September Weather in Gisborne, New Zealand

Last updated: August 31, 2025

Gisborne, New Zealand, experiences a mild and variable September, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 21°C (70°F), resulting in an average of 12°C (54°F). This month marks a transition towards spring, characterized by higher humidity levels at 74% and frequent rainfall, accumulating to 99 mm (3.9 in) over 11 days. As nature awakens, visitors can expect a mix of cozy, cooler days and occasional warmth, perfect for enjoying the region’s stunning landscapes.

September Temperature in Gisborne

In September, Gisborne begins to awaken from the chill of winter, with temperatures showing a promising shift. The minimum temperature rises to 4°C (39°F), providing a subtle warmth as the month progresses. Average temperatures hover around 12°C (54°F), indicating a transition to more pleasant weather, while daytime highs can reach a comfortable 21°C (70°F). This month marks a departure from the cooler conditions of August, as nature prepares for the vibrant growth of spring. Overall, September is a delightful time in Gisborne, where the blend of mild temperatures and increasing daylight cultivates a sense of renewal and anticipation for the warmer months ahead.

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

The chart illustrates September temperature patterns in Gisborne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gisborne, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec686864605653515254576165
Data source: Temperature data for Gisborne 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 Gisborne

In September, Gisborne experiences a notable increase in precipitation, with 99 mm (3.9 in) of rain falling over 11 days. This rainfall marks a slight uptick from the previous month, emphasizing the region's transition into the wetter spring season. As winter recedes, the amount of precipitation in September not only reflects the lush growth of the landscape but also sets the tone for the months ahead. This pattern of increased rainfall is characteristic as temperatures begin to rise and the days grow longer, enhancing the vibrant, green scenery that Gisborne is celebrated for.

September Precipitation Trends in Gisborne

The chart displays monthly precipitation patterns in Gisborne, 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 Gisborne, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3954718269117987799598181
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gisborne

In September, Gisborne experiences a humidity level of 74%, marking a slight dip after a humid winter that saw levels hovering around 77%-78% in July and August. This decrease indicates a gradual transition into the spring months, aligning with a broader trend of fluctuating humidity throughout the year. Notably, the humidity levels in September are slightly lower than the highs of earlier months but remain consistent with the overall averages, as the region prepares for the warmer months ahead. With humidity gently easing, the upcoming weeks promise a fresh and invigorating atmosphere, perfect for enjoying the beauty of Gisborne's springtime.

September Average Humidity in Gisborne

This chart illustrates the average monthly humidity levels in Gisborne, 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 Gisborne is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%73%73%77%78%78%77%74%73%74%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gisborne

As the seasons transition in Gisborne, New Zealand, September heralds a shift in UV exposure with a UV Index of 6, placing it in the high exposure category. This is a slight increase from the more moderate levels experienced in the winter months, where the UV Index hovered around 3 to 5. With a burn time of just 25 minutes, it’s crucial for residents and visitors alike to remain vigilant about sun protection. Looking ahead, the UV Index will rise further in October, emphasizing the importance of adapting to changing conditions as spring unfolds. For a detailed view of daily UV levels, check out the Gisborne UV Index.

Maximum UV Index Levels in Gisborne for September

The chart shows the monthly maximum UV Index (UVI) for Gisborne 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 Gisborne typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14131074335691113
Data source: Gisborne 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.

September Sunshine in Gisborne

In Gisborne, New Zealand, the month of September shines brightly with 243 hours of sunshine, marking a delightful transition from winter to spring. As days gradually lengthen, this month reflects a noticeable increase in sunlight compared to the cooler months of June and July, which saw only 173 and 197 hours, respectively. This upward trend continues through September, hinting at a promising October with 287 hours of sun beckoning eagerly ahead. Notably, the sunshine hours in September establish a rhythm of gradual recovery from the winter's retreat, creating a perfect backdrop for the blossoming landscapes of spring. With each passing day, Gisborne prepares to embrace the warm, sun-soaked days that lie ahead.

Monthly Sunshine Duration in Gisborne: September Highlighted

The September sunshine duration represents the total number of hours Gisborne experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec284h281h259h232h208h173h197h235h243h287h297h335h
Data source: Gisborne September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gisborne During September

In Gisborne, New Zealand, September typically offers a 48% chance of sunny weather, making it a transitional month as winter gives way to the warmer spring season. This percentage reflects a notable uptick from the colder months leading into spring, with the likelihood of sunshine rising from a low of 35% in June to the peak of 54% in August. While September's sunshine chance is slightly lower than the sunny heights of January and April, it surpasses the gloomier months of October and November. Thus, September stands as a promising time for outdoor activities, heralding the brighter days ahead as the region gears up for a delightful spring.

Percentage of Sunny Days in September in Gisborne

The chart illustrates the percentage of sunny days in Gisborne throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Gisborne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec53%38%32%53%45%35%46%54%48%38%35%41%
Data source: Gisborne September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gisborne in September

As September unfolds in Gisborne, New Zealand, the return of longer days begins to emerge, with daylight lasting around 11 hours. This marks a subtle shift from the shorter days of winter, signaling the approach of spring. Following the nine hours of daylight seen in the depths of June and July, September witnesses a gradual increase that continues into October, reaching 13 hours. This pattern reflects the natural rhythm of the seasons, where daylight begins to stretch, infusing the area with more light and energy after the winter months. By the end of the year, Gisborne enjoys the full benefits of summer, basking in up to 14 hours of daylight in December, but September stands as a gentle reminder of the lengthening days ahead.

Average Daylight Hours in Gisborne for September

The chart illustrates the variation in daylight duration in Gisborne throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 30m13h 32m12h 18m11h 2m10h9h 29m9h 44m10h 38m11h 50m13h 5m14h 12m14h 48m
Data source: Gisborne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Gisborne

As September arrives in Gisborne, New Zealand, residents experience a gentle breeze with an average wind speed of 4.3 m/s (10 mph). This marks a slight dip from the more invigorating winds of May and June, which saw speeds of 5.0 m/s and 4.8 m/s respectively. Interestingly, September's wind velocities mirror those of January and October, creating a sense of continuity as spring begins to settle in. Overall, the wind pattern in Gisborne showcases a subtle fluctuation throughout the year, with the transition into spring bringing a refreshing yet calm air that perfectly complements the season's blossoming beauty.

Average September Wind Speed in Gisborne

The chart displays monthly wind speed patterns in Gisborne, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.44.43.65.04.84.44.54.3 m/s4.34.33.9
Data source: Gisborne September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Gisborne Compares to Other Months

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

September and January showcase notable contrasts in weather conditions. In September, temperatures range from a chilly minimum of 4°C to a pleasant maximum of 21°C, averaging around 12°C. This month experiences relatively high precipitation, totaling 99 mm over about 11 days, with a humidity level of 74%. In contrast, January boasts milder temperatures, with a minimum of 10°C and a maximum reaching 30°C, averaging 20°C. This month typically receives much less rainfall, around 38 mm across 6 days, with humidity slightly higher at 76%. For more details on January weather, you can check Gisborne weather in January.

September and February display contrasting weather patterns. In September, temperatures range from a chilly minimum of 4°C (39°F) to a comfortable high of 21°C (70°F), with an average of 12°C (54°F). The month sees about 99 mm (3.9 in) of rainfall spread over 11 days, coupled with a humidity level of 74%. In contrast, February experiences much warmer temperatures, with minima at 11°C (52°F) and maxima soaring to 33°C (92°F), averaging 20°C (68°F). Precipitation is lower, at 54 mm (2.1 in) over 8 days, and humidity remains quite high at 75%. For a detailed look at February weather, you can visit Gisborne weather in February.

September weather tends to be cooler and wetter compared to March. In September, temperatures range from a chilly 4°C (39°F) at night to a mild 21°C (70°F) during the day, with an average of 12°C (54°F). This month also sees significant rainfall, with 99 mm (3.9 in) spread over 11 days and a humidity level of 74%. In contrast, March experiences warmer temperatures, with a minimum of 10°C (50°F), an average of 18°C (65°F), and a maximum of 27°C (81°F). Additionally, March has less precipitation at 71 mm (2.8 in) over 10 days, keeping humidity levels slightly lower at 73%. For more detailed information, you can check Gisborne weather in March.

September and April present distinct variations in weather. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 21°C (70°F), with an average of 12°C (54°F). This month sees a higher precipitation level of 99 mm (3.9 in) over 11 days, while humidity remains relatively high at 74%. In contrast, April offers warmer conditions, with minimum temperatures starting at 8°C (46°F) and maxing out at 25°C (77°F), leading to an average of 16°C (61°F). Precipitation is slightly lower at 82 mm (3.2 in) across the same number of rainy days, and humidity is also comparable at 73%. For more details, you can check out Gisborne weather in April.

In comparing the weather of September and May, both months exhibit mild temperatures, but September tends to be slightly cooler. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 21°C (70°F), with an average of 12°C (54°F). In contrast, May sees slightly warmer conditions, with a minimum of 5°C (41°F), an average of 13°C (56°F), and a maximum of 23°C (73°F). Additionally, September experiences more precipitation, with 99 mm (3.9 in) over 11 days, compared to May's 69 mm (2.7 in) over 10 days. Humidity levels are comparable, with September at 74% and May slightly higher at 77%. For a detailed look at the weather trends in May, you can refer to Gisborne weather in May.

September and June display notable differences in weather patterns, despite having similar average temperatures. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 21°C (70°F), with an average of 12°C (54°F). In contrast, June sees slightly cooler maximum temperatures, peaking at 19°C (67°F) while still maintaining the same minimum. Precipitation is also higher in June, with 117 mm (4.6 in) spread over 12 days, compared to September's 99 mm (3.9 in) over 11 days. Furthermore, June has a slightly higher humidity level at 78%, compared to 74% in September. For more information, you can check Gisborne weather in June.

When comparing the weather between September and July, September tends to be slightly warmer with an average temperature of 12°C (54°F), compared to July's average of 10°C (51°F). In terms of extremes, September can reach a maximum of 21°C (70°F), while July tops out at 18°C (65°F). Both months experience similar precipitation levels, with September receiving 99 mm (3.9 in) over 11 days and July at 98 mm (3.9 in) across 13 days. However, September is generally less humid at 74% compared to July's 78%. For a more detailed look at July's weather, you can check Gisborne weather in July.

In comparing the weather between August and September, September tends to be slightly warmer with average temperatures reaching 12°C (54°F), compared to August's average of 11°C (52°F). The maximum temperature in September also increases to 21°C (70°F), whereas in August it peaks at 19°C (66°F). However, September experiences more rainfall, with a total precipitation of 99 mm (3.9 in) over 11 days, compared to August's 77 mm (3.0 in) over the same number of days. Humidity remains relatively high in both months, at 74% in September and 77% in August. For more detailed information on August weather, you can visit Gisborne weather in August.

In September, the weather is characterized by cooler temperatures, with a minimum of 4°C (39°F) and an average of 12°C (54°F), peaking at 21°C (70°F). It is also a wetter month, receiving 99 mm (3.9 in) of precipitation over 11 days, coupled with a humidity level of 74%. In contrast, October shows a slight warming trend, with minimum temperatures of 5°C (41°F), an average of 14°C (57°F), and maximums reaching 24°C (76°F). Precipitation decreases significantly to 59 mm (2.3 in) spread across 10 days, while humidity remains relatively stable at 73%. For more details, you can check Gisborne weather in October.

In comparing the weather between September and November, September experiences cooler temperatures with a minimum of 4°C (39°F), an average of 12°C (54°F), and a maximum of 21°C (70°F). In contrast, November brings milder conditions, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 26°C (80°F) and an average of 16°C (61°F). While September sees higher precipitation at 99 mm (3.9 in) over 11 days, November has lower rainfall, totaling 81 mm (3.2 in) over the same number of days. Both months have a consistent humidity level of 74%. For a detailed look at November's weather, check out Gisborne weather in November.

In September, temperatures in Gisborne range from a chilly minimum of 4°C (39°F) to a mild maximum of 21°C (70°F), with an average of 12°C (54°F). During this month, the region experiences 99 mm (3.9 in) of precipitation over 11 days, contributing to a humidity level of 74%. In contrast, December offers warmer weather, with temperatures ranging from a minimum of 10°C (50°F) to a pleasant maximum of 27°C (81°F), averaging 18°C (65°F). Precipitation in December decreases to 81 mm (3.2 in) over the same number of rainy days, and humidity remains slightly lower at 73%. For more detailed insights about December weather, you can check out Gisborne weather in December.

Compare Gisborne's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Gisborne

As we transition into September, Gisborne experiences a refreshing shift in weather that heralds the arrival of spring. With temperatures beginning to warm up, the average climate feels notably milder compared to the winter months, yet the brisk nights remind us that cooler days are still ahead. While precipitation remains relatively high, frequent showers are accompanied by bursts of sunshine, making for a dynamic weather pattern that contrasts with the more stable conditions of summer. As humidity hovers around a notable 74%, the air feels both fresh and invigorating, inviting outdoor activities. To delve deeper into the unique characteristics of Gisborne's climate throughout the year, visit Gisborne Climate.