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September Weather in Waikawa, New Zealand

Last updated: August 31, 2025

In Waikawa, New Zealand, the average temperature in September hovers around 11°C (51°F). Expect minimums dropping to 3°C (37°F) and highs reaching up to 18°C (64°F). During this month, you'll encounter approximately 87 mm (3.4 in) of precipitation over 11 days, accompanied by a comfortably high average humidity of 83%.

September Temperature in Waikawa

In September in Waikawa, the average temperature is 11°C (51°F). Maximum temperatures can reach 18°C (64°F), while minimums can drop as low as 3°C (37°F). This mild climate makes Waikawa a pleasant destination for travelers seeking comfortable weather.

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

The chart illustrates September temperature patterns in Waikawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waikawa, September typically has an average temperature of 11°C (51°F), with highs reaching up to 18°C (64°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec646361575450485051545861
Data source: Temperature data for Waikawa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Waikawa

In Waikawa in September, the precipitation amount is 87 mm (3.4 in) over the course of 11 days.

September Precipitation Trends in Waikawa

The chart displays monthly precipitation patterns in Waikawa, 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 Waikawa, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec367471108948110884878081104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Waikawa

In Waikawa in September, humidity is 83%. With an average temperature of 11°C (51°F), this humidity feels like a chilly dampness that clings to your skin, making any outdoor adventures a bit uncomfortable and best enjoyed with layered clothing and a light raincoat.

September Average Humidity in Waikawa

This chart illustrates the average monthly humidity levels in Waikawa, 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 Waikawa is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Waikawa

In Waikawa 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 Waikawa, you can refer to this Hourly UV Index in Waikawa.

Maximum UV Index Levels in Waikawa for September

The chart shows the monthly maximum UV Index (UVI) for Waikawa 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 Waikawa typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691113
Data source: Waikawa 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 Waikawa Compares to Other Months

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

This table compares monthly weather conditions in Waikawa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)36 mm (1.4 inches)79%extreme
February Weather17°C (63°F)74 mm (2.9 inches)79%extreme
March Weather16°C (61°F)71 mm (2.8 inches)79%very high
April Weather14°C (57°F)108 mm (4.2 inches)80%high
May Weather12°C (54°F)94 mm (3.7 inches)84%moderate
June Weather10°C (50°F)81 mm (3.2 inches)86%low
July Weather9°C (49°F)108 mm (4.3 inches)86%low
August Weather10°C (50°F)84 mm (3.3 inches)83%moderate
September Weather11°C (51°F)87 mm (3.4 inches)83%high
October Weather12°C (55°F)80 mm (3.2 inches)82%very high
November Weather14°C (58°F)81 mm (3.2 inches)82%extreme
December Weather16°C (61°F)104 mm (4.1 inches)81%extreme

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