Sep 10
- All Day
- World Suicide Prevention Day
Sep 11
- All Day
- National Day of Service
Sep 14
- All Day
- The Feast of the Cross
Sep 15
- All Day
- International Day of Democracy
- Mawlid Al-Nabi
Sep 16
- All Day
- National Payroll Week
Sep 17
- All Day
- IT Professionals Day
- Mid-Autumn Festival
Sep 19
- All Day
- Powley Day
Sep 21
- All Day
- International Day of Peace
Sep 22
- All Day
- Fall Equinox/Mabon
Sep 23
- All Day
- Bi Visibility Day
- Truth and Reconciliation Week
Sep 25
- All Day
- Franco-Ontarian Day
- Rowan’s Law Day
Sep 30
- All Day
- National Day for Truth and Reconciliation
- Orange Shirt Day
Oct 1
- All Day
- Canadian Autism Awareness Month
- Cyber Awareness Month
- German Heritage Month
