September weather forecastHihifo, Tonga
September
Weather in September
In September, Hihifo witnesses the least rainfall of the year with a scanty 41mm (1.61") over 15 days. Correspondingly, sunshine resurfaces, enlightening the city and segregating the clouds dominantly present in the sky. Even though the wind speed lessens from August, it maintains a constant rhythm. The ambiance remains tropical, and the mercury rarely dips, presenting an alluring combination of summer and spring. The occasional showers add a refreshing touch to Hihifo's already enchanting landscape.Temperature
September, marked by an average high-temperature of 26.6°C (79.9°F) and a low-temperature of 25.7°C (78.3°F), is the coldest month.Humidity
With an average relative humidity of 79%, September is the most humid month.Rainfall
September is the month with the least rainfall in Hihifo, Tonga. Rain falls for 15.2 days and accumulates 41mm (1.61") of precipitation.Daylight
In September, the average length of the day is 12h and 1min.On the first day of September in Hihifo, sunrise is at 06:40 and sunset at 18:29. On the last day of the month, sunrise is at 06:17 and sunset at 18:32 +13.
Sunshine
In Hihifo, the average sunshine in September is 6.9h.UV index
The months with the highest UV index in Hihifo, Tonga, are January through May, July through September, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 7 turns into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hihifo, Tonga
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is March (28.8°C).
The month with the lowest average high temperature is September (26.6°C).
- Average low temperature in September: 25.7°C
The months with the highest average low temperature are January and February (27.8°C).
The coldest month (with the lowest average low temperature) is August (25.3°C).
Average pressure in September
Hihifo, Tonga
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is September (1013.4mbar).
The month with the lowest atmospheric pressure is January (1007.5mbar).
Average wind speed in September
Hihifo, Tonga
- Average wind speed in September: 26.3km/h
The windiest month (with the highest average wind speed) is June (27.7km/h).
The calmest month (with the lowest average wind speed) is March (17.9km/h).
Average humidity in September
Hihifo, Tonga
- Average humidity in September: 79%
The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is March (76%).
Average rainfall in September
Hihifo, Tonga
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is January (290mm).
The driest month (with the least rainfall) is September (41mm).
Average rainfall days in September
Hihifo, Tonga
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is December (25.9 days).
The month with the least rainy days is September (15.2 days).
Average daylight in September /
Average sunshine in September
Hihifo, Tonga
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is November (Average sunshine: 8h and 48min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).
Average sunshine days in September
Hihifo, Tonga
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is September (11.5 days).
The month with the least sunshine days is February (1.8 days).
Average UV index in September
Hihifo, Tonga
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, November and December (UV index 7).
The months with the lowest UV index are June and October (UV index 6).
Average cloud cover in September
Hihifo, Tonga
- Average cloud cover in September: 51
The month with the most cloud cover is August (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 44).
Average visibility in September
Hihifo, Tonga
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
