8); a Virgo with Taurus and Capricorn (a strong match, 8 of 8 points), then Cancer and Scorpio (a good match, 5 of 8).

Does the birth year change the zodiac sign for September 23?

Yes. The Sun's move into Libra landed between September 22 and September 23 (US Eastern time) from 1950 to 2029, so the year, the hour and the time zone decide a September 23 sign. The calculator on the zodiac sign dates page checks one birth.

Birthdays around September 23

Sources

astronomy-engine 2.1.19: the Sun's position; the methodology page records its check against NASA JPL Horizons, and the build checks it against published equinox and solstice times
This site's zodiac points method: formula 1.1
Wikidata (CC0): birth dates, fetched 2026-09-26