September Weather in Picton, New Zealand

Last updated: August 31, 2025

In September, Picton, New Zealand, experiences a dynamic shift in weather as winter transitions to spring. The maximum temperature reaches a pleasant 18°C (64°F), while the average settles at a cool 11°C (51°F), with nighttime lows dipping to a crisp 3°C (37°F). This month notably showcases 87 mm (3.4 in) of precipitation over 11 days, resulting in a lush, vibrant landscape. With humidity levels averaging 83%, the air feels fresh and invigorating, making September a uniquely refreshing time to explore the natural beauty of this picturesque region.

September Temperature in Picton

As September unfolds in Picton, New Zealand, the transition towards warmer days begins to take shape. With temperatures ranging from a minimum of 3°C (37°F) to a comfortable maximum of 18°C (64°F), this month serves as a gentle bridge between the cooler winter months and the warmth of spring. The average temperature settles at 11°C (51°F), indicating a gradual rise compared to the preceding months. This subtle shift heralds the return of vibrant life to the landscape, making September an ideal time for outdoor explorations and enjoying the scenic beauty that Picton has to offer. As the days grow longer and milder, visitors can relish the beauty of the awakening scenery while locals embrace the refreshing change in climate.

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

The chart illustrates September temperature patterns in Picton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Picton, 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).
JanFebMarAprMayJunJulAugSepOctNovDec646361575450485051545861
Data source: Temperature data for Picton 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 Picton

In September, Picton, New Zealand experiences a notable shift in weather patterns as precipitation rises to 87 mm (3.4 in) over 11 days of the month. This increase marks a transition from the drier winter months, where July and August both recorded lower amounts of rainfall, averaging 108 mm and 84 mm respectively. As spring begins to bloom, September's rainfall plays a crucial role in nurturing the lush landscapes of the region, setting the stage for the warmer, sunnier months ahead. The consistent precipitation not only underscores the area's maritime climate but also highlights a trend of slightly elevated rainfall as the year progresses, leading into the wetter months of late spring and early summer.

September Precipitation Trends in Picton

The chart displays monthly precipitation patterns in Picton, 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 Picton, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec367471108948110884878081104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Picton

In September, Picton, New Zealand, experiences a notable shift in humidity, maintaining a comfortable 83% level. This marks a slight decline from the higher humidity levels observed in the winter months of June and July, both at 86%. The gentle transition into spring brings a continuation of elevated humidity, although it begins to taper off from the peak seen earlier in the year. As the city moves towards October with a predicted 82% humidity, September serves as a bridge, showcasing Picton's relatively moist climate while hinting at the drier months ahead. Overall, the humidity levels demonstrate a consistent trend, generally hovering in the high 70s to mid-80s percentage range throughout the year, creating a unique and inviting atmosphere.

September Average Humidity in Picton

This chart illustrates the average monthly humidity levels in Picton, 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 Picton is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Picton

In September, Picton, New Zealand experiences a UV Index of 6, categorized as high, which indicates a notable increase in sun exposure compared to the preceding winter months. As the days lengthen and temperatures begin to rise, residents and visitors should be aware that the burn time is around 25 minutes without protection. This shift marks a transition from the lower UV levels of May and June, where precautions are less urgent, to a period where sun safety becomes essential. As the year progresses toward the summer months of October and November, the UV Index will continue to rise significantly, reaching extreme levels by the end of the year. For more detailed insights on UV conditions throughout the year, you can check the Picton UV Index.

Maximum UV Index Levels in Picton for September

The chart shows the monthly maximum UV Index (UVI) for Picton 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 Picton typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691113
Data source: Picton 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 Picton

As September arrives in Picton, New Zealand, the days begin to stretch and warm, bringing with them 262 hours of radiant sunshine—a noticeable uplift from the winter months. Following a gradual decline in brightness during the colder season, where hours dipped to a low of 179 hours in June, the trend towards longer, sun-kissed days becomes increasingly apparent. This month marks a delightful transition, paving the way for the more sun-drenched weeks of spring that lie ahead. With the promise of 292 hours in October and a peak of 346 hours in December, September serves as a beautiful reminder of the sun's return, inviting residents and visitors alike to bask in the burgeoning warmth and vibrant landscapes of Picton.

Monthly Sunshine Duration in Picton: September Highlighted

The September sunshine duration represents the total number of hours Picton 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.
JanFebMarAprMayJunJulAugSepOctNovDec299h304h289h238h219h179h197h234h262h292h316h346h
Data source: Picton September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Picton During September

In September, Picton, New Zealand experiences a 49% chance of sunny weather, which is a notable shift towards clearer skies compared to the winter months. Following the cooler days of June and July, where the chances hovered around 40-45%, September marks a gradual transition into spring. This increase in sunlight is promising, especially when contrasted with the drop to 33% in October. It's clear that while September may not guarantee consistent sunshine, it offers a refreshing glimpse of brighter days ahead, inviting both locals and travelers to embrace the scenic beauty of the region as it blooms anew.

Percentage of Sunny Days in September in Picton

The chart illustrates the percentage of sunny days in Picton 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 Picton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%46%45%50%46%40%45%45%49%33%36%37%
Data source: Picton September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Picton in September

As September unfolds in Picton, New Zealand, the days begin to lengthen, offering about 11 hours of daylight. This marks a shift from the shorter days of winter, reflecting a gradual transition toward the vibrant energy of spring. After several months of consistent 9-hour daylight in mid-winter, September brings with it a noticeable increase in light, setting the stage for the upcoming months. Following this initial rise, daylight hours continue to grow, reaching 13 hours in October and peaking at 15 hours by December. This gradual extension of daylight not only brightens the days but also invigorates the local landscape, inviting residents and visitors alike to embrace outdoor activities as they soak up the warming sun.

Average Daylight Hours in Picton for September

The chart illustrates the variation in daylight duration in Picton throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 45m13h 40m12h 19m10h 57m9h 48m9h 13m9h 30m10h 30m11h 48m13h 11m14h 25m15h 4m
Data source: Picton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Picton

In September, Picton, New Zealand, greets the change of seasons with a noticeable increase in wind speed, averaging 6.1 m/s (14 mph). This surge marks a transition from the milder winds of winter, which hovered around 4.4 m/s (10 mph) in July and August, to a breezier early spring. Interestingly, September's winds are not just a temporary gust; they represent a broader trend as the region typically experiences its windiest month of the year during this time, setting the stage for the spring to follow. As the summer months approach, the winds soften again, averaging 4.6 m/s in October. This rhythmic ebb and flow of winds gives Picton its vibrant character, as each month dances to its own climatic tune.

Average September Wind Speed in Picton

The chart displays monthly wind speed patterns in Picton, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.24.94.84.54.94.74.45.26.1 m/s4.65.95.3
Data source: Picton September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Picton Compares to Other Months

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

September and January exhibit notably different weather patterns in terms of temperature and precipitation. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (64°F), with an average of 11°C (51°F). The month witnesses significant rainfall, with 87 mm (3.4 in) spread over 11 days, and a relatively high humidity level of 83%. In contrast, January boasts milder temperatures, with lows of 9°C (48°F) and highs reaching up to 29°C (84°F), averaging 18°C (64°F). This month experiences much less precipitation, totaling 36 mm (1.4 in) over just 6 days, while humidity slightly decreases to 79%. For more detailed information, visit Picton weather in January.

In September, temperatures tend to be cooler, with a minimum of 3°C (37°F), an average of 11°C (51°F), and a maximum of 18°C (64°F). The month experiences about 87 mm (3.4 in) of precipitation over 11 days, accompanied by relatively high humidity at 83%. In contrast, February is significantly warmer, featuring a minimum temperature of 9°C (48°F), an average of 17°C (63°F), and a maximum reaching 28°C (82°F). The precipitation decreases to 74 mm (2.9 in) over just 6 days, and humidity is slightly lower at 79%. Overall, February presents a more pleasant climate compared to the chillier, wetter September. For a detailed look at February weather, you can check Picton weather in February.

September and March present contrasting weather conditions. September features cooler temperatures, with a minimum of 3°C (37°F) and an average of 11°C (51°F), while March enjoys milder weather, starting at a minimum of 8°C (46°F) and averaging 16°C (61°F). The maximum temperatures in September peak at 18°C (64°F), compared to a warmer 24°C (75°F) in March. Additionally, September experiences more precipitation, with 87 mm (3.4 in) over 11 days, whereas March sees less rainfall at 71 mm (2.8 in) across 8 days. Humidity levels are slightly higher in September at 83%, compared to 79% in March. For more detailed information on March weather, check Picton weather in March.

When comparing the weather in September and April, we see notable differences in both temperature and precipitation. September typically features cooler temperatures, with a minimum of 3°C (37°F) and an average of 11°C (51°F), while April offers slightly warmer conditions, with a minimum of 5°C (41°F) and an average of 14°C (57°F). In terms of maximum temperatures, September reaches about 18°C (64°F), contrasting with April's warmer maximum of 21°C (71°F).

Precipitation levels are also higher in April, with 108 mm (4.2 in) over 9 days, compared to September's 87 mm (3.4 in) over 11 days. Humidity levels are relatively similar, with September maintaining 83% and April slightly lower at 80%. For a detailed look at what to expect in April, you can visit Picton weather in April.

In comparing the weather of September and May, we see similarities and slight variations. September typically showcases a temperature range from a minimum of 3°C (37°F) to a maximum of 18°C (64°F), averaging around 11°C (51°F). This month experiences about 87 mm of precipitation over 11 days, with humidity levels at a comfortable 83%. In contrast, May sees a marginally warmer average temperature of 12°C (54°F), with a maximum reaching 19°C (67°F) and similar minimum temperatures at 3°C (38°F). Precipitation is slightly higher at 94 mm over 9 days, accompanied by a humidity level of 84%. For a more detailed overview of May's weather, you can check out Picton weather in May.

When comparing the weather in September and June, both months present relatively cool conditions, but September is slightly warmer on average. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (64°F), while June sees a slightly lower range with minimums of 2°C (35°F) and maximums of 17°C (63°F). Precipitation levels are comparable, with September receiving 87 mm (3.4 in) over 11 days, and June experiencing 81 mm (3.2 in) over 10 days. Humidity is slightly higher in September at 83%, compared to June's 86%. For more details about the weather during June, you can visit Picton weather in June.

In comparing the weather of September and July, September tends to be slightly warmer with average temperatures reaching 11°C (51°F), compared to July's average of 9°C (49°F). The maximum temperatures in September also peak higher at 18°C (64°F) versus July's maximum of 15°C (59°F). However, July experiences more precipitation overall, totaling 108 mm (4.3 in) across 12 days, while September sees 87 mm (3.4 in) over 11 days. Humidity levels are quite similar, with September at 83% and July at 86%. For specific weather insights during July, you can refer to this link: Picton weather in July.

In comparing the weather of September and August, we can observe that both months exhibit relatively mild temperatures, with September having slightly higher averages. September's minimum temperature is 3°C (37°F), compared to August's 2°C (36°F), while the average temperature of September reaches 11°C (51°F) versus August's 10°C (50°F). Additionally, September boasts a maximum temperature of 18°C (64°F), slightly warmer than August's 17°C (63°F). Precipitation levels in both months are quite similar, with September recording 87 mm (3.4 in) and August 84 mm (3.3 in), both occurring over 11 days. Humidity remains consistent at 83% for both months. For more specific details regarding August weather, you can refer to Picton weather in August.

In September, the weather featured a minimum temperature of 3°C (37°F) and an average of 11°C (51°F), peaking at a maximum of 18°C (64°F). The month experienced considerable rainfall, with total precipitation of 87 mm (3.4 in) over 11 days, accompanied by humidity levels averaging 83%.

In contrast, October offers a slight improvement in temperature, showcasing a minimum of 3°C (38°F), an average of 12°C (55°F), and a maximum of 20°C (67°F). Precipitation decreases slightly to 80 mm (3.2 in), occurring over just 10 days, while humidity remains fairly stable at 82%.

For more detailed information on the climate, visit Picton weather in October.

September and November exhibit notable differences in weather, with November generally being warmer and slightly drier. In September, temperatures range from a minimum of 3°C (37°F) to a maximum of 18°C (64°F), with an average of 11°C (51°F) and 87 mm (3.4 in) of precipitation over 11 days. In contrast, November features milder conditions with a minimum of 5°C (42°F) and a maximum of 22°C (73°F), yielding an average temperature of 14°C (58°F) and 81 mm (3.2 in) of precipitation over 10 days. Humidity levels remain similar between the two months, with September at 83% and November at 82%. For more specific details about November weather, check out Picton weather in November.

In September, temperatures range from a cool 3°C (37°F) to a mild 18°C (64°F), with an average of 11°C (51°F). The month experiences 87 mm (3.4 in) of precipitation over 11 days, accompanied by a high humidity level of 83%. In contrast, December sees a noticeable rise in temperatures, with lows of 8°C (46°F) and highs reaching up to 25°C (77°F), averaging 16°C (61°F). Precipitation increases slightly to 104 mm (4.1 in) over 12 days, while humidity remains relatively stable at 81%. For a closer look at what to expect weather-wise, check out Picton weather in December.

Compare Picton's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Picton

As September unfolds in Picton, a distinct shift in weather patterns becomes evident. The temperatures begin to rise, offering a mild reprieve from the winter chill, yet the month is characterized by notable humidity and frequent rainfall, making it one of the wetter times of the year with precipitation days surpassing 10. Compared to the summer months that are typically warm and dry, September strikes a balance between the fading cold and the forthcoming warmth, creating a lush landscape eager for the vibrant colors of spring. As you experience these transformative days, you can explore more about the climatic nuances that define Picton throughout the year at Picton Climate.