Last updated: August 21, 2025
In September, Ginowan, Japan, experiences a warm subtropical climate characterized by an average temperature of 28°C (82°F), reaching a maximum of 30°C (87°F) and dipping to a minimum of 24°C (75°F). The month is marked by significant humidity, averaging 82%, and substantial rainfall, with a total precipitation of 253 mm (10.0 in) over 19 days. This wet season invites lush greenery while offering a unique blend of warmth and moisture, making it a vibrant time to explore the natural beauty of Ginowan.
In September, Ginowan, Japan, experiences a pleasant transition into autumn, with temperatures remaining warm and inviting. The minimum temperature holds at a comfortable 24°C (75°F), while the average climbs to a balmy 28°C (82°F), peaking at a maximum of 30°C (87°F). This consistent warmth marks September as a lingering summer month, reminiscent of the preceding hot July and August. As the humidity begins to ease slightly, the overall feel is that of a tropical paradise, perfect for enjoying the outdoors before the cooler October air settles in. This time of year beautifully bridges the vibrant summer heat and the gentle onset of fall, making it an ideal period for visitors and locals alike to relish Ginowan's stunning natural beauty.
September in Ginowan, Japan, marks a significant peak in precipitation, with an impressive 253 mm (10.0 in) of rainfall over 19 days. This month not only showcases the culmination of the summer rainy season but also serves as a precursor to the drier months ahead. Following the heavy rains of June and July, which recorded 302 mm and 192 mm respectively, September's rainfall stands out as one of the wettest months of the year, underscoring a clear trend of abundant moisture as summer transitions to fall. Despite the relatively high number of rainy days, the rain often falls in intense bursts, offering residents brief but refreshing relief from the heat. As October approaches, the precipitation decreases significantly to 160 mm, further solidifying September's position as a pivotal month in Ginowan's climate calendar.
In Ginowan, Japan, the humidity levels rise significantly as the year progresses, peaking in the summer months. September maintains a high humidity of 82%, echoing the moisture-rich August before it. This trend towards increased humidity is evident from the early months of the year, with January and February recording a more moderate 71%. The gradual climb continues through spring, with April and May seeing noticeable increases as the weather warms. The culmination of this pattern occurs in the sweltering summer months of June and July, where humidity hovers at a high 86%. As September arrives, while humidity begins to taper slightly, it remains elevated, setting the stage for a humid autumn in this coastal city.
In September, Ginowan, Japan, experiences a UV Index of 12, categorized as extreme, with a burn time of just 10 minutes under direct sunlight. This marks a slight decline from the peak of 13 seen over the summer months, yet the intensity remains notably high, emphasizing the importance of sun protection. As autumn approaches, the UV Index begins to taper off, transitioning to 10 in October, but the lingering summer effects still demand caution for outdoor activities. Overall, the trends from January to September reveal consistent high UV exposure, particularly during the summer, making it essential for residents and visitors alike to stay vigilant. For more detailed information, you can check the Ginowan UV Index.
UV Risk Categories
As the summer draws to a close, September shines brightly in Ginowan, Japan, boasting an impressive 295 hours of sunshine. This month serves as a magnificent transition, still basking in the glow of vibrant August, which recorded a peak 319 hours. The trend of abundant sunshine highlights the lingering warmth of summer, making September a delightful time for outdoor activities. Following a seasonal crescendo, the hours of sunshine begin to taper off into the autumn months, with October bringing 274 hours. Overall, this pattern emphasizes Ginowan's reputation for abundant sunlight, particularly during the summer, creating a perfect backdrop for island life and community celebrations.
In Ginowan, Japan, September marks a notable shift in weather patterns, boasting a 59% chance of sunny days. This is a significant increase compared to the preceding months, where sunshine is scarce, especially in June with only a 9% chance. Following the summer heat, which sees a 30% likelihood of sun in July and August, September offers the first real promise of consistent sunshine as the season transitions into autumn. This upward trend continues into October, maintaining a healthy 51% chance of sunny weather. Thus, September emerges as a prime time for outdoor activities, inviting residents and visitors alike to enjoy the vibrant skies of Ginowan before the cooler months arrive.
In Ginowan, Japan, the rhythm of daylight unfolds beautifully throughout the year. September, with its 12 hours of daylight, marks a gentle transition from the long, sun-kissed days of summer to the more subdued illumination of fall. While the peak of summer shines down with consistent 13 hours of daylight from May to August, a gradual dimming begins as the days shorten into October, which sees a reduction to 11 hours. This cyclical dance of light showcases the subtle shift in seasons, inviting residents and visitors alike to embrace the lingering warmth of the sun before welcoming the cozy hues of autumn.
September in Ginowan, Japan, ushers in a gentle breeze, with an average wind speed of 5.4 m/s (12 mph). This marks a noticeable decline from the more robust winds of summer, as July and August boast higher speeds of 7.5 m/s (17 mph) and 6.9 m/s (15 mph), respectively. The transition to autumn is evident as the winds soften, creating a tranquil atmosphere perfect for outdoor activities. Following September, the wind picks up again, with October and November both returning to 7.9 m/s (18 mph), suggesting a seasonal rhythm that balances gentler gusts with stronger currents.
Weather in Ginowan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ginowan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a stark contrast in weather conditions. In September, temperatures are quite warm, with a minimum of 24°C (75°F) and an average of 28°C (82°F), peaking at 30°C (87°F). This month also experiences significant rainfall, totaling 253 mm (10.0 in) over 19 days, combined with high humidity levels of 82%. In contrast, January is much cooler, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 24°C (75°F), and an average of 19°C (66°F). Precipitation decreases substantially to 91 mm (3.6 in) over just 11 days and humidity levels are lower at 71%. For more detailed information on January weather conditions, you can check Ginowan weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 30°C (87°F), with an average temperature of 28°C (82°F). The month also experiences high humidity at 82% and significant rainfall, totaling 253 mm (10.0 in) over 19 days. In stark contrast, February sees much cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 24°C (76°F), averaging 19°C (66°F). Precipitation is significantly lower at 97 mm (3.8 in) across 12 days, and humidity sits at 71%. For a closer look at what February has to offer, check out Ginowan weather in February.
When comparing the weather in September and March, notable differences emerge. September tends to be substantially warmer, with average temperatures around 28°C (82°F) and maximums reaching up to 30°C (87°F), while March offers cooler conditions with average temperatures of 20°C (68°F) and maximums of 24°C (76°F). Additionally, September is much wetter, experiencing 253 mm (10.0 in) of rainfall over 19 days, compared to March's lighter precipitation of 107 mm (4.2 in) over just 11 days. Humidity is also higher in September at 82%, compared to 76% in March. For more information about March weather, you can refer to Ginowan weather in March.
When comparing the weather in September and April, notable differences emerge. September features higher temperatures, with a minimum of 24°C (75°F) and an average of 28°C (82°F), peaking at 30°C (87°F). In contrast, April sees cooler temperatures, ranging from a minimum of 15°C (60°F) to a maximum of 26°C (79°F), with an average of 21°C (71°F). Additionally, September experiences significantly higher precipitation of 253 mm (10.0 in) over 19 days, compared to April's 137 mm (5.4 in) over just 11 days. Interestingly, both months share the same humidity level of 82%. For more details, you can check out the Ginowan weather in April.
In September, the weather presents a warmer profile with average temperatures reaching 28°C (82°F), peaking at 30°C (87°F), while May experiences slightly cooler conditions, averaging 24°C (76°F) with a maximum of 27°C (82°F). Precipitation levels in September are notably higher, with 253 mm (10.0 in) spread across 19 days, compared to May's 208 mm (8.2 in) over just 12 days. Humidity remains relatively high in both months, with September at 82% and May slightly higher at 84%. For more details on the specifics of May weather, you can refer to Ginowan weather in May.
When comparing the weather in September and June, September boasts slightly warmer average temperatures, with a minimum of 24°C (75°F) and a max of 30°C (87°F), compared to June's range of 21°C (70°F) to 29°C (84°F). However, June experiences more precipitation at 302 mm (11.9 in) over 19 days, while September receives 253 mm (10.0 in) under the same number of rainy days. Humidity levels remain high in both months, with September at 82% and June slightly higher at 86%. For more details on June weather, you can check Ginowan weather in June.
In comparing the weather of September and July, both months exhibit similar average temperatures, hovering around 28°C (82°F). However, September tends to be slightly cooler with a minimum temperature of 24°C (75°F), compared to July's minimum of 26°C (78°F). July experiences less rainfall, with 192 mm (7.6 in) over 13 days versus September's significant 253 mm (10.0 in) over 19 days. Additionally, humidity levels are a bit higher in July at 86%, compared to 82% in September. For more detailed weather information specific to July, you can check Ginowan weather in July.
In comparing the weather of September to August, both months exhibit similar temperature ranges, with September having slightly lower minimum temperatures at 24°C (75°F) compared to August's 26°C (78°F). The average temperatures remain consistent, hovering around 28°C (82°F), while maximum temperatures peak at 30°C (87°F) for both months. However, September experiences significantly higher precipitation at 253 mm (10.0 in) over 19 days, contrasted with August's 205 mm (8.1 in) across 17 days. Humidity levels stay constant at 82% for both months, contributing to the tropical feel typical of this region. For more detailed information on August weather patterns, you can visit Ginowan weather in August.
September and October show a noticeable transition in weather patterns. In September, the temperatures start warm, with minimums of 24°C (75°F) and averages around 28°C (82°F), peaking at 30°C (87°F). However, this month also brings significant rainfall, totaling 253 mm (10.0 in) over 19 days and high humidity levels at 82%. In contrast, October sees cooler temperatures with a minimum of 21°C (71°F) and an average of 26°C (79°F), and maximums reaching 29°C (84°F). Rainfall is less frequent in October, with only 160 mm (6.3 in) over 13 days and slightly lower humidity at 80%. For more detailed information, check out Ginowan weather in October.
September and November showcase a noticeable shift in weather patterns. In September, temperatures are warmer, with a minimum of 24°C (75°F) and an average of 28°C (82°F), peaking at 30°C (87°F). However, this month is also marked by high levels of rainfall, with 253 mm (10.0 in) of precipitation over 19 days and a humidity level of 82%.
In contrast, November brings cooler temperatures, with a minimum of 19°C (67°F), an average of 23°C (74°F), and a maximum of 27°C (80°F). It also sees a significant reduction in precipitation, with only 103 mm (4.1 in) over 11 days, and a slight drop in humidity to 79%. For more detailed insights, check out Ginowan weather in November.
September's weather is characterized by warm temperatures, with minimums of 24°C (75°F) and maximums reaching up to 30°C (87°F). The month is also quite humid, averaging around 82% humidity, and brings substantial rainfall, with 253 mm (10.0 in) spread over 19 days. In contrast, December experiences a cooler climate, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 25°C (78°F). Precipitation is lower at 188 mm (7.4 in) over 16 days, and the humidity also decreases to about 75%. For more details, you can check Ginowan weather in December.
As summer fades, September in Ginowan presents a unique blend of warmth and moisture that sets it apart from the preceding months. With temperatures averaging a comfortable 28°C, the lingering heat is complemented by high humidity levels, creating a vibrant yet steamy atmosphere. However, this month is also characterized by increased precipitation, as 19 days experience rain, leading to a significant 253 mm of water falling. This transitionary weather can often give rise to lush greenery, making it an ideal time for nature enthusiasts to explore the outdoors. If you want to learn more about how the climate affects Ginowan throughout the year, visit Ginowan Climate.