September Weather in Mamaku, New Zealand

Last updated: August 31, 2025

In Mamaku, New Zealand, the average temperature for September is a crisp 10°C (50°F). Expect temperatures to range from a chilly 0°C (32°F) minimum to a pleasant 19°C (66°F) maximum. During this month, you can also anticipate precipitation of 137 mm (5.4 in) spread over about 16 days, contributing to an average humidity level of 78%.

September Temperature in Mamaku

In September in Mamaku, the average temperature is 10°C (50°F), with maximums reaching 19°C (66°F) and minimums dropping as low as 0°C (32°F), making it a perfect time for travelers to enjoy mild weather and explore the area's attractions comfortably.

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

The chart illustrates September temperature patterns in Mamaku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mamaku, September typically has an average temperature of 10°C (50°F), with highs reaching up to 19°C (66°F) and lows dropping to around 0°C (32°F).

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

September Precipitation in Mamaku

In Mamaku in September, the precipitation amount is 137 mm (5.4 in) over the course of 16 days.

September Precipitation Trends in Mamaku

The chart displays monthly precipitation patterns in Mamaku, 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 Mamaku, September typically receives around 137 mm (5.4 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 Mamaku

In Mamaku in September humidity is 78%. With an average temperature of 10°C (50°F), this humidity feels like a chilly dampness that can seep into your clothes, making outdoor activities less enjoyable and requiring extra layers to stay warm as you explore the area.

September Average Humidity in Mamaku

This chart illustrates the average monthly humidity levels in Mamaku, 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 Mamaku 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 Mamaku

In Mamaku 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 Mamaku.

Maximum UV Index Levels in Mamaku for September

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

Data source: Mamaku 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 Mamaku Compares to Other Months

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

This table compares monthly weather conditions in Mamaku, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (65°F)	74 mm (2.9 inches)	69%	extreme
February Weather	18°C (65°F)	106 mm (4.2 inches)	69%	extreme
March Weather	16°C (62°F)	124 mm (4.9 inches)	71%	very high
April Weather	14°C (57°F)	152 mm (6.0 inches)	74%	high
May Weather	11°C (52°F)	107 mm (4.2 inches)	83%	moderate
June Weather	9°C (49°F)	113 mm (4.4 inches)	85%	moderate
July Weather	8°C (47°F)	133 mm (5.2 inches)	86%	moderate
August Weather	9°C (48°F)	152 mm (6.0 inches)	83%	moderate
September Weather	10°C (50°F)	137 mm (5.4 inches)	78%	high
October Weather	12°C (54°F)	121 mm (4.8 inches)	77%	very high
November Weather	15°C (59°F)	120 mm (4.7 inches)	74%	extreme
December Weather	17°C (63°F)	126 mm (5.0 inches)	66%	extreme