Nuku‘alofa climate

Nuku‘alofa Weather in September

NASA POWER reanalysis for the half-degree grid cell around Nuku‘alofa, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 23°C on September 1 to 23°C on September 30, and lows from 22°C to 22°C. Normal precipitation for the month is 77 mm over about 12 wet days.

September day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Nuku‘alofa, in °C, with the record for each date.1820222426151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
23°C
Average low
22°C
Precipitation
77 mm
Reanalysis high
26°CSep 24, 2010
Reanalysis low
19°CSep 11, 1997
Daylight
11 h 42 min to 12 h 16 min
Cloud cover
69%
Humidity
79%
Dew point
19°C
Wind
23.4 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Sep 123°C22°C25°C 202020°C 199742%
Sep 223°C22°C25°C 201819°C 199442%
Sep 323°C22°C25°C 201819°C 199441%
Sep 423°C22°C25°C 201820°C 199340%
Sep 523°C22°C25°C 201820°C 199439%
Sep 623°C22°C25°C 201819°C 200940%
Sep 723°C22°C24°C 200819°C 200341%
Sep 823°C22°C25°C 200720°C 199141%
Sep 923°C22°C25°C 199220°C 199340%
Sep 1023°C22°C25°C 200719°C 199740%
Sep 1123°C22°C25°C 200619°C 199739%
Sep 1223°C22°C25°C 201020°C 199439%
Sep 1323°C22°C25°C 201020°C 199439%
Sep 1423°C22°C25°C 201020°C 199739%
Sep 1523°C22°C25°C 201020°C 199339%
Sep 1623°C22°C25°C 200720°C 199338%
Sep 1723°C22°C25°C 200720°C 200238%
Sep 1823°C22°C25°C 199220°C 199139%
Sep 1923°C22°C25°C 200720°C 199440%
Sep 2023°C22°C25°C 201320°C 199440%
Sep 2123°C22°C25°C 201320°C 199741%
Sep 2223°C22°C25°C 201820°C 199741%
Sep 2323°C22°C25°C 201020°C 199441%
Sep 2423°C22°C26°C 201020°C 199442%
Sep 2523°C22°C25°C 201021°C 199742%
Sep 2623°C22°C25°C 201020°C 199342%
Sep 2723°C22°C25°C 201020°C 200943%
Sep 2823°C22°C25°C 201220°C 199343%
Sep 2923°C22°C25°C 201020°C 199343%
Sep 3023°C22°C25°C 202020°C 199343%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Nuku‘alofa, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+13).

September 1
sunrise 6:50 AM, sunset 6:32 PM
September 30
sunrise 6:23 AM, sunset 6:39 PM

Every day of September: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.