September Weather in Raglan, New Zealand

Last updated: August 31, 2025

September in Raglan, New Zealand ushers in a blend of mild temperatures and lively weather patterns. With a maximum of 20°C (67°F) and an average of 12°C (54°F), residents can expect a comfortable yet varied climate, while the thermometer dips to a nippy 2°C (36°F) at night. The month sees approximately 124 mm (4.9 in) of rainfall spread over 16 days, contributing to the lush greenery of the region. Coupled with an average humidity of 80%, September in Raglan is a vibrant time, perfect for experiencing the beauty of coastal nature amidst its changing skies.

September Temperature in Raglan

In September, Raglan, New Zealand, begins to shake off the chill of winter, with temperatures notably on the rise. The month welcomes a minimum of 2°C (36°F) and gradually warms to an average of around 12°C (54°F), peaking at 20°C (67°F). This trend marks a clear transition from the colder months, as temperatures steadily climb from the frigid lows of July and August, where minimums dipped below freezing. September’s mild conditions hint at the approaching spring, inviting both locals and visitors to embrace the outdoors as the landscape begins to bloom. Overall, this month serves as a delightful reminder of seasonal change, planting the seeds for warmer days ahead.

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

The chart illustrates September temperature patterns in Raglan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Raglan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec676865605652515254576165
Data source: Temperature data for Raglan 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 Raglan

September in Raglan, New Zealand, typically sees a notable precipitation total of 124 mm (4.9 in), falling on an average of 16 days. This month marks a slight decrease from the record-high rainfall of August, yet it remains significantly wetter than the earlier months of the year. As winter transitions to spring, September's rain contributes to the lush landscapes characteristic of the region, providing a refreshing backdrop as the days begin to warm. The consistent rainfall not only supports local ecosystems but also hints at the lingering influence of the preceding colder months, setting the stage for a vibrant, blooming spring ahead.

September Precipitation Trends in Raglan

The chart displays monthly precipitation patterns in Raglan, 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 Raglan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec62789512812311313615612410793113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Raglan

In September, Raglan experiences a humidity level of 80%, maintaining a consistent trend observed throughout the year. As the tail end of winter gives way to spring, the humidity remains notably high, reflecting the region's coastal climate. The humidity peaks in July at 83%, then begins a gradual decline through the late spring and summer months, settling back to the 80% mark from October to December. This consistency not only emphasizes Raglan’s relatively stable weather patterns but also hints at the lush, vibrant foliage that flourishes in response to the region's humidity. Overall, the autumnal transition continues to bring moisture, setting the stage for the lush landscapes this charming locale is known for.

September Average Humidity in Raglan

This chart illustrates the average monthly humidity levels in Raglan, 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 Raglan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%76%74%75%80%82%83%81%80%80%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Raglan

As we transition into September, Raglan experiences a notable shift in its UV Index, reflecting the changing seasons. With a UV Index of 7, categorized as high, residents and visitors alike should be mindful of their sun exposure, as the recommended burn time is 25 minutes. This marks a gentle rise from the moderate levels seen in the earlier winter months, signaling the approach of sunnier days. The increasing UV levels emphasize the importance of sun protection as we move toward the peak summer months, where the UV Index can soar to extreme levels. For detailed information on UV levels throughout the year, check out Raglan UV Index.

Maximum UV Index Levels in Raglan for September

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

As September unfolds in Raglan, New Zealand, the days gradually lengthen, bringing 246 hours of vibrant sunshine—a delightful increase compared to the chillier months prior. This upward trend signals nature's transition into spring, igniting the landscape with warmth and color after the winter months, which saw as little as 174 hours of sunshine in June. The trend is clear: as we move into summer, each consecutive month promises more sunshine, with October and November expected to shine even brighter, reflecting the growing anticipation for the sun-drenched days ahead. With each passing week, Raglan blossoms under the sun, inviting locals and visitors alike to bask in its radiant charm.

Monthly Sunshine Duration in Raglan: September Highlighted

The September sunshine duration represents the total number of hours Raglan 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.
JanFebMarAprMayJunJulAugSepOctNovDec271h269h264h224h202h174h198h225h246h259h292h329h
Data source: Raglan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Raglan During September

In Raglan, New Zealand, September brings a 37% chance of sunny weather, marking a slight dip in sunshine compared to the previous months. This pattern aligns with the transitional nature of spring, where warmer days begin to emerge, yet the weather can remain unpredictable. Notably, the likelihood of sunshine tends to peak during the summer months, with January basking in the highest chance at 47%. As the year progresses from vibrant summer to mellow winter, the chances of sun fluctuate, with September's outlook signaling the gradual return of clearer skies. Overall, while September may not offer the sunniest conditions, it hints at the promise of brighter days ahead as the season shifts.

Percentage of Sunny Days in September in Raglan

The chart illustrates the percentage of sunny days in Raglan 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 Raglan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%39%40%42%39%35%38%39%37%26%40%28%
Data source: Raglan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Raglan in September

As September arrives in Raglan, New Zealand, daylight begins to gradually increase, offering 11 hours of sunlight—a slight uptick from the previous winter months. This transition signals the approach of spring, where daylight duration steadily rises, peaking in the summer months of December and January, which boast 14 hours of sunlight. Observing the trend through the year, we see a clear ebb and flow of daylight; February and March offer a warm farewell to summer with 13 and 12 hours, respectively, while the early winter months of June and July dip down to a mere 9 hours. September serves as a gentle reminder of the light's return, rejuvenating both nature and the vibrant lifestyle that Raglan is known for.

Average Daylight Hours in Raglan for September

The chart illustrates the variation in daylight duration in Raglan 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 4m9h 34m9h 49m10h 41m11h 50m13h 3m14h 8m14h 42m
Data source: Raglan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Raglan

As the winds of September arrive in Raglan, New Zealand, they mark a notable increase in average wind speed, reaching 4.8 m/s (11 mph). This upward trend is a continuation from the gentle breezes of winter, where July and August recorded 4.3 m/s (10 mph) and 4.5 m/s (10 mph) respectively. The transition into spring not only ushers in more consistent winds but also hints at the impending warmer months, contrasting with the calmer summer days of January and February, which averaged around 3.3 to 3.8 m/s. With September’s gusts, Raglan's coastal charm is enhanced, inviting adventure seekers and surfers to embrace the invigorating air as it promises a vibrant start to the spring season.

Average September Wind Speed in Raglan

The chart displays monthly wind speed patterns in Raglan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.33.23.63.83.84.34.54.8 m/s4.63.54.3
Data source: Raglan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Raglan Compares to Other Months

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

September and January present quite a contrast in weather. September sees cooler temperatures, with a minimum of 2°C (36°F) and an average of 12°C (54°F), peaking at 20°C (67°F). It also experiences significant precipitation, totaling 124 mm (4.9 in) over 16 days, and a high humidity level of 80%. In contrast, January offers a much warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a maximum of 28°C (84°F), and a more moderate average of 19°C (67°F). Additionally, January features less rainfall, totaling 62 mm (2.4 in) over just 8 days, and a slightly lower humidity of 79%. For more details on the January weather, you can check out Raglan weather in January.

In September, the weather tends to be cooler, with temperatures ranging from a minimum of 2°C (36°F) to a pleasant maximum of 20°C (67°F), while the average hovers around 12°C (54°F). This month also brings significant rainfall, with 124 mm (4.9 in) of precipitation spread over 16 days, contributing to a humidity level of 80%. In contrast, February showcases much warmer conditions, with temperatures starting at a minimum of 8°C (47°F) and soaring up to 29°C (84°F), while the average temperature is a comfortable 20°C (68°F). February experiences less rain as well, with only 78 mm (3.1 in) of precipitation over just 8 days, and a slightly lower humidity of 76%. For more detailed information about February weather, check out Raglan weather in February.

When comparing the weather between September and March, notable differences emerge. September tends to be cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), while March enjoys milder conditions, averaging between 8°C (47°F) and 29°C (84°F). Additionally, September experiences higher precipitation, with 124 mm (4.9 in) spread across 16 days, compared to March's 95 mm (3.7 in) over just 11 days. Humidity levels also vary, averaging 80% in September and 74% in March, making the latter feel more comfortable. For more specifics, you can check Raglan weather in March.

September and April present distinct weather characteristics as the seasons transition. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), with an average of 12°C (54°F), while April enjoys milder conditions, with temperatures spanning from 6°C (42°F) to 24°C (75°F) and an average of 16°C (61°F). Both months experience significant precipitation, with September receiving 124 mm (4.9 in) across 16 days and April slightly higher at 128 mm (5.0 in) over 11 days. Additionally, humidity levels are notably higher in September at 80%, compared to 74% in April. For more detailed information, you can check Raglan weather in April.

September and May exhibit similar weather patterns, though there are some distinct differences. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), with an average of 12°C (54°F). This month experiences 124 mm (4.9 in) of precipitation over 16 days, maintaining a consistent humidity of 80%. In contrast, May sees temperatures slightly cooler, with a minimum of 0°C (33°F) and a maximum of 21°C (71°F), averaging 13°C (56°F). Precipitation levels are comparable, at 123 mm (4.8 in) over 11 days, also accompanied by 80% humidity. For more detailed information on May weather, you can visit Raglan weather in May.

When comparing the weather in June and September, both months experience mild temperatures with maximums reaching around 20°C (68°F). However, September tends to be slightly warmer overall, with an average temperature of 12°C (54°F) compared to June's 11°C (53°F). Both months are relatively humid, with September at 80% and June slightly higher at 82%. In terms of precipitation, September receives a bit more rainfall at 124 mm (4.9 in) over 16 days, whereas June has 113 mm (4.4 in) spread over 12 days. For a closer look at June weather specifics, you can visit Raglan weather in June.

In comparing the weather of September and July, September features a slightly warmer range of temperatures with an average of 12°C (54°F) compared to July’s average of 11°C (51°F). The maximum temperature in September reaches 20°C (67°F), while July’s peaks at 18°C (64°F). Both months experience significant rainfall, with September receiving 124 mm (4.9 in) over 16 days and July seeing 136 mm (5.4 in) across 14 days. Humidity levels are quite similar, with September at 80% and July slightly higher at 83%. For a more detailed look at July’s weather, you can check out Raglan weather in July.

In comparing the weather of September and August, September tends to be slightly warmer, with an average temperature of 12°C (54°F) compared to August's average of 11°C (53°F). Both months experience similar humidity levels, hovering around 80%. However, September sees less precipitation overall at 124 mm (4.9 in) over 16 days, while August has a higher total of 156 mm (6.1 in) across 17 days. For those interested in more specific details about August weather, you can refer to Raglan weather in August.

In September, the weather transitions from summer with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 20°C (67°F) and an average of 12°C (54°F). The month sees substantial precipitation, totaling 124 mm (4.9 in) over 16 days, accompanied by a relative humidity of 80%. By contrast, October experiences slightly warmer conditions, with minimum temperatures of 4°C (39°F) and maximum temperatures reaching 22°C (71°F), bringing the average up to 14°C (57°F). While October has a lower total precipitation of 107 mm (4.2 in) over 15 days, the humidity remains consistent at 80%. For more detailed information about weather conditions in October, you can refer to this link: Raglan weather in October.

September and November exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 20°C (67°F), with an average of 12°C (54°F). The month experiences significant precipitation, totaling 124 mm (4.9 in) over 16 days, accompanied by a steady humidity level of 80%. In contrast, November showcases warmer temperatures, with a minimum of 7°C (44°F) and a maximum of 24°C (75°F), averaging around 16°C (61°F). Precipitation decreases to 93 mm (3.6 in) over 12 days, while humidity remains consistent at 80%. Overall, November offers a milder and drier climate compared to September. For more detailed information, check Raglan weather in November.

In comparing the weather patterns of September and December, we see notable differences in temperature and humidity. September experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 12°C (54°F), while December boasts milder conditions, featuring a minimum of 7°C (45°F) and an average of 18°C (65°F). Additionally, December presents a warm maximum of 27°C (80°F), compared to September's maximum of 20°C (67°F). Precipitation levels are relatively similar, with September receiving 124 mm (4.9 in) over 16 days and December having slightly less at 113 mm (4.5 in) across 15 days. Humidity is also slightly lower in December at 78%, compared to 80% in September. For more detailed insights on December weather, you can refer to Raglan weather in December.

Compare Raglan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Raglan

As September rolls into Raglan, the weather showcases a remarkable transition from the biting cold of winter to the gentler warmth of spring. With average temperatures creeping up, this month sees a refreshing change, though it still occasionally wrestles with cooler nights. The abundant rainfall, typical of this time, drapes the landscape in lush greenery, distinguishing September from the drier summer months. However, with approximately half of the days experiencing precipitation, residents and visitors alike should be prepared to embrace both sunshine and showers. To delve deeper into the unique climate characteristics of Raglan, visit Raglan Climate.