Alofi weather in September 2025

Q: How hot is it in Alofi in September?

Daytime temperatures usually reach 26°C in Alofi in September with moderate heat and humidity, falling to 20°C at night.

Q: How warm is the sea around Alofi in September?

The average sea temperature around Alofi in September is 25°C.

Q: Does it rain in Alofi in September?

There are usually 5 days with some rain in Alofi in September and the average monthly rainfall is 138mm.

Expect daytime maximum temperatures of 79°F in Alofi, Niue in September based on long-term weather averages. There is typically5.4 inches of rainfall in the month.

79
79°F max day temperature
5
5 days with some rainfall
68
68°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
5.4
5.4 inches of monthly rainfall
11
11 (Extreme) UV index
77
77°F sea temperature

More about Alofi

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The September weather guide for Niue, represented by Alofi, (Alofi) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Alofi in September?

Daytime temperatures usually reach 79°F in Alofi in September with moderate heat and humidity, falling to 68°F at night.

How warm is the sea around Alofi in September?

The average sea temperature around Alofi in September is 77°F.

Does it rain in Alofi in September?

There are usually 5 days with some rain in Alofi in September and the average monthly rainfall is 5.4 inches.

Alofi September sunrise & sunset times

Browse the sunrise and sunset times for Alofi in September 2025. Select a month to view Alofi sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Monday, 1st September 2025	06:27	18:12
Monday, 15th September 2025	06:15	18:15
Tuesday, 30th September 2025	06:02	18:17

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Niue - quick facts
Time difference	UK -11 hours
Language(s)	Niuean, English
Currency	New Zealand Dollar, Niue Dollar
Electricity	I plug (230V)
Driving side	Left
Why visit?	Beaches Nature
Tourist info	Niue Tourism Office