Last updated: August 21, 2025
Experience the tropical charm of Miyakojima, Japan in September, where temperatures typically reach a balmy maximum of 30°C (87°F) and an average of 28°C (83°F). The island enjoys warm days tempered by the gentle sea breeze, with a minimum temperature of 25°C (77°F). However, with 260 mm (10.3 in) of precipitation over about 17 days, visitors should be prepared for occasional rain, which contributes to the island's lush landscape. Humidity levels hover around 83%, enhancing the tropical atmosphere. Whether you're soaking up the sun or exploring the vibrant surroundings, September in Miyakojima promises a captivating experience amidst the natural beauty.
In September, Miyakojima, Japan experiences a warm transition from the peak of summer to the onset of autumn. With minimum temperatures settling at 25°C (77°F) and averages reaching 28°C (83°F), the island remains cozy and inviting. This month marks a slight dip from the sizzling heat of August, yet the maximum temperature still holds steady at a balmy 30°C (87°F). As the humidity begins to ease, the pleasant warmth allows for continued outdoor adventures and beach relaxation, demonstrating that September is a delightful time to enjoy the vibrant natural beauty of Miyakojima.
In September, Miyakojima experiences a significant amount of rainfall, with 260 mm (10.3 in) collected over approximately 17 rainy days. This places September as one of the wetter months of the year, following the peak precipitation seen in August. The trend reveals a gradual increase in rainfall from June through September, highlighting the island's monsoon-like climate during these months. As summer transitions into fall, the high humidity and frequent showers continue to nourish the lush landscapes, making it a vibrant time for nature. The combination of warm temperatures and substantial rainfall creates an environment rich in biodiversity, attracting both locals and visitors to witness the beautifully saturated scenery.
In September, Miyakojima experiences a notable shift in its humidity levels, averaging 83%, which is slightly lower than the peak of 86% seen in June. Throughout the year, a clear upward trend is evident as humidity steadily rises from 73% in January and February to its highest in June. Following this peak, humidity remains relatively stable during the summer months, with September seeing a slight decline. This pattern suggests that while the air remains thick with moisture, the transition into autumn brings a refreshing softness, reflecting the dynamic climate of this tropical paradise.
September in Miyakojima, Japan, maintains the summer's intense UV Index, registering a consistent 13, which classifies it as extreme. This trend of high UV levels extends from May through September, showcasing a peak in solar exposure during these months. With a mere 10 minutes recommended burn time, it's crucial for visitors and residents alike to take precautions when spending time outdoors. As the month progresses, the UV Index begins to wane, ushering in a slight relief in October with a drop to 10, still categorized as very high. For those planning their sun safety, understanding these trends is key—stay informed by visiting Miyakojima UV Index.
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September in Miyakojima, Japan, basks in a generous 296 hours of sunshine, reflecting the island's enduring summer charm as it transitions into autumn. This month, while slightly lower than the sun-drenched July and August, still showcases an impressive amount of bright days, hinting at a delightful climate for beachgoers and outdoor enthusiasts alike. Following the peak summer months, September maintains a notable level of sunlight, embodying the island's captivating allure. As daylight hours begin to gradually decrease heading into October, the vibrant sunlit days of September serve as a gentle reminder of the balmy warmth that lingers before the cooler months set in.
In September, Miyakojima enjoys a notable increase in sunny weather, with a 60% chance of clear skies, making it one of the sunniest months of the year. This trend marks a significant shift from the earlier summer months, where chances of sunshine drop to single digits in June and hover around the low 30s in July and August. Following the summer's sporadic sun, September’s inviting weather creates the perfect opportunity for outdoor activities and exploration. As the month progresses into autumn, the likelihood of clear, sunny days remains higher than in both October and November, solidifying September as a prime time for sun-seekers in this beautiful part of Japan.
In Miyakojima, Japan, the daylight duration in September offers a delightful transition as summer gives way to autumn. With approximately 12 hours of sunshine, the days are still vibrant and warm, mirroring August's light. This month maintains a continuity of bright days, reflecting the peak of summer, yet hints at the gradual decline in daylight that will follow. As we look back over the year, it's clear that daylight hours increase steadily from 10 hours in January to a summer peak of 13 hours in the middle months, before gently tapering off in the fall. By September, the balance between light and dark begins its subtle shift, setting the stage for the cozy, shorter days of October.
In September, Miyakojima experiences a gentle breeze, with an average wind speed of 5.4 m/s (12 mph), marking a notable dip from the varied gusts of earlier months. This decrease is part of a seasonal trend, as the island transitions from the more robust winds of summer, peaking at 7.4 m/s (16 mph) in July and 6.4 m/s (14 mph) in August. After September, the winds pick up again in October to 8.2 m/s (18 mph) and continue their stride through the autumn months. This rhythm of wind speeds not only highlights the island's dynamic climate but also creates an inviting atmosphere for those seeking a serene escape as beachgoers enjoy the gentle caress of the September breeze.
Weather in Miyakojima varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Miyakojima, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase contrasting weather patterns. In September, temperatures are notably warmer, with a minimum of 25°C (77°F) and an average high of 30°C (87°F). This month also sees a high level of humidity at 83% and considerable rainfall, totaling 260 mm (10.3 in) over 17 days, contributing to a muggy atmosphere. In stark contrast, January offers a cooler climate with temperatures ranging from a minimum of 12°C (55°F) to an average of 20°C (68°F), peaking at 25°C (77°F). The precipitation is significantly lower in January, with only 90 mm (3.6 in) falling over 12 days and humidity dropping to a more comfortable 73%. For a deeper look into the specifics of January weather, you can refer to Miyakojima weather in January.
September and February present contrasting weather conditions. In September, temperatures are noticeably warmer, with daily averages around 28°C (83°F) and highs reaching up to 30°C (87°F). However, this heat is accompanied by significant rainfall, totaling 260 mm (10.3 in) over 17 days, leading to high humidity levels of 83%. In contrast, February offers a much cooler climate, with average temperatures of 20°C (68°F) and maximums hitting 24°C (76°F). Precipitation is also significantly lower at 74 mm (2.9 in) over 13 days, and humidity decreases to a more comfortable 73%. For more insights into the February weather, visit Miyakojima weather in February.
In comparing the weather of September and March, notable differences emerge. September typically experiences warmer temperatures, with a minimum of 25°C (77°F) and an average high of 30°C (87°F), while March sees cooler conditions, ranging from a minimum of 16°C (60°F) to a maximum of 25°C (78°F). Additionally, September is marked by higher humidity at 83% and significant rainfall, accumulating around 260 mm (10.3 in) over 17 days. In contrast, March has less precipitation, totaling 135 mm (5.3 in) spread over 13 days, and lower humidity at 77%. For a detailed look at the weather specifics in March, check out Miyakojima weather in March.
September and April present markedly different weather conditions. In September, temperatures range from a minimum of 25°C (77°F) to a maximum of 30°C (87°F), with an average of 28°C (83°F). The month is characterized by significant rainfall, totaling 260 mm (10.3 in) over approximately 17 days, contributing to high humidity levels of 83%. Conversely, April has cooler temperatures, with a minimum of 17°C (62°F) and a maximum of 27°C (81°F), averaging around 23°C (73°F). Precipitation is also less abundant, with 126 mm (5.0 in) spread over 12 days, while maintaining the same humidity level of 83%. For more detailed insights about April weather, you can visit Miyakojima weather in April.
In September, the weather is generally warmer than in May, with minimum temperatures around 25°C (77°F) and average highs reaching up to 30°C (87°F). The month is also significantly wetter, experiencing about 260 mm (10.3 in) of precipitation over 17 days, along with a humidity level of 83%. In contrast, May sees milder temperatures, with a minimum of 21°C (70°F) and an average maximum of 29°C (84°F). The rainfall in May is lighter, totaling 157 mm (6.2 in) across 14 days, while the humidity is slightly higher at 85%. For more detailed information, you can check out Miyakojima weather in May.
September and June present similar warm temperatures, with both months featuring an average high of around 30°C (86-87°F) and slightly varying minimum temperatures. September tends to be a bit more humid with an average humidity of 83%, compared to June's 86%. However, September receives slightly more rainfall, accumulating 260 mm (10.3 in) over 17 days, while June records 232 mm (9.2 in) across 18 days. This increased precipitation in September could make it feel more humid despite the similar temperature ranges. For a detailed look at June weather specifically, you can visit the following link: Miyakojima weather in June.
In comparing the weather between September and July, both months feature similar maximum temperatures of 30°C (87°F), but September generally experiences slightly cooler minimum temperatures, averaging around 25°C (77°F) compared to July's 27°C (80°F). Additionally, September sees more precipitation, with an average of 260 mm (10.3 in) over 17 days, while July has 221 mm (8.7 in) spread over 14 days. Humidity levels are fairly comparable, with September at 83% and July at 84%. For a detailed look at July's weather, you can check Miyakojima weather in July.
September and August share similar temperature ranges, with September having a slightly lower minimum temperature of 25°C compared to August's 26°C. Both months maintain an average and maximum temperature of 28°C and 30°C, respectively. However, September experiences a decrease in total precipitation, measuring 260 mm over 17 days, while August records 279 mm across 21 days. Humidity levels are comparable, with September at 83% and August at 82%. For more details on August weather conditions, you can check Miyakojima weather in August.
In comparing the weather between September and October, we see a noticeable decrease in temperature and precipitation. September tends to be warmer, with average temperatures around 28°C (83°F) and maximums reaching up to 30°C (87°F). In contrast, October sees average temperatures drop to 26°C (79°F), with a maximum of 29°C (85°F). Additionally, September experiences more rainfall, with 260 mm (10.3 in) falling over 17 days, while October has significantly less at 140 mm (5.5 in) over 15 days. Humidity remains relatively high in both months, with September at 83% and October slightly lower at 81%. For a closer look at October's unique weather patterns, you can visit Miyakojima weather in October.
In September, the weather is significantly warmer, with minimum temperatures around 25°C (77°F) and an average of 28°C (83°F), peaking at 30°C (87°F). This month also experiences heavy rainfall, totaling 260 mm (10.3 in) over 17 days, coupled with high humidity levels of 83%. In contrast, November sees a cooler climate, with minimum temperatures dropping to 20°C (68°F) and an average of 24°C (76°F), reaching a maximum of 26°C (80°F). Rainfall is notably less, with just 123 mm (4.9 in) occurring across 13 days, and humidity slightly decreasing to 81%. For more detailed information, you can check out Miyakojima weather in November.
In September, the weather is typically warm and humid, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 30°C (87°F) and an average of around 28°C (83°F). The month also sees significant precipitation, with about 260 mm (10.3 in) of rain over 17 days, contributing to the high humidity level of 83%.
In contrast, December brings a noticeable drop in temperatures, with a minimum of 14°C (58°F) and a maximum of 26°C (79°F), averaging 22°C (71°F). While the amount of precipitation decreases slightly to 229 mm (9.0 in), it still occurs over 18 days, and humidity levels also drop to 77%. This change marks a shift towards a cooler and less humid climate. For more details, check out Miyakojima weather in December.
As September rolls in, Miyakojima transforms under the warm embrace of an average temperature around 28°C (83°F), making it a delightful destination for those seeking tropical charm. While the humidity remains notably high at 83%, the ambient heat is softened by serene breezes, providing some relief from the sweltering summer months. However, this time of year also brings increased rainfall, with approximately 17 days of precipitation accumulating to about 260 mm (10.3 in). This contrast between warmth and occasional showers sets September apart from the peak summer, offering a unique blend of lush greenery and vibrant landscapes. For more insights into the weather patterns of this beautiful island, check out Miyakojima Climate.