Last updated: August 31, 2025
September in Cromwell, New Zealand brings a crisp embrace of early spring, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 16°C (60°F). The average temperature hovers around 4°C (40°F), inviting both fresh air and the promise of seasonal change. Residents and visitors can expect about 101 mm (4.0 in) of precipitation spread over 13 days, contributing to a humidity level of 86% that enhances the area’s lush landscapes. As the month unfolds, the blend of cool temperatures and moisture sets the stage for the vibrant transformation of the region.
As September arrives in Cromwell, New Zealand, temperatures begin to show subtle signs of warming after the chilly winter months. With a minimum temperature of -8°C (17°F) and an average of 4°C (40°F), the early signs of spring start to emerge, providing a pleasant relief from the depths of winter. Daytime highs reach up to 16°C (60°F), inviting the blossoms to awaken and the landscape to rejuvenate. While the temperatures remain cool compared to the balmy summer highs, the steady upward trend hints at the vibrant change ahead. Overall, September serves as a transitional month, bridging the cold embrace of winter with the warmth of spring, making it an exciting time for both nature and residents alike.
In September, Cromwell, New Zealand experiences a notable uptick in precipitation, with 101 mm (4.0 in) of rain recorded over 13 days. This marks one of the wettest months of the year, reflecting a transition as the region shifts towards the spring season. As the last remnants of winter recede, September's rainfall is a significant increase compared to the drier months of August and June, which saw just 57 mm (2.3 in) and 53 mm (2.1 in) respectively. The consistent days of precipitation lead into the wetter months ahead, setting the stage for an overall trend of increasing rainfall moving toward the end of the year, particularly as October and November follow with 87 mm and 112 mm of rain, respectively. Thus, September serves as both a bridge and a precursor to the lush conditions that spring brings to Cromwell.
In Cromwell, New Zealand, September marks a slight dip in humidity, averaging 86%, a trend that echoes the values seen in both January and October. This transition into spring is typically characterized by a gradual easing from the higher humidity levels of the winter months, which consistently hovered around 88% from April through August. The recurring 87% in August suggests a peak in moisture just before the September shift, reinforcing the region's overall humid climate. As the year progresses, Cromwell maintains a relatively stable humidity profile, which adds a distinct charm to its seasonal landscapes.
As September rolls into Cromwell, New Zealand, residents and visitors can expect a moderate UV Index of 5, indicating a safe yet mindful approach to sun exposure. With a burn time of approximately 30 minutes, it’s important to enjoy the outdoors while keeping skin protection in mind. This moderate level marks a slight increase from the low UV indices seen in the previous months of winter, signaling the gradual transition towards the warmer spring months ahead. Historically, as the seasons progress, the UV Index tends to rise significantly, peaking in the summer months with extreme levels. Staying informed about the changing UV Index is essential for safe outdoor activities, making the resource at Cromwell UV Index valuable for all.
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September in Cromwell, New Zealand, brings a delightful transition into spring with 243 hours of sunshine, a notable increase from the cooler, darker winter months. This surge in sunlight is a clear sign of nature awakening, following a low of 155 hours in July. As the landscape starts to bloom, the warmth of September feels refreshing after the diminished daylight of the earlier months. Interestingly, this month paves the way for even sunnier days ahead, setting the stage for October’s generous 263 hours and November’s brilliant 302 hours. With each passing week, the longer days not only invite more outdoor activities but also promise a vibrant season filled with warmth and light.
In Cromwell, New Zealand, September sees a 35% chance of sunny weather, aligning with the somewhat variable trend of the late winter months. As the seasons transition from winter to spring, September maintains a similar likelihood of sunshine as January, suggesting a gradual return of warmer, brighter days after the notably bleak July and June, which feature only 10% and 16% chances of sun, respectively. Interestingly, the sun's presence appears to improve slightly as the year progresses, with September's sunshine potential mirroring that of the previous summer, hinting that residents can anticipate a blend of spring blossoms alongside occasional sunny spells. Overall, while September may not offer the sunniest days, it marks a promising shift toward more pleasant weather as the season unfolds.
As September unfolds in Cromwell, New Zealand, the days gradually begin to lengthen, offering about 11 hours of daylight. This marks a delightful shift from the shorter winter days, where June only sees 8 hours of sunlight. The month serves as a gentle transition, bridging the gap between the lingering chill of winter and the warmth of spring. Following September, daylight extends further, reaching a pleasant 13 hours in October and peaking at 15 hours by December. This observable trend not only signals an increase in daylight but also heralds the arrival of brighter days, invigorating both nature and the spirit of the community.
As September unfolds in Cromwell, New Zealand, the winds begin to stir with a gentle yet invigorating breeze, averaging 2.2 m/s (5 mph)—a refreshing increase that echoes the transition from winter’s stillness to the burgeoning warmth of spring. This noticeable uptick in wind speed mirrors the seasonal rhythm observed throughout the year, where the winds are at their lowest during the colder months, such as June, with an average speed of just 1.5 m/s (3 mph). As we move from winter into spring, the winds steadily pick up, culminating in September's lively gusts. Interestingly, this pattern continues into October and December, suggesting that Cromwell's winds seem to relish the arrival of the warmer months, creating an inviting atmosphere for outdoor activities and adventures.
Weather in Cromwell varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cromwell, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures typically range from a chilly -8°C (17°F) to a mild 16°C (60°F), with an average of around 4°C (40°F). The month sees a significant amount of precipitation, with about 101 mm (4.0 in) spread over 13 rainy days, while the humidity remains high at 86%. In contrast, January enjoys much warmer conditions, featuring temperatures from a minimum of 2°C (37°F) to a maximum of 28°C (83°F), with an average of 14°C (57°F). Although January experiences slightly less rainfall with 86 mm (3.4 in) over 11 days, it maintains the same high humidity level of 86%. For a detailed look at how Cromwell performs during this month, you can check Cromwell weather in January.
In comparing the weather of September and February, a clear contrast emerges in both temperature and conditions. September experiences colder temperatures, with a minimum of -8°C (17°F) and an average of 4°C (40°F), while February boasts much warmer temperatures, ranging from a minimum of 1°C (35°F) to a maximum of 25°C (78°F). Precipitation levels are relatively similar, with September receiving 101 mm (4.0 in) over 13 days and February slightly higher at 105 mm (4.1 in) across 10 days. Humidity remains comparable as well, at 86% in September and 85% in February, highlighting the consistently moist atmosphere. For a more detailed look at February’s climate, visit Cromwell weather in February.
September and March present distinct weather patterns marked by notable temperature differences and precipitation. In September, temperatures start from a chilly minimum of -8°C (17°F) and average around 4°C (40°F), peaking at 16°C (60°F). The month experiences significant rainfall, totaling 101 mm (4.0 in) across 13 days, with humidity remaining high at 86%. In contrast, March enjoys milder conditions, with a minimum of -1°C (30°F) and an average of 12°C (54°F), reaching a maximum of 23°C (74°F). This month sees less rain, with 78 mm (3.1 in) over 9 days, and a comparable humidity level at 87%. For more detailed insights, you can check Cromwell weather in March.
In September, the weather typically features cooler temperatures with a minimum of -8°C (17°F) and an average of 4°C (40°F), reaching a maximum of 16°C (60°F). This month experiences more substantial precipitation at 101 mm (4.0 in) over about 13 days, alongside relatively high humidity at 86%. In contrast, April enjoys milder conditions, with temperatures ranging from a minimum of -4°C (25°F) to an average of 8°C (46°F), peaking at 21°C (69°F). April also has less rainfall, totaling 77 mm (3.0 in) across about 10 days, while maintaining a slightly higher humidity level of 88%. For more detailed insights into what to expect during this month, check out Cromwell weather in April.
Comparing the weather conditions in September and May reveals some intriguing similarities and differences. In September, the average temperature hovers around 4°C (40°F), with a minimum of -8°C (17°F) and a maximum reaching 16°C (60°F). The month experiences a higher precipitation level of 101 mm (4.0 in) over approximately 13 days, coupled with a humidity of 86%.
Conversely, May features a slightly lower average temperature of 5°C (40°F), with a minimum of -10°C (14°F) and a maximum similar to September at 16°C (61°F). However, it sees less precipitation, totaling 79 mm (3.1 in) across about 11 days, while the humidity remains comparable at 88%.
For more details on May weather, you can visit Cromwell weather in May.
In comparing the weather of September and June, we see some notable differences. September tends to be milder overall, with average temperatures reaching up to 4°C (40°F), while June sees slightly cooler temperatures, with an average of just 1°C (35°F). Additionally, September experiences more precipitation, totaling 101 mm (4.0 in) over 13 days, compared to June's 53 mm (2.1 in) over 10 days. Humidity levels are quite similar, with September at 86% and June slightly higher at 88%. For a more detailed look at weather conditions specific to June, visit Cromwell weather in June.
When comparing the weather in September and July, we see notable differences in temperature and precipitation. September boasts a more mild range of temperatures with a minimum of -8°C (17°F), averaging 4°C (40°F), and reaching a maximum of 16°C (60°F). In contrast, July has colder conditions, with a minimum of -13°C (9°F), an average temperature of 0°C (33°F), and a peak of only 9°C (48°F). Both months experience similar levels of precipitation, with September receiving 101 mm (4.0 in) and July slightly less at 97 mm (3.8 in), each spread across 13 days. Humidity levels are comparable as well, with September at 86% and July slightly higher at 88%. For a closer look at July's weather specifics, you can visit Cromwell weather in July.
In comparing the weather between September and August, September shows a slight increase in temperatures, with average temperatures rising to 4°C (40°F) compared to August's average of 2°C (37°F). Additionally, the maximum temperature in September reaches 16°C (60°F), which is notably warmer than August's maximum of 13°C (56°F). However, September experiences more precipitation, totaling 101 mm (4.0 in) over 13 days, in contrast to August’s 57 mm (2.3 in) over 12 days. Humidity levels remain similar in both months, with September at 86% and August at 87%. For more detailed information about August conditions, check out Cromwell weather in August.
In September, the weather features a chilly average temperature of 4°C (40°F), with maximum highs reaching only 16°C (60°F), while October brings a noticeable warming trend, with average temperatures rising to 8°C (46°F) and highs peaking at 21°C (71°F). Although both months experience similar levels of precipitation—101 mm (4.0 in) in September compared to 87 mm (3.4 in) in October—the overall feel of October is more temperate and pleasant. Both months have about 13 days of precipitation and maintain a consistent humidity level of 86%. For a more detailed look at October weather, check Cromwell weather in October.
In comparing the weather between September and November, we see a notable increase in temperatures. September experiences a range from a chilly minimum of -8°C (17°F) to a maximum of 16°C (60°F), with an average temperature of 4°C (40°F). Conversely, November enjoys milder conditions, featuring a minimum of -3°C (26°F) and a maximum soaring to 25°C (77°F), with an average of 10°C (51°F). Both months receive similar amounts of precipitation, with September totaling 101 mm (4.0 in) and November slightly higher at 112 mm (4.4 in), though they both account for precipitation on approximately 13 days. Interestingly, humidity remains consistent at 86% across both months, lending to a similar feel in moisture levels. For more details, you can check Cromwell weather in November.
In September, the weather tends to be much cooler, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 16°C (60°F), and an average temperature of 4°C (40°F). The month is characterized by relatively high humidity at 86% and receives about 101 mm (4.0 in) of precipitation over approximately 13 days.
Conversely, December brings milder temperatures, with a minimum of 1°C (34°F) and a maximum of 24°C (76°F), resulting in a much more pleasant average temperature of 12°C (55°F). December also sees an increase in precipitation to 114 mm (4.5 in) over around 14 days, yet the humidity remains the same at 86%. For those interested in more detailed information about December weather in Cromwell, you can visit Cromwell weather in December.
As September arrives in Cromwell, the weather transitions from winter's chill to the crispness of early spring, creating a dynamic contrast to the warmer, sunnier days ahead. With average temperatures hovering around 4°C, this month serves as a bridge, where cool mornings can still yield a few mild afternoons, yet a minimum of -8°C reminds us winter hasn't fully released its grip. The higher humidity levels at 86% and regular precipitation, with about 101 mm spread across 13 days, contribute to the burgeoning greenery, setting the stage for a vibrant landscape. This gradual shift in conditions provides an intriguing experience, making September a unique time to witness the transformation of Cromwell's climate. For more insights into the changes you can expect throughout the year, check out Cromwell Climate.