September — Universal Calendar
| Date |
Celebration |
Rank |
| Date |
Celebration |
Rank |
| 3 |
St Gregory the Great, pope, doctor of the Church |
memorial |
| 8 |
The Birthday 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 Triumph 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 Taegon, priest, martyr, Paul Chong Hasang, catechist, martyr, and their Companions, martyrs |
memorial |
| 21 |
St Matthew, apostle, evangelist |
feast |
| 23 |
St Pius of Pietrelcina (Padre Pio) |
memorial |
| 26 |
Ss Cosmas and Damian, martyrs |
|
| 27 |
St Vincent de Paul, priest |
memorial |
| 28 |
St Wenceslaus, martyr; Ss Lawrence Ruiz, and his Companions, martyrs |
|
| 29 |
Ss Michael, Gabriel, and Raphael, archangels |
feast |
| 30 |
St Jerome, priest, doctor of the Church |
memorial |
