Opening of the 81st session: 8 September 2026 | A/INF/81/1
Sustainable Development Goals (SDG) Moment: 18 September 2026 | A/RES/74/4
General debate: from 22 September to 26 September, and on 28 September 2026
High-level meeting to commemorate the fortieth anniversary of the Declaration on the Right to Development: 23 September 2026 | A/RES/80/207
High-level meeting on climate action and the just transition: 23 September 2026
High-level meeting to address the existential threats posed by sea level rise: 24 September 2026 | A/78/L.101
High-level meeting on pandemic prevention, preparedness and response: 25 September 2026 | A/RES/79/333
High-level meeting to commemorate the twenty-fifth anniversary of the adoption of the Durban Declaration and Programme of Action: 28 September 2026 | A/RES/80/193 and A/RES/80/299
High-level plenary meeting to commemorate and promote the International Day for the Total Elimination of Nuclear Weapons: 29 September 2026 | A/RES/80/49