Last updated: August 31, 2025
September in Whangarei, New Zealand, showcases a mild transition into spring with a maximum temperature reaching 21°C (71°F) and a comfortable average of 13°C (55°F). However, the minimums dive to a chilly 4°C (40°F), emphasizing the variability of the season. Residents and visitors can expect frequent rain, totaling 99 mm (3.9 in) over 13 days, contributing to a humidity level of 78%. This blend of warmth, moisture, and cool breezes brings lush greenery while inviting outdoor exploration amidst Whangarei's vibrant landscapes.
In September, Whangarei, New Zealand, welcomes the beginnings of spring with a gentle shift in temperatures. The minimum temperature hovers at a cool 4°C (40°F), while the average rises to a comfortable 13°C (55°F), peaking at 21°C (71°F) during the day. This month marks a transition from the chill of winter, as daylight hours gradually lengthen and the atmosphere lightens in preparation for warmer months ahead. Compared to the winter's lows, which can dip to freezing, September's embrace of mild warmth hints at the vibrant spring blooms yet to come, making it an ideal time for outdoor adventures and enjoying the lush landscapes that Whangarei has to offer.
September in Whangarei marks a continuation of the region's wetter patterns, with precipitation totaling 99 mm (3.9 in) over 13 days. This amount aligns closely with the rainfall seen in August, indicating a robust shift as winter gives way to spring. The combination of frequent showers and consistent rain suggests a strong transitional period, setting the stage for the drier months ahead. As September falls within a broader trend where rainfall peaks in the middle of the year, it highlights Whangarei's unique climatic rhythm, where lush greenery thrives before the drier, sunnier days of October approach.
In September, Whangarei experiences a humidity level of 78%, maintaining a pattern that has been evident throughout the year. Following a slightly more humid winter with July and June both peaking at 80%, the spring month of September sees a mild dip but remains consistent with the levels noted in August. This continuity suggests a relatively stable humidity climate, setting the stage for warmer and increasingly humid months ahead as the region transitions into spring. Comparatively, the humidity remains comfortably high but is balanced with the pleasant temperatures, making September an inviting time in Whangarei.
In Whangarei, New Zealand, the UV Index in September hits a 7, categorizing it as high and indicating a burn time of just 25 minutes. This marks a notable shift from the winter months, where the UV Index hovered between 3 and 5, reflecting a gradual increase in solar intensity as we transition into spring. The mild rise signifies a return to stronger sun exposure, encouraging residents and visitors to be vigilant about sun protection. As the season progresses into October, the UV Index will escalate further, underscoring the importance of staying informed on UV levels throughout the year. For more details on the UV Index in Whangarei, check out Whangarei UV Index.
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As September arrives in Whangarei, New Zealand, residents and visitors alike can bask in the delightful 264 hours of sunshine that contrast with the cooler winter months. This wind-down from the cold brings a noticeable increase in daylight, suggesting that spring is well underway. Following the relatively lower hours of winter—with June at just 192 hours and July slightly better at 221 hours—September's brightness is a welcome invitation to explore the region’s vibrant landscapes. The month serves as a bridge leading into October’s 286 hours, heralding the warm and sunny days of late spring and summer. This gradual increase in sunshine not only lifts spirits but also signals a time for outdoor activities, making Whangarei a revitalizing destination as the season changes.
September in Whangarei, New Zealand, presents a moderate likelihood of sunny weather, with a 38% chance of sunshine illuminating the landscape. Reflecting a gradual transition into spring, this figure showcases a slight dip from the winter months when sunny days averaged around 40% in July and August. Interestingly, as the season progresses into October and beyond, the chances of sun decrease, hitting a low of 25% later in the year. Thus, while September offers a pleasant respite from winter's gloom, it also hints at the variable weather patterns that can accompany the shift to spring.
As September unfolds in Whangarei, daylight extends to an inviting 11 hours, marking a delightful transition from the darker winter months. Following the brief, crisp days of June and July with their mere 9 hours of sunshine, the gradual increase in daylight begins to hint at the arrival of spring. This month serves as a gentle bridge, where daylight rekindles enthusiasm after the winter chill, setting the stage for the longer, sun-drenched days that follow in October and November. September’s return to 11 hours not only brightens the landscape but also invigorates the community, inviting residents and visitors alike to embrace outdoor activities and the blossoming beauty of nature.
As September arrives in Whangarei, the average wind speed reaches 4.8 m/s (11 mph), marking a notable peak alongside the preceding July and August. This gentle yet invigorating breeze heralds the transition into spring, just as the region’s warmer months beckon. Following a gradual increase from the cool, tranquil winter months, these wind speeds suggest a refreshing shift in the atmosphere, inviting outdoor enthusiasts to enjoy the blossoming landscapes. The months prior showed a steady uptick, with May alongside September displaying higher averages, highlighting the seasonal patterns that define Whangarei's climatic rhythm. Overall, September’s winds symbolize the onset of vibrant spring life, inviting all to embrace the fresh air and burgeoning scenery.
Weather in Whangarei varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Whangarei, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present striking contrasts in weather conditions. In September, temperatures range from a chilly 4°C (40°F) at their lowest to a comfortable 21°C (71°F) at their peak, with an average of 13°C (55°F). This month sees considerable precipitation, totaling 99 mm (3.9 in) over about 13 days, and humidity levels sit at 78%. In contrast, January boasts much warmer temperatures, with a minimum of 11°C (53°F), an average of 20°C (69°F), and a maximum of 28°C (82°F). Precipitation is significantly lower at just 49 mm (1.9 in) over 5 days, with humidity slightly elevated at 79%. For more detailed information, visit Whangarei weather in January.
In comparing the weather between September and February, it's clear that February boasts warmer temperatures, with an average of 21°C (69°F) compared to September's cooler average of 13°C (55°F). February also experiences higher maximum temperatures, reaching up to 30°C (87°F), while September peaks at 21°C (71°F). Additionally, February has slightly less precipitation, totaling 84 mm (3.3 in) over 9 days, whereas September sees 99 mm (3.9 in) across 13 days, contributing to a more humid atmosphere in early spring. Both months share the same humidity level of 78%, reflecting consistently moist conditions. For more detailed information, you can check out Whangarei weather in February.
In September, the weather is notably cooler, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 21°C (71°F). The month experiences significant precipitation, measuring 99 mm (3.9 in) over 13 days, combined with a humidity level of 78%. In contrast, March offers a warmer climate, with temperatures varying from a minimum of 11°C (52°F) to a pleasant maximum of 28°C (82°F). Despite having similar rainfall days of 13, the total precipitation in March is lower at 72 mm (2.8 in) and the humidity is slightly less at 76%. For more detailed information, you can check Whangarei weather in March.
When comparing the weather in September and April, it's clear that April generally enjoys milder temperatures. September sees minimums around 4°C and average highs of 21°C, while April presents a warmer minimum of 9°C and can peak at 25°C. Both months experience a decent amount of precipitation, with September receiving 99 mm over 13 days and April slightly less at 88 mm across 11 days. Humidity levels are similar, with September at 78% and April slightly lower at 75%. For more detailed insights on April weather, you can check Whangarei weather in April.
When comparing the weather in September and May, we notice some distinct differences despite their similar minimum temperatures of 4°C (40°F). September typically has a cooler average temperature of 13°C (55°F) compared to May's 15°C (59°F). Additionally, September experiences more precipitation, with 99 mm (3.9 in) over 13 days, whereas May sees only 64 mm (2.5 in) over 8 days. The humidity levels are quite similar, with September averaging 78% and May at 77%, creating a generally moist atmosphere during both months. For more detailed information on the weather in May, you can visit Whangarei weather in May.
In comparing the weather between September and June, both months exhibit relatively mild temperatures, with average highs around 13°C (55°F). September typically sees a slightly warmer maximum temperature of 21°C (71°F), while June reaches a maximum of 20°C (68°F). Precipitation is more pronounced in June, with 119 mm (4.7 in) falling over 11 days compared to September's 99 mm (3.9 in) over 13 days, leading to a slightly more humid atmosphere in June at 80% versus September's 78%. For a detailed overview of June weather, you can explore Whangarei weather in June.
In comparing the weather of September and July, September tends to be slightly warmer with an average temperature of 13°C (55°F) compared to July's 12°C (53°F). Both months receive the same amount of precipitation, recording 99 mm (3.9 in) over approximately 13 days, but September features a higher maximum temperature of 21°C (71°F), making it generally more pleasant. Humidity levels are comparable, with September at 78% and July at 80%, suggesting a similar moisture content in the air. For a closer look at July's weather specifics, check out Whangarei weather in July.
In September, the weather shows a slight warming trend compared to August, with average temperatures rising from 12°C (54°F) in August to 13°C (55°F) in September. Additionally, September experiences a maximum temperature of 21°C (71°F), slightly higher than August's 20°C (68°F). While both months have the same minimum temperature of 4°C (40°F), September also sees a slight increase in precipitation to 99 mm (3.9 in) over 13 days, compared to 91 mm (3.6 in) over 15 days in August. Humidity remains consistent at 78% for both months. For more detailed insights on the weather patterns, you can check Whangarei weather in August.
September typically has cooler temperatures, with a minimum of 4°C and an average of 13°C, while October sees a slight increase, with a minimum of 5°C and an average of 15°C. The maximum temperatures also rise from 21°C in September to 23°C in October, indicating a gradual warming as autumn progresses. Both months experience relatively high humidity, with September at 78% and October slightly higher at 79%. Precipitation levels are fairly similar, with September receiving 99 mm over 13 days and October seeing slightly less at 93 mm over 12 days. For more detailed information, you can check Whangarei weather in October.
September and November exhibit notable differences in weather patterns. September typically sees cooler temperatures, with a minimum of 4°C (40°F) and an average of 13°C (55°F), while November offers a warmer climate, registering a minimum of 8°C (47°F) and an average of 17°C (62°F). The maximum temperatures also reflect this shift, with September reaching only 21°C (71°F) compared to November's high of 27°C (80°F). Precipitation in September is slightly higher at 99 mm (3.9 in) over 13 days, whereas November experiences less rain at 72 mm (2.8 in) across the same number of days. Humidity levels are similar, hovering around 78% in September and 79% in November. For more details on November's weather, you can visit Whangarei weather in November.
September weather is characterized by cooler temperatures, with a minimum of 4°C (40°F) and an average of 13°C (55°F), peaking at 21°C (71°F). This month sees significant rainfall, totaling 99 mm (3.9 in) across about 13 days, while humidity remains high at 78%. In contrast, December experiences milder conditions, featuring a minimum temperature of 11°C (52°F) and an average of 19°C (66°F), with maximums reaching 28°C (82°F). Precipitation decreases to 59 mm (2.3 in) over roughly 10 days, yet humidity remains consistent at 78%. For more detailed information, you can check Whangarei weather in December.
As September unfolds in Whangarei, it brings a refreshing transition from the winter chill to the warmth of spring. The temperatures show a notable rise, offering a pleasant escape from the cooler months, while the increased humidity and rainfall signal the onset of a wetter season. This month is characterized by its alternating patterns of sunshine and showers, making it distinct and vibrant compared to the preceding winter months. For those planning to enjoy the beauty of Whangarei, the weather in September creates a wonderful backdrop for exploration. To learn more about the annual climate patterns in the area, visit Whangarei Climate.