Is September 13 a rare birthday? Popular
More common than 95% of all 366 dates.

September 13 in numbers
The odds, the star sign and the other dates that come with it.
Where September 13 ranks
From most common birthday to rarest, September 13 ranks in position #20, with 11,562 births a year. 346 other dates are rarer. 27 dates are within 1% of its count, anywhere from #13 to #40, so the exact position is a close thing.
September 13 through the years
Where it ranked in the United States, year by year.
common
September 13 in other countries
September 13 is the 20th most common birthday in the United States. It is among the 50 most common in 10 of the 26 other countries, and ranges from #8 in Mexico to #246 in Latvia.
Mexico
#8 of 366
5,947 births on an average September 13
INEGI, 2017–2023Chile
#9 of 366
779 births on an average September 13
DEIS, 1990–2017Guatemala
#10 of 366
1,070 births on an average September 13
INE Guatemala, 2018–2024Malaysia
#21 of 366
1,493 births on an average September 13
DOSM, 2000–2022Philippines
#26 of 366
5,137 births on an average September 13
PSA, 2006–2024Portugal
#37 of 366
310 births on an average September 13
INE Portugal, 1980–2025Japan
#38 of 366
2,937 births on an average September 13
e-Stat, 1996–2025Hungary
#43 of 366
345 births on an average September 13
KSH, 1970–2020England & Wales
#45 of 366
1,839 births on an average September 13
ONS, 1995–2025Costa Rica
#47 of 366
178 births on an average September 13
INEC Costa Rica, 2014–2024Netherlands
#52 of 366
524 births on an average September 13
CBS, 1995–2025Finland
#58 of 366
148 births on an average September 13
Statistics Finland, 2010–2025New Zealand
#58 of 366
162 births on an average September 13
Stats NZ, 1980–2023Germany
#76 of 366
2,170 births on an average September 13
Destatis, 2014–2025Ecuador
#81 of 366
789 births on an average September 13
INEC, 2013–2023Slovenia
#83 of 366
56 births on an average September 13
SURS, 2000–2025France
#89 of 366
2,200 births on an average September 13
INSEE, 1998–2024Denmark
#113 of 366
170 births on an average September 13
Statistics Denmark, 2007–2025Belgium
#140 of 366
330 births on an average September 13
Statbel, 1992–2025Norway
#146 of 366
160 births on an average September 13
SSB, 2011–2025Ireland
#151 of 366
169 births on an average September 13
CSO, 1980–2023Switzerland
#192 of 366
223 births on an average September 13
FSO, 1969–2025Brazil
#197 of 366
7,939 births on an average September 13
DATASUS, 1997–2024Argentina
#213 of 366
1,483 births on an average September 13
DEIS, 2018–2023Peru
#215 of 366
1,188 births on an average September 13
INEI, 2019–2025Latvia
#246 of 366
52 births on an average September 13
CSB, 1996–2025
Famous people born on September 13
Ranked by how often people looked them up on Wikipedia last year.
Tyler PerryAmerican actor and filmmaker · born 1969
Roald DahlBritish writer and poet · born 1916
Jean SmartAmerican actress · born 1951
Thomas MüllerGerman footballer · born 1989
Bongbong MarcosPresident of the Philippines since 2022 · born 1957
Niall HoranIrish singer, songwriter and musician · born 1993
Fiona AppleAmerican musician · born 1977
Dave MustaineAmerican musician · born 1961September against the other eleven
September 13 is the 15th most common of the 30 days in September. All September birthdays.
September is the most common month of the year
An average September day sees 11,448 births in the United States. September is the busiest month, January the quietest.
Quick answers
How many babies are born on September 13?
About 11,562 a year in the United States. It was at its most common in 1983, when 11,216 babies were born and it ranked #9 of 365; at its rarest in 2015, with 7,900 births at #311.
Is September 13 a common birthday?
In the United States, September 13 is the 20th most common of 366 dates, with about 11,562 births a year. That puts it among the more common birthdays.
What is the rarest September birthday?
In the United States, September 2: the 118th rarest of all 366 dates, with about 10,653 births a year. The most common September birthday is September 9, the most common of the year.
How precise is the ranking?
In the middle of the calendar it is not exact. 27 other dates are within 1% of September 13's count, spread from #13 to #40, so the position inside that group would shift with a different set of years. That band is the accurate answer; the rank is the simple one. At the ends — Christmas Day, New Year's Day — nothing is close.
Is September 13 rarer in other countries?
In some. It is rarer in 23 of the 26 other countries we hold daily records for. It is at its rarest in Latvia, at #246 of 366, and at its most common in Mexico, at #8.
How this is counted
Every date is ranked by how many babies are born on it in the United States. Live births by day of birth from the CDC's National Center for Health Statistics, 1989–2024.
Updated October 2026