September Weather in Te Anau, New Zealand

Last updated: August 31, 2025

In Te Anau, New Zealand, September ushers in the onset of spring, showcasing a diverse range of weather conditions. The maximum temperatures reach a pleasant 16°C (61°F), while the average hovers around a cool 6°C (42°F), dipping to a brisk -6°C (22°F) at night. With a substantial precipitation total of 203 mm (8.0 in) over 17 days, visitors can expect frequent rainfall, contributing to the region's lush landscapes. The humidity levels are high at 86%, enhancing the invigorating freshness of the air. This combination of temperature and moisture not only revitalizes the environment but also sets the stage for the stunning natural beauty that defines Te Anau's springtime charm.

September Temperature in Te Anau

As September unfolds in Te Anau, New Zealand, temperatures begin to show signs of spring, offering a gentle transition from the winter chill. The month starts with chilly nights, featuring a minimum of -6°C (22°F), but daytime warmth gradually emerges, with highs reaching up to 16°C (61°F). This shift results in an average temperature of 6°C (42°F), indicating a notable improvement from the preceding months. While the days are still crisp, the increasing warmth hints at the lush beauty that spring will soon bring. Overall, September presents a refreshing blend of cool nights and pleasantly mild days, making it a delightful time for those looking to explore the stunning landscapes around Te Anau.

September Weather in Te Anau: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Te Anau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Te Anau, 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).
JanFebMarAprMayJunJulAugSepOctNovDec555453484440394142465053
Data source: Temperature data for Te Anau generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Te Anau

In September, Te Anau experiences a notable shift in its precipitation patterns, recording an impressive 203 mm (8.0 in) of rain, marking it as one of the wettest months of the year. This surge is accompanied by 17 rainy days, which keeps the lush landscapes vibrant as the region transitions from winter to spring. The increase in rainfall, compared to the preceding months, highlights September as a crucial time for replenishing water resources, fostering blooming flora, and setting a dramatic backdrop for outdoor activities. This trend of heightened precipitation continues into October, but September stands out as a pivotal month, vividly reminding us of nature's dynamic beauty in Te Anau.

September Precipitation Trends in Te Anau

The chart displays monthly precipitation patterns in Te Anau, 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 Te Anau, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec13117611713813695151132203170176173
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Te Anau

In September, Te Anau experiences a steady humidity level of 86%, mirroring the figures seen in both October and the preceding January. The region begins to transition from the peak humidity of April to August, when levels consistently hover around 87-88%. This pattern suggests a subtle decline, yet the coastal climate ensures that humidity remains high throughout the year, offering a lush environment. Overall, the persistence of humidity around 86% in late winter and early spring creates a refreshing atmosphere, characteristic of Te Anau's unique ecosystem.

September Average Humidity in Te Anau

This chart illustrates the average monthly humidity levels in Te Anau, 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 Te Anau is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%87%88%88%88%88%87%87%86%86%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Te Anau

As September rolls in, Te Anau enjoys a moderate UV Index of 5, indicating a notable transition from the cooler winter months, where levels ranged between 2 and 3, to a more intense spring atmosphere. With a burn time of 30 minutes, it's essential for residents and visitors alike to be proactive about sun protection during outdoor activities. Interestingly, this slight increase in UV exposure foreshadows a trend that will see levels rising significantly in the months ahead, peaking in the extreme range by December. For those seeking to stay informed about UV levels and maximize their sun safety, Te Anau UV Index provides valuable insights.

Maximum UV Index Levels in Te Anau for September

The chart shows the monthly maximum UV Index (UVI) for Te Anau 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 Te Anau typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1312853223581012
Data source: Te Anau 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 Te Anau

As September unfolds in Te Anau, New Zealand, it marks a delightful transition from the winter chill, capturing a noteworthy 192 hours of sunshine. This not only highlights an increase from the gray days of August but also foreshadows the glorious warmth of spring. Following a steady decline in sunlight throughout the winter months, September's embrace of sunshine hints at the vibrant energy that will continue to rise into the blooming days of summer. After enjoying a sunny September, locals and visitors alike eagerly anticipate the sun-soaked October, which brings with it 220 hours of bright days, paving the way for a season filled with warmth and adventure amidst stunning landscapes.

Monthly Sunshine Duration in Te Anau: September Highlighted

The September sunshine duration represents the total number of hours Te Anau 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.
JanFebMarAprMayJunJulAugSepOctNovDec222h240h228h178h149h131h128h152h192h220h266h293h
Data source: Te Anau September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Te Anau During September

As September rolls into Te Anau, the likelihood of basking in sunny weather stands at 22%, a modest improvement from the winter months where chances dipped as low as 14% in July. This transitional period marks a subtle shift towards spring, where the focus on sunshine begins to rise steadily—October and November also maintain a similar trend with probabilities around 24% and 25%, respectively. While September may not boast the highest chances for sun compared to the summer months, it signals a refreshing change, hinting at the promise of brighter days ahead as the region shakes off the chill of winter.

Percentage of Sunny Days in September in Te Anau

The chart illustrates the percentage of sunny days in Te Anau 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 Te Anau experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%30%25%28%24%20%14%15%22%24%25%24%
Data source: Te Anau September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Te Anau in September

As September unfolds in Te Anau, New Zealand, daylight begins a steady climb back from the depths of winter. After the shorter days of June and July, which offered only 8 and 9 hours respectively, September enjoys a refreshing 11 hours of daylight. This gradual increase signals a transition to spring, as the sun's presence grows increasingly prominent. Following September, the trend continues upward, peaking at 15 hours in December, highlighting the region’s remarkable seasonal shift. The longer days of early spring not only enhance the natural beauty of Te Anau but also invite residents and visitors alike to embrace outdoor adventures that flourish in this captivating landscape.

Average Daylight Hours in Te Anau for September

The chart illustrates the variation in daylight duration in Te Anau throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec15h 11m13h 56m12h 21m10h 46m9h 26m8h 45m9h 5m10h 15m11h 46m13h 22m14h 48m15h 34m
Data source: Te Anau daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Te Anau

As September unfolds in Te Anau, the winds whisper a refreshing change, with an average speed of 3.1 m/s (7 mph), matching the summer’s gentle breezes. This marks a notable shift from the more tranquil months of winter, where wind speeds dipped to as low as 2.0 m/s (4 mph) in June. Transitioning into spring, there's a clear uptick in wind activity; the currents dance around the lakes and mountains, hinting at the vibrant energy of the seasons to come. September's winds not only reinvigorate the landscape but also set the stage for the emerging warmth and charm of the approaching summer months, laying a breezy foundation for Te Anau's natural spectacle.

Average September Wind Speed in Te Anau

The chart displays monthly wind speed patterns in Te Anau, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.42.42.82.52.02.22.73.1 m/s2.22.63.0
Data source: Te Anau September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Te Anau Compares to Other Months

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

September and January showcase contrasting weather patterns. In September, temperatures range from a chilly -6°C (22°F) to a mild 16°C (61°F), with an average of 6°C (42°F). The month is quite wet, receiving 203 mm (8.0 in) of precipitation over 17 days, while humidity remains high at 86%. In contrast, January enjoys a warmer climate, with temperatures ranging from 2°C (37°F) to a pleasant 25°C (78°F) and an average temperature of 13°C (55°F). Rainfall decreases to 131 mm (5.2 in) across 14 days, yet humidity remains constant at 86%. For those looking for detailed forecasts, you can check Te Anau weather in January.

September and February showcase notable differences in weather patterns. September typically experiences cooler temperatures, with a minimum of -6°C (22°F) and an average of 6°C (42°F), while February offers milder conditions, featuring a minimum of 0°C (32°F) and an average of 12°C (54°F). Precipitation levels are slightly higher in September at 203 mm (8.0 in) over 17 days compared to February's 176 mm (6.9 in) spread across 14 days. Humidity remains relatively consistent, with September at 86% and February slightly lower at 85%. For more detailed information on February weather, check out Te Anau weather in February.

During September, the weather tends to be colder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 16°C (61°F) and an average of 6°C (42°F). The month is also quite wet, with 203 mm (8.0 in) of precipitation spread over 17 days and high humidity at 86%. In contrast, March experiences milder conditions, with temperatures starting at 1°C (34°F), reaching an average of 12°C (53°F), and peaking at 22°C (73°F). Precipitation is significantly lower at 117 mm (4.6 in) over just 12 days, while the humidity remains slightly higher at 87%. Overall, March offers a more temperate climate compared to the chill of September. For more detailed information, you can check Te Anau weather in March.

In comparing the weather between September and April, we see notable differences in both temperature and precipitation. September typically experiences cooler temperatures with a minimum of -6°C (22°F) and an average of 6°C (42°F), while April offers milder conditions, featuring a minimum of -1°C (31°F) and an average of 9°C (48°F). Additionally, the maximum temperatures in September reach only 16°C (61°F), compared to April's warmer highs of 20°C (69°F). Precipitation levels are higher in September, with 203 mm (8.0 in) over 17 days, compared to April's 138 mm (5.4 in) across the same number of days. Humidity remains similar but slightly elevated in April at 88%, compared to September's 86%. For more details on April weather, you can check Te Anau weather in April.

September and May present contrasting weather patterns. In September, temperatures range from a minimum of -6°C (22°F) to a maximum of 16°C (61°F), with an average of 6°C (42°F). The month experiences significant rainfall, totaling 203 mm (8.0 in) over 17 days, alongside high humidity at 86%. In comparison, May offers slightly milder temperatures, with a minimum of -3°C (26°F), an average of 7°C (44°F), and a maximum of 17°C (63°F). The precipitation is lower in May, amounting to 136 mm (5.4 in) over 15 days, while maintaining a similar humidity level of 88%. For a more detailed look at weather specifics in May, check out Te Anau weather in May.

In comparing the weather of September and June, we find notable differences in temperature and precipitation. September experiences a broader temperature range, with a minimum of -6°C (22°F) and a maximum of 16°C (61°F), averaging around 6°C (42°F). In contrast, June's temperatures are slightly milder, with a minimum of -3°C (27°F) and a maximum of 15°C (60°F), averaging 4°C (40°F). Additionally, September is marked by higher precipitation, with 203 mm (8.0 in) falling over 17 days, compared to June's 95 mm (3.7 in) over 14 days. Both months have high humidity levels, at 86% for September and 88% for June, which contributes to the overall dampness experienced during this time. For more detailed information, you can check Te Anau weather in June.

In comparing the weather between September and July, it's clear that September is generally warmer, with average temperatures reaching 6°C (42°F) compared to July's 4°C (39°F). The maximum temperatures in September can rise to 16°C (61°F), while July peaks at only 13°C (55°F). However, September also sees higher precipitation levels, accumulating 203 mm (8.0 in) over 17 days, compared to July's 151 mm (5.9 in) over 20 days. Humidity levels are fairly comparable, with September at 86% and July slightly higher at 88%. For those interested in more detailed weather information, visit Te Anau weather in July.

In September, the weather displays a slight increase in temperature compared to August, with average temperatures hovering around 6°C (42°F), reaching a maximum of 16°C (61°F), whereas August features a max of 13°C (56°F). Both months experience high humidity, with September at 86% and August slightly higher at 87%. However, September significantly surpasses August in terms of precipitation, recording 203 mm (8.0 in) over 17 days, compared to August's 132 mm (5.2 in) over 20 days. For a more detailed view of August weather patterns, please refer to Te Anau weather in August.

In September, the weather features cooler temperatures ranging from a minimum of -6°C (22°F) to a maximum of 16°C (61°F), with an average of 6°C (42°F). This month also sees significant rainfall, totaling 203 mm (8.0 in) over 17 days, while maintaining a high humidity level of 86%.

Conversely, October brings slightly milder temperatures, with a minimum of -5°C (24°F) and a maximum of 20°C (69°F), resulting in an average temperature of 8°C (46°F). Precipitation decreases to 170 mm (6.7 in) over 18 days, yet the humidity remains consistent at 86%. For more details on October weather conditions, visit Te Anau weather in October.

In comparing the weather between September and November, we see a notable shift in temperature and precipitation patterns. September features cooler temperatures with a minimum of -6°C (22°F) and an average of 6°C (42°F), while November warms up to a more comfortable minimum of -1°C (30°F) and an average of 10°C (50°F). Additionally, November enjoys a higher maximum temperature of 22°C (72°F), compared to September's maximum of 16°C (61°F). Precipitation levels in September are slightly higher at 203 mm (8.0 in) over 17 days, compared to November's 176 mm (6.9 in) across 16 days. Interestingly, both months share the same humidity level of 86%, contributing to a consistently damp atmosphere. For more detailed information, you can check Te Anau weather in November.

In September, the weather is notably cooler, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 16°C (61°F) and an average of 6°C (42°F). The month sees significant precipitation, totaling 203 mm (8.0 in) over 17 days, while humidity remains high at 86%. In contrast, December experiences milder conditions, with temperatures between 1°C (35°F) and 23°C (75°F), averaging 12°C (53°F). Precipitation slightly decreases to 173 mm (6.8 in) across 18 days, but humidity remains consistent at 86%. For more details on the December weather, visit Te Anau weather in December.

Compare Te Anau's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Te Anau

As September unfolds in Te Anau, the transition from winter to spring becomes evident, bringing a unique blend of cool temperatures and heightened humidity. Compared to the chill of the preceding months, September showcases warmer days with an average temperature that invites outdoor exploration. However, the region experiences a notable increase in precipitation, with rain falling on nearly half the days of the month, making it one of the wetter times of the year. This combination of mild temperatures and frequent showers paints a vibrant landscape, setting the stage for the lush growth of spring. For more detailed insights, check out Te Anau Climate.