Monthly register
Tonga public holidays in September 2027
Tonga has 1 public holiday in September 2027.
September 2027 in Tonga runs 30 calendar days, Northern-hemisphere autumn and Southern-hemisphere spring. Tonga observes one public holiday in September 2027: Birthday of Crown Prince Tupouto'a-'Ulukalala. One of those — Birthday of Crown Prince Tupouto'a-'Ulukalala — falls on a weekday and reduces the working-day count by one. That leaves 21 working days for Tonga businesses, payroll cycles, and project schedules in September 2027. 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 2027 calendar for Tonga or the global view of holidays observed in September 2027 across all 190 countries we cover.
21
Working days
8
Weekend days
1
Public holidays
30
Days in September
- Sep17
Birthday of Crown Prince Tupouto'a-'Ulukalala
Friday, September 17, 2027
Coming up in Tonga
- Nov 4Constitution Day
- Nov 8Day off for Constitution Day
- Dec 4Anniversary of the Coronation of King Tupou I
Long weekend in September
Tonga has a long weekend in September 2027
Birthday of Crown Prince Tupouto'a-'Ulukalala · 4d
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