World Holiday Calendar for September 2015
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1 | 2 | 3 | 4 | 5 | ||
| 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 13 | 14 Rosh Hashanah | 15 Day 2 of Rosh Hashanah | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 Yom Kippur First Day of Fall | 24 | 25 | 26 Anant Chaturdashi |
| 27 | 28 Sukkot | 29 Day 2 of Sukkot | 30 Day 3 of Sukkot |