Last updated: August 31, 2025
September in Dunedin, New Zealand, is characterized by mild temperatures and a touch of unpredictable weather. The maximum daily temperature can reach 22°C (72°F), while the average hovers around 9°C (48°F) and the nights can dip down to a brisk -2°C (28°F). This month sees about 57 mm (2.2 in) of precipitation spread over 12 days, making it a relatively wet period. With humidity levels soaring at 83%, it's essential to embrace the changeable conditions—perfect for both outdoor adventures and indoor cozy retreats.
As September unfolds in Dunedin, New Zealand, temperatures begin to gently rise, signaling the approach of spring. The month starts with a minimum of -2°C (28°F), which gradually transitions into a comfortable average of 9°C (48°F), peaking at a pleasant 22°C (72°F). This signifies a notable shift from the preceding winter months, where temperatures dropped to bitter lows, often around -5°C (23°F). With more daylight and warmer afternoons, Dunedin residents can look forward to the invigorating change, embracing milder climates that foster outdoor activities and the blossoming of nature. Overall, September represents a beautiful turning point, blending lingering winter chills with the first hints of spring warmth.
In September, Dunedin experiences a transition in its weather patterns, marked by an average precipitation of 57 mm (2.2 in) over 12 days. This month's rainfall is higher than the preceding months of winter, yet it remains lower than the deluges expected in the later part of the year. As spring approaches, the gradual rise in precipitation signals a shift towards the more temperate conditions of October, which averages 81 mm (3.2 in) and typically sees an increase in both the intensity and frequency of showers. September's relatively mild precipitation serves as a gentle reminder of the vibrant growth to come, defining the changing seasons in this picturesque region of New Zealand.
As autumn approaches in Dunedin, New Zealand, September showcases a notable shift in humidity levels, settling at 83%. This month bridges the gap from the higher humidity of winter—averaging around 85% in the preceding months—toward the drier conditions of spring. While slightly lower than August's 84%, September's humidity reflects a gradual decline that continues into October. The overall trend highlights a cozy yet moist environment characteristic of Dunedin's early spring, paving the way for the more temperate months ahead.
September in Dunedin, New Zealand marks a transition as the UV Index rises to 5, classifying it as moderate. This means that while the sun’s rays are becoming stronger, they still allow for a burn time of 30 minutes—a notable increase from the previous winter months. As the days grow longer and warmer, residents and visitors should remain vigilant when spending time outdoors, especially as we look ahead to the higher UV levels of spring and summer. Interestingly, this gradual climb from the low readings in June and July, and the moderate readings in August, sets the stage for the upcoming increase into the very high category by October. For more specific details about UV levels, check out the Dunedin UV Index.
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As September unfolds in Dunedin, New Zealand, residents are greeted by an inviting 240 hours of sunshine, a notable rebound from the dreariness of winter. This month marks a transition as daylight begins to stretch, creating a bridge between the cooler months and the vibrant warmth of spring. Following the low point of June with just 158 hours, the increase in sunlight is a welcomed change, signaling the return of longer and brighter days. September's sunshine not only rekindles the landscape's colors but also invigorates the community, setting the stage for the more sun-soaked months ahead, especially as October and November promise even greater brightness.
As September rolls into Dunedin, the likelihood of sunny weather reaches a promising 46%, a slight uptick from the preceding months. This trend suggests that as winter transitions into spring, residents can anticipate a more favorable climate, with increased chances of sunshine compared to the cloudier months of June and July, which hover around 33% and 35% respectively. With sunshine steadily climbing from the 40% mark in March and peaking in April at 47%, September offers a delightful mix of lingering winter chill and the invigorating warmth of early spring—perfect for outdoor activities and enjoying the vibrant landscapes of this charming city.
As September arrives in Dunedin, New Zealand, the days gradually lengthen, offering around 11 hours of daylight. Following the winter months of June and July, which see the least sunshine at just 8 and 9 hours respectively, September marks a subtle shift towards brighter days. This month bridges the gap between the shorter, chilly days of winter and the upcoming warmth of spring, leading effortlessly into October's 13 hours of daylight. The pattern of increasing daylight hours is not only a seasonal reminder of the changing times but also a precursor to the exuberance of longer summer days ahead, reaching their peak in December with 15 hours of sunlight.
As September unfolds in Dunedin, New Zealand, the wind begins to pick up, averaging a brisk 3.8 m/s (9 mph)—a refreshing breath of air that heralds the transition into spring. Following the calmest months of winter, with average speeds dipping to around 2.9 m/s (6 mph) in June, the winds gradually gain momentum through late winter and early spring. The consistent rise in wind speed from August's 3.7 m/s (8 mph) to September's 3.8 m/s (9 mph) signals not only the approach of warmer days but also a gradual awakening of the vibrant coastal landscapes that define this picturesque city. As October arrives with a similar wind speed of 4.2 m/s (9 mph), it’s clear that the September wind in Dunedin plays a vital role in transitioning the atmosphere, filling the air with a lively energy that invigorates both residents and visitors alike.
Weather in Dunedin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Dunedin, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is cooler, featuring minimum temperatures around -2°C (28°F) and average highs of 22°C (72°F), with a total precipitation of 57 mm (2.2 in) over approximately 12 days. The humidity level is relatively high at 83%. In contrast, January experiences milder temperatures, with a minimum of 5°C (42°F) and average maximums reaching 31°C (88°F). During this month, precipitation increases to 96 mm (3.8 in) over about 13 days, but humidity remains slightly lower at 79%. For more insights on January weather, visit Dunedin weather in January.
September typically experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (48°F), while February brings milder conditions, starting at a minimum of 2°C (37°F) and averaging 15°C (59°F). The maximum temperatures also rise significantly in February, reaching up to 32°C (91°F), compared to September's peak of 22°C (72°F). Additionally, September has a relatively higher humidity level at 83% and experiences around 57 mm (2.2 inches) of precipitation over 12 days, whereas February has less humidity at 76% with increased rainfall of 100 mm (3.9 inches) over 10 days. For a more detailed overview, you can check out Dunedin weather in February.
September and March present distinct weather patterns. In September, temperatures range from a chilly -2°C (28°F) at their lowest to a comfortable max of 22°C (72°F), with an average of 9°C (48°F). It experiences about 57 mm (2.2 in) of precipitation over 12 days, accompanied by high humidity levels at 83%. In contrast, March features warmer temperatures, with lows around 3°C (38°F) and highs reaching up to 29°C (85°F), averaging 14°C (57°F). The precipitation is slightly lower at 52 mm (2.1 in) over 10 days, while humidity is also marginally lower at 78%. For a detailed overview of March weather specifics, check out Dunedin weather in March.
September and April exhibit distinct differences in weather patterns. In September, temperatures range from a minimum of -2°C (28°F) to a maximum of 22°C (72°F), with an average of 9°C (48°F). The month sees about 57 mm (2.2 in) of precipitation over 12 days, accompanied by relatively high humidity at 83%. In contrast, April offers slightly warmer conditions, with temperatures ranging from 0°C (31°F) to 26°C (79°F) and an average of 11°C (52°F). It also experiences a bit more precipitation at 69 mm (2.7 in), spread over 11 days, but with a slightly lower humidity of 81%. For more detailed insights on April weather, check Dunedin weather in April.
When comparing the weather in September to that of May, we see that September tends to be slightly warmer, with average temperatures reaching 9°C (48°F) compared to May's 8°C (47°F). September's maximum temperature can peak at 22°C (72°F), while May's highest is a bit lower at 20°C (68°F). Both months experience a notable frequency of precipitation, with September seeing 57 mm (2.2 in) over 12 days, compared to May's 45 mm (1.8 in) over 9 days. Additionally, the humidity levels are quite similar, with September at 83% and May at 84%, making both months feel quite damp. For more detailed insights, check out Dunedin weather in May.
In September, temperatures in Dunedin range from a minimum of -2°C (28°F) to a maximum of 22°C (72°F), averaging at 9°C (48°F). This month experiences more precipitation, totaling 57 mm (2.2 in) over approximately 12 days, with humidity sitting at 83%. In contrast, June presents slightly cooler conditions with temperatures ranging from -4°C (25°F) to 21°C (70°F) and an average of 6°C (43°F). June sees less rainfall, with total precipitation of 37 mm (1.4 in) spread over 9 days and humidity at a comparable 85%. For more details on June weather, you can check Dunedin weather in June.
The weather in September is generally milder than in July, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 22°C (72°F), while July sees lower temperatures, with a minimum of -5°C (23°F) and a maximum of 16°C (62°F). September experiences slightly less precipitation, with 57 mm (2.2 in) over 12 days, compared to July's 63 mm (2.5 in) across 10 days. Humidity remains relatively high in both months, at 83% in September and 85% in July. For more details on July weather, you can check Dunedin weather in July.
In comparing the weather of September and August, it's evident that September experiences slightly warmer temperatures, with an average of 9°C (48°F) compared to August's 7°C (45°F). The maximum temperature in September reaches 22°C (72°F), surpassing August's high of 20°C (68°F). However, September sees a higher level of precipitation at 57 mm (2.2 in) over 12 days, compared to August's 40 mm (1.6 in) during the same number of days. Humidity levels remain comparable, with September registered at 83% and August at 84%. For more detailed information, you can check Dunedin weather in August.
September generally experiences slightly cooler temperatures, with average highs around 22°C (72°F) and lows dropping to -2°C (28°F). The month sees about 57 mm (2.2 in) of precipitation over approximately 12 days, resulting in relatively high humidity at 83%. In contrast, October marks a gradual warming trend, featuring average temperatures of 10°C (51°F) and high peaks of 24°C (75°F), with low temperatures reaching 0°C (32°F). However, October also brings increased rainfall, totaling 81 mm (3.2 in) over 14 days, while humidity remains relatively stable at 80%. For more detailed insights, check out Dunedin weather in October.
September and November weather in Dunedin show notable differences in temperature and precipitation patterns. In September, temperatures range from a minimum of -2°C (28°F) to a maximum of 22°C (72°F), with an average of 9°C (48°F). The month receives about 57 mm (2.2 in) of precipitation over 12 days, coupled with high humidity at 83%. In contrast, November warms up, featuring a minimum temperature of 1°C (34°F), an average of 13°C (55°F), and a peak of 27°C (81°F). However, it experiences increased rainfall, with 96 mm (3.8 in) recorded over 15 days and slightly lower humidity at 78%. For more detailed insights, you can check out Dunedin weather in November.
In September, the weather features cooler temperatures ranging from a minimum of -2°C (28°F) to a maximum of 22°C (72°F), with an average of 9°C (48°F). There is moderate precipitation of 57 mm (2.2 in) over 12 days, and humidity levels are relatively high at 83%. In contrast, December experiences warmer temperatures, with a minimum of 4°C (39°F) and a maximum of 27°C (80°F), averaging around 14°C (58°F). The month is wetter as well, receiving 105 mm (4.1 in) of rainfall over 15 days, while humidity remains slightly lower at 81%. For more details, check Dunedin weather in December.
As September wraps up winter, Dunedin's weather begins to transition, presenting a unique blend of cool temperatures and increased precipitation compared to the preceding months. With an average temperature hovering around 9°C (48°F), it marks the onset of spring's mild embrace, while the occasional peak at 22°C (72°F) offers moments of warmth amidst the lingering chill. This month sees frequent rainfall, manifesting in about 12 days of precipitation, contributing to an 83% humidity level that can make the air feel quite brisk. Down in Dunedin, these dynamic weather shifts from winter's cold to the emerging warmth of spring create an intriguing experience for residents and visitors alike. To explore more about the climatic nuances of Dunedin, check out Dunedin Climate.