September Weather in Makaha Valley, United States

Last updated: February 24, 2025

September weather in Makaha Valley, United States showcases a delightful tropical climate, with maximum temperatures reaching 29°C (84°F) and an average of 26°C (79°F), ensuring warm days filled with sunshine. The minimum temperature hovers around 23°C (74°F), providing comfortable, pleasant evenings. Throughout the month, precipitation amounts to only 13 mm (0.5 in) over 3 days, resulting in a largely dry atmosphere complemented by a relatively high humidity level of 82%. This combination of warmth and tropical moisture creates an inviting environment, ideal for outdoor activities and enjoying the natural beauty of the valley.

September Temperature in Makaha Valley

In September, Makaha Valley experiences warm and inviting temperatures, with minimums hovering around 23°C (74°F) and maximums reaching up to 29°C (84°F). The average temperature for the month settles comfortably at 26°C (79°F), marking it as one of the warmer times of the year. This consistency from August continues, as temperatures remain steady and enjoyable, making September an appealing choice for outdoor activities and soaking up the sun. As the fall approaches, the warmth lingers, providing a smooth transition into the cooler months ahead, while still offering days filled with tropical vibrance and mild evening breezes.

September Weather in Makaha Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Makaha Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737272737577787878777674
Data source: Temperature data for Makaha Valley generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Makaha Valley

September marks a subtle transition in Makaha Valley's precipitation patterns, with a total rainfall of 13 mm (0.5 in) over 3 days. This slight uptick reflects a continuation of the drier conditions experienced during the summer months, yet it hints at the impending wetter season. As the region shifts away from the summer's peak dryness, September's precipitation is modestly higher than July and August, but still remains significantly below the upcoming months. Notably, October is expected to bring a more substantial increase in rainfall, transitioning the valley towards its wetter months, where an average of 44 mm (1.7 in) typically pours down over 6 days. This gradual rise in rain lays the groundwork for the lush greenery that characterizes Makaha Valley in the latter part of the year.

September Precipitation Trends in Makaha Valley

The chart displays monthly precipitation patterns in Makaha Valley, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec14746526203671113442177
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Makaha Valley

In September, Makaha Valley experiences a humidity level of 82%, maintaining a consistent pattern seen over the summer months. Following a gradual rise from 78% in January to 83% in both July and August, the humidity begins to slightly recede as the year progresses into autumn. This dip to 82% signals a shift from the peak summer humidity, reflecting the region's subtropical climate. Overall, the trend indicates that while September is still fairly humid, the leisurely transition into the fall months fosters a more moderate atmosphere, paving the way for the upcoming seasonal changes.

September Average Humidity in Makaha Valley

This chart illustrates the average monthly humidity levels in Makaha Valley, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%78%81%82%82%83%83%82%81%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Makaha Valley

As September graces Makaha Valley, the UV Index remains at a striking 12, categorizing it as extreme and calling for heightened sun safety measures. This trend of elevated UV levels has persisted through the summer months, with July and August peaking at 13. Even as we transition into autumn, the burn time stays alarmingly short at just 10 minutes, a reminder of the powerful Hawaiian sun. With previous months exhibiting similarly high indices, it's clear that year-round vigilance is necessary for both locals and visitors. For those planning outdoor activities, be sure to stay informed and take precautions. Discover more insights on the UV Index in Makaha Valley here.

Maximum UV Index Levels in Makaha Valley for September

The chart shows the monthly maximum UV Index (UVI) for Makaha Valley in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810111212121313121187
Data source: Makaha Valley September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Makaha Valley

In September, Makaha Valley experiences a delightful embrace of sunshine, with 317 hours of sunlight gracing the landscape. This month marks a slight dip from the peak of summer, yet it still showcases a remarkable abundance of light, contrasting the winter months ahead. From January to May, the valley steadily emerges from the shadows of winter, culminating in the sun-drenched days of July and August, which boast stellar hours of 348 and 337 respectively. As autumn approaches, September’s generous sunshine serves as a gentle reminder of the warm summer days, before the daylight gradually recedes into the cooler, rainier months of October and November. Overall, September stands out as a vibrant transition, where the lingering warmth of summer mingles with the promise of fall.

Monthly Sunshine Duration in Makaha Valley: September Highlighted

The September sunshine duration represents the total number of hours Makaha Valley experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec215h252h284h306h337h337h348h337h317h299h271h249h
Data source: Makaha Valley September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Makaha Valley During September

In Makaha Valley, September offers a delightful balance of sunshine and pleasant weather, with a 65% chance of clear skies. Following a robust August, which boasts the highest probability of sunny days at 70%, September maintains this positive trend, falling just slightly behind. As summer transitions into fall, residents and visitors can expect a favorable mix of sun while enjoying the island's natural beauty. This slight dip from summer months still keeps September among the more luminous months of the year, making it an ideal time for outdoor activities and soaking up the sun.

Percentage of Sunny Days in September in Makaha Valley

The chart illustrates the percentage of sunny days in Makaha Valley throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Makaha Valley experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%62%52%63%68%64%52%70%66%67%61%41%
Data source: Makaha Valley September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Makaha Valley in September

As summer transitions into fall in Makaha Valley, September enjoys a comforting 12 hours of daylight, a figure that mirrors the preceding months of April and August. This duration signals the tail end of the sun-soaked season, as daylight steadily diminishes from the peak of 13 hours seen in May through July. While the length of daylight remains stable in September, the upcoming months will usher in a gradual decline, with October and November each offering 11 hours. This rhythmic ebb and flow of sunlight illustrates the cyclical nature of the seasons, inviting residents and visitors alike to savor the vibrant hues of late summer before the serene embrace of autumn takes hold.

Average Daylight Hours in Makaha Valley for September

The chart illustrates the variation in daylight duration in Makaha Valley throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 58m11h 26m12h 2m12h 39m13h 9m13h 24m13h 16m12h 48m12h 13m11h 36m11h 5m10h 50m
Data source: Makaha Valley daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Makaha Valley

In September, the winds of Makaha Valley experience a gentle uptick, averaging around 5.9 m/s (13 mph), just shy of the summer highs. This month acts as a transitional period, bridging the breezy summer months with the onset of a cooler autumn. Despite the slight drop in speed from July’s peak of 6.6 m/s (15 mph), September maintains a refreshing dynamism that is a hallmark of the valley. As average wind speeds fluctuate throughout the year, September stands out with consistent winds that invite both locals and visitors to embrace the stunning landscapes and outdoor activities. Overall, the rhythm of the wind throughout the year suggests a dance of seasons, with September gracefully easing into the latter part of the year.

Average September Wind Speed in Makaha Valley

The chart displays monthly wind speed patterns in Makaha Valley, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.15.66.35.45.25.06.65.85.9 m/s6.24.26.1
Data source: Makaha Valley September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Makaha Valley Compares to Other Months

The weather in Makaha Valley 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 Makaha Valley and find detailed weather information for every month.

September weather tends to be warmer compared to January, with average temperatures reaching around 26°C (79°F) and a maximum of 29°C (84°F). The humidity in September is notably high at 82%, contributing to a tropical feel with occasional rainfall over three days. In contrast, January offers slightly cooler temperatures, with averages of 23°C (73°F) and a maximum of 25°C (78°F). This month experiences marginally lower humidity at 78% and similar precipitation levels, with rain expected for about two days. For more detailed information, you can check Makaha Valley weather in January.

September and February present contrasting weather patterns. In September, temperatures are generally warmer, with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum of 29°C (84°F). The month is relatively dry, receiving only 13 mm (0.5 in) of precipitation over about 3 days, alongside a higher humidity level of 82%. In comparison, February experiences cooler temperatures, with a minimum of 17°C (62°F), an average of 22°C (72°F), and a maximum of 26°C (78°F). This month is significantly wetter, with 74 mm (2.9 in) of rainfall spread over 10 days and slightly lower humidity at 79%. For more specific insights about February weather in this region, you can refer to Makaha Valley weather in February.

In comparing the weather between September and March, September typically enjoys warmer temperatures, with a minimum of 23°C (74°F) and an average of 26°C (79°F), peaking at 29°C (84°F). This month experiences relatively low precipitation, averaging just 13 mm (0.5 in) over about 3 days, along with a high humidity level of 82%. In contrast, March features cooler temperatures with a minimum of 18°C (65°F), average of 22°C (72°F), and a maximum of 26°C (79°F). However, it sees significantly more rainfall, with 65 mm (2.5 in) spread over 7 days, and a marginally lower humidity of 78%. For more detailed information, check out Makaha Valley weather in March.

In comparing the weather patterns of September and April, September tends to be warmer, with minimum temperatures around 23°C (74°F) and maximums reaching up to 29°C (84°F). In contrast, April experiences cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 26°C (79°F). Additionally, September sees less precipitation, with only 13 mm (0.5 in) falling over about 3 days, while April receives more rain, totaling 26 mm (1.0 in) across approximately 6 days. Despite these differences, both months maintain a similar level of humidity, hovering around 81-82%. For more details on April weather, you can visit Makaha Valley weather in April.

In comparing the weather of September and May, September features warmer temperatures with a minimum of 23°C (74°F) and an average of 26°C (79°F), while May starts slightly cooler with a minimum of 19°C (67°F) and an average of 24°C (75°F). Both months see similar humidity levels at 82%, but September records slightly less precipitation at 13 mm (0.5 in) over 3 days, compared to May's 20 mm (0.8 in) over the same number of days. This makes September generally feel warmer and drier than May. For more detailed weather information, you can check Makaha Valley weather in May.

In comparing the weather of September and June, both months experience relatively warm temperatures, with September slightly edging out June in terms of averages; September records a minimum of 23°C (74°F) and an average of 26°C (79°F), while June has a minimum of 22°C (72°F) and an average of 25°C (77°F). However, June experiences more rainfall, totaling 36 mm (1.4 in) over 2 days compared to September's 13 mm (0.5 in) over 3 days. Despite this difference in precipitation, both months maintain similar humidity levels at 82%. For a detailed look at June weather specifics, you can visit Makaha Valley weather in June.

In September, the weather in Makaha Valley features slightly higher average temperatures, with lows of 23°C (74°F) and highs reaching up to 29°C (84°F), compared to July, which has similar minimum temperatures but slightly lower maximums of 28°C (83°F). September experiences a bit more rainfall, totaling 13 mm (0.5 in) over three days, while July sees just 7 mm (0.3 in) over one day. Both months maintain high humidity levels, with September at 82% and July a touch higher at 83%. For a more detailed look at July's conditions, check out Makaha Valley weather in July.

In September, the weather remains quite similar to August, with both months showcasing a minimum temperature of 23°C (74°F), an average of 26°C (79°F), and a maximum of 29°C (84°F). Precipitation increases slightly in September to 13 mm (0.5 in) over three days, compared to 11 mm (0.5 in) over two days in August. Humidity levels taper off slightly in September at 82%, compared to 83% in August, indicating a marginally drier feeling as summer transitions to autumn. For a closer look at August conditions, check out Makaha Valley weather in August.

In comparing the weather of September and October, we see a slight decrease in temperatures across the board. September boasts a minimum temperature of 23°C (74°F) with an average of 26°C (79°F) and a maximum of 29°C (84°F), while October presents a slightly cooler minimum of 22°C (72°F) and an average of 25°C (78°F) with a maximum of 28°C (83°F). Precipitation levels rise significantly in October, totaling 44 mm (1.7 in) over six days, compared to September's 13 mm (0.5 in) over just three days. Humidity levels remain relatively stable, with September at 82% and October at 81%. For more detailed insights, check out Makaha Valley weather in October.

In September, temperatures in Makaha Valley typically range from a minimum of 23°C (74°F) to a maximum of 29°C (84°F), with an average of 26°C (79°F). The month experiences relatively low precipitation, only 13 mm (0.5 in) over about 3 days, and humidity levels are high at 82%. In contrast, November sees slightly cooler temperatures, with a minimum of 21°C (69°F) and a maximum of 27°C (82°F), averaging 24°C (76°F). However, it is wetter, recording 21 mm (0.8 in) over 5 days, while maintaining a humidity of 80%. For more details on November weather, check out Makaha Valley weather in November.

In September, the weather is warmer with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (84°F) and an average of 26°C (79°F). The month sees minimal precipitation, averaging just 13 mm (0.5 in) over 3 days, while humidity remains high at 82%. In contrast, December brings slightly cooler temperatures, with temperatures ranging from 18°C (65°F) to a maximum of 27°C (80°F) and an average of 23°C (74°F). However, December is much wetter, with total precipitation reaching 77 mm (3.0 in) over 5 days and humidity lowering slightly to 79%. For more detailed information, you can check the Makaha Valley weather in December.

Compare Makaha Valley's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Makaha Valley

In September, Makaha Valley experiences a moderate transition in weather, with temperatures generally hovering around a comfortable 26°C (79°F). This month marks a slight uptick in humidity, averaging 82%, creating a lush, tropical feel. While short bursts of rainfall, averaging 13 mm over just three days, occasionally refresh the landscape, it remains drier compared to the peak of the rainy season. Unlike the hotter summer months, September offers a harmonious blend of warmth and tranquility, making it an excellent time for outdoor activities. For more detailed insights into the seasonal variations, check out Makaha Valley Climate.