Last updated: February 24, 2025
In September, Waipio, United States, experiences a warm and humid climate, with maximum temperatures reaching 32°C (89°F) and an average of 26°C (80°F). The evenings bring a refreshing drop, with minimum temperatures around 21°C (71°F). While the month is generally pleasant, occasional rainfall contributes to a total precipitation of 26 mm (1.0 inch) over approximately 7 days, keeping the lush surroundings vibrant. Humidity levels average a high 82%, enhancing the tropical feel of this captivating locale.
In September, Waipio experiences warm and pleasant temperatures, with minimums around 21°C (71°F) and maximums reaching 32°C (89°F). The average temperature hovers at 26°C (80°F), maintaining a cozy warmth perfect for outdoor activities. Notably, these September figures are consistent with the trends seen during the peak summer months of July and August, offering a smooth transition into the fall season. As the month progresses, the warmth gradually gives way to slightly cooler conditions, yet the overall climate remains inviting, making it an ideal time for visitors and locals to enjoy the lush landscapes and vibrant atmosphere Waipio has to offer.
In September, Waipio experiences a mild dip in precipitation, with the month receiving 26 mm (1.0 in) over 7 days of rain. This slight decrease follows a summer characterized by lower rainfall, as evidenced by August's 27 mm (1.0 in). The transition into autumn shows a trend of gradually increasing wetness, with the month marking a turning point before more substantial rainfall returns in October, where precipitation spikes to 57 mm (2.2 in). This rhythm of drier summer months giving way to wetter autumn conditions is a consistent pattern in Waipio’s climate, setting the stage for the rainfall peaks of the coming months.
In Waipio, United States, September brings a slight dip in humidity, averaging at 82%, which is consistent with the higher levels felt during the summer months. As the year progresses, humidity tends to peak during July and August at 83%, showcasing the thick, tropical air typical of the region. Following this, September marks a subtle transition towards drier conditions, yet remains comfortably humid compared to the earlier months. The humidity gradually eases as the calendar moves into October, echoing a yearly trend where the most humid months cluster around mid to late summer, before tapering off into a more pleasant autumn. Overall, September offers a fleeting moment of relief from the summer's peak humidity while still retaining the lush, vibrant atmosphere typical of Waipio.
As September rolls in Waipio, the UV Index remains notably high at 12, categorized as extreme, which suggests a burn time of just 10 minutes for unprotected skin. Following a trend seen throughout the summer months, where UV levels peaked at 13, September signals a slight decrease, yet the sun's intensity remains formidable. This persistent exposure highlights the importance of sun safety throughout the year, especially as we transition from the sweltering summer into fall. For more details on the UV Index trends throughout the year, visit Waipio UV Index.
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In September, Waipio enjoys a generous 318 hours of sunshine, maintaining the high standards set by the summer months. As the year progresses, it's clear that sunshine hours peak during the warmer months, with July leading the way at 349 hours. The gradual transition into fall sees a slight dip from the summer highs, yet September still boasts an impressive amount of bright days, outshining most of the remaining months. This trend of abundant sunshine transforms into a colorful tapestry of autumn, making Waipio a delightful place to bask in the lingering warmth as the year winds down. As we move toward October, the sunshine hours remain commendably high at 300—a gentle reminder that the sun's presence will still be felt even as the season shifts.
In Waipio, September enjoys a 56% chance of sunny weather, aligning closely with the city's summer months. As summer transitions to fall, the likelihood of sunshine remains steady, reflecting a peak in sunshine seen in both May and August at 60%. This consistency suggests that while the weather may become a bit less predictable as the year progresses, September still holds promise for outdoor activities and warm, sunlit days. Following September, the likelihood of sunny weather gently declines, setting the stage for the cooler, cloudier months ahead. So, if you’re looking to soak up some rays, September is still a fantastic choice in Waipio!
In September, Waipio enjoys a delightful 12 hours of daylight, marking a transition from the longer summer days of June, July, and August, where daylight peaked at 13 hours. As the year progresses, daylight gradually wanes, reflecting the seasonal shift toward fall. This month serves as a gentle reminder of nature's rhythm, reminding residents to bask in the warm light while it lasts, before October brings another slight reduction to 11 hours. The trend of diminishing daylight from 15 hours in summer to 10 hours in winter underscores the fascinating interplay of the seasons in this charming oasis.
As the summer warmth begins to fade, September in Waipio offers a gentle transition characterized by an average wind speed of 5.0 m/s (11 mph), mirroring January's breezy embrace. This month serves as a pivotal link, with winds subtly moderating after a noticeable peak in July, where gusts reached 5.8 m/s (13 mph). Following September, October sees a slight uptick, hinting at the impending autumn chill. Meanwhile, the late year months of November and December reveal a drop in wind speed, settling to 3.3 m/s (7 mph) and returning to 5.0 m/s (11 mph) respectively. This pattern illustrates a rhythm of wind that dances from vibrant summer breezes to the calmer, cooler airs of fall, evoking a sense of balance in Waipio's September atmosphere.
The weather in Waipio 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 Waipio and find detailed weather information for every month.
September and January exhibit distinct weather patterns. In September, temperatures are generally warmer, with a minimum of 21°C (71°F) and an average of 26°C (80°F), peaking at 32°C (89°F). The month experiences 26 mm (1.0 in) of precipitation across 7 days, coupled with high humidity at 82%. In contrast, January sees slightly cooler temperatures, with a minimum of 17°C (63°F), an average of 23°C (73°F), and a maximum of 28°C (82°F). Precipitation is slightly less at 22 mm (0.9 in) over 6 days, while humidity remains relatively low at 78%. For a more detailed outlook, you can check Waipio weather in January.
September and February present distinct weather patterns. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 32°C (89°F), with an average of 26°C (80°F) and relatively low precipitation of 26 mm (1.0 in) over about 7 days, accompanied by high humidity at 82%. In contrast, February experiences cooler conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (82°F), averaging 22°C (72°F). Precipitation is significantly higher in February, measuring 76 mm (3.0 in) over 13 days, while humidity remains slightly lower at 79%. For more details on February's weather, you can visit Waipio weather in February.
In comparing the weather between September and March, September tends to be warmer, with average temperatures around 26°C (80°F) and maximum highs reaching 32°C (89°F). The month experiences less precipitation, totaling 26 mm (1.0 in) over about 7 days, coupled with high humidity levels of 82%. In contrast, March features cooler average temperatures of 22°C (73°F), with maximums reaching 29°C (84°F). However, it sees significantly more rainfall at 77 mm (3.0 in) spread across 16 days, with slightly lower humidity at 78%. For a more detailed look at conditions during this time, you can check out Waipio weather in March.
September tends to be warmer than April, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 32°C (89°F), compared to April's range of 17°C (63°F) to 29°C (84°F). Additionally, September has lower precipitation levels, experiencing about 26 mm (1.0 in) over 7 days, while April sees more rainfall at 39 mm (1.5 in) over 11 days. Humidity levels are quite similar between the two months, with September at 82% and April slightly lower at 81%. For a closer look at the weather specifics in April, you can visit Waipio weather in April.
In comparing the weather of September and May, September tends to be slightly warmer, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 32°C (89°F), while May has a minimum of 18°C (65°F) and a maximum of 30°C (87°F). Additionally, September experiences less precipitation, totaling 26 mm (1.0 in) over 7 days, compared to May’s 38 mm (1.5 in) spread over 12 days. Both months share a consistent humidity level of 82%, contributing to a warm and tropical feel. For more detailed insights, you can check Waipio weather in May.
In June, the weather is slightly cooler with average temperatures reaching 25°C (78°F), while September offers warmer conditions with averages of 26°C (80°F). Both months experience similar humidity levels at 82%, but September sees less precipitation, averaging 26 mm over 7 days compared to June's 51 mm over 9 days. This makes September a bit drier and more comfortable, while June tends to be wetter and slightly cooler. For more details on June weather, you can check Waipio weather in June.
In comparing the weather of September and July, we see that both months exhibit similar average temperatures, with September’s average at 26°C (80°F) closely mirroring July’s average of 26°C (79°F). However, September experiences slightly warmer minimum and maximum temperatures, with a minimum of 21°C (71°F) and a maximum of 32°C (89°F) compared to July’s 22°C (71°F) and 31°C (88°F), respectively. Precipitation levels are also comparable; September sees 26 mm (1.0 in) over 7 days, while July receives 28 mm (1.1 in) over a longer period of 11 days. Humidity remains fairly constant between the two months, with September at 82% and July at 83%. For a more detailed look at July's weather, you can visit Waipio weather in July.
In comparing the weather of September to August, we see that both months share similar temperature ranges, with a minimum of 21°C (71°F), an average of 26°C (80°F), and a maximum of 32°C (89°F). However, September experiences slightly less precipitation, receiving 26 mm (1.0 in) over 7 days, compared to August's 27 mm (1.0 in) over 8 days. Humidity remains relatively consistent, with September at 82% and August slightly higher at 83%. For more detailed insights into August's weather, you can check Waipio weather in August.
In September, the weather is characterized by warm temperatures, with a minimum of 21°C (71°F), an average of 26°C (80°F), and a maximum of 32°C (89°F). The month experiences relatively low precipitation, totaling 26 mm (1.0 in) over about 7 days, and humidity is quite high at 82%. In contrast, October sees similar temperatures, maintaining a minimum of 21°C (69°F) and an average of 26°C (78°F), but with a slightly lower maximum of 31°C (88°F). However, October is noticeably wetter, with precipitation reaching 57 mm (2.2 in) across 11 days, while humidity remains steady at 81%. For more details, you can check Waipio weather in October.
In September, the weather is typically warmer, with average temperatures reaching around 26°C (80°F) and daily highs peaking at 32°C (89°F). Humidity remains high at 82%, and the month experiences about 26 mm (1.0 in) of rainfall over approximately 7 days. In contrast, November sees a slight decrease in temperature, with an average of 24°C (76°F) and maximums around 30°C (86°F). While humidity levels drop slightly to 80%, November experiences increased precipitation, totaling 32 mm (1.3 in) over 12 days. For a detailed look at the weather in November, you can visit Waipio weather in November.
In comparing the weather between September and December, it’s evident that September is generally warmer, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 32°C (89°F). The average temperature in September sits at 26°C (80°F), accompanied by high humidity levels of 82% and relatively low precipitation totaling 26 mm (1.0 in) over 7 days. In contrast, December offers cooler conditions, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F) and an average of 23°C (74°F). However, December sees increased rainfall, with 79 mm (3.1 in) falling over 12 days, and slightly lower humidity at 79%. For more detailed insights on winter weather, visit Waipio weather in December.
As September unfolds in Waipio, the weather takes on a warm, tropical character that serves as a delightful transition from the summer heat. With average temperatures hovering around a pleasant 26°C (80°F), the month experiences a slight cool down compared to the sweltering peaks of summer, making outdoor adventures even more enjoyable. Although precipitation does make a brief appearance with about 26 mm (1.0 in) spread over just 7 days, the humidity remains high at 82%, adding a typical tropical feel. Overall, September showcases a harmonious blend of warmth and moisture, inviting both residents and visitors to enjoy its unique charm. For a deeper understanding of the area's weather patterns, visit Waipio Climate.