Nuku'alofa weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Nuku'alofa in September. Check more long-term weather averages for Nuku'alofa in September before you book your next holiday to Tonga in 2025/2026.

  • 25°C maximum daytime temperature in September in Nuku'alofa25
    25°C max day temperature
  • 4 days with some rainfall in September in Nuku'alofa4
    4 days with some rainfall
  • 20°C minimum night-time temperature in September in Nuku'alofa20
    20°C min night temperature
  • 12 hours of daylight per day in September in Nuku'alofa12
    12 hours of daylight per day
  • Low heat & humidity in September in Nuku'alofaL
    Low heat & humidity
  • 114 mm monthly rainfall in September in Nuku'alofa114
    114 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Nuku'alofa10
    10 (Very High) UV index
  • 23°C sea temperature in September in Nuku'alofa23
    23°C sea temperature

More about Nuku'alofa

Nuku'alofa by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Tonga

  • Save up to 10% on cheap car hire worldwide
  • Exclusive Holiday Autos discount code automatically applied
  • Travel before 31st December 2024 (inclusive)
Show discount codeShow discount code ******vel

Expires at 23:59 on Tuesday 31st Dec 2024 · View all Holiday Autos offers

Holiday AutosCar hire finder

The September weather guide for Tonga (Nuku'alofa) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

How hot is it in Nuku'alofa in September?

Daytime temperatures usually reach 25°C in Nuku'alofa in September with low heat and humidity, falling to 20°C at night.

How warm is the sea around Nuku'alofa in September?

The average sea temperature around Nuku'alofa in September is 23°C.

Does it rain in Nuku'alofa in September?

There are usually 4 days with some rain in Nuku'alofa in September and the average monthly rainfall is 114mm.

Nuku'alofa September sunrise & sunset times

Browse the sunrise and sunset times for Nuku'alofa in September 2025. Select a month to view Nuku'alofa sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:50 18:32
Monday, 15th September 2025 06:38 18:35
Tuesday, 30th September 2025 06:23 18:39

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^