September Weather in Akaroa, New Zealand

Last updated: August 31, 2025

Explore the enchanting September weather of Akaroa, New Zealand, where the beauty of transitioning seasons unfolds. With maximum temperatures reaching 18°C (65°F) and an average of 10°C (50°F), the crisp air invigorates the senses. While the minimum can drop to 4°C (39°F), the coastal charm remains captivating. Precipitation totals 46 mm (1.8 in) over 9 days, creating a lush, vibrant landscape, and the humidity level hovers around 82%, adding to the refreshing ambiance. Experience the unique blend of coolness and warmth, making September an ideal time to enjoy Akaroa's breathtaking scenery.

September Temperature in Akaroa

As September rolls into Akaroa, the shift towards spring becomes evident, bringing a refreshing change in temperatures. The month begins with minimums around 4°C (39°F), gradually lifting to an average of 10°C (50°F) and peaking at a pleasant 18°C (65°F). This rise marks a transition from the cooler winter months, where temperatures hovered around 2°C to 4°C (36°F to 39°F) during July and August. September's weather is marked by a gentle warming trend, inviting both locals and visitors to embrace the blossoming beauty of the region. With average highs nearing the comfortable 15°C to 18°C (60°F to 65°F), it’s an ideal time to explore Akaroa’s stunning landscapes and vibrant flora as the days grow longer and the chill of winter recedes.

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

The chart illustrates September temperature patterns in Akaroa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Akaroa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec626259555248474850525660
Data source: Temperature data for Akaroa 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 Akaroa

In September, Akaroa experiences a noticeable drop in precipitation, recording 46 mm (1.8 in) over 9 days. This marks a shift from the heavier rainfall seen in the winter months, particularly in June with 75 mm and July with 64 mm. As spring approaches, the trend suggests a gradual easing of the wet weather, setting the stage for the drier months ahead. Despite this decrease, September maintains a consistent pattern, continuing the region's established rhythm of rainfall that peaks during the winter and begins to recede as summer approaches. This balance of precipitation not only nourishes the lush landscapes but also adds a refreshing charm to Akaroa's early spring ambiance.

September Precipitation Trends in Akaroa

The chart displays monthly precipitation patterns in Akaroa, 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 Akaroa, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec513849695175645146566076
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Akaroa

In September, Akaroa experiences a humidity level of 82%, maintaining the trend established in the preceding months of winter. This moderate humidity indicates a slight decline from the peak levels of summer and early autumn, with March and April reaching 77%. As the transition from winter to spring unfolds, humidity remains relatively stable, suggesting a consistent maritime climate that characterizes the region. The month follows a pattern of increasing humidity from the drier summer months of January and February, which both recorded 72%. This gradual rise highlights Akaroa's unique weather dynamics, creating a refreshing atmosphere that's both crisp and invigorating as the new season approaches.

September Average Humidity in Akaroa

This chart illustrates the average monthly humidity levels in Akaroa, 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 Akaroa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%72%77%77%82%84%85%83%82%79%77%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Akaroa

In September, Akaroa experiences a UV Index of 5, placing it in the moderate exposure category with a burn time of around 30 minutes. As the region transitions into spring, this moderate level reflects a gradual increase in UV intensity compared to the winter months, where exposure was notably lower with a UV Index of 2 in both June and July. The trend shows a remarkable shift from the extremes of summer, where indices soar up to 13 in January, indicating that as the days get longer and warmer, sun safety becomes increasingly important. For residents and visitors alike, it's essential to stay vigilant about sun protection this time of year, as a brief lapse in caution could lead to undesirable results in the moderate September sun. For more detailed insights on sun safety, check out the Akaroa UV Index.

Maximum UV Index Levels in Akaroa for September

The chart shows the monthly maximum UV Index (UVI) for Akaroa 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 Akaroa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312963223591012
Data source: Akaroa 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 Akaroa

In Akaroa, September heralds the return of invigorating sunshine, with the sun gracing the skies for an impressive 251 hours. As winter relinquishes its hold, the days begin to stretch, bringing a noticeable increase in daylight compared to the preceding months. This upward trend in sunshine hours continues into the following months, culminating in the peak of summer when December dazzles with a stunning 334 hours of sunlight. The gradual rise from September to October sets the stage for a vibrant spring, inviting locals and visitors alike to bask in the beauty of Akaroa’s stunning landscapes and lively atmosphere.

Monthly Sunshine Duration in Akaroa: September Highlighted

The September sunshine duration represents the total number of hours Akaroa 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.
JanFebMarAprMayJunJulAugSepOctNovDec279h300h268h232h205h165h186h221h251h294h314h334h
Data source: Akaroa September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Akaroa During September

As September rolls into Akaroa, the likelihood of sunny weather sees a noticeable uptick, with a 52% chance of sunshine illuminating the early spring days. This marks an encouraging trend, as sunny probabilities generally fluctuate throughout the year. Following the winter months, where cloud cover and rain dominate, September offers a glimpse of brighter days ahead, surpassing the summer months of January and February that hold around 42% and 41% chances respectively. As the landscape begins to bloom and temperatures rise, September emerges as a promising time to enjoy outdoor activities, making it a perfect moment to soak up the sun in this picturesque coastal town.

Percentage of Sunny Days in September in Akaroa

The chart illustrates the percentage of sunny days in Akaroa 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 Akaroa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%41%46%57%51%34%42%43%52%32%33%33%
Data source: Akaroa September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Akaroa in September

As September unfolds in Akaroa, New Zealand, the daylight duration begins to transition, marking a shift from the colder months. With 11 hours of daylight, it reflects an increase from the winter months, hinting at the arrival of spring. This gradual lengthening is a welcome change after the shorter days of June and July, which saw just 8 and 9 hours of daylight, respectively. Following September, daylight durations will continue to rise, peaking in December with a robust 15 hours. This steady progression not only signifies the warming weather ahead but also invites opportunities for outdoor adventures and natural beauty, rejuvenating both the landscape and the spirit of the community.

Average Daylight Hours in Akaroa for September

The chart illustrates the variation in daylight duration in Akaroa throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec15h 1m13h 49m12h 20m10h 50m9h 35m8h 57m9h 15m10h 21m11h 47m13h 17m14h 39m15h 22m
Data source: Akaroa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Akaroa

In September, the winds in Akaroa, New Zealand, settle at an average speed of 4.8 m/s (11 mph), maintaining the trend of gentle breezes that characterize the late winter and early spring months. Following a slight uptick in August, the wind speed remains relatively stable as the seasons transition, allowing for enjoyable outdoor experiences without the overwhelming gusts seen in other months. Notably, this period of mild winds paves the way for the burgeoning beauty of spring, as the surrounding landscape begins to awaken with vibrant blooms and renewed life. As October approaches, the wind's consistency hints at the pleasant weather to come, making September an ideal time for both locals and visitors to enjoy the enchanting charm of Akaroa.

Average September Wind Speed in Akaroa

The chart displays monthly wind speed patterns in Akaroa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.14.44.64.54.74.14.74.94.8 m/s4.94.45.0
Data source: Akaroa September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Akaroa Compares to Other Months

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

September and January exhibit notable contrasts in weather patterns. In September, temperatures range from a cool 4°C (39°F) to a mild 18°C (65°F), with an average of 10°C (50°F). The month sees about 46 mm (1.8 in) of precipitation over approximately 9 days, accompanied by high humidity levels at 82%. In contrast, January brings warmer temperatures, with a minimum of 9°C (49°F), an average of 16°C (62°F), and a maximum of 29°C (84°F). Despite having slightly more precipitation at 51 mm (2.0 in) over 7 days, January enjoys lower humidity at 72%. For those looking for detailed insights into January weather, check out Akaroa weather in January.

September and February present contrasting weather patterns in terms of temperature and humidity. In September, the temperatures range from a chilly minimum of 4°C (39°F) to a mild maximum of 18°C (65°F), with an average of 10°C (50°F). This month experiences about 46 mm (1.8 in) of precipitation over nine days, alongside a high humidity level of 82%. In contrast, February boasts a warmer climate, with temperatures swinging from a minimum of 8°C (47°F) to a maximum of 27°C (81°F) and an average of 16°C (62°F). The precipitation in February is slightly lower at 38 mm (1.5 in) over just five days, accompanied by a reduced humidity of 72%. For more on February's weather, see Akaroa weather in February.

In comparing the weather between September and March, we observe notable differences in temperature and precipitation. September boasts cooler temperatures, with a minimum of 4°C (39°F) and an average of 10°C (50°F), while March enjoys milder conditions, featuring a minimum of 8°C (46°F) and an average of 15°C (60°F). The maximum temperatures also rise significantly in March, reaching up to 24°C (76°F) compared to September's maximum of 18°C (65°F). Precipitation levels are fairly similar, with September receiving 46 mm (1.8 in) over 9 days and March slightly higher at 49 mm (1.9 in) over just 8 days. Humidity is also more pronounced in September at 82%, compared to March's 77%. For more detailed insights about the weather in March, you can visit Akaroa weather in March.

When comparing the weather in September and April, notable differences emerge. September typically experiences cooler temperatures, with averages around 10°C (50°F), while April enjoys a milder average of 13°C (56°F). The maximum temperatures in September peak at 18°C (65°F), significantly lower than April's highs of 23°C (74°F). Precipitation levels also vary, with September receiving about 46 mm (1.8 in) over 9 days, whereas April sees increased rainfall, totaling 69 mm (2.7 in) spread across 10 days. Humidity remains relatively high in both months, with September at 82% and April slightly lower at 77%. For those interested in a detailed overview of April's weather patterns, you can check out Akaroa weather in April.

In comparing the weather of September and May, we find that both months exhibit mild temperatures, but May tends to be slightly warmer. In September, the average temperature hovers around 10°C (50°F), with a maximum of 18°C (65°F), while May enjoys an average of 11°C (52°F) and peaks at 20°C (69°F). Precipitation is fairly similar, with September receiving 46 mm across 9 rainy days and May slightly higher at 51 mm over 8 days. Notably, both months share the same humidity level of 82%, creating a consistently moist environment. For those interested in the specifics of May weather, you can explore Akaroa weather in May.

In comparing the weather between June and September, both months experience similar temperature ranges, with minimums around 4°C (39°F) and maximums hitting 18°C (65°F). However, September tends to be slightly warmer overall, with an average temperature of 10°C (50°F) compared to June's average of 9°C (48°F). Precipitation levels are also noteworthy; September sees 46 mm (1.8 in) over about 9 days, while June receives a higher total of 75 mm (2.9 in) across 10 days. Humidity remains fairly high in both months, with September at 82% and June at 84%. For a more detailed look at conditions during June, you can check Akaroa weather in June.

When comparing the weather in September and July, September generally offers milder temperatures, with a minimum of 4°C (39°F) and a maximum of 18°C (65°F), compared to July's lower range of 2°C (36°F) to a maximum of 14°C (58°F). September also tends to be slightly drier, receiving 46 mm (1.8 in) of precipitation over 9 days, while July is wetter with 64 mm (2.5 in) over 12 days. Humidity levels are high in both months, at 82% in September and 85% in July, but overall, September's warmer and drier conditions make it more favorable for outdoor activities. For more details about July weather, you can check out Akaroa weather in July.

In comparing the weather between September and August, September generally sees slightly warmer temperatures, with an average of 10°C (50°F) compared to August's 9°C (48°F). The maximum temperature in September also edges higher at 18°C (65°F) compared to 17°C (62°F) in August. However, September experiences a bit less precipitation, with 46 mm (1.8 in) over 9 days, while August receives 51 mm (2.0 in) across 10 days. Humidity levels remain consistent at 82% for both months, maintaining a similar feel in the air. For a detailed look at what to expect during August, you can visit Akaroa weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a crisp 4°C (39°F) at night to a mild 18°C (65°F) during the day, with an average temperature of 10°C (50°F). The month sees 46 mm (1.8 in) of rain over 9 days, accompanied by relatively high humidity at 82%. In contrast, October brings slightly warmer conditions, with nighttime lows remaining the same at 4°C (39°F), but daytime highs rising to 22°C (72°F) and an average of 11°C (53°F). Rainfall increases to 56 mm (2.2 in) over 11 days, and humidity decreases slightly to 79%. For a more detailed look at October weather, check out Akaroa weather in October.

September and November present contrasting weather patterns, with November generally being warmer and slightly wetter. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 18°C (65°F), with an average temperature of 10°C (50°F). This month sees about 46 mm (1.8 in) of precipitation over 9 days, accompanied by relatively high humidity at 82%.

In comparison, November experiences milder conditions, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 24°C (75°F), resulting in an average of 13°C (57°F). Precipitation in November increases to 60 mm (2.4 in), occurring on 8 days, but humidity is lower at 77%. For more detailed weather insights, you can explore Akaroa weather in November.

In September, the weather is cooler with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 18°C (65°F), averaging around 10°C (50°F). This month experiences about 46 mm (1.8 in) of precipitation over 9 days, coupled with a relatively high humidity of 82%. Conversely, December sees a warmer climate, with temperatures fluctuating between a minimum of 8°C (46°F) and a maximum of 25°C (78°F), averaging 15°C (60°F). While December has increased precipitation at 76 mm (3.0 in) across the same number of days, the humidity drops slightly to 75%. For a detailed look at the weather in December, you can check Akaroa weather in December.

Compare Akaroa's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Akaroa

As September unfolds in Akaroa, the weather transitions from the cooler grip of winter into a more temperate spring, bringing with it a refreshing vibrancy. The average temperature gently rises, inviting both locals and visitors to enjoy the outdoors, though occasional chill still lingers on some mornings. This month is also characterized by its notable humidity and light rain, with precipitation occurring on several days—making the lush landscape even more vivid. Compared to other months, September offers a unique blend of warmth and moisture, setting the stage for the vibrant life of spring. For those keen to explore more about the yearly weather patterns, visit Akaroa Climate.