September Weather in Tahunanui, New Zealand

Last updated: August 31, 2025

In September, Tahunanui, New Zealand experiences a mild yet variable climate, with maximum temperatures reaching 16°C (62°F) and dipping to a minimum of 3°C (37°F). The average temperature hovers around 10°C (50°F), creating a cool atmosphere perfect for outdoor exploration. This month brings notable precipitation totaling 116 mm (4.6 in) over approximately 11 days, contributing to the lush greenery that characterizes the region. With humidity levels around 83%, visitors should be prepared for a refreshing, albeit occasionally wet, experience that showcases the beauty of early spring in this coastal paradise.

September Temperature in Tahunanui

As September rolls into Tahunanui, New Zealand, the lingering chill of winter begins to fade, giving way to the early whispers of spring. Temperatures start to rise, with nightly lows at a brisk 3°C (37°F) but a noticeable uptick during the day, where averages reach a comfortable 10°C (50°F) and can peak at 16°C (62°F). This month marks a transition from the cooler, damp days of winter to more temperate conditions, as the landscape begins to bloom and the promise of warmer weather becomes palpable. September serves as a gentle invitation to enjoy the outdoors, with milder temperatures encouraging both adventure and relaxation under the sun.

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

The chart illustrates September temperature patterns in Tahunanui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tahunanui, 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).
JanFebMarAprMayJunJulAugSepOctNovDec646361565349474850535761
Data source: Temperature data for Tahunanui 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 Tahunanui

In September, Tahunanui experiences a moderate precipitation level of 116 mm (4.6 in), continuing the trend of consistent rainfall as the region transitions from winter to spring. With 11 rainy days, the month strikes a balance between wet weather and clear skies, making way for rejuvenation in local flora. This amount is slightly lower than the peaks seen in the preceding months of July and August, yet still substantial enough to maintain the area’s lush greenery. As the seasons shift, September sets the stage for both the lingering influences of winter and the budding vibrancy of spring, showcasing the dynamic climate that defines this beautiful part of New Zealand.

September Precipitation Trends in Tahunanui

The chart displays monthly precipitation patterns in Tahunanui, 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 Tahunanui, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec728612414314876165130116120118145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tahunanui

In September, Tahunanui, New Zealand experiences a humidity level of 83%, which marks a slight decrease from the peak months of May and June, where humidity reached 84% and 86% respectively. The trend shows a gradual rise in humidity starting from the summer months of January to March, maintaining a steady 79% before climbing as the seasons transition into winter. As spring approaches, September’s humidity dips slightly compared to the previous month, August, yet remains notably high, reflecting the region's coastal characteristics. This consistent humidity underscores Tahunanui's temperate maritime climate, offering a lush atmosphere throughout the year.

September Average Humidity in Tahunanui

This chart illustrates the average monthly humidity levels in Tahunanui, 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 Tahunanui is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tahunanui

As September rolls into Tahunanui, New Zealand, the UV Index rises to 6, placing it in the high exposure category with a burn time of just 25 minutes. This marks a transition from the lower indices of winter, where levels hovered around 2, to a more intense sun as spring approaches. Compared to August's moderate index of 4, September signals the need for increased sun protection, hinting at the summer months ahead when UV levels soar even higher. Keep this in mind as you enjoy the beautiful coastal scenery and ensure you're protected from swift UV rays. For more detailed insights, visit Tahunanui UV Index.

Maximum UV Index Levels in Tahunanui for September

The chart shows the monthly maximum UV Index (UVI) for Tahunanui 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 Tahunanui typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691113
Data source: Tahunanui 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 Tahunanui

September brings a delightful resurgence of sunshine to Tahunanui, New Zealand, with an impressive 255 hours of sunshine bathing the region in warmth and light. As winter's grip loosens, the days grow noticeably brighter, signaling a transition from the cooler months of June and July, which recorded only 178 and 187 hours respectively. This uplifting change continues into October, where the sunshine reaches 281 hours, setting the stage for the beautiful spring months ahead. The upward trend in sunlight not only enhances the vibrancy of the landscape but also invites locals and visitors alike to enjoy the outdoors, making September a perfect time to explore all that Tahunanui has to offer.

Monthly Sunshine Duration in Tahunanui: September Highlighted

The September sunshine duration represents the total number of hours Tahunanui 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.
JanFebMarAprMayJunJulAugSepOctNovDec290h295h278h231h214h178h187h221h255h281h303h336h
Data source: Tahunanui September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tahunanui During September

September in Tahunanui, New Zealand, offers a promising 48% chance of sunny weather, signaling the arrival of spring and warmer days ahead. This month marks a notable upswing in sunshine potential compared to the chillier winter months of June and July, which see only 36% and 39%, respectively. While September's percentage may not match the brighter heights of January's 54%, it does indicate a welcome shift from the less sunny late autumn and early winter months. As the seasons transition, locals and visitors alike can look forward to an increasing likelihood of sun, perfect for outdoor activities and enjoying the vibrant scenery of Tahunanui.

Percentage of Sunny Days in September in Tahunanui

The chart illustrates the percentage of sunny days in Tahunanui 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 Tahunanui experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%42%38%50%46%36%39%43%48%34%38%37%
Data source: Tahunanui September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tahunanui in September

In September, Tahunanui begins to shake off the chill of winter, with daylight stretching out to 11 hours, offering a gentle transition into spring. This increase in daylight marks the start of longer, sunnier days, following the gradual decline from 14 hours in January to just 9 hours during the depths of winter from May to August. As the month progresses, residents can revel in the noticeably brighter skies, paving the way for a resurgence of life and activity. This pattern hints at the approaching warmth of October, when daylight extends further to 13 hours, encouraging outdoor exploration and the vibrant renewal of nature that characterizes this beautiful New Zealand locale.

Average Daylight Hours in Tahunanui for September

The chart illustrates the variation in daylight duration in Tahunanui throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 45m13h 40m12h 19m10h 56m9h 47m9h 13m9h 30m10h 30m11h 48m13h 11m14h 25m15h 5m
Data source: Tahunanui daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tahunanui

In September, the winds in Tahunanui, New Zealand, pick up just as the season transitions from winter to spring, averaging 3.3 m/s (or 7 mph). This invigorating breeze mirrors the trend seen throughout the year, where wind speeds are notably higher in the spring and summer months, peaking at this moderate pace. Following this September spike, the winds slightly taper off to 3.0 m/s in October, but the overall pattern reveals that as the months progress from the cooler winter into the warmer months, the gentle but persistent winds embrace the region, enhancing its charm and allure for outdoor enthusiasts.

Average September Wind Speed in Tahunanui

The chart displays monthly wind speed patterns in Tahunanui, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.92.72.72.72.72.93.13.3 m/s3.03.13.2
Data source: Tahunanui September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tahunanui Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a cool minimum of 3°C (37°F) to a moderate maximum of 16°C (62°F), with an average of 10°C (50°F). The month sees significant rainfall, totaling 116 mm (4.6 inches), over about 11 days, coupled with a high humidity level of 83%. In stark contrast, January boasts warmer temperatures, with a low of 10°C (50°F) and highs reaching up to 27°C (80°F), averaging 18°C (64°F). Rainfall is considerably less in January, with only 72 mm (2.8 inches) over 8 days, and humidity is relatively lower at 79%. For more detailed information, check out Tahunanui weather in January.

When comparing the weather in September and February, there is a distinct contrast in temperature and precipitation. September experiences cooler temperatures, with a minimum of 3°C (37°F) and an average of 10°C (50°F), while February boasts a milder range, with temperatures starting at a minimum of 9°C (49°F) and averaging 17°C (63°F). Additionally, February offers more pleasant warmth, reaching a maximum of 25°C (77°F) compared to September's 16°C (62°F). In terms of precipitation, September sees more rain, totaling 116 mm (4.6 in) over 11 days, whereas February has lighter rainfall of 86 mm (3.4 in) spread across 8 days. Humidity remains relatively similar, with September at 83% and February slightly lower at 79%. For more detailed insights on February's weather, you can check Tahunanui weather in February.

In comparing the weather between September and March, September features cooler temperatures with averages around 10°C (50°F), ranging from a minimum of 3°C (37°F) to a maximum of 16°C (62°F). It experiences higher humidity at 83% and substantial precipitation of 116 mm (4.6 in) over 11 days. In contrast, March enjoys milder conditions with average temperatures of 16°C (61°F), reaching up to 23°C (73°F), and minimums around 9°C (48°F). Although it has slightly more rainfall at 124 mm (4.9 in) over the same number of days, the humidity is lower at 79%. For more detailed weather information, check out Tahunanui weather in March.

When comparing the weather in September and April, we notice several differences in temperature and precipitation patterns. September tends to be cooler, with average temperatures ranging from a maximum of 16°C (62°F) to a minimum of 3°C (37°F), while April enjoys milder conditions, with averages between 20°C (69°F) at its peak and 5°C (41°F) at its lowest. Additionally, April experiences slightly more rainfall, with 143 mm (5.6 in) over 13 days, compared to September's 116 mm (4.6 in) over 11 days. The humidity remains relatively similar, with April at 80% and September at 83%, but overall, April provides a more temperate and wetter climate. For more details about specific conditions in April, you can check Tahunanui weather in April.

In comparing the weather between September and May, September generally experiences cooler temperatures, with an average of 10°C (50°F) compared to May’s 11°C (53°F). While both months have similar minimum temperatures, May has a slightly higher maximum average of 18°C (65°F) versus September's 16°C (62°F). Precipitation is a notable factor, with September receiving 116 mm (4.6 in) over 11 days, while May sees increased precipitation at 148 mm (5.8 in) across 12 days, resulting in a marginally wetter environment. Humidity levels remain relatively high in both months, hovering around 83% in September and 84% in May. For more detailed insights into May's weather, you can visit Tahunanui weather in May.

When comparing the weather in September and June, we see some notable similarities and differences. Both months have similar maximum temperatures, peaking at 16°C (62°F), but September generally enjoys slightly higher average temperatures, with a mean of 10°C (50°F) compared to June's 9°C (49°F). Humidity levels are also comparable, with September at 83% and June slightly higher at 86%. However, September tends to be wetter, receiving 116 mm (4.6 in) of precipitation over 11 days, while June has less rainfall at 76 mm (3.0 in) across 10 days. For a closer look at June weather, you can visit Tahunanui weather in June.

In comparing the weather of September and July, September generally presents a milder climate with average temperatures reaching 10°C (50°F) compared to July's cooler average of 8°C (47°F). While both months experience a similar range of minimum temperatures, September's maximum temperature of 16°C (62°F) exceeds July's peak of 14°C (57°F). However, July sees slightly higher precipitation levels at 165 mm (6.5 in) over 12 days, compared to September's 116 mm (4.6 in) over 11 days. Additionally, both months have high humidity levels, with July at 86% and September at 83%, creating a generally damp atmosphere. For more detailed insights on July conditions, you can check Tahunanui weather in July.

In comparing the weather between August and September, September tends to be slightly warmer, with average temperatures rising from 9°C (48°F) in August to 10°C (50°F). The maximum temperatures also increase modestly from 15°C (59°F) in August to 16°C (62°F) in September. However, September experiences a slight uptick in precipitation, with 116 mm (4.6 in) over 11 days compared to August's 130 mm (5.1 in) over 14 days. Interestingly, both months maintain a consistent humidity level of 83%. For more insights, you can check out Tahunanui weather in August.

September and October exhibit gradual warming in temperature, with October featuring a minimum of 4°C (39°F) and an average of 12°C (54°F), compared to September's minimum of 3°C (37°F) and average of 10°C (50°F). While both months experience similar levels of precipitation, with 116 mm (4.6 in) in September and 120 mm (4.7 in) in October, October includes slightly more rainy days, totaling 12 compared to September's 11. Moreover, humidity remains fairly consistent, dropping from 83% in September to 82% in October. For more details on October weather, check out Tahunanui weather in October.

In September, the weather is characterized by cooler temperatures, with a minimum of 3°C (37°F) and an average of 10°C (50°F), peaking at 16°C (62°F). The month experiences significant rainfall, totaling 116 mm (4.6 in) over approximately 11 days and maintains a high humidity level of 83%. In contrast, November sees warmer conditions, featuring a minimum temperature of 6°C (43°F) and an average of 14°C (57°F), with highs reaching up to 23°C (74°F). Although November has slightly more precipitation at 118 mm (4.7 in) across around 13 days, the humidity drops slightly to 82%. For more detailed information about the weather during this month, you can visit Tahunanui weather in November.

In September, the weather tends to be cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 16°C (62°F) and an average of 10°C (50°F). The month experiences a fair amount of rain, with 116 mm (4.6 in) of precipitation over 11 days and humidity levels at 83%. In contrast, December is significantly warmer, featuring a minimum temperature of 8°C (47°F), an average of 16°C (61°F), and a maximum of 24°C (76°F). Although December sees slightly higher precipitation at 145 mm (5.7 in) across 13 days, the humidity is marginally lower at 81%. For more insights on December weather, check out Tahunanui weather in December.

Compare Tahunanui's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tahunanui

As September unfolds in Tahunanui, the weather begins to shift, heralding the arrival of spring with a notable temperature range and increased humidity. While the days may still feature crisp lows, the average brings a welcome warmth compared to the chill of winter months. With around 116 mm of rainfall spread over approximately 11 days, the scenery comes alive with vibrant growth, setting a distinct contrast to the drier summer period ahead. This transition invites both locals and visitors to experience the unique charm of Tahunanui as it shakes off winter's chill, making it an exciting time of year. For a deeper dive into the changing patterns, check out the detailed Tahunanui Climate.