Last updated: August 31, 2025
In Twizel, New Zealand, September ushers in a shift towards spring with maximum temperatures peaking at 15°C (60°F), while the average rests at a cool 5°C (42°F) and nights can dip to a brisk -6°C (21°F). The region experiences 130 mm (5.1 in) of precipitation over an average of 13 days, contributing to its lush, vibrant landscapes. With humidity levels around 86%, September in Twizel paints a picture of a refreshing, albeit slightly damp, early spring that invites both adventure and exploration amidst the stunning Southern Alps.
In September, Twizel, New Zealand, begins its transition from the depths of winter to the crisp beginnings of spring. With temperatures ranging from a chilly -6°C (21°F) at night to a milder 15°C (60°F) during the day, the weather starts to show signs of warmth. The average temperature of 5°C (42°F) signals a slow but steady climb, hinting at brighter days ahead. As the landscape awakens from its white slumber, September marks a significant shift compared to the preceding winter months, where temperatures frequently dipped below freezing. This month sets the stage for more vibrant autumn months, encouraging both residents and visitors to embrace the fresh air and the beauty of the changing season.
September brings a noteworthy increase in precipitation for Twizel, New Zealand, with 130 mm (5.1 in) of rain recorded over 13 days. This marks a distinctive uptick compared to the preceding months, particularly August, where only 82 mm (3.2 in) fell across 14 days. As winter transitions into spring, the heavier rains in September contribute to a vibrant landscape, setting the stage for the lush flora and rejuvenated ecosystems that characterize the region. The trend of rising rainfall continues into October and November, suggesting a pattern of increasing precipitation as the year progresses, which further enhances Twizel's stunning scenery.
In September, Twizel experiences a humidity level of 86%, consistent with the trends observed throughout the year. This slight dip from the higher humidity levels of April to August, which hovered around 88%, indicates a subtle shift as the region transitions into the warmer months. The humidity remains relatively stable, with 86% being a recurring figure in October, November, and December as well. Overall, September’s moisture levels reflect Twizel's characteristic climate, offering a gentle hint of variability without straying far from the year's average, thus maintaining the region's lush and vibrant landscape.
As September arrives in Twizel, New Zealand, the UV Index reflects a notable transition with a moderate reading of 5, indicating a 30-minute burn time. This marks a slight uptick compared to August's 4, suggesting that the sun's intensity is gradually increasing as the Southern Hemisphere shifts towards summer. This pattern highlights the trend of rising UV exposure, moving from the lower levels of winter in May through July, which had the lowest indices of 3 and 2. September serves as a gentle reminder for residents and visitors alike to stay vigilant about sun safety as they enjoy the changing seasons. For more details on UV levels, check out Twizel UV Index.
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As September rolls into Twizel, New Zealand, the days start to lengthen and the sun shines a bit brighter, offering 238 hours of sunshine—a delightful uptick from the winter months. Following a summer peak in January, when the area basks in an impressive 277 hours, September marks a transition towards warmer and sunnier days, setting the stage for the vibrant spring ahead. This gradual increase from the winter lows of 143 hours in June and 151 hours in July indicates a blossoming enthusiasm for outdoor activities as nature awakens. With October promising even more sun at 264 hours, it's clear that the residents and visitors of Twizel can look forward to a splendid spring filled with bright skies and renewed energy.
In Twizel, New Zealand, the chance of enjoying sunny weather in September stands at 37%, positioning it as a relatively moderate month for sunshine compared to the peak summer months that enjoy higher percentages around January and February. As the seasons transition, September reflects a slight dip from the warmer months but is still favorable when considering the lower probabilities seen in the winter months of June and July, where sunny days are less frequent, hovering around 20%. This makes September a promising time for outdoor enthusiasts, as the likelihood of clear skies begins to rise gradually towards the budding warmth of spring.
As September rolls into Twizel, New Zealand, the days begin to lengthen after the winter slumber, with approximately 11 hours of daylight—a noticeable increase from August's 10 hours. This gradual transition heralds the approach of spring, as daylight starts to climb steadily toward the longer days of summer. Following the pattern set earlier in the year, daylight duration consistently rises, peaking at 15 hours in December and January. The progression from winter's 8 hours in June to September's 11 hours signifies a refreshing return of warmth and vitality, inviting both locals and visitors to revel in the beauty of the changing seasons.
As September arrives in Twizel, New Zealand, the wind begins to pick up, with average speeds reaching 1.9 m/s (4 mph), mirroring the winds of January and December. This subtle increase suggests a shift towards more dynamic weather patterns, as the region transitions into spring. Notably, September's winds are among the highest in the latter half of the year, reflecting a gentle but invigorating breeze that invites outdoor exploration. It’s interesting to observe that the average wind speed remains fairly consistent throughout the year, with a gradual fluctuation that peaks during the transitional months and settles into a milder rhythm as summer approaches. This trend not only enhances the charm of Twizel's stunning landscapes but also signals the changing seasons, making September a delightful time for both locals and visitors alike.
Weather in Twizel varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Twizel, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between September and January, we see notable differences in temperature and precipitation patterns. September experiences cooler temperatures, with a minimum of -6°C (21°F) and an average of 5°C (42°F), while January enjoys a milder climate with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 27°C (81°F). Precipitation is more frequent in September, totaling 130 mm (5.1 in) over 13 days, compared to January’s 84 mm (3.3 in) over just 10 days. Additionally, both months share a high humidity level of 86%, contributing to the overall dampness in the air. For more detailed insights on January weather, you can check Twizel weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 15°C (60°F), with an average temperature of 5°C (42°F). The month is marked by significant precipitation, totaling 130 mm (5.1 in) over about 13 days, coupled with high humidity at 86%. Conversely, February experiences warmer temperatures, with a minimum of 2°C (37°F) and a maximum of 27°C (80°F), averaging 14°C (58°F). It also sees slightly less precipitation at 115 mm (4.5 in) spread across 10 days, along with a humidity level of 85%. For more detailed information on February weather in Twizel, you can check Twizel weather in February.
September and March present contrasting weather patterns, highlighting the transition from late winter to early spring. In September, temperatures range from a chilly minimum of -6°C (21°F) to a maximum of 15°C (60°F), with an average of 5°C (42°F). The month is relatively wet, accumulating 130 mm (5.1 in) of precipitation over 13 days and maintaining a high humidity level of 86%. Conversely, March features milder temperatures, with a minimum of 0°C (33°F) and a maximum reaching 23°C (74°F), resulting in a more comfortable average of 13°C (56°F). It has slightly less precipitation at 110 mm (4.3 in) over 10 days, with humidity remaining high at 87%. For more details, check out Twizel weather in March.
In comparing the weather of September and April, September tends to be colder overall, with daily average temperatures hovering around 5°C (42°F), while April experiences a slightly milder average of 9°C (49°F). Both months see similar humidity levels, with September at 86% and April slightly higher at 88%. However, April enjoys more pleasant maximum temperatures, reaching up to 21°C (70°F), compared to September's maximum of 15°C (60°F). Precipitation is also noteworthy, with September receiving 130 mm (5.1 in) over 13 rainy days, slightly more than April's 113 mm (4.4 in) across 11 days. For a more detailed look at April weather, you can refer to Twizel weather in April.
September and May present distinct yet somewhat similar weather characteristics. In September, temperatures range from a chilly -6°C (21°F) to a moderate maximum of 15°C (60°F), with an average of 5°C (42°F). The month experiences significant precipitation of 130 mm (5.1 in) over 13 days and a high humidity level of 86%. In contrast, May sees slightly warmer conditions with temperatures dropping between -5°C (23°F) and reaching up to 17°C (62°F), averaging 7°C (44°F). The precipitation is lower at 102 mm (4.0 in) across 11 days, with humidity slightly higher at 88%. For a closer look at May’s weather specifics, check out Twizel weather in May.
September and June share similar maximum temperatures, both reaching up to 15°C (60°F), but September tends to be slightly milder on average with temps around 5°C (42°F), compared to June's average of 3°C (38°F). While both months experience cool weather, September sees more precipitation, with 130 mm (5.1 in) over 13 days, compared to June's 76 mm (3.0 in) over 10 days. Additionally, humidity levels are comparable, with September at 86% and June slightly higher at 88%. For a more detailed look at June weather, check Twizel weather in June.
When comparing the weather in September and July, September tends to be slightly warmer, with average temperatures reaching 5°C (42°F) compared to July's 2°C (36°F). July experiences a lower maximum temperature of 10°C (51°F) versus September's maximum of 15°C (60°F). Both months see similar levels of precipitation, with July at 139 mm (5.5 in) and September at 130 mm (5.1 in), and both have precipitation on approximately 13 days. Humidity levels are also comparable, with September showing 86% and July slightly higher at 88%. For a more detailed look at July weather specifics, check out Twizel weather in July.
In comparing the weather of September and August, September experiences slightly higher average temperatures with a minimum of -6°C (21°F) and a maximum of 15°C (60°F), compared to August's minimum of -8°C (18°F) and maximum of 14°C (58°F). While both months are quite humid, September has a humidity level of 86%, only slightly lower than August's 87%. Notably, September also sees increased precipitation at 130 mm (5.1 in) over 13 days, compared to August's 82 mm (3.2 in) across 14 days. For more detailed insights on August weather, you can refer to Twizel weather in August.
In September, the weather shows more variability with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 15°C (60°F), accompanied by a significant amount of precipitation at 130 mm (5.1 in) over 13 days. This month is characterized by a chilly average of 5°C (42°F) and high humidity at 86%.
In contrast, October brings a slight warming trend, with minimum temperatures rising to -4°C (26°F) and maximum temperatures reaching 21°C (71°F). The average temperature increases to 8°C (47°F), and while there is still considerable precipitation at 104 mm (4.1 in) across 14 days, the humidity remains consistent at 86%. For more specific details on October weather trends, you can check Twizel weather in October.
In September, the weather is characterized by cooler temperatures, with a minimum of -6°C (21°F) and an average of 5°C (42°F), peaking at a maximum of 15°C (60°F). This month sees a total precipitation of 130 mm (5.1 in) over 13 days, accompanied by high humidity levels of 86%. In contrast, November offers a milder climate, where temperatures range from a minimum of -3°C (26°F) to a maximum of 26°C (78°F), with an average of 11°C (52°F). Precipitation slightly increases to 136 mm (5.3 in) over the same number of rainy days, maintaining the same level of humidity at 86%. For more detailed information about November weather, you can check Twizel weather in November.
In September, the weather is notably cooler, with average temperatures around 5°C (42°F) and a maximum of 15°C (60°F). The month experiences frequent rainfall, with approximately 130 mm (5.1 in) over 13 days, contributing to a chilly humidity level of 86%. In contrast, December ushers in warmer temperatures, averaging 13°C (56°F) and peaking at 24°C (75°F). Though December sees slightly more precipitation at 160 mm (6.3 in) over 15 days, the overall feel is more temperate and pleasant. For a detailed look at December's climate, visit Twizel weather in December.
As the transition into spring unfolds, Twizel's September weather showcases a dynamic shift from the colder winter months. While daytime temperatures gradually rise, averaging around 5°C, the nights can still dip into frosty territory. Frequent precipitation, with about 130 mm falling over 13 days, contributes to the lushness of the surrounding landscapes, giving September its unique charm. Coupled with a noticeable humidity of 86%, this month sets the stage for the vibrant blooms and warm days that characterize the approaching summer. For a deeper understanding of Twizel's climate throughout the year, visit Twizel Climate.