A.D. 2025 September

Monday, September 1

• The Monday in the Twelfth Week After Trinity
• Giles, Abbot and Confessor

Tuesday, September 2

• The Tuesday in the Twelfth Week After Trinity

Wednesday, September 3

• The Wednesday in the Twelfth Week After Trinity

Thursday, September 4

• The Thursday in the Twelfth Week After Trinity

Friday, September 5

• The Friday in the Twelfth Week After Trinity

Saturday, September 6

• The Saturday in the Twelfth Week After Trinity

Sunday, September 7

• The Twelfth Sunday after Trinity
• Evurtius, Bishop of Orleans

Monday, September 8

• The Monday in the Thirteenth Week After Trinity
• Nativity of the Blessed Virgin Mary

Tuesday, September 9

• The Tuesday in the Thirteenth Week After Trinity

Wednesday, September 10

• The Wednesday in the Thirteenth Week After Trinity

Thursday, September 11

• The Thursday in the Thirteenth Week After Trinity

Friday, September 12

• The Friday in the Thirteenth Week After Trinity

Saturday, September 13

• The Saturday in the Thirteenth Week After Trinity

Sunday, September 14

• The Thirteenth Sunday after Trinity
• Holy Cross Day

Monday, September 15

• The Monday in the Fourteenth Week After Trinity

Tuesday, September 16

• The Tuesday in the Fourteenth Week After Trinity

Wednesday, September 17

• The Wednesday in the Fourteenth Week After Trinity
• Lambert, Bishop and Martyr
• Ember Day

Thursday, September 18

• The Thursday in the Fourteenth Week After Trinity

Friday, September 19

• The Friday in the Fourteenth Week After Trinity
• Ember Day

Saturday, September 20

• The Saturday in the Fourteenth Week After Trinity
• Eve of Saint Matthew
• Ember Day

Monday, September 22

• The Monday in the Fifteenth Week After Trinity

Tuesday, September 23

• The Tuesday in the Fifteenth Week After Trinity

Wednesday, September 24

• The Wednesday in the Fifteenth Week After Trinity

Thursday, September 25

• The Thursday in the Fifteenth Week After Trinity

Friday, September 26

• The Friday in the Fifteenth Week After Trinity
• Saint Cyprian, Archbishop of Carthage and Martyr

Saturday, September 27

• The Saturday in the Fifteenth Week After Trinity
• Eve of Saint Michael

Sunday, September 28

• The Fifteenth Sunday after Trinity

Tuesday, September 30

• The Tuesday in the Sixteenth Week After Trinity
• Hierome, Priest, Confessor and Doctor