September Weather in Wairoa, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Wairoa, New Zealand hovers around 11°C (52°F). Expect a minimum temperature of 1°C (34°F) and a pleasant maximum of 20°C (69°F). During this period, precipitation amounts to approximately 134 mm (5.3 in) over 11 days, contributing to an average humidity of 78%. Prepare for a mix of cool and wet days!

September Temperature in Wairoa

In September in Wairoa, the average temperature is 11°C (52°F). The maximum can reach 20°C (69°F) and the minimum can be as low as 1°C (34°F). This makes it an ideal time for travelers looking to enjoy mild weather and explore the outdoors.

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

The chart illustrates September temperature patterns in Wairoa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wairoa, September typically has an average temperature of 11°C (52°F), with highs reaching up to 20°C (69°F) and lows dropping to around 1°C (34°F).

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

September Precipitation in Wairoa

In Wairoa in September, the precipitation amount is 134 mm (5.3 in) spread over 11 days.

September Precipitation Trends in Wairoa

The chart displays monthly precipitation patterns in Wairoa, 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 Wairoa, September typically receives around 134 mm (5.3 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 Wairoa

In Wairoa in September humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.

September Average Humidity in Wairoa

This chart illustrates the average monthly humidity levels in Wairoa, 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 Wairoa is approximately 78%, 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 Wairoa

In Wairoa in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Wairoa.

Maximum UV Index Levels in Wairoa for September

The chart shows the monthly maximum UV Index (UVI) for Wairoa 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 Wairoa typically reaches 7, which falls under the high exposure category.

Data source: Wairoa 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 Wairoa Compares to Other Months

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

This table compares monthly weather conditions in Wairoa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	19°C (66°F)	54 mm (2.1 inches)	69%	extreme
February Weather	19°C (66°F)	83 mm (3.3 inches)	69%	extreme
March Weather	17°C (62°F)	107 mm (4.2 inches)	71%	very high
April Weather	15°C (58°F)	108 mm (4.2 inches)	74%	high
May Weather	12°C (54°F)	94 mm (3.7 inches)	83%	moderate
June Weather	11°C (51°F)	123 mm (4.9 inches)	85%	moderate
July Weather	9°C (49°F)	105 mm (4.1 inches)	86%	moderate
August Weather	10°C (50°F)	79 mm (3.1 inches)	83%	moderate
September Weather	11°C (52°F)	134 mm (5.3 inches)	78%	high
October Weather	13°C (56°F)	89 mm (3.5 inches)	77%	very high
November Weather	15°C (60°F)	114 mm (4.5 inches)	74%	extreme
December Weather	18°C (64°F)	98 mm (3.9 inches)	66%	extreme