Mongolia public holidays in September 2026

September 2026 in Mongolia runs 30 calendar days, Northern-hemisphere autumn and Southern-hemisphere spring. Mongolia does not observe any national public holidays in September 2026. Because all September 2026 holidays fall on the weekend (or there are none), every weekday remains a working day. That leaves 22 working days for Mongolia businesses, payroll cycles, and project schedules in September 2026. September brings Labor Day in the US and Canada (first Monday) and the start of the Jewish High Holy Days in many years. For broader context, see the full 2026 calendar for Mongolia or the global view of holidays observed in September 2026 across all 190 countries we cover.