September Weather in Wainui, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Wainui, New Zealand is a comfortable 12°C (54°F), with a minimum dipping to 4°C (39°F) and a maximum reaching up to 21°C (70°F). Expect about 99 mm (3.9 in) of precipitation spread over 11 days, resulting in an average humidity of 74%. Whether you're exploring or relaxing, the weather offers a unique experience this month!

September Temperature in Wainui

In September in Wainui, the average temperature is 12°C (54°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as 4°C (39°F). This climate offers a pleasant experience for travelers looking to explore Wainui.

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

The chart illustrates September temperature patterns in Wainui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wainui, September typically has an average temperature of 12°C (54°F), with highs reaching up to 21°C (70°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Wainui

In Wainui, in September, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.

September Precipitation Trends in Wainui

The chart displays monthly precipitation patterns in Wainui, 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 Wainui, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Wainui

In Wainui in September, humidity is 74%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace that can dampen your travel experience, making it essential to dress in layers and prepare for an unexpected drizzle while exploring the sights.

September Average Humidity in Wainui

This chart illustrates the average monthly humidity levels in Wainui, 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 Wainui is approximately 74%, 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 Wainui

In Wainui in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Wainui, you can refer to this Hourly UV Index in Wainui.

Maximum UV Index Levels in Wainui for September

The chart shows the monthly maximum UV Index (UVI) for Wainui 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 Wainui typically reaches 6, which falls under the high exposure category.

Data source: Wainui 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 Wainui Compares to Other Months

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

This table compares monthly weather conditions in Wainui, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	38 mm (1.5 inches)	76%	extreme
February Weather	20°C (68°F)	54 mm (2.1 inches)	75%	extreme
March Weather	18°C (65°F)	71 mm (2.8 inches)	73%	very high
April Weather	16°C (61°F)	82 mm (3.2 inches)	73%	high
May Weather	13°C (56°F)	69 mm (2.7 inches)	77%	moderate
June Weather	12°C (53°F)	117 mm (4.6 inches)	78%	moderate
July Weather	10°C (51°F)	98 mm (3.9 inches)	78%	moderate
August Weather	11°C (52°F)	77 mm (3.0 inches)	77%	moderate
September Weather	12°C (54°F)	99 mm (3.9 inches)	74%	high
October Weather	14°C (57°F)	59 mm (2.3 inches)	73%	very high
November Weather	16°C (61°F)	81 mm (3.2 inches)	74%	extreme
December Weather	18°C (65°F)	81 mm (3.2 inches)	73%	extreme