September weather forecastOhonua, Tonga
September
Weather in September
Sea temperatures in Ohonua, Tonga begin to rise slowly, reaching an average of 24°C (75.2°F) during September. This is the month that marks the transition from cooler to warmer temperatures. The daylight hours extend further, shedding more light on the tropical life. Compared to August, September is warmer and sunnier, starting off the climb back to typical tropical weather. Transitioning into October, both temperatures and daylight hours continue on a rising trajectory.Sea temperature
In Ohonua, in September, the average water temperature is 24°C (75.2°F).Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24°C (75.2°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In September, the average length of the day is 11h and 59min.On the first day of September, sunrise is at 06:48 and sunset at 18:30. On the last day of the month, sunrise is at 06:20 and sunset at 18:38 +13.
Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Ohonua, the average seawater temperature in September is 24°C (75.2°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24°C (75.2°F) water.
The average day length in September in Ohonua, Tonga, is 11h and 59min.
In September, on the first day of the month, sunrise is at 06:48 and sunset at 18:30. On the last day of the month, sunrise is at 06:20 and sunset at 18:38 +13.
Average sea temperature in September
Ohonua, Tonga
- Average sea temperature in September: 24°C
The best months for swimming (with the highest average sea temperature) are February and March (28°C).
The coldest month (with the lowest average sea temperature) is August (23.8°C).
Average daylight in September
Ohonua, Tonga
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).





