Tonga Weather in September
What's the weather like in Tonga (West Region) in September 2024?
The climate in Tonga during September can be summarized as warm, humid and very wet.
September is in the fall / autumn in Tonga and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 26.7°C 80.1°F |
|---|---|
| Nightly temperature | 18.9°C 66°F |
| Average temperature | 22.8°C 73°F |
| Daily sunshine | 4 hrs |
| Avg rainfall | 361 mm 14.2 ins |
| Rainy days | 25 days |
| Sea temperature | 26.6°C 79.9°F |
| Humidity | 83% |
| Windspeed | 5kph 3 mph |
On average September is the wettest month of the year in Tonga with around 361mm 14.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 25 days, although this may vary considerably.
On the flip side this corresponds to an average of 4 hours of sunshine per day.
September temperatures in Tonga
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Tonga in September 2024.
Other monthly averages
Best places to visit in September
Tonga weather stats
| Hottest month: | February | 31°C 87.8°F |
|---|---|---|
| Driest month: | December | 8mm 0.3ins |
| Sunniest month: | January | 7.8hrs |
| Coldest month: | August | 25.6°C 78.1°F |
| Wettest month: | September | 361mm 14.2ins |
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