September Weather in Alofi, Niue

Last updated: August 31, 2025

In Alofi, Niue, the average temperature in September is a pleasant 24°C (76°F), ranging from a minimum of 21°C (70°F) to a maximum of 26°C (80°F). Expect 76 mm (3.0 in) of precipitation over 13 days, contributing to an average humidity of 81%. Enjoy the mild climate!

September Temperature in Alofi

In September in Alofi, the average temperature is 24°C (76°F), with maximums reaching 26°C (80°F) and minimums dropping to 21°C (70°F). This pleasant climate makes Alofi an ideal destination for travelers looking to enjoy mild and comfortable weather.

September Weather in Alofi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Alofi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alofi, September typically has an average temperature of 24°C (76°F), with highs reaching up to 26°C (80°F) and lows dropping to around 21°C (70°F).

Data source: Temperature data for Alofi generated using information from the Copernicus Climate Change Service.

September Precipitation in Alofi

In Alofi in September, the total precipitation amount is 76 mm (3.0 in), which occurs over the course of 13 days.

September Precipitation Trends in Alofi

The chart displays monthly precipitation patterns in Alofi, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Alofi, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Alofi

In Alofi in September, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of hydration.

September Average Humidity in Alofi

This chart illustrates the average monthly humidity levels in Alofi, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Alofi is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alofi

In Alofi in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Alofi.

Maximum UV Index Levels in Alofi for September

The chart shows the monthly maximum UV Index (UVI) for Alofi in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Alofi typically reaches 12, which falls under the extreme exposure category.

Data source: Alofi September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Alofi Compares to Other Months

Weather in Alofi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Alofi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Alofi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	254 mm (10.0 inches)	82%	extreme
February Weather	27°C (81°F)	265 mm (10.4 inches)	83%	extreme
March Weather	27°C (81°F)	158 mm (6.2 inches)	81%	extreme
April Weather	27°C (80°F)	188 mm (7.4 inches)	80%	extreme
May Weather	26°C (79°F)	282 mm (11.1 inches)	81%	very high
June Weather	25°C (78°F)	69 mm (2.7 inches)	77%	high
July Weather	24°C (76°F)	90 mm (3.5 inches)	78%	very high
August Weather	24°C (76°F)	135 mm (5.3 inches)	79%	extreme
September Weather	24°C (76°F)	76 mm (3.0 inches)	81%	extreme
October Weather	25°C (77°F)	142 mm (5.6 inches)	85%	extreme
November Weather	25°C (78°F)	110 mm (4.3 inches)	84%	extreme
December Weather	26°C (79°F)	232 mm (9.1 inches)	84%	extreme