September Weather in Port Waikato, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Port Waikato, New Zealand hovers around 13°C (55°F), with a comfortable range that sees minimums of 7°C (45°F) and maximums of 18°C (64°F). Expect precipitation of approximately 123 mm (4.9 in) spread over 16 days, while the air tends to be quite moist, boasting an average humidity of 80%.

September Temperature in Port Waikato

In September in Port Waikato, the average temperature is 13°C (55°F), with maximums reaching 18°C (64°F) and minimums dropping as low as 7°C (45°F). This mild weather makes Port Waikato an ideal destination for travelers seeking a comfortable climate to explore and enjoy outdoor activities.

September Weather in Port Waikato: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port Waikato, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Waikato, September typically has an average temperature of 13°C (55°F), with highs reaching up to 18°C (64°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Port Waikato

In Port Waikato in September, the total precipitation amount is 123 mm (4.9 in), occurring over the course of 16 days.

September Precipitation Trends in Port Waikato

The chart displays monthly precipitation patterns in Port Waikato, 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 Port Waikato, September typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 16 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 Port Waikato

In Port Waikato in September humidity is 80%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making any outdoor activity feel stifling and heavy, which can lead to fatigue for travelers unaccustomed to such moist conditions.

September Average Humidity in Port Waikato

This chart illustrates the average monthly humidity levels in Port Waikato, 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 Port Waikato is approximately 80%, 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 Port Waikato

In Port Waikato 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 Port Waikato.

Maximum UV Index Levels in Port Waikato for September

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

Data source: Port Waikato 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 Port Waikato Compares to Other Months

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

This table compares monthly weather conditions in Port Waikato, 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 (67°F)	61 mm (2.4 inches)	79%	extreme
February Weather	20°C (68°F)	79 mm (3.1 inches)	76%	extreme
March Weather	19°C (66°F)	93 mm (3.7 inches)	74%	very high
April Weather	17°C (63°F)	123 mm (4.9 inches)	74%	high
May Weather	15°C (59°F)	132 mm (5.2 inches)	80%	moderate
June Weather	13°C (56°F)	130 mm (5.1 inches)	82%	moderate
July Weather	12°C (54°F)	153 mm (6.0 inches)	83%	moderate
August Weather	12°C (54°F)	158 mm (6.2 inches)	80%	moderate
September Weather	13°C (55°F)	123 mm (4.9 inches)	80%	high
October Weather	14°C (58°F)	107 mm (4.2 inches)	80%	very high
November Weather	16°C (61°F)	89 mm (3.5 inches)	80%	extreme
December Weather	18°C (65°F)	99 mm (3.9 inches)	78%	extreme