Normal weather for Tonga in September
It's warm in September in Tonga with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 27°C. At night, you can expect temperatures between 19°C and 22°C.
In September, there is an average of 101 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Tonga in September |
New York | ||
|---|---|---|---|
 Average Temperature |
26°C | 27°C | |
 High Temp |
27°C | 31°C | |
| Low Temp |
25°C | 21°C | |
 Total Precipitation |
101 mm | 57 mm | |
| Rainy Days |
12 days | 9 days | |
Start of September
The month of September starts in Tonga with warm temps, averaging around 26°C during the day and nights around 20°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
Mid September
By mid-September, daytime temps stay steady at around 26°C, with nights around 21°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
End of September
By the end of September, the average daytime temperature in Tonga is around 27°C, while nighttime temps are about 21°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.
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Is September a good time to visit Tonga?
Looking for sun? September isn’t a good month to be in Tonga. The temperature is nice, but there’s too much chance of rain.
Temperature records for Tonga in September
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The climate in Tonga is based on weather data from Nuku‘alofa. Other spots might have different weather. You can check out all destinations in Tonga to get the full picture of the climate.
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Daily Temperature in September in Tonga
This chart shows the average daily high and low temperatures in September for Tonga, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Tonga
The chart below shows the average daily precipitation in September for Tonga, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 12 days of precipitation in Tonga.
Daily UV Index in September in Tonga
This chart shows the average daily UV index in September in Tonga, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Tonga Over the Years
This chart shows the average temperature in September in Tonga, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Tonga Over the Years
This chart shows the average precipitation in September in Tonga, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Tonga
Click on any day in September to get detailed info about the usual weather on that day in Tonga. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Tonga
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Average Weather in Tonga by Month
Click on a month below to see detailed weather info for Tonga. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
