| September | |
| Season of Creation | |
| 1 | World Emotional Trauma Awareness Day |
| 1 | Indigenous Literacy Day |
| 2 | 1991: Council for Aboriginal Reconciliation Act passed by Parliament |
| 6-8 | Rosh Hashanah (Jewish New Year) - Judaism |
| 7 | National Threatened Species Day - NSW / QLD / VIC / WA |
| 7-13 | National Child Protection Week |
| 8 | International Literacy Day |
| 9 | R U OK Day |
| 10 | World Suicide Prevention Day |
| 15 | International Day of Democracy |
| 15-16 | Yom Kippur - Judaism |
| 16 | International Day for the Preservations of the Ozone Layer |
| 21 | International Day of Peace |
| 26 | World Rivers Day |
| October | |
| Mental Health Month | |
| 1 | International Day of Older Persons |