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September Weather in Cambridge, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Cambridge, New Zealand hovers around 11°C (53°F). Expect chilly days, with minimums dipping to -1°C (31°F) and maximums reaching 20°C (68°F). Be prepared for some wet weather, as precipitation averages about 115 mm (4.5 in) over 15 days. Additionally, the air is quite humid, with an average humidity of 78%.

September Temperature in Cambridge

In September in Cambridge, the average temperature is 11°C (53°F). The maximum can reach 20°C (68°F), while the minimum can drop as low as -1°C (31°F). This variability makes it essential for travelers to pack layers and be prepared for unexpected weather changes.

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

The chart illustrates September temperature patterns in Cambridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cambridge, September typically has an average temperature of 11°C (53°F), with highs reaching up to 20°C (68°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec666764595451495053566064
Data source: Temperature data for Cambridge 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 Cambridge

In Cambridge in September, the total precipitation amount is 115 mm (4.5 in) over a span of 15 days.

September Precipitation Trends in Cambridge

The chart displays monthly precipitation patterns in Cambridge, 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 Cambridge, September typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6187941291079912813811510693115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cambridge

In Cambridge in September, humidity is 78%. With an average temperature of 11°C (53°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities somewhat uncomfortable as you navigate through the unpredictable weather.

September Average Humidity in Cambridge

This chart illustrates the average monthly humidity levels in Cambridge, 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 Cambridge is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%69%71%74%83%86%86%83%78%77%74%66%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cambridge

In Cambridge 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 Cambridge.

Maximum UV Index Levels in Cambridge for September

The chart shows the monthly maximum UV Index (UVI) for Cambridge 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 Cambridge typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141410743357101113
Data source: Cambridge 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 Cambridge Compares to Other Months

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

This table compares monthly weather conditions in Cambridge, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (67°F)61 mm (2.4 inches)69%extreme
February Weather20°C (67°F)87 mm (3.4 inches)69%extreme
March Weather18°C (64°F)94 mm (3.7 inches)71%very high
April Weather15°C (59°F)129 mm (5.1 inches)74%high
May Weather12°C (54°F)107 mm (4.2 inches)83%moderate
June Weather10°C (51°F)99 mm (3.9 inches)85%moderate
July Weather9°C (49°F)128 mm (5.1 inches)86%moderate
August Weather10°C (51°F)138 mm (5.4 inches)83%moderate
September Weather11°C (53°F)115 mm (4.5 inches)78%high
October Weather13°C (56°F)106 mm (4.2 inches)77%very high
November Weather16°C (61°F)93 mm (3.7 inches)74%extreme
December Weather18°C (65°F)115 mm (4.5 inches)66%extreme

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