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Tongatapu Island weather in September

Planning a journey to Tongatapu Island this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Tongatapu Island in September?

Tongatapu Island is a region in Tonga. September in Tongatapu Island generally has warm temperatures, with high precipitation.

You can expect warm maximum daytime temperatures of around 24°C and nighttime temperatures around 22°C in Nuku‘alofa.

September is a rainy month with an average rainfall of around 115 mm in Nuku‘alofa.

For a closer look at September's conditions in Tongatapu Island, see the map below. For a more detailed look at Tongatapu Island's yearly weather, check out our Tongatapu Island climate page.

Where to go in Tongatapu Island in September

Find the average weather conditions in September for the most popular destinations in Tongatapu Island on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Tongatapu Island

What is the weather like in September for the 2 most popular destinations in Tongatapu Island?

Average weather in Nuku‘alofa

In September Nuku‘alofa generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 22°C and high monthly rainfall. So on average the conditions are pleasant that month.

Nuku‘alofa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
22°C 
118 mm 
18 days 
24°C 
22°C 
115 mm 
15 days 
October   >> October
>>  
25°C 
23°C 
103 mm 
14 days 
Climate in Nuku‘alofa

Average weather in Ha‘avakatolo

In September Ha‘avakatolo generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 22°C and high monthly rainfall. So on average the conditions are pleasant that month.

Ha‘avakatolo
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
24°C 
22°C 
119 mm 
18 days 
24°C 
22°C 
115 mm 
15 days 
October   >> October
>>  
25°C 
23°C 
101 mm 
14 days 
Climate in Ha‘avakatolo

Is your destination not in the list? Have a look at other destinations in Tongatapu Island, in Tonga.

Is September the best time to visit Tongatapu Island?

We believe that September is one of the best times to visit Tongatapu Island with overall pleasant weather in Nuku‘alofa. However, the weather conditions may vary depending on your destination.

Generally speaking, the best visiting conditions can be found in April, May, June, July, August, September, October, November and December offering mostly pleasant weather in Nuku‘alofa. On the other hand, the weather in January, February and March tend to be unpleasant.

Interested in more climate information?

We have much more information about the climate in Tongatapu Island. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Tonga? Get detailed historical weather averages for many cities in Tonga.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.