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September Weather in Geraldine, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Geraldine, New Zealand hovers around 8°C (47°F). Expect a minimum of -4°C (25°F) and a maximum of 21°C (71°F), offering a diverse range of weather. During this month, precipitation is around 71 mm (2.8 in) spread over 11 days, contributing to an average humidity level of 83%. Be prepared for a mix of cool and wet conditions!

September Temperature in Geraldine

In September in Geraldine, the average temperature is 8°C (47°F). The maximum can reach 21°C (71°F) and the minimum can be as low as -4°C (25°F). Be sure to pack layers to stay comfortable while exploring the diverse weather conditions.

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

The chart illustrates September temperature patterns in Geraldine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geraldine, September typically has an average temperature of 8°C (47°F), with highs reaching up to 21°C (71°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec616057524641404347515559
Data source: Temperature data for Geraldine 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 Geraldine

In Geraldine in September, the precipitation amount is 71 mm (2.8 in) distributed over 11 days.

September Precipitation Trends in Geraldine

The chart displays monthly precipitation patterns in Geraldine, 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 Geraldine, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec77991009676651056571101126136
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Geraldine

In Geraldine in September humidity is 83%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making travel uncomfortable and leaving you yearning for warmth and dryness as you explore.

September Average Humidity in Geraldine

This chart illustrates the average monthly humidity levels in Geraldine, 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 Geraldine is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%76%78%81%84%85%85%84%83%80%78%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Geraldine

In Geraldine 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 Geraldine.

Maximum UV Index Levels in Geraldine for September

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

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

This table compares monthly weather conditions in Geraldine, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)77 mm (3.0 inches)79%extreme
February Weather16°C (60°F)99 mm (3.9 inches)76%extreme
March Weather14°C (57°F)100 mm (3.9 inches)78%very high
April Weather11°C (52°F)96 mm (3.8 inches)81%high
May Weather8°C (47°F)76 mm (3.0 inches)84%moderate
June Weather5°C (41°F)65 mm (2.6 inches)85%low
July Weather5°C (41°F)105 mm (4.1 inches)85%low
August Weather6°C (43°F)65 mm (2.6 inches)84%moderate
September Weather8°C (47°F)71 mm (2.8 inches)83%moderate
October Weather10°C (51°F)101 mm (4.0 inches)80%very high
November Weather13°C (56°F)126 mm (5.0 inches)78%very high
December Weather15°C (59°F)136 mm (5.3 inches)81%extreme

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