Last updated: August 31, 2025
In Westport, New Zealand, September brings a refreshing but often rainy atmosphere. With average temperatures hovering around 11°C (52°F), residents experience highs of 15°C (60°F) and lows dipping to 4°C (40°F). This month sees notable rainfall, accumulating to 264 mm (10.4 in) over 18 days, making it one of the wetter times of the year. Coupled with an humidity level of 81%, the conditions create a vibrant, lush landscape typical of this coastal region. Visitors should come prepared for showers while enjoying the invigorating embrace of spring in Westport.
In September, Westport, New Zealand experiences a gentle transition as winter quietly yields to spring. With temperatures ranging from a cool 4°C (40°F) at night to a mild high of 15°C (60°F) during the day, the month carries an overall average of 11°C (52°F). This delicate balance sets the stage for gradual warming, as early spring often brings a refreshing crispness in the air. Compared to the preceding months, September maintains similar chilliness to August, yet hints at the upcoming warmth of October, where temperatures will begin to rise, creating an inviting atmosphere for both locals and visitors alike. The month serves as a bridge between the lingering coolness of winter and the vibrant energy of spring, making it a unique time to experience the charm of Westport.
In September, Westport experiences a notable uptick in precipitation, receiving 264 mm (10.4 in) of rainfall over 18 days, making it one of the wetter months of the year. This marks a slight increase from the 250 mm (9.8 in) recorded in August, underlining a trend of substantial rainfall during the transitional spring months. The prelude to spring brings about variable weather, contributing to a larger number of precipitation days in the previous month, indicating that Westport is well-acquainted with the moody skies typical of this time. As winter fades, the persistence of wet conditions illustrates the region’s dynamic climate, setting the stage for the milder October temperatures ahead.
In September, Westport, New Zealand experiences a relative humidity of 81%, slightly higher than the preceding months of August. This trend indicates a gradual increase as the region transitions from the crispness of winter to the onset of spring. Over the year, humidity levels fluctuate, peaking in the warmer months of December at 85% and typically ranging from 79% in August to 84% in January and November. The consistency in high humidity levels throughout the year creates a lush, verdant landscape in Westport, making it a unique destination for nature lovers. As spring unfolds, the air remains comfortably humid, enhancing the vibrant rejuvenation of the environment.
As September arrives in Westport, New Zealand, the UV Index shifts to 6, categorizing it as high and indicating a burn time of 25 minutes. This marks a notable transition from the cooler winter months of June and July, where the UV Index lingered at 2, to the more intense rays of early spring. While the region enjoys the elongating days, budding flora, and warming temperatures, residents should remain vigilant about sun exposure. Compared to the summer months, where indices peak at a striking 13, September serves as a reminder to balance outdoor activities with sun safety. For detailed insights on UV levels throughout the year, visit Westport UV Index.
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September in Westport, New Zealand, is a delightful transition into spring, boasting 229 hours of sunny brilliance. As the winter months gradually recede, September's sunshine hours show a refreshing uptick compared to the preceding months, highlighting a rejuvenation after the cooler spells of June and July, which recorded only 169 and 184 hours of sunshine respectively. Following the trend of increasing daylight, this month stands as a bridge, leading towards the peak sunshine months ahead, with October set to deliver 244 hours. As nature awakens from its winter slumber, Westport welcomes the warmer days, inviting both locals and visitors to revel in the beauty of its vibrant landscapes basked in September's gentle warmth.
In September, Westport, New Zealand experiences a moderate 38% chance of sunny weather, which aligns closely with the preceding months of April through August, where sunshine probabilities range from 36% to 41%. This trend indicates a slight upward shift as the region transitions from winter to spring. While September doesn't boast the highest likelihood of sunshine, it does offer a glimpse of brighter days ahead, especially when compared to the markedly lower chances in October, which plummet to 27%. Overall, early spring in Westport provides a refreshing mix of sunny opportunities, perfect for embracing the changing season.
As September unfolds in Westport, New Zealand, daylight begins to gradually lengthen, offering approximately 11 hours of sunlight each day. This marks a subtle yet noticeable transition from the shorter days of winter, where the maximum daylight hovered around 9 hours from June to August. Following the crisp early spring days of September, the trend accelerates into October with 13 hours of daylight, setting the stage for longer and brighter days. This progression highlights a significant shift as the region welcomes the warmer months ahead, paving the way for the vibrant and lengthy days typical of December's peak at 15 hours.
In September, Westport, New Zealand experiences a noticeable increase in wind activity, with an average speed of 5.4 m/s (12 mph), marking it as the windiest month of the year. This uptick follows a gradual rise in wind speeds from July onwards when the average reached 5.0 m/s (11 mph). Notably, September's winds are an invigorating precursor to the shifting seasons, reflecting a transition from the relatively calm summer months of January and February, which saw averages as low as 3.6 m/s (8 mph). The consistent wind speeds in the latter half of the year, particularly through June to September, suggest a pattern where coastal breezes become more pronounced, enhancing Westport's vibrant maritime and outdoor culture during spring.
Weather in Westport varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Westport, 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 4°C (40°F) to a milder maximum of 15°C (60°F), with an average of around 11°C (52°F). The month is characterized by significant rainfall, with 264 mm (10.4 in) spread over 18 days and a humidity level of 81%. In contrast, January experiences warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 23°C (73°F), averaging 16°C (62°F). Rainfall decreases to 169 mm (6.7 in) over just 13 days, while humidity remains slightly elevated at 84%. For more details on January weather, you can check out Westport weather in January.
When comparing the weather in September and February, it's clear that February tends to be milder and drier. In September, temperatures range from a low of 4°C (40°F) to a high of 15°C (60°F), accompanied by significant precipitation of 264 mm (10.4 in) over 18 days and high humidity at 81%. In contrast, February boasts warmer temperatures, with a minimum of 10°C (51°F) and a maximum of 25°C (76°F), along with just 155 mm (6.1 in) of rain during 12 days, leading to a slightly lower humidity of 80%. For more detailed information about February weather, you can visit Westport weather in February.
In September, the weather is considerably cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 15°C (60°F) and an average of 11°C (52°F). This month also experiences higher precipitation levels, averaging 264 mm (10.4 in) over 18 days, accompanied by humidity levels of 81%. In contrast, March offers a milder climate, with temperatures starting at 10°C (50°F) and peaking at 22°C (73°F), resulting in an average of 16°C (62°F). While March has slightly lower precipitation at 198 mm (7.8 in) over 16 days, it maintains relatively comparable humidity at 79%. For more detailed insights, check out Westport weather in March.
September and April present contrasting weather patterns. In September, temperatures range from a cooler minimum of 4°C (40°F) to a maximum of 15°C (60°F), with an average of 11°C (52°F). This month experiences significant rainfall, totaling 264 mm (10.4 in) over 18 days, alongside higher humidity levels at 81%. In contrast, April boasts milder temperatures, with a minimum of 8°C (46°F) and a maximum of 21°C (69°F), averaging 14°C (58°F). Rainfall in April is slightly less at 219 mm (8.6 in) over 17 days, coupled with a slightly lower humidity of 79%. For more detailed information, check out Westport weather in April.
In comparison to September, May typically experiences slightly milder temperatures, with average highs reaching 18°C (65°F) compared to September's maximum of 15°C (60°F). The minimum temperatures in May are also higher, starting at 6°C (43°F) rather than 4°C (40°F). While both months see significant rainfall, September records 264 mm (10.4 in) over 18 days, whereas May has a bit less precipitation at 250 mm (9.9 in) across 16 days. Humidity remains comparable, with September at 81% and May at 80%. For more detailed information, you can check Westport weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 11°C (52°F). However, September tends to be cooler overall, with minimum temperatures dropping to 4°C (40°F) compared to June’s 6°C (42°F). June also experiences slightly warmer maximum temperatures, reaching up to 17°C (62°F) versus September's peak of 15°C (60°F). Precipitation is more abundant in September, with 264 mm (10.4 in) over 18 days, while June sees significantly less rainfall at 145 mm (5.7 in) across 13 days. Humidity levels remain high, with September at 81% and June at 82%, making both months feel quite damp. For more details, check out Westport weather in June.
When comparing the weather in September to that in July, we see some notable similarities and differences. In both months, temperatures range from a minimum of 4°C (40°F) to a maximum of around 15°C (60°F), with September experiencing an average of 11°C (52°F) and July averaging slightly cooler at 10°C (50°F). In terms of precipitation, September sees a total of 264 mm (10.4 in) spread over 18 days, while July receives slightly more rain at 301 mm (11.8 in) over 17 days. Humidity levels are quite similar as well, with September at 81% and July at 82%. For a closer look at Westport's July weather, you can visit Westport weather in July.
When comparing the weather in September to that of August, we find that both months have similar temperature ranges, with minimums at 4°C (40°F), averages around 11°C (51-52°F), and maximums peaking at 15°C (60°F). However, September experiences slightly more precipitation, totaling 264 mm (10.4 in) over 18 days, compared to August's 250 mm (9.8 in) across 21 days. Additionally, September has a higher humidity level at 81%, compared to August's 79%. For more detailed insights, you can check Westport weather in August.
In September, the weather showcases cooler temperatures with a minimum of 4°C and an average of 11°C, peaking at 15°C. This month also experiences significant precipitation, totaling 264 mm over 18 days, along with a humidity level of 81%. Conversely, October brings slightly warmer temperatures, starting at a minimum of 6°C and averaging 12°C, with highs reaching 18°C. Although the total precipitation decreases to 229 mm, it is still present over 19 days, and humidity remains fairly constant at 82%. For more detailed information on October weather in this region, check out Westport weather in October.
In September, the weather is notably cooler, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 15°C (60°F) and an average of 11°C (52°F). This month experiences significant precipitation, totaling 264 mm (10.4 in) over 18 days, combined with a humidity level of 81%. In contrast, November presents milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 20°C (69°F) and an average of 14°C (57°F). Additionally, November sees less precipitation at 210 mm (8.3 in) spread over 14 days, along with slightly higher humidity at 84%. For more details on November weather, you can check Westport weather in November.
In September, the weather is noticeably cooler with nighttime temperatures dropping to a minimum of 4°C (40°F) and an average of 11°C (52°F), while daytime highs reach up to 15°C (60°F). This month also experiences significant rainfall, with an average of 264 mm (10.4 in) over 18 days, accompanied by a humidity level of 81%. In contrast, December brings warmer conditions, featuring a minimum temperature of 9°C (49°F) and an average of 16°C (61°F), peaking at a maximum of 23°C (73°F). Although December has slightly lower precipitation at 233 mm (9.2 in) over the same number of days, the humidity rises to 85%. For more detailed information on the December weather, you can check out Westport weather in December.
As September rolls in, Westport transitions from the chill of winter to the crispness of spring, showcasing a notable shift in weather patterns. The temperatures gradually rise, offering a more moderate climate compared to the preceding months, although frequent rainfall remains a hallmark of the season with more than half the days experiencing precipitation. The high humidity adds a distinct freshness to the air, making the early spring landscape lush and vibrant. For those planning a visit, understanding September's unique weather is crucial to experiencing the region's natural beauty to the fullest. For more detailed insights, check out the full findings at Westport Climate.