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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Nuku'alofa

Nuku'alofa in September

Great month. Dry and mild.

Key facts

Verdict
Great
Temperature
26°C / 19°C
average high / low
Rain days
10
Crowds
High
Tonga overall
Prices
High
Tonga overall

Verdict

GreatVoykit month rating for Nuku'alofa

Dry and mild.

Weather in September

Long-term averages
  • Nuku'alofaHighs around 26 °C, lows around 19 °C, rain on about 10 days
  • Tongatapu and 'Eua, Tonga · Nuku'alofa, the south coast, 'Euabest weather

    Southernmost group: Jun–Aug nights can drop to about 16 °C, and the trade winds make it pleasant. Dec–Mar is humid with heavy showers and cyclone risk.

Dry season

Mild days, fewer showers, whale season and Heilala.

Watch: Hotels and boats book out in July–September.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Humpback whale season

    Roughly July to October · Tongan waters; Vava'u is the main base

    Whale swimming operators book out; a half-day trip is possible from Tongatapu (check).

Crowds and prices

Crowds · Tonga overall
High
Prices · Tonga overall
High

Tonga overall: Mothers and calves in the bays; still dry and busy.

High-price month: see what to book ahead.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Tonga in September →