September weather forecast
Lavengatonga, Tonga

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Weather in September

September advances with significant leaps, detach the weather conditions from the previous cool months. Although the change may not be striking at first, by the end of September, it becomes quite evident. The end of September sees a steady rise in temperatures, the heat varying between 21.7°C (71.1°F) and 22.9°C (73.2°F), outlining the arrival of the hot months. Activities continue to flourish and the landscape begins to change color. Moving towards October, a warm, tropical environment complements the city.

Temperature

Lavengatonga witnesses the coldest weather in September, with temperatures averaging a high of 22.9°C (73.2°F) and a low of 21.7°C (71.1°F).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, in Lavengatonga, the rain falls for 14 days. Throughout September, 64mm (2.52") of precipitation is accumulated. In Lavengatonga, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation.

Daylight

In Lavengatonga, the average length of the day in September is 11h and 59min.
On the first day of the month, sunrise is at 06:48 and sunset at 18:31. On the last day of September, in Lavengatonga, Tonga, sunrise is at 06:21 and sunset at 18:38 +13.

Sunshine

In September, the average sunshine in Lavengatonga is 7h.

UV index

April through December, with an average maximum UV index of 6, are months with the lowest UV index in Lavengatonga, Tonga. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Resources | Updated: Feb 5, 2024 | Published by: Weather Atlas

Frequently asked questions

What is the coldest time of year in Lavengatonga?

September brings the lowest temperatures in Lavengatonga, with an average high of 22.9°C (73.2°F) and an average low of 21.7°C (71.1°F).

What are the temperatures in Lavengatonga in September?

In Lavengatonga, 22.9°C (73.2°F) is the average high-temperature and 21.7°C (71.1°F) is the average low-temperature during September. In March, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 30°C (86°F).

What is the average humidity in September in Lavengatonga?

The average relative humidity in September in Lavengatonga is 77%.

How much does it rain in Lavengatonga in September?

In Lavengatonga, Tonga, in September, during 14 rainfall days, 64mm (2.52") of precipitation is typically accumulated.

How many hours of daylight does Lavengatonga have in September?

The average day length in September in Lavengatonga, Tonga, is 11h and 59min.

When are sunrise and sunset in September in Lavengatonga?

On the first day of September in Lavengatonga, sunrise is at 06:48 and sunset at 18:31. On the last day of the month, sunrise is at 06:21 and sunset at 18:38 +13.

How many hours of sunshine does Lavengatonga have in September?

In Lavengatonga, the average sunshine duration in September is 7h.

What are the months with the lowest UV index in Lavengatonga?

The months with the lowest UV index in Lavengatonga are April through December, with an average maximum UV index of 6.

What is the UV index intensity in September in Lavengatonga?

In September, the average daily maximum UV index in Lavengatonga, Tonga, is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.

Average temperature in September
Lavengatonga, Tonga

Average temperature in September - Lavengatonga, Tonga
  • Average high temperature in September: 22.9°C

The warmest month (with the highest average high temperature) is February (27.5°C).
The month with the lowest average high temperature is September (22.9°C).

  • Average low temperature in September: 21.7°C

The month with the highest average low temperature is February (26.7°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).

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Average pressure in September
Lavengatonga, Tonga

Average pressure in September - Lavengatonga, Tonga
  • Average pressure in September: 1016.2mbar

The months with the highest atmospheric pressure are August and September (1016.2mbar).
The months with the lowest atmospheric pressure are January and February (1008.6mbar).

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Average wind speed in September
Lavengatonga, Tonga

Average wind speed in September - Lavengatonga, Tonga
  • Average wind speed in September: 23.7km/h

The windiest month (with the highest average wind speed) is July (25.6km/h).
The calmest month (with the lowest average wind speed) is January (23.3km/h).

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Average humidity in September
Lavengatonga, Tonga

Average humidity in September - Lavengatonga, Tonga
  • Average humidity in September: 77%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (75%).

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Average rainfall in September
Lavengatonga, Tonga

Average rainfall in September - Lavengatonga, Tonga
  • Average rainfall in September: 64mm

The wettest month (with the highest rainfall) is February (163mm).
The driest month (with the least rainfall) is October (36mm).

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Average rainfall days in September
Lavengatonga, Tonga

Average rainfall days in September - Lavengatonga, Tonga
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is February (22.7 days).
The month with the least rainy days is October (12.9 days).

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Average daylight in September /
Average sunshine in September
Lavengatonga, Tonga

Average daylight in September / Average sunshine in September - Lavengatonga, 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).

  • Average sunshine in September: 7h and 0min

The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 48min).

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Average sunshine days in September
Lavengatonga, Tonga

Average sunshine days in September - Lavengatonga, Tonga
  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is February (3.8 days).

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Average UV index in September
Lavengatonga, Tonga

Average UV index in September - Lavengatonga, Tonga
  • Average UV index in September: 6

The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October, November and December (UV index 6).

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Average cloud cover in September
Lavengatonga, Tonga

Average cloud cover in September - Lavengatonga, Tonga
  • Average cloud cover in September: 50

The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 46).

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Average visibility in September
Lavengatonga, Tonga

Average visibility in September - Lavengatonga, Tonga
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Lavengatonga, Tonga

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