September Weather in Whakatane, New Zealand

Last updated: August 31, 2025

September in Whakatane, New Zealand brings a refreshing transition into spring, characterized by a maximum temperature reaching 20°C (68°F) and an average of 12°C (54°F). The month sees a minimum temperature dipping to 3°C (37°F), creating crisp early mornings. Precipitation is notable, with 126 mm (5.0 in) of rain spread over 13 days, contributing to the lush landscape that defines the region. With an average humidity of 78%, September's weather creates a lively, invigorating atmosphere, perfect for exploring the beauty of Whakatane's natural surroundings.

September Temperature in Whakatane

In Whakatane, New Zealand, September marks the transition from the chill of winter to the mild embrace of spring. With temperatures ranging from a minimum of 3°C (37°F) to a pleasant 20°C (68°F), this month showcases a gentle warming trend. The average temperature hovers around 12°C (54°F), signaling a significant increase compared to the cooler months of July and August. This gradual rise invites the blooming of spring flora and encourages outdoor activities, making September a delightful time for residents and visitors to enjoy the stunning natural beauty of the region. As the month progresses, the promise of warmer days ahead is palpable, setting the stage for the vibrant months to come.

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

The chart illustrates September temperature patterns in Whakatane, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Whakatane, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686865615653515254576166
Data source: Temperature data for Whakatane 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 Whakatane

In September, Whakatane experiences a notable shift in its precipitation patterns, receiving 126 mm (5.0 in) of rain over 13 days. This marks a decrease from the significantly wetter months of June and August, which recorded 154 mm and 156 mm, respectively. However, September's rainfall is still substantial, reflecting the region's transition from a winter to a spring climate. This month serves as a bridge, maintaining a high frequency of rainy days while hinting at the drier conditions that typically characterize the approaching summer. As the landscape begins to bloom with new life, the consistent precipitation supports the vibrant ecosystems that thrive in this coastal haven.

September Precipitation Trends in Whakatane

The chart displays monthly precipitation patterns in Whakatane, 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 Whakatane, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec589611514610715413715612612292128
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Whakatane

As September rolls into Whakatane, New Zealand, the humidity begins to decrease slightly, measuring at 78%. This month marks a subtle shift from the higher levels experienced in the cold winter months of July and June, which peaked at 86% and 85%, respectively. This gradual decline in humidity can be seen as a prelude to warmer spring conditions. Compared to the elevated 83% humidity typical in August, September provides a brief respite before the humidity continues its yearly fluctuations. Overall, the trend indicates a movement towards more moderate conditions as the region transitions from the chill of winter to the more temperate springtime.

September Average Humidity in Whakatane

This chart illustrates the average monthly humidity levels in Whakatane, 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 Whakatane is approximately {2}%, 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 Whakatane

In September, Whakatane experiences a UV Index of 7, placing it in the high exposure category with a burn time of approximately 25 minutes. As the region transitions into spring, there's a noticeable shift from the lower UV levels of winter. This increase hints at the sun's growing strength as the days lengthen and temperatures rise. It's crucial for residents and visitors alike to remain vigilant and protect their skin, as the risk of harm increases. As you plan your outdoor activities, be sure to check the updated UV levels through this link: Whakatane UV Index. By taking the right precautions, you can enjoy the sunny days ahead safely!

Maximum UV Index Levels in Whakatane for September

The chart shows the monthly maximum UV Index (UVI) for Whakatane 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 Whakatane typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14131074335791113
Data source: Whakatane 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 Whakatane

September in Whakatane, New Zealand, offers a delightful transition from winter to spring, showcasing 253 hours of sunshine. While this is a dip from the peak summer months of January and February, which bask in over 280 hours of sunlight, it still marks a noticeable increase from the cooler mid-year months, such as June with its mere 183 hours. The gradual rise in sunlight hours during this month hints at the awakening of nature, making September a wonderful time to enjoy the outdoors. As daylight continues to grow in the months that follow, with November hitting 304 hours, the anticipation of warmer days enhances the charm of Whakatane’s vibrant landscape.

Monthly Sunshine Duration in Whakatane: September Highlighted

The September sunshine duration represents the total number of hours Whakatane 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.
JanFebMarAprMayJunJulAugSepOctNovDec286h287h285h241h219h183h204h233h253h284h304h342h
Data source: Whakatane September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Whakatane During September

In Whakatane, New Zealand, September experiences a 42% chance of sunny weather, marking a subtle dip from the slightly brighter days of August. As the seasons shift, this month typically transitions from the winter chill, where June enjoys its lowest sunshine probabilities, to the more optimistic forecasts of springtime. While September's likelihood of sun is higher than the forthcoming October, it remains below the average sunshine levels seen in the earlier months of the year, such as January and April, which boast chances of sun above 50%. This seasonal trend suggests that although the days are getting longer, residents and visitors alike may still want to keep an umbrella handy as they anticipate the gradual warming ahead.

Percentage of Sunny Days in September in Whakatane

The chart illustrates the percentage of sunny days in Whakatane 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 Whakatane experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%44%46%51%49%34%50%48%42%32%37%34%
Data source: Whakatane September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Whakatane in September

As September rolls in Whakatane, New Zealand, daylight begins to stretch once again, offering 11 hours of sunlight. This gradual increase marks a charming transition from the deeper winter months of June and July, where daylight dwindles to just 9 hours. Following the pattern set by previous months, September's daylight duration signals the approach of spring, mirroring October's jump to 13 hours. This trend of lengthening days, coupled with increasing temperatures, sets the stage for an invigorating change in the landscape, heralding the vibrant blooms and activities of the season to come. As the year progresses, Whakatane's daylight continues to bloom, reflecting the rhythms of nature and the promise of longer, sunnier days ahead.

Average Daylight Hours in Whakatane for September

The chart illustrates the variation in daylight duration in Whakatane throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 27m13h 30m12h 17m11h 4m10h 3m9h 33m9h 48m10h 40m11h 50m13h 3m14h 9m14h 44m
Data source: Whakatane daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Whakatane

As September unfolds in Whakatane, the average wind speed picks up, reaching a brisk 4.0 m/s (9 mph), similar to the gusty conditions of July. This slight increase signals the transition into spring, where lingering winter chill gives way to warmer, energizing breezes. With winds steady and invigorating, September invites locals and visitors alike to revel in the fresh air, setting a refreshing tone for the months ahead. Interestingly, the wind speed has shown a gradual increase during past months, from a gentle 3.2 m/s (7 mph) in February to this month’s lively currents, highlighting the dynamic shifts in Whakatane's climate as it steers toward the sunnier days of summer.

Average September Wind Speed in Whakatane

The chart displays monthly wind speed patterns in Whakatane, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.23.33.33.73.44.03.64.0 m/s3.63.63.5
Data source: Whakatane September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Whakatane Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a chilly minimum of 3°C (37°F) to a mild maximum of 20°C (68°F), with an average of 12°C (54°F). This month is characterized by significant rainfall, averaging 126 mm (5.0 in) over 13 days, and higher humidity levels at 78%. In stark contrast, January boasts a much warmer climate with temperatures ranging from a minimum of 11°C (51°F) to a comfortable maximum of 29°C (84°F), averaging 20°C (68°F). Precipitation decreases to 58 mm (2.3 in) over just 7 days, and humidity is also lower at 69%. For those interested in specific weather details in January, you can find more information here: Whakatane weather in January.

September and February showcase distinctly different weather patterns. In September, temperatures range from a cool minimum of 3°C (37°F) to a mild maximum of 20°C (68°F), with an average of 12°C (54°F). This month also sees considerable precipitation, totaling 126 mm (5.0 in) over 13 days, coupled with a higher humidity level at 78%. In contrast, February presents a warmer climate, with temperatures soaring between 10°C (50°F) and a maximum of 33°C (91°F), averaging 20°C (68°F). Precipitation decreases to 96 mm (3.8 in) over just 7 days, and humidity drops to 69%. For more details on February weather, visit Whakatane weather in February.

The weather in September is cooler and more variable compared to March. September typically sees minimum temperatures around 3°C (37°F) and averages around 12°C (54°F), with maximums reaching 20°C (68°F). It also experiences higher precipitation, averaging 126 mm (5.0 in) over 13 days, and a humidity level of 78%. In contrast, March enjoys much milder conditions, with minimums of 9°C (49°F) and an average temperature of 18°C (65°F), peaking at a warm 26°C (79°F). Precipitation in March is slightly lower at 115 mm (4.5 in) over just 11 days, accompanied by a more comfortable humidity level of 71%. For more specific insights, you can check out Whakatane weather in March.

When comparing the weather in September and April, September tends to be cooler with average temperatures ranging from 3°C (37°F) to 20°C (68°F), while April enjoys a milder climate with temperatures between 7°C (46°F) and 23°C (75°F). Additionally, September experiences higher humidity at 78% and more rainy days, totaling 13 days of precipitation and about 126 mm (5.0 in) of rain. In contrast, April has slightly lower humidity at 74%, fewer rainy days (10 days), and an overall precipitation of 146 mm (5.7 in). For more detailed insights, you can check out Whakatane weather in April.

When comparing the weather in September and May, we observe some notable similarities and differences. Both months feature maximum temperatures that cap at 20°C (68°F), but September's average temperature is slightly cooler at 12°C (54°F) compared to May's 13°C (56°F). September also experiences a higher level of precipitation, with 126 mm (5.0 in) spread over 13 rainy days, while May has 107 mm (4.2 in) of rainfall over just 9 days. Additionally, humidity levels are relatively high in both months, with September at 78% and May at 83%. For more details about the weather specifics in May, check out Whakatane weather in May.

In a comparison of weather between September and June, both months show a similar temperature range, with September featuring a slightly higher maximum temperature of 20°C (68°F) compared to June's 19°C (66°F). However, the average temperature remains nearly identical, with September averaging 12°C (54°F) and June averaging 12°C (53°F). Precipitation levels are higher in June, with 154 mm (6.1 in) compared to September's 126 mm (5.0 in), though the number of rainy days is slightly fewer in June at 11 days versus September's 13 days. Additionally, humidity is higher in June at 85% compared to 78% in September. For specific insights into June weather, you can refer to Whakatane weather in June.

When comparing the weather in September and July, September tends to be slightly warmer with average temperatures reaching 12°C (54°F) compared to July's average of 11°C (51°F). The maximum temperature in September also surpasses that of July, with a high of 20°C (68°F) versus July's 17°C (62°F). However, September experiences more precipitation, accumulating 126 mm (5.0 in) over 13 days, while July has a slightly higher total of 137 mm (5.4 in) over 11 days. Humidity levels are also marginally lower in September at 78%, compared to July's 86%. For more details, you can check Whakatane weather in July.

In comparing the weather of September to August, September generally presents slightly warmer temperatures, with averages reaching 12°C (54°F) compared to August's 11°C (52°F). The maximum temperature in September also rises to 20°C (68°F), while August peaks at 18°C (64°F). However, September experiences a bit more precipitation, totaling 126 mm (5.0 in) over 13 days, compared to August's 156 mm (6.1 in) over the same number of days. Additionally, humidity levels are somewhat lower in September at 78%, while August sees a higher average of 83%. For a more detailed look, you can check Whakatane weather in August.

In September, the weather tends to be cooler with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 20°C (68°F) and an average of 12°C (54°F). Precipitation is relatively high at 126 mm (5.0 in), occurring on 13 days, and humidity is at 78%. In contrast, October experiences slightly milder temperatures, with a minimum of 5°C (41°F) and a maximum of 24°C (75°F), resulting in an average of 14°C (57°F). The month sees a similar amount of precipitation at 122 mm (4.8 in), but it falls on just 12 days, while humidity decreases slightly to 77%. For those interested in more detailed information, you can check Whakatane weather in October.

September and November exhibit notable differences in weather patterns. September tends to be cooler, featuring a minimum temperature of 3°C (37°F) and an average of 12°C (54°F), while November enjoys milder temperatures with a minimum of 8°C (46°F) and an average of 16°C (62°F). Additionally, November sees fewer rainy days, with 92 mm (3.6 in) of precipitation over 10 days compared to September's 126 mm (5.0 in) across 13 days. The humidity in September is slightly higher at 78%, whereas November's humidity is recorded at 74%. For more specific details about November weather, visit Whakatane weather in November.

September and December exhibit notable differences in weather patterns. In September, temperatures range from a chilly minimum of 3°C (37°F) to a comfortable maximum of 20°C (68°F), with an average of 12°C (54°F). The month sees significant precipitation, measuring 126 mm (5.0 in), over 13 days, coupled with a high humidity level of 78%. In contrast, December brings warmer conditions, with temperatures varying from a minimum of 8°C (47°F) to a pleasant maximum of 27°C (80°F) and an average of 19°C (66°F). Precipitation is slightly higher at 128 mm (5.1 in) over the same number of days, but humidity drops to 66%. For a detailed look at December weather, visit Whakatane weather in December.

Compare Whakatane's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Whakatane

As September unfolds in Whakatane, the transition from winter to spring brings a noticeable shift in weather patterns. With warmer maximum temperatures creeping up to 20°C (68°F), the month offers a refreshing contrast to the cooler winter months. However, it's also a time of increased precipitation, as the area experiences an uptick in rainy days, averaging 13 throughout the month. The humidity remains relatively high at 78%, contributing to that fresh, rejuvenating spring atmosphere. This blend of warmth and moisture not only signifies a change in season but also enhances the lush beauty of the surrounding landscapes. For a deeper understanding of how Whakatane's climate evolves throughout the year, explore Whakatane Climate.