President Trump’s September 2026 schedule centers on a confirmed September 12–13 trip to Ireland for a bilateral meeting with Taoiseach Micheál Martin at Farmleigh House, alongside a sod-turning ceremony for the new U.S. Embassy in Dublin, events with business leaders and embassy staff, and attendance at the Irish Open at his Doonbeg golf resort. Additional fixed events include the Republican National Convention in Dallas on September 9–10 and a Pentagon ceremony marking the 25th anniversary of the September 11 attacks. The late-month United Nations General Assembly in New York offers further scope for bilateral encounters during high-level diplomacy on trade, security, and other issues. Trader assessments reflect these announced commitments and the typical pattern of multilateral gatherings driving in-person meetings, while noting that unannounced bilateral or domestic sessions remain possible within the resolution window.