September — Universal Calendar
| Date |
Celebration |
Rank |
| Date |
Celebration |
Rank |
| 3 |
St Gregory the Great, Pope, Doctor of the Church |
memorial |
| 8 |
The Nativity of the Blessed Virgin Mary |
feast |
| 9 |
St Peter Claver, Priest |
|
| 12 |
Most Holy Name of Mary |
|
| 13 |
St John Chrysostom, Bishop, Doctor of the Church |
memorial |
| 14 |
The Exaltation of the Holy Cross |
feast |
| 15 |
Our Lady of Sorrows |
memorial |
| 16 |
Ss Cornelius, Pope, and Cyprian, Bishop, Martyrs |
memorial |
| 17 |
St Robert Bellarmine, Bishop, Doctor of the Church |
|
| 19 |
St Januarius, Bishop, Martyr |
|
| 20 |
Ss Andrew Kim Tae-gon, Priest, Paul Chong Ha-sang, and Companions, Martyrs |
memorial |
| 21 |
St Matthew, Apostle, Evangelist |
feast |
| 23 |
St Pio of Pietrelcina |
memorial |
| 26 |
Ss Cosmas and Damian, Martyrs |
|
| 27 |
St Vincent de Paul, Priest |
memorial |
| 28 |
St Wenceslaus, Martyr; Ss Lawrence Ruiz and Companions, Martyrs |
|
| 29 |
Ss Michael, Gabriel, and Raphael, Archangels |
feast |
| 30 |
St Jerome, Priest, Doctor of the Church |
memorial |
