nomadseason

September Weather in Castlepoint, New Zealand

Last updated: August 31, 2025

In Castlepoint, New Zealand, the average temperature in September hovers around 11°C (53°F), with a minimum of 6°C (44°F) and a maximum of 17°C (63°F). During this month, expect about 90 mm (3.6 in) of rainfall spread over 11 days, accompanied by an average humidity level of 80%. Prepare for a damp and cool atmosphere!

September Temperature in Castlepoint

In September in Castlepoint, the average temperature is 11°C (53°F). Maximums can reach 17°C (63°F), while minimums can drop as low as 6°C (44°F). Visitors should prepare for mild weather, making it a great time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Castlepoint, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castlepoint, September typically has an average temperature of 11°C (53°F), with highs reaching up to 17°C (63°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec646462595654525253555861
Data source: Temperature data for Castlepoint generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Castlepoint

In Castlepoint in September, the precipitation amount is 90 mm (3.6 in) spread over 11 days.

September Precipitation Trends in Castlepoint

The chart displays monthly precipitation patterns in Castlepoint, 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 Castlepoint, September typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec425792101651038269917181113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Castlepoint

In Castlepoint in September, humidity is 80%. With an average temperature of 11°C (53°F), this humidity feels like a damp blanket wrapped around you, making it slightly uncomfortable for traveling, as the cool air mixes with the moisture, leaving you feeling chilly and a bit sticky at the same time.

September Average Humidity in Castlepoint

This chart illustrates the average monthly humidity levels in Castlepoint, 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 Castlepoint is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%76%77%82%83%84%81%80%79%78%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Castlepoint

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

Maximum UV Index Levels in Castlepoint for September

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

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

This table compares monthly weather conditions in Castlepoint, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)42 mm (1.7 inches)75%extreme
February Weather18°C (65°F)57 mm (2.2 inches)76%extreme
March Weather17°C (63°F)92 mm (3.6 inches)75%very high
April Weather15°C (59°F)101 mm (4.0 inches)77%high
May Weather14°C (57°F)65 mm (2.6 inches)82%moderate
June Weather12°C (54°F)103 mm (4.0 inches)83%low
July Weather11°C (52°F)82 mm (3.2 inches)83%low
August Weather11°C (52°F)69 mm (2.7 inches)81%moderate
September Weather11°C (53°F)90 mm (3.6 inches)80%high
October Weather13°C (55°F)71 mm (2.8 inches)79%very high
November Weather14°C (58°F)81 mm (3.2 inches)78%extreme
December Weather16°C (62°F)113 mm (4.5 inches)75%extreme

Compare Castlepoint's Climate with Cities Worldwide