September weather forecastHakupu, Niue
September
Weather in September
Just as winter peaks, Hakupu, Niue experiences a slight rise in temperature with highs reaching 24.7°C (76.5°F) and lows at 23.9°C (75°F). Wind speed decreases, producing a tranquil calmness. September arrives with a delightful blend of increased sunshine hours signaling the imminent transition to warmer temperatures. Even as rain-filled days increase in number, the city enjoys a balance of weather elements. Cloud coverage stays within the median range, maintaining a pleasantly overcast weather scenario.Temperature
The introduction of September sees an average high-temperature of a still warm 24.7°C (76.5°F), hardly deviating from August. Throughout September, Hakupu records a steady low-temperature average of 23.9°C (75°F), a minor decrease from its daytime counterpart.Humidity
January, September and November, with an average relative humidity of 79%, are the most humid months.Rainfall
In Hakupu, in September, during 17.9 rainfall days, 52mm (2.05") of precipitation is typically accumulated. In Hakupu, during the entire year, the rain falls for 229.1 days and collects up to 1209mm (47.6") of precipitation.Daylight
In September, the average length of the day is 12h and 0min.On the first day of the month, sunrise is at 06:26 and sunset at 18:11. On the last day of September, sunrise is at 06:00 and sunset at 18:17 -11.
Sunshine
In September, the average sunshine in Hakupu is 6.7h.UV index
The months with the lowest UV index in Hakupu are June through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 6 in September translates into these instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hakupu, Niue
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is March (28°C).
The month with the lowest average high temperature is August (24.6°C).
- Average low temperature in September: 23.9°C
The month with the highest average low temperature is March (27.2°C).
The coldest month (with the lowest average low temperature) is August (23.4°C).
Average pressure in September
Hakupu, Niue
- Average pressure in September: 1015.2mbar
The months with the highest atmospheric pressure are August and September (1015.2mbar).
The month with the lowest atmospheric pressure is January (1008.4mbar).
Average wind speed in September
Hakupu, Niue
- Average wind speed in September: 25.4km/h
The windiest month (with the highest average wind speed) is June (27.2km/h).
The calmest month (with the lowest average wind speed) is March (19.8km/h).
Average humidity in September
Hakupu, Niue
- Average humidity in September: 79%
The months with the highest relative humidity are January, September and November (79%).
The months with the lowest relative humidity are March, April, June, July and August (77%).
Average rainfall in September
Hakupu, Niue
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is January (202mm).
The driest month (with the least rainfall) is June (50mm).
Average rainfall days in September
Hakupu, Niue
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is January (24.4 days).
The month with the least rainy days is November (14.8 days).
Average daylight in September /
Average sunshine in September
Hakupu, Niue
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 12min).
Average sunshine days in September
Hakupu, Niue
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is November (13 days).
The month with the least sunshine days is February (2.9 days).
Average UV index in September
Hakupu, Niue
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, November and December (UV index 7).
The months with the lowest UV index are June, July, August, September and October (UV index 6).
Average cloud cover in September
Hakupu, Niue
- Average cloud cover in September: 52
The months with the most cloud cover are August and November (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 47).
Average visibility in September
Hakupu, Niue
- 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).





