Last updated: February 24, 2025
In Kaneohe, United States, September showcases a warm, tropical climate characterized by average temperatures around 26°C (79°F), peaking at a maximum of 29°C (85°F) and dipping to a comfortable minimum of 22°C (72°F). The month sees humidity levels soaring to 82%, contributing to a lush environment. However, expect some rain, as precipitation totals 37 mm (1.5 in) over approximately 12 rainy days. This blend of warmth and moisture creates a vibrant atmosphere, making September a unique time to experience the beauty of Kaneohe.
In Kaneohe, United States, September marks the transition into autumn, yet the temperatures remain remarkably warm. With minimums around 22°C (72°F) and maximums peaking at 29°C (85°F), the month retains the summer's lingering warmth. The average temperature hovers around 26°C (79°F), mirroring the pleasant conditions of August, suggesting a slow decline as the year progresses. As the days grow shorter, the mild evenings provide a welcome respite, keeping the island's tropical charm alive. This consistent warmth throughout late summer into early fall reflects Kaneohe's tropical climate, offering a perfect backdrop for outdoor activities and scenic explorations before the cooler months arrive.
In September, Kaneohe experiences a moderate precipitation level of 37 mm (1.5 in), marking a slight decrease from the previous month. With rainfall occurring over 12 days, the pattern of rainfall remains consistent with the late summer months, providing a refreshing transition as the region heads into autumn. Notably, the rainfall in September is less than the heavier downpours witnessed in March and February, but it holds steady compared to July and August. This trend of moderate rainfall suggests that Kaneohe benefits from manageable wet conditions, which contribute to the vibrant local ecosystem, while still allowing for abundant dry days as the year progresses.
In September, Kaneohe experiences a humidity level of 82%, maintaining the tropical feel characteristic of this picturesque locale. As the year progresses, humidity gradually rises from 78% in January to a peak of 83% in both July and August, before slightly decreasing in the fall months. This trend indicates that the warm, humid conditions are typical during the summer, tapering off as autumn approaches. Overall, while September is marked by the lingering warmth of summer, it offers a hint of relief as humidity levels begin to stabilize, hovering around the lower 80s.
In September, Kaneohe experiences a UV Index of 12, landing in the extreme exposure category with a burn time of just 10 minutes. This is a continuation of the intense sun conditions seen throughout the summer months, where UV levels peaked at 13 in June, July, and August. As fall approaches, there is a slight decrease in the UV Index, but precautions remain crucial to avoid skin damage. The pattern in Kaneohe clearly shows that from March through September, residents and visitors should remain vigilant as the sun's rays are particularly potent. For more details on the UV Index and related safety tips, check out Kaneohe UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Kaneohe embraces a bounty of sunshine, with 319 hours of radiant light. This month reflects a slight dip from the sun-soaked peak of July, which boasts an impressive 349 hours, yet still offers ample warmth and brightness. The trend throughout the year reveals a vibrant buildup of sunshine, starting from 219 hours in January and peaking in mid-summer before gradually tapering off. With consistent sunshine hours throughout the autumn months, September serves as a reminder of the lingering summer essence, making it a delightful time for outdoor activities and soaking in the picturesque Hawaiian landscapes.
In September, Kaneohe enjoys a 59% chance of sunny weather, reflecting a favorable outlook as summer transitions into fall. This percentage aligns closely with the sunshine opportunities of the preceding months, particularly August, which boasts an appealing 63% likelihood. September’s sunny disposition is part of a broader trend, where the region typically enjoys its highest chances of clear skies in late spring and early summer, peaking in May at 64%. While the sunny days begin to taper off as autumn approaches, September remains a bright moment in Kaneohe's climate calendar, promising plenty of opportunities to relish the outdoors before the clouds of winter roll in.
As September unfolds in Kaneohe, the days begin to gradually shorten, offering approximately 12 hours of daylight. This continuation of the 12-hour mark, seen in the months of March, April, and August, highlights a seasonal rhythm where daylight begins its subtle transition towards the cooler months ahead. Following a vibrant summer filled with consistent 13-hour days, the slight decrease reminds us of the approaching autumnal shift. Overall, September serves as a gentle bridge between the longer days of summer and the shorter daylight hours of fall, inviting residents to cherish the lingering light while preparing for the seasonal changes to come.
As we transition into September in Kaneohe, the winds begin to pick up, averaging 6.1 m/s (14 mph), matching the breezy tempo of the preceding and following months. This slight resurgence in wind speed can be seen as a continuation of the summer's lively conditions, where July recorded the highest average at 7.0 m/s (16 mph). The overall trend throughout the year illustrates a robust wind presence during the warmer months, with a noticeable dip in November, which plummets to an average of 4.1 m/s (9 mph). Following this seasonal pattern, September stands as a bridge, blending the vibrant summer breezes with the calmer winds of the forthcoming autumn, making it an enticing time for outdoor activities against Kaneohe's picturesque backdrop.
The weather in Kaneohe 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 Kaneohe and find detailed weather information for every month.
In comparison to September, January typically features slightly cooler temperatures with a minimum of 19°C (67°F) and an average of 23°C (73°F), contrasting with September's warmer minimum of 22°C (72°F) and an average of 26°C (79°F). Both months experience relatively mild weather, but September tends to be a bit more humid at 82%, while January's humidity is slightly lower at 78%. Precipitation is also similar, with January receiving 34 mm (1.3 in) over 9 days compared to September's 37 mm (1.5 in) over 12 days. For more specific details, you can check Kaneohe weather in January.
In comparing the weather between September and February, September generally enjoys warmer temperatures, with daily averages around 26°C (79°F) and maximums reaching up to 29°C (85°F). In contrast, February experiences cooler conditions, with average temperatures of 22°C (72°F) and maximums peaking at 26°C (79°F). While September sees less rainfall with approximately 37 mm (1.5 in) over about 12 days, February tends to be wetter, receiving around 82 mm (3.2 in) over 14 days. Humidity levels are relatively high in both months, but September is slightly more humid at 82%, while February sits at 79%. For a closer look at Kaneohe's weather in February, you can visit this link: Kaneohe weather in February.
In comparing the weather of September and March, September generally offers warmer temperatures, with averages around 26°C (79°F) and maximums reaching 29°C (85°F). Meanwhile, March has slightly cooler conditions, averaging 22°C (73°F) with highs of 27°C (81°F). However, March experiences significantly more rainfall, with about 89 mm (3.5 in) falling over 16 days, compared to September's 37 mm (1.5 in) over 12 days. Additionally, while both months have relatively high humidity, September's level is a bit higher at 82% compared to March's 78%. For a detailed look at weather conditions specifically in Kaneohe during March, you can refer to Kaneohe weather in March.
When comparing September and April weather, September generally offers warmer temperatures, with a minimum of 22°C (72°F) and an average of 26°C (79°F), compared to April's minimum of 19°C (66°F) and average of 23°C (74°F). Both months experience moderate humidity, with September slightly higher at 82% versus April's 81%. Additionally, April tends to have more precipitation, recording 51 mm (2.0 in) across 13 days, while September sees less rain at 37 mm (1.5 in) over 12 days. For more detailed information, you can visit Kaneohe weather in April.
When comparing the weather in September to that of May, September tends to be slightly warmer, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), while May’s temperatures start at a minimum of 18°C (65°F) and peak at 28°C (82°F). Both months feature high humidity levels at 82%, contributing to a tropical feel. However, September receives less precipitation (37 mm or 1.5 in) over about 12 rainy days, compared to May's 44 mm (1.7 in) over 13 days. For more specific insights on May weather, you can refer to Kaneohe weather in May.
In comparing the weather between September and June, both months enjoy warm temperatures, with a minimum of 22°C (72°F) and average temperatures slightly cooler in June at 25°C (77°F) compared to 26°C (79°F) in September. The maximum temperatures are also similar, with September peaking at 29°C (85°F) and June at 28°C (83°F). However, September experiences less precipitation with 37 mm (1.5 in) over 12 days, while June sees more rain at 56 mm (2.2 in) across 11 days. Notably, both months share the same high humidity of 82%, contributing to a consistently muggy atmosphere. For more detailed information, you can check out Kaneohe weather in June.
In comparison to July, September experiences slightly warmer average temperatures, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 29°C (85°F). July has similar minimum and average temperatures but peaks at a slightly lower maximum of 28°C (83°F). Both months show comparable precipitation levels, with September receiving 37 mm (1.5 in) over 12 days, while July sees a marginally higher 39 mm (1.5 in) across 16 days. Humidity remains relatively consistent, with September at 82% and July at 83%, making both months quite humid. For more specifics, you can check out the Kaneohe weather in July.
In comparing the weather of September and August, we see some subtle differences. September experiences slightly warmer minimum temperatures, averaging at 22°C (72°F), compared to August's 23°C (73°F). Both months have the same average temperature of 26°C (79°F) and maximum temperature of 29°C (85°F). However, September has slightly less precipitation, totaling 37 mm (1.5 in) over 12 days, while August has 41 mm (1.6 in) during the same number of days. Humidity levels remain similar, with September at 82% and August at 83%. For more details on August conditions, you can visit Kaneohe weather in August.
In September, the weather features warm temperatures with a minimum of 22°C (72°F) and an average of 26°C (79°F), peaking at a maximum of 29°C (85°F). The month sees relatively low precipitation, totaling 37 mm (1.5 in) over 12 days, while humidity remains high at 82%. In contrast, October's weather exhibits slightly cooler averages, with temperatures ranging from 22°C (72°F) to a maximum of 29°C (84°F), averaging 25°C (78°F). However, October experiences increased rainfall, with 66 mm (2.6 in) of precipitation over 15 days, and humidity remains similar at 81%. For more detailed information, you can check the Kaneohe weather in October.
In September, temperatures are slightly warmer, with a minimum of 22°C (72°F) and an average of 26°C (79°F), while November sees a slightly cooler minimum of 20°C (69°F) and an average of 25°C (76°F). Both months experience a maximum temperature of 29°C (84°F), but November tends to bring more rain, with 48 mm (1.9 in) of precipitation over 16 days compared to September's 37 mm (1.5 in) over 12 days. Humidity levels are fairly consistent, with September at 82% and November slightly lower at 80%. For more details on November weather, check out Kaneohe weather in November.
In September, the weather is warm with average temperatures around 26°C (79°F), peaking at 29°C (85°F), while December experiences slightly cooler conditions, with average temperatures of 23°C (74°F) and a maximum of 27°C (81°F). September brings about 37 mm (1.5 in) of precipitation over 12 days, whereas December is wetter, with 87 mm (3.4 in) of rain spread across 16 days. Despite this increase in rainfall, December maintains a lower humidity level at 79%, compared to September's 82%. For more details on December weather, you can check Kaneohe weather in December.
As September unfolds in Kaneohe, the weather showcases a delightful blend of warmth and moisture, distinguishing it from the preceding summer months. With average temperatures hovering around a comfortable 26°C (79°F), the days are pleasantly warm, while nights offer a mild reprieve. The notable humidity of 82% adds a tropical charm, but it is the precipitation, with about 37 mm over 12 days, that ushers in the season's transition, hinting at the changes to come. This month serves as a bridge between the drier summer and the wetter autumn, making it an ideal time to experience the lush landscapes of Kaneohe. For more insights on what to expect throughout the year, explore the comprehensive details at Kaneohe Climate.