Last updated: February 24, 2025
September in Honaunau-Napoopoo, United States brings a warm yet variable climate, with maximum temperatures reaching around 24°C (75°F) and a comfortable average of 17°C (62°F). The month is characterized by high humidity levels at 82%, which, combined with a significant precipitation total of 682 mm (26.9 in), creates a lush, tropical environment. Residents and visitors alike should prepare for rain, as the area experiences precipitation on 29 days, making this a notably wet month in the region. Despite the frequent showers, the warmth and vibrancy of the landscape offer a unique experience to all who explore it.
In September, Honaunau-Napoopoo experiences a pleasant transition as temperatures begin to stabilize with a minimum of 9°C (48°F), an average of 17°C (62°F), and a maximum of 24°C (75°F). This trend showcases a gradual warming after the cooler months, with September mirroring the warmer conditions seen in August, without significant shifts. Notably, the evenings remain refreshingly cool, reminiscent of the earlier summer months. As the month progresses, temperatures hint at the onset of autumn, yet still maintain a comfortable warmth, making it an ideal time for outdoor activities amidst the stunning natural beauty of the area.
In September, Honaunau-Napoopoo experiences a notable drop in precipitation compared to the preceding months. Recording 682 mm (26.9 in) of rainfall over 29 days, this month's totals reflect a significant decrease from the peak of August, which boasted 1098 mm (43.2 in). It's interesting to observe how the region transitions from the intense summer rains of July and August into the more moderate conditions of early fall. Despite this reduction, September still ranks among the wetter months of the year, contributing to the lush landscapes that are characteristic of this beautiful area. As the year progresses, the precipitation levels continue to decline, hinting at the seasonal shift ahead.
In September, Honaunau-Napoopoo experiences a relative humidity of 82%, which reflects a slight decrease from the peak humidity of 84% recorded in August. This month marks the transition from the summer's higher humidity levels, with July and August showcasing a consistent rise throughout the late summer months. Following September, humidity levels begin to elevate again, reaching 83% in October. Overall, the trend demonstrates a humid environment year-round, with only minor fluctuations, establishing Honaunau-Napoopoo as a region characterized by consistent, tropical humidity that peaks during the late summer.
In September, Honaunau-Napoopoo experiences a UV Index of 14, maintaining its classification as an extreme exposure month, similar to the summer months of July and August. This trend reflects a consistently high level of sun intensity, prompting the need for vigilant sun protection as the burn time remains just 10 minutes. Throughout the year, the region exhibits a pattern where the UV Index peaks between February and August, followed by a gradual decline in the fall. As the end of the year approaches, the UV Index drops to a very high level of 10 in November and 9 in December, indicating a slight respite from the intense solar exposure experienced earlier in the year. To stay informed and protect yourself effectively, check the detailed Honaunau-Napoopoo UV Index.
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September in Honaunau-Napoopoo shines brightly, boasting 309 hours of sunshine that gently bridge the high summer days and the gentle cool of autumn. This month follows a peak in July with 339 hours, highlighting the region's sun-drenched allure during the summer. Although September experiences a slight dip compared to the sunniest months, it remains lush and vibrant. The steady decline post-summer gradually ushers in shorter days, yet September still clings to a wealth of sunshine, providing plenty of opportunities for outdoor exploration and connection with nature before the days grow shorter in October. With this rich palette of sunlight, the charm of Honaunau-Napoopoo continues to enchant both residents and visitors alike.
In Honaunau-Napoopoo, September brings a slightly increased likelihood of sunshine, with a 19% chance compared to the preceding summer months, which dip into the mid-teens. While this percentage is modest, it stands out amidst the lower numbers seen in the peak of summer, offering hope for those seeking a sprinkle of sun before the autumn months. Interestingly, as the transition into fall begins, this slight uptick hints at a return to more favorable conditions, though overall, September remains among the cloudier months. As the year winds down, this trend showcases a gradual recovery towards sunnier days, making it a time of change in the beautiful coastal region.
In Honaunau-Napoopoo, United States, the daylight duration experiences a subtle yet captivating rhythm throughout the year. September marks a transition point, with 12 hours of daylight—a continuation of the summer's warmth seen in June through August. During these warmer months, daylight peaks at 13 hours, creating longer evenings perfect for outdoor activities. As the calendar inches toward autumn, daylight starts to wane, gradually decreasing to 11 hours in October and ultimately reaching 10 hours by December. This gradual shift highlights the natural ebb and flow of the seasons, inviting a reflective appreciation for the changing patterns of light that define life in this beautiful region.
In Honaunau-Napoopoo during September, the winds register a gentle average speed of 2.0 m/s (4 mph), maintaining the moderate breeziness characteristic of the summer months. As the year progresses, a subtle upward trend emerges from the early spring through late summer, with wind speeds gradually increasing from 1.8 m/s (4 mph) in January to 2.1 m/s (5 mph) in July. Following this peak, September marks a slight dip but remains consistent with the preceding months. The pattern showcases a generally calm atmosphere, perfect for enjoying the idyllic coastal scenery, while also hinting at the onset of the softer autumn winds that begin to settle in by October.
The weather in Honaunau-Napoopoo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Honaunau-Napoopoo and find detailed weather information for every month.
In comparing the weather between September and January, September tends to be warmer, with average temperatures reaching 17°C (62°F) and highs of 24°C (75°F), compared to January's average of 13°C (56°F) and maximums of 21°C (70°F). Additionally, September experiences significantly more rainfall, with 682 mm (26.9 in) over 29 days, while January sees a much drier climate with only 269 mm (10.6 in) across 21 days. Despite both months having high humidity—82% in September and 79% in January—the overall conditions in January feel cooler and less wet. For a more detailed look at January weather in Honaunau-Napoopoo, you can refer to Honaunau-Napoopoo weather in January.
When comparing the weather in September and February, notable differences emerge. September typically has a milder minimum temperature of 9°C (48°F) and can reach highs of up to 24°C (75°F), averaging around 17°C (62°F). In contrast, February experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 13°C (56°F), while also peaking at a maximum of 23°C (73°F). Precipitation is significantly higher in September, with 682 mm (26.9 in) spread over 29 days, compared to February's 271 mm (10.7 in) over just 20 days. The humidity levels remain fairly close, with September at 82% and February at 79%. For detailed information on February weather, you can visit Honaunau-Napoopoo weather in February.
When comparing the weather in September and March, we can observe notable differences in temperature and precipitation. September tends to be warmer, with average temperatures reaching 17°C (62°F) and maximum highs of 24°C (75°F). In contrast, March is slightly cooler, averaging 14°C (57°F) with a maximum of 22°C (72°F). Additionally, September experiences significantly higher precipitation, with 682 mm (26.9 in) over 29 days, compared to March's 346 mm (13.6 in) over 27 days. Humidity levels are also higher in September at 82%, while March sees a lower humidity of 77%. For a detailed look at March weather, you can check this link: Honaunau-Napoopoo weather in March.
September and April exhibit similar maximum temperatures, both reaching up to 24°C (75°F), but September tends to be slightly warmer overall, with an average temperature of 17°C (62°F) compared to April's 15°C (59°F). Additionally, September experiences higher precipitation, measuring 682 mm (26.9 in) over 29 days, whereas April sees 436 mm (17.2 in) across 27 days. Humidity levels are comparable, hovering around 82% in September and slightly lower at 80% in April. For a closer look at April weather specifics, you can refer to Honaunau-Napoopoo weather in April.
When comparing the weather in September and May, both months exhibit similar temperature ranges, with September averaging 17°C (62°F) and May slightly cooler at 16°C (60°F), while both peak at a maximum of 24°C (75°F). However, September tends to be a wetter month, receiving 682 mm (26.9 in) of precipitation over 29 days, compared to May's 640 mm (25.2 in) over 30 days. Humidity levels are also comparable, with September experiencing an average of 82% humidity and May slightly lower at 80%. Overall, while both months can be quite rainy, September is characterized by marginally higher temperatures and precipitation. For more detailed information about the weather conditions in May, check out Honaunau-Napoopoo weather in May.
In comparing the weather of September and June, both months experience similar temperature ranges, with minimums hovering around 9°C (48°F) and maximums reaching up to 24°C (75°F). However, September features a slightly higher average temperature of 17°C (62°F) compared to June's average of 16°C (62°F). Precipitation levels are notably different, with September receiving 682 mm (26.9 in) of rain over 29 days, while June sees an even higher total of 790 mm (31.1 in) across 30 days. Humidity remains constant at 82% for both months, contributing to a humid atmosphere. For more detailed information about June weather, you can check Honaunau-Napoopoo weather in June.
In comparing the weather between September and July, we find that both months share similar temperature ranges, with minimum temperatures around 9°C (48°F), average temperatures at 17°C (62°F), and maximum temperatures peaking at 24°C (75°F). However, July experiences significantly higher precipitation levels, with 1,083 mm (42.7 in) of rain over 31 days, compared to September's 682 mm (26.9 in) over 29 days. Additionally, July has a slightly higher humidity level at 83%, compared to September's 82%. For more detailed insights into July weather in this region, you can check Honaunau-Napoopoo weather in July.
Comparing the weather of September and August reveals some notable differences and similarities. In September, the temperatures slightly drop, with a minimum of 9°C (48°F) and a maximum of 24°C (75°F), while maintaining an average of 17°C (62°F). In contrast, August sees slightly warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 25°C (78°F), but shares the same average of 17°C (63°F). Precipitation levels are significantly higher in August, with 1098 mm (43.2 in) over 31 days, compared to September's 682 mm (26.9 in) over 29 days. Additionally, humidity remains relatively high in both months, peaking at 84% in August and slightly decreasing to 82% in September. For a detailed look at the weather patterns, you can view Honaunau-Napoopoo weather in August.
In comparing the weather of September and October, we find that both months have similar minimum temperatures, at 9°C (48°F), while October sees a slight decrease in the average temperature to 16°C (61°F), compared to 17°C (62°F) in September. The maximum temperatures remain constant at 24°C (75°F) for both months. Rainfall is slightly reduced in October, with 624 mm (24.6 in) of precipitation compared to September's 682 mm (26.9 in), although both months share the same number of rainy days at 29. Additionally, humidity rises marginally in October to 83%, compared to September's 82%. For more details on weather in October, you can check Honaunau-Napoopoo weather in October.
In September, temperatures range from a minimum of 9°C (48°F) to a maximum of 24°C (75°F), with an average of 17°C (62°F), while November sees slightly cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 23°C (74°F), averaging at 15°C (59°F). Precipitation levels are notably higher in September, totaling 682 mm (26.9 in) over 29 days, compared to November's 407 mm (16.0 in) across 26 days. Humidity remains relatively consistent between the two months, with September at 82% and November slightly higher at 83%. For more detailed information, check out Honaunau-Napoopoo weather in November.
In September, the weather tends to be warmer, with average temperatures ranging from a minimum of 9°C (48°F) to a maximum of 24°C (75°F), and an average of 17°C (62°F). This month also sees substantial precipitation, totaling 682 mm (26.9 in) over 29 days, coupled with high humidity levels at 82%. In contrast, December presents a slightly cooler climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 22°C (72°F), averaging 14°C (57°F). While December experiences less rainfall, totaling 401 mm (15.8 in) over 26 days, the humidity remains comparable at 81%. For more detailed insights into December weather specifics, check out Honaunau-Napoopoo weather in December.
As we look back on September's weather in Honaunau-Napoopoo, it becomes clear that this month is marked by a unique blend of mild temperatures and significant rainfall. While the average temperatures remain comfortably cool, the high humidity and frequent precipitation contribute to a distinctly tropical atmosphere that sets September apart from other months. With nearly every day experiencing some level of rain, this period emphasizes the lush landscapes that characterize the region. For a deeper dive into the remarkable climate of Honaunau-Napoopoo, visit Honaunau-Napoopoo Climate.