Swimming in Nukuʻalofa in september 2025: Average sea temperature in september and tide times in september 2025

Average sea temperature in Nukuʻalofa in september 2025.

In september, according to seasonal norms, the sea temperature in Nukuʻalofa is:

Minimum: 73°F

Average: 76°F

Maximum: 78°F

Other useful seasonal weather averages in september:

  • Outside temperature: 72°F to 74°F
  • Most common weather: "Partly Cloudy"
  • The wind blows at 14.3mph
  • It rains a total of 5.7in, over 5 day(s).

Should we swim in Nukuʻalofa in september?

Yes! The water temperature in Nukuʻalofa in september is pleasant

Swimming in september is pleasant in Nukuʻalofa and the surrounding area. The sea temperature is 76°F on average (min/max: 73°F/78°F), allowing you to swim for a long time and enjoy water sports.

Note also that in september, the climate is good with an average outside temperature of 73°F, 5.7in of precipitation (over 5 days) and 78.53 % humidity.

Water and normal seasonal temperatures in Nukuʻalofa in september

September
Average sea temperature 76°F
Minimum sea temperature 73°F
Maximum sea temperature 78°F
Average outside temperature 74°F
Maximum outside temperature 76°F
Minimum outside temperature 74°F
Wind speed 16.8mph
Wind temperature 74°F
Precipitation 5.7in
Number of days of rain 5 jour(s)
(18%)
Humidity 79%
Visibility in kilometers 9.59km
Cloud cover 50%
Our opinion pleasant swimming

Chart of the tides in september 2025

Tide times in september 2025 in Nukuʻalofa

Swim elsewhere in Tonga in september

City Average T° Max. T° Our opinion
Haʻapai islands (Lifuka and Foa) in september77°F80°Fpleasant swimming
Tongatapu Island in september75°F78°Fpleasant swimming
Vavaʻu island in september79°F81°Fpleasant swimming

Swim in Tonga in september: sea temperature by city

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