September weather forecastFahefa, Tonga
September
Weather in September
As September commences, Fahefa, Tonga welcomes a rise in temperature, ranging from 22.9°C (73.2°F) to 23.7°C (74.7°F). With a slight increase in rainfall and continued breezy conditions, the city retains its tropical aura. This period in Fahefa, Tonga features regular, yet non-disruptive cloud cover. Despite the restricted sunlight, people can still revel in the mildly warm weather.Temperature
Fahefa's September weather, with an average high temperature of 22.9°C (73.2°F) and an average low temperature of 21.7°C (71.1°F), tends to be the coldest of the year.Humidity
The average relative humidity in September is 77%.Rainfall
In Fahefa, Tonga, in September, it is raining for 14 days, with typically 64mm (2.52") of accumulated precipitation. Throughout the year, there are 193.9 rainfall days, and 991mm (39.02") of precipitation is accumulated.Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 06:49 and sunset at 18:32. On the last day of September, in Fahefa, Tonga, sunrise is at 06:22 and sunset at 18:39 +13.
Sunshine
In September, the average sunshine in Fahefa is 7h.UV index
The months with the lowest UV index in Fahefa are April through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fahefa, 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).
Average pressure in September
Fahefa, 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).
Average wind speed in September
Fahefa, 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).
Average humidity in September
Fahefa, 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%).
Average rainfall in September
Fahefa, 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).
Average rainfall days in September
Fahefa, 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).
Average daylight in September /
Average sunshine in September
Fahefa, 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).
Average sunshine days in September
Fahefa, 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).
Average UV index in September
Fahefa, 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).
Average cloud cover in September
Fahefa, 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).
Average visibility in September
Fahefa, 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).





