September weather forecastAvatele, Niue
September
Weather in September
The Avatele weather in September retains the climatic rhythm of August predominantly. Residual wind activity from the earlier part of the year peters out, setting a tranquil ambiance. The temperature range maintains its previous conservancy, with only slight augmentations. A comeback of rainfall marks its significance with 52mm (2.05"), after a disciple of somewhat dry months. Conducive weather conditions continue to reinforce September as a favorable season for exploring the island's offerings.Temperature
September's beginning signals an average high-temperature of a still moderately hot 24.7°C (76.5°F), barely different from August's 24.6°C (76.3°F). September nights register a minor temperature decline, steadying at a still warm 23.9°C (75°F).Humidity
The months with the highest humidity are January, September and November, with an average relative humidity of 79%.Rainfall
In September, in Avatele, the rain falls for 17.9 days. Throughout September, 52mm (2.05") of precipitation is accumulated. Throughout the year, in Avatele, there are 229.1 rainfall days, and 1209mm (47.6") of precipitation is accumulated.Daylight
The average length of the day in September in Avatele, Niue, is 12h and 0min.On the first day of the month, sunrise is at 06:26 and sunset at 18:12. On the last day of September, in Avatele, sunrise is at 06:01 and sunset at 18:17 -11.
Sunshine
The average sunshine in September is 6.7h.UV index
June through October, with an average maximum UV index of 6, are months with the lowest UV index in Avatele. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 6 suggests these recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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
Avatele, 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).





