Last updated: August 31, 2025
In September, Napier, New Zealand, experiences a gentle transition into spring, with temperatures ranging from a minimum of 4°C (39°F) to a comfortable maximum of 20°C (68°F). The average temperature hovers around 12°C (54°F), providing a refreshing climate for outdoor activities. However, the city receives an average of 87 mm (3.4 in) of precipitation spread over 10 days, contributing to a humidity level of 78%. This blend of mild temperatures and occasional rain not only nurtures the lush landscapes but also invites visitors to enjoy the beauty of springtime in this coastal paradise.
As September rolls into Napier, New Zealand, the temperatures begin to rise gently, signaling the transition into spring. With minimums averaging 4°C (39°F), this month feels notably crisper compared to the warmer summer months that follow. The average temperature reaches a comfortable 12°C (54°F), while highs can soar up to 20°C (68°F), providing a delightful mix of cool mornings and pleasantly warm afternoons. This gradual warming trend from winter's chill, peaking at 20°C, hints at the vibrant blooms and lush landscapes that ensue as nature awakens from its slumber, making September an inviting prelude to the flourishing beauty of the forthcoming spring months.
In Napier, New Zealand, September marks a notable transition in the climate, with precipitation amassing to 87 mm (3.4 in) over 10 rainy days. This amount reflects a significant increase compared to the drier winter months, suggesting that the region is gradually shifting toward the wetter spring season. As the weather begins to warm, rainfall in September serves as a reminder of the upcoming blooming landscapes, with moisture levels that are relatively close to those of April and just slightly below the peak of June's 106 mm (4.2 in). The consistency in the number of rainy days emphasizes a stable pattern in September, providing a balanced environment conducive to the lush growth expected in the months to follow.
As September rolls into Napier, the humidity starts to show a gentle decline from the winter peaks, settling at a comfortable 78%. This marks a gradual easing from the more humid months of July (86%) and June (85%), as spring begins to awaken the region. Throughout the year, humidity tends to rise steadily from the summer's 69% in January and February, peaking in mid-winter and gradually tapering off into early spring. September’s humidity is a breath of fresh air compared to the 83% experienced in August, suggesting a shift towards drier, more pleasant days ahead as the landscape transitions into the vibrant warmer months.
In September, Napier experiences a UV Index of 6, indicating a high exposure category with a burn time of 25 minutes. This marks a transition from the cooler months, where the UV Index hovered around moderate levels, to a notable increase as spring approaches. While the index is lower than the intense summer peaks of January (14) and February (13), September encourages greater awareness, especially with the preceding months showing values under 5. As the days grow longer and sunnier, it's essential to remain vigilant about sun safety. For more insight into UV levels throughout the year, visit Napier UV Index.
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As summer transitions to spring, September in Napier, New Zealand brings a refreshing 245 hours of sunshine. This marks a delightful increase from the cooler, overcast days of winter, where June recorded only 169 hours. While September's sunshine still lags behind the sun-drenched peak of January with its impressive 284 hours, it sets the stage for the warmer months ahead. The month serves as a gentle prelude to the extended brightness of October and November, which promise even more sun as they reach their dazzling crescendo. Embracing September’s balmy rays becomes essential, as locals and visitors alike take advantage of the increasing light and warm weather, signaling the vibrant season of growth and renewal on the horizon.
In Napier, New Zealand, the arrival of September brings a 49% chance of sunny weather, signaling a shift as spring awakens after winter's chill. This month stands out as a transitional period, presenting a more optimistic outlook compared to the cooler months of June and July, where the sun only peeked out 37% and 47% of the time, respectively. As we approach the warmer spring months, the likelihood of sunshine fluctuates, with September offering slightly better odds than the more overcast October days that follow. While the sun may not dominate the skies just yet, September hints at the brighter days ahead, making it a delightful time for locals and visitors alike to enjoy Napier's natural beauty.
As September unfolds in Napier, New Zealand, the daylight begins to gently increase, offering around 11 hours of light—a welcome shift from the shorter winter months. The transition from August, which held just 10 hours of daylight, marks the start of spring, rejuvenating the landscape and inviting outdoor activities. This gradual ascent in daylight continues into October, where the duration climbs to 13 hours, paving the way for the longer, sun-drenched days of summer. Observing this trend, it's evident that with each passing month, Napier greets increasingly vibrant and brighter days, reflecting the seasonal shift and the promise of warmer weather ahead.
As September arrives in Napier, New Zealand, the winds pick up slightly with an average speed of 4.5 m/s (10 mph), sitting comfortably above the calmer winter months. This gentle increase mirrors the transition into spring, suggesting that the region is gearing up for warmer days ahead. Notably, September's winds are on par with some of the breezier winter months, such as June and August, indicating a consistent pattern of invigorating flows as the seasons shift. Overall, the gentle yet steady approach of September winds encapsulates the essence of spring, fostering a revitalizing ambiance as nature awakens from its winter slumber.
Weather in Napier varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Napier, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, a notable shift in temperature and conditions becomes evident. In September, temperatures range from a chilly minimum of 4°C (39°F) to a comfortable maximum of 20°C (68°F), with an average of 12°C (54°F). The month sees significant rainfall, with 87 mm (3.4 in) across 10 days and humidity levels at 78%. In contrast, January experiences much milder conditions, with temperatures ranging from a minimum of 11°C (52°F) to a warm maximum of 27°C (81°F), averaging 20°C (68°F). Precipitation drops considerably to 45 mm (1.8 in) over just 6 days, accompanied by lower humidity at 69%. This change signifies a transition from the cooler, wetter early spring to the warmer, drier summer. For more detailed information, you can check Napier weather in January.
When comparing September and February weather, notable differences emerge. September has cooler temperatures, with a minimum of 4°C (39°F) and an average of 12°C (54°F), while February offers a warmer climate, with temperatures starting at a minimum of 13°C (55°F) and peaking at 31°C (87°F). Precipitation is more frequent in September, with 87 mm (3.4 in) over 10 days, compared to February's 62 mm (2.5 in) over just 7 days. Additionally, September's humidity is higher at 78%, whereas February experiences a more comfortable 69%. For further insights, visit Napier weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a chilly 4°C (39°F) to a mild 20°C (68°F), with an average of 12°C (54°F), while March enjoys noticeably warmer temperatures, starting at 11°C (52°F) and peaking at 26°C (78°F) with an average of 18°C (65°F). Precipitation levels in September are slightly higher at 87 mm (3.4 in) over about 10 days, compared to March’s 76 mm (3.0 in) across the same number of days. Additionally, September experiences higher humidity at 78%, whereas March is more comfortable at 71%. For those interested in the specifics of March weather, you can learn more about Napier weather in March.
September and April exhibit distinct weather patterns as the seasons transition. In September, temperatures range from a chilly 4°C (39°F) to a mild 20°C (68°F), averaging around 12°C (54°F), with a higher humidity level of 78%. The month experiences about 87 mm (3.4 in) of precipitation over approximately 10 days, making it a relatively wet period. In contrast, April offers warmer temperatures, with minimums of 9°C (48°F) and maximums reaching 24°C (76°F), culminating in an average of 16°C (61°F). Precipitation remains slightly higher at 91 mm (3.6 in) but occurs over just 9 days, coupled with a lower humidity of 74%. For more detailed information, you can visit Napier weather in April.
When comparing the weather in September and May, several notable differences emerge. September typically features cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 20°C (68°F), resulting in an average temperature of 12°C (54°F). In contrast, May sees slightly warmer conditions, starting at a minimum of 6°C (44°F) and peaking at 22°C (73°F), averaging 14°C (57°F).
Precipitation levels also differ, with September receiving 87 mm (3.4 in) of rain over approximately 10 days, while May is slightly drier, contributing 70 mm (2.8 in) within the same number of days. Humidity levels are fairly similar, with September at 78% and May slightly higher at 83%. For more detailed information on May weather, you can check Napier weather in May.
In comparing the weather of September and June, both months exhibit mild average temperatures, with September experiencing a minimum of 4°C (39°F) and a maximum of 20°C (68°F), while June sees slightly warmer conditions with a minimum of 5°C (42°F) and a maximum of 19°C (66°F). Precipitation is more pronounced in June, totaling 106 mm (4.2 in) over 12 days, compared to September's 87 mm (3.4 in) over 10 days. Additionally, humidity levels are slightly higher in June at 85%, whereas September holds a humidity of 78%. For more detailed information, check out Napier weather in June.
In comparing the weather between September and July, September presents slightly warmer conditions overall, with average temperatures reaching 12°C (54°F) and a maximum of 20°C (68°F). In contrast, July's temperatures are cooler, averaging 11°C (52°F) and peaking at 17°C (63°F). Both months experience considerable humidity, with September at 78% and July slightly higher at 86%. Additionally, September sees a bit more precipitation, totaling 87 mm (3.4 in) over about 10 days, compared to July's 77 mm (3.0 in) over 11 days. For more details about weather specifics in July, you can check Napier weather in July.
In comparing the weather between August and September, September tends to be slightly warmer, with average temperatures reaching 12°C (54°F) compared to August's average of 11°C (52°F). September also sees a higher maximum temperature of 20°C (68°F), whereas August peaks at 18°C (64°F). However, September experiences more precipitation, totaling 87 mm (3.4 in) over 10 days, while August recorded 59 mm (2.3 in) over 11 days. Humidity is slightly lower in September at 78%, compared to August's 83%. For more details on August weather, you can refer to Napier weather in August.
September and October present a transitional shift in weather patterns, with October generally being slightly warmer and drier. September features temperatures ranging from a cool 4°C (39°F) to a mild high of 20°C (68°F), accompanied by 87 mm (3.4 in) of precipitation over about 10 days. In contrast, October sees the minimum temperature rise to 7°C (45°F) and an average of 14°C (57°F), peaking at 23°C (74°F), while experiencing less rainfall at 69 mm (2.7 in) across 9 days. Both months maintain similar humidity levels, with September slightly higher at 78% compared to October's 77%. For a closer look at what to expect, check out Napier weather in October.
In comparing the weather of September and November, a noticeable shift is evident. September experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 12°C (54°F), compared to November's milder minimum of 9°C (49°F) and average of 16°C (62°F). Additionally, November boasts higher maximum temperatures, reaching 25°C (77°F), while September peaks at 20°C (68°F). Precipitation is slightly lower in November at 72 mm (2.8 in) over 9 days, compared to September’s 87 mm (3.4 in) over 10 days, contributing to a marginally drier atmosphere. Humidity in November remains relatively similar at 74%, just slightly lower than September's 78%. For more detailed insights on November weather, you can visit Napier weather in November.
In comparing the weather between September and December, significant differences emerge in temperature and humidity. September experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 12°C (54°F), while December boasts a milder climate, featuring a minimum of 10°C (51°F) and an average of 18°C (65°F). Additionally, December brings warmer max temperatures reaching up to 27°C (80°F) compared to September’s high of 20°C (68°F). Precipitation levels are relatively close, with September receiving 87 mm (3.4 in) over 10 days and December slightly less at 75 mm (3.0 in) over 11 days. Humidity also contrasts between the two months, being higher in September at 78% compared to December’s lower 66%. For more details on the December weather, you can visit Napier weather in December.
As September arrives in Napier, the weather begins to transition, signaling the end of winter's chill. With maximum temperatures reaching around 20°C and an average of 12°C, the air feels refreshingly crisp yet mild. Unlike the drier summer months, September experiences an increase in precipitation, averaging 87 mm across approximately ten days, which contributes to the region's lush landscapes. The 78% humidity also adds a unique feel to the air, making this month distinctly different from the drier, sunnier days of summer. For those interested in understanding more about the region's climate trends, exploring the detailed insights available at Napier Climate is highly recommended.