September Weather in Tirau, New Zealand

Last updated: August 31, 2025

In September, Tirau, New Zealand, experiences a refreshing transition into spring, characterized by a maximum temperature of 19°C (67°F) and an average of 11°C (52°F). The weather can be quite variable, with temperatures dipping to a brisk minimum of -1°C (31°F) during the night. With 120 mm (4.7 in) of precipitation spread over 15 days, residents and visitors can expect frequent showers, contributing to the area's lush, green landscapes. The air maintains a humidity level of 78%, making for a crisp and invigorating atmosphere perfect for outdoor exploration and enjoying the vibrant spring flora.

September Temperature in Tirau

As September rolls around in Tirau, New Zealand, the temperatures begin to transition from the chill of winter towards the warmth of spring. With minimums hovering just above freezing at -1°C (31°F), residents can expect a refreshing start to the month. The average temperature climbs to 11°C (52°F), providing a welcome relief from the cooler months, while daytime highs reach a pleasant 19°C (67°F). This gradual increase in warmth marks the subtle shift from winter's grasp to the budding vibrance of spring, making September an ideal time for outdoor activities and enjoying the natural beauty of the region as it awakens from its winter slumber.

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

The chart illustrates September temperature patterns in Tirau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tirau, 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).
JanFebMarAprMayJunJulAugSepOctNovDec666663585350484952556064
Data source: Temperature data for Tirau 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 Tirau

In September, Tirau experiences a significant level of rainfall, with 120 mm (4.7 in) of precipitation recorded over approximately 15 days. This follows the pattern established in the preceding months, where precipitation tends to peak during the winter and early spring. The rainfall in September is notably robust, albeit slightly lower than August's 139 mm (5.5 in), suggesting a gradual transition into drier conditions as the year progresses. While the number of rainy days remains consistent with late winter patterns, the trend indicates a steady accumulation of moisture, providing essential hydration for the region’s lush landscapes before the drier months of October and November commence. Overall, September’s weather reflects both the tail end of the wetter months and the onset of a shift towards spring.

September Precipitation Trends in Tirau

The chart displays monthly precipitation patterns in Tirau, 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 Tirau, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec648810213110298124139120108102111
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Tirau

In September, humidity in Tirau, New Zealand begins a subtle decline after the peak winter months, settling at a comfortable 78%. This marks a shift from the late winter highs, with humidity levels climbing steadily from 69% in January to a peak of 86% in July. As spring approaches, residents can expect a gradual easing, as September's figure slightly dips from August’s 83%—a hint of the drier months ahead. Interestingly, September still retains higher humidity compared to early winter, suggesting a lingering moisture in the air before the more pronounced fluctuations of the upcoming months.

September Average Humidity in Tirau

This chart illustrates the average monthly humidity levels in Tirau, 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 Tirau 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 Tirau

As September rolls into Tirau, New Zealand, residents and visitors can expect a UV Index of 7, categorizing the sun's rays as high. This signals an increase in sun exposure safety measures compared to the previous months, where values hovered within the moderate range. With a burn time of just 25 minutes, it’s crucial to stay vigilant about sun protection, especially as the days grow longer and sunnier. The upward trend in UV levels from the winter months of June and July, which saw values of only 3, highlights the importance of adjusting sun protection strategies as we transition into spring. For more detailed information, check out the Tirau UV Index.

Maximum UV Index Levels in Tirau for September

The chart shows the monthly maximum UV Index (UVI) for Tirau 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 Tirau typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141410743357101113
Data source: Tirau 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 Tirau

In September, Tirau, New Zealand enjoys a refreshing 244 hours of sunshine, signaling a delightful transition into spring. This month marks an increase from the cooler winter months, with notable improvement over the 206 hours experienced in May and just 221 hours in August. As the days grow longer and brighter, the sunshine begins to approach the vibrant levels seen in the preceding months of October and November, which boast 265 hours and 293 hours respectively. This trend of increasing sunlight not only enhances the vivid landscape of Tirau but also invigorates the community, inviting outdoor activities and celebrating the blossoming beauty of springtime.

Monthly Sunshine Duration in Tirau: September Highlighted

The September sunshine duration represents the total number of hours Tirau 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.
JanFebMarAprMayJunJulAugSepOctNovDec276h273h268h231h206h179h198h221h244h265h293h331h
Data source: Tirau September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tirau During September

September in Tirau, New Zealand, greets visitors with a 37% chance of sunny weather, making it a transitional month as the region shifts from winter to spring. This percentage represents a slight dip in sunshine compared to the preceding months of July and August, which hover around 40%. Notably, September's likelihood of sunshine is lower than what one might find during the summer months, with January leading the way at 47%. As spring approaches, these trends suggest that while you may enjoy some delightful sunny days, it's wise to remain prepared for the variability of early spring weather.

Percentage of Sunny Days in September in Tirau

The chart illustrates the percentage of sunny days in Tirau 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 Tirau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%38%42%40%40%30%40%38%37%23%34%31%
Data source: Tirau September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tirau in September

In September, Tirau, New Zealand, experiences a refreshing shift as daylight duration increases to 11 hours. Following the shorter days of winter, this slight uptick marks the transition into spring, stirring the anticipation of longer, sunnier days ahead. The daylight hours will soon ramp up, peaking in the summer months of December and January when they stretch to an impressive 14 hours. This gradual increase not only hints at warmer weather but also enriches the natural beauty of the region, making September a delightful month of renewal and growth.

Average Daylight Hours in Tirau for September

The chart illustrates the variation in daylight duration in Tirau throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 26m13h 29m12h 17m11h 4m10h 3m9h 33m9h 48m10h 41m11h 50m13h 3m14h 9m14h 43m
Data source: Tirau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Tirau

As September unfolds in Tirau, New Zealand, the wind begins to pick up, marking a transition from the calmer breezes of the winter months. With an average wind speed of 3.7 m/s (8 mph), September experiences one of the stronger gusts of the year, setting the stage for the invigorating spring season ahead. Contrasting with the gentle 2.7 m/s of earlier months, this notable increase highlights a trend towards more dynamic weather as the year progresses. The uptick in wind speed not only breathes life into the crisp autumn air but also signals a shift in both temperature and the vibrant scenery that New Zealand is known for, inviting residents and visitors alike to embrace the refreshing change.

Average September Wind Speed in Tirau

The chart displays monthly wind speed patterns in Tirau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.92.72.72.83.22.93.23.33.7 m/s3.63.13.3
Data source: Tirau September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Tirau Compares to Other Months

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

Comparing the weather between September and January reveals notable differences in temperature and precipitation. In September, temperatures range from a chilly minimum of -1°C (31°F) to a mild maximum of 19°C (67°F), with an average of 11°C (52°F). The month is also quite wet, experiencing about 120 mm (4.7 in) of precipitation over 15 days, contributing to a high humidity level of 78%. In contrast, January is significantly warmer, with minimum temperatures around 7°C (44°F) and maximums reaching up to 29°C (84°F), averaging 19°C (66°F). This summer month sees much less rain, about 64 mm (2.5 in) over just 8 days, and a lower humidity of 69%. For a closer look at January weather specifics, visit Tirau weather in January.

In September, the weather in Tirau presents a much cooler profile, with temperatures ranging from a chilly minimum of -1°C (31°F) to a pleasant maximum of 19°C (67°F), resulting in an average of 11°C (52°F). The month is relatively wet, accumulating around 120 mm (4.7 in) of precipitation over 15 days, and the humidity levels are quite high at 78%. In contrast, February experiences warmer temperatures, with lows of 7°C (46°F) and highs reaching 29°C (84°F), resulting in a comfortable average of 19°C (67°F). Precipitation decreases significantly to 88 mm (3.5 in) over just 8 days, and humidity drops to a more moderate 69%. For more details on February weather patterns, you can check out Tirau weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 19°C (67°F), with an average of 11°C (52°F). The month also experiences significant rainfall, with 120 mm (4.7 in) over 15 days and humidity levels around 78%. In contrast, March offers milder conditions, featuring a minimum temperature of 7°C (44°F) and peaking at 27°C (81°F), with an average of 17°C (63°F). Rainfall is slightly less, at 102 mm (4.0 in) spread over 10 days, and humidity is lower at 71%. For more specific details on March weather, you can check Tirau weather in March.

In comparing the weather of September and April, we notice distinct differences in temperature and precipitation. September experiences cooler temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 19°C (67°F), with an average of 11°C (52°F). In contrast, April is warmer, with temperatures spanning from a minimum of 4°C (39°F) to a maximum of 24°C (75°F), yielding a comfortable average of 14°C (58°F).

Precipitation levels are relatively similar, with September recording 120 mm (4.7 in) over 15 days and April having slightly higher precipitation at 131 mm (5.1 in) over just 10 days. Additionally, while September's humidity stands at 78%, a bit higher than April's 74%, both months feature sufficient moisture to contribute to the region's lush landscapes. For more detailed information, you can check out Tirau weather in April.

In September, the weather is slightly cooler with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 19°C (67°F) and an average of 11°C (52°F). The month sees about 120 mm (4.7 in) of precipitation, spread over 15 days, and humidity levels sit at 78%. In contrast, May offers a marginally milder climate with the temperature ranging from -2°C (29°F) to 20°C (69°F), averaging at 12°C (53°F). Precipitation is also lower in May, totaling 102 mm (4.0 in) over just 10 days, while humidity is slightly higher at 83%. Overall, May tends to be more pleasant and drier compared to the damp, cooler conditions of September. For more details, check out Tirau weather in May.

When comparing the weather between September and June, we see some interesting similarities and differences. Both months experience a minimum temperature around -1°C, but September offers slightly warmer average and maximum temperatures, with averages of 11°C compared to June's 10°C, and maximums of 19°C versus June's 18°C. Additionally, September is wetter, receiving 120 mm of precipitation over 15 days, while June has 98 mm over only 11 days, despite a higher humidity level of 85% in June compared to 78% in September. For more detailed information about weather conditions in June, you can check Tirau weather in June.

In comparing the weather of September and July, September generally exhibits milder temperatures, with an average of 11°C (52°F) and a maximum of 19°C (67°F), while July has cooler conditions, averaging 9°C (48°F) and reaching a maximum of 17°C (62°F). Both months experience significant precipitation, with September recording 120 mm (4.7 in) over 15 days and July slightly higher at 124 mm (4.9 in) over 12 days. Humidity levels are also quite high; however, July is slightly more humid at 86%, compared to September's 78%. For a closer look at July weather specifics, you can visit Tirau weather in July.

In comparing the weather between August and September, we see a notable increase in temperature during September, with average temperatures rising to 11°C (52°F), compared to August's average of 10°C (50°F). Additionally, September experiences higher maximum temperatures, reaching up to 19°C (67°F), while August peaks at 16°C (62°F). However, both months have similar precipitation levels, with September receiving 120 mm (4.7 in) over 15 days, slightly less than August’s 139 mm (5.5 in) over 16 days. Humidity levels also decrease slightly from August's 83% to September's 78%. For more detailed information about August weather, you can check Tirau weather in August.

September and October present a subtle transition in weather patterns, marking the shift from late winter to early spring. September typically has cooler temperatures with a minimum of -1°C (31°F), averaging around 11°C (52°F), and reaching a maximum of 19°C (67°F). It sees considerable precipitation, with 120 mm (4.7 in) over 15 days and humidity at 78%. In contrast, October experiences a slight rise in temperatures, with a minimum of 1°C (34°F) and an average of 13°C (55°F), peaking at 22°C (71°F). Though it has slightly less rainfall, with 108 mm (4.2 in) across the same number of rainy days, the humidity remains closely comparable at 77%. For a more detailed look at October's weather patterns, check out Tirau weather in October.

September weather in Tirau features cooler temperatures, with a minimum of -1°C (31°F) and an average of 11°C (52°F), reaching a maximum of 19°C (67°F). This month also experiences higher precipitation, totaling 120 mm (4.7 in) over 15 days, while humidity levels sit at 78%.

In contrast, November brings milder conditions, with temperatures ranging from a minimum of 4°C (40°F) to an average of 15°C (60°F) and a maximum of 28°C (83°F). The precipitation decreases slightly to 102 mm (4.0 in) across 13 days, and humidity dips to 74%. Overall, November showcases a warmer and more pleasant climate compared to the cooler, wetter September. For more details, check out Tirau weather in November.

In September, the weather typically sees temperatures ranging from a chilly -1°C (31°F) at night to a mild 19°C (67°F) during the day, with an average of 11°C (52°F). This month experiences considerable precipitation, with 120 mm (4.7 in) falling over about 15 days, contributing to a high humidity level of 78%. In contrast, December warms up considerably, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 27°C (81°F), and an average temperature of 18°C (64°F). Although December has slightly less rainfall at 111 mm (4.4 in) across 13 days, the humidity decreases to 66%, resulting in more comfortable conditions. For more specific details, check out Tirau weather in December.

Compare Tirau's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Tirau

As September unfolds in Tirau, the weather marks a distinct transition from the winter chill towards the milder embrace of spring. With a maximum temperature averaging 19°C, days become noticeably warmer, though the average and minimum temperatures still reflect the lingering coolness, often dipping close to freezing at night. This month is characterized by significant precipitation, with about half the days experiencing some rainfall, contributing to the lush landscapes as the region awakens. The humidity level sits at a comfortable 78%, adding to the freshness of the air. In contrast to the drier winter months, September brings a blend of warmth and moisture, setting the stage for the vibrant growth that ensues in spring. To explore more about the overall weather trends in Tirau, visit Tirau Climate.