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September Weather in New Brighton, New Zealand

Last updated: August 31, 2025

In September, the average temperature in New Brighton, New Zealand hovers around 10°C (50°F), with minimums dipping to 3°C (37°F) and maximums peaking at 18°C (65°F). Expect about 46 mm (1.8 in) of precipitation over 8 days, contributing to a notably high average humidity of 82%.

September Temperature in New Brighton

In September, in New Brighton, the average temperature is 10°C (50°F). Maximums can reach 18°C (65°F), while minimums can drop as low as 3°C (37°F). This mild climate makes New Brighton a pleasant destination for travelers looking to enjoy comfortable temperatures during their visit.

September Weather in New Brighton: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in New Brighton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Brighton, September typically has an average temperature of 10°C (50°F), with highs reaching up to 18°C (65°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec636360565248464850535760
Data source: Temperature data for New Brighton 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 New Brighton

In New Brighton in September, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.

September Precipitation Trends in New Brighton

The chart displays monthly precipitation patterns in New Brighton, 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 New Brighton, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec474055705266664746566881
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in New Brighton

In New Brighton in September, humidity is 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

September Average Humidity in New Brighton

This chart illustrates the average monthly humidity levels in New Brighton, 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 New Brighton is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%72%77%77%82%84%85%83%82%79%77%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in New Brighton

In New Brighton in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in New Brighton.

Maximum UV Index Levels in New Brighton for September

The chart shows the monthly maximum UV Index (UVI) for New Brighton 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 New Brighton typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312963223591012
Data source: New Brighton 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 New Brighton Compares to Other Months

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

This table compares monthly weather conditions in New Brighton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)47 mm (1.8 inches)72%extreme
February Weather17°C (63°F)40 mm (1.6 inches)72%extreme
March Weather16°C (60°F)55 mm (2.2 inches)77%very high
April Weather13°C (56°F)70 mm (2.8 inches)77%high
May Weather11°C (52°F)52 mm (2.1 inches)82%moderate
June Weather9°C (48°F)66 mm (2.6 inches)84%low
July Weather8°C (47°F)66 mm (2.6 inches)85%low
August Weather9°C (48°F)46 mm (1.8 inches)82%moderate
September Weather10°C (50°F)46 mm (1.8 inches)82%moderate
October Weather12°C (53°F)56 mm (2.2 inches)79%very high
November Weather14°C (57°F)68 mm (2.7 inches)77%very high
December Weather16°C (61°F)81 mm (3.2 inches)75%extreme

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