29 September may be observed as the Festival of Michael and All Angels, or as Trinity 15.
If 29 September is observed as Trinity 15:
The Fifteenth Sunday after Trinity
http://almanac.oremus.org/2019-09-29
Proper 21
Sunday between 25 September and 1 October inclusive
Principal Service
Continuous
Jeremiah 32.1-3a,6-15
Psalm 91.1-6,14-16*
1 Timothy 6.6-19
Luke 16.19-31
(or)
Related
Amos 6.1a,4-7
Psalm 146
1 Timothy 6.6-19
Luke 16.19-31
Third Service
Psalm 132
Isaiah 48.12-22
Luke 11.37-54
Second Service
Psalms 134, 135*
Nehemiah 2
John 8.31-38,48-59
(or) Evening Prayer on the Eve of Michael and All Angels
Psalm 91
2 Kings 6.8-17
Matthew 18.1-6,10
BCP Collect
Keep, we beseech thee, O Lord, thy Church with thy perpetual mercy; and, because the frailty of man without thee cannot but fall, keep us ever by thy help from all things hurtful, and lead us to all things profitable to our salvation; through Jesus Christ our Lord.