Last updated: August 21, 2025
September in Miyanoura, Japan reveals a vibrant tapestry of weather characterized by warm temperatures and significant rainfall. The maximum daily temperature reaches an inviting 29°C (85°F), while the average hovers around a comfortable 26°C (80°F), with nighttime lows dipping to a mild 21°C (71°F). However, this month also witnesses considerable precipitation, accumulating to 271 mm (10.7 in) over approximately 20 days, accompanied by high humidity levels of 80%. The blend of warmth and frequent rain creates a lush, tropical feel, ideal for experiencing the area's natural beauty and cultural richness.
In September, Miyanoura, Japan transitions from the sweltering summer to more temperate conditions, with temperatures showing a subtle yet noticeable decline. The month begins with a mild minimum of 21°C (71°F) and reaches an average of 26°C (80°F), peaking at a warm 29°C (85°F). As the days gradually shorten, the warmth of August lingers slightly, but September marks the onset of cooler evenings, hinting at the approaching autumn. This period is characterized by a comfortable climate, perfect for outdoor exploration and appreciating the stunning landscapes as they begin to shift into their fall colors. With a blend of warmth and cooler breezes, September represents a delightful time to experience the natural beauty of Miyanoura.
In September, Miyanoura experiences a notable increase in precipitation, with an average of 271 mm (10.7 in) of rain falling over 20 days. This marks a transition from the summer months, where rainfall starts to wane, to a more humid and wet early autumn. The 19.1 mm deluge of June sets a significant benchmark for the yearly cycle; however, September’s totals maintain a robust flow, indicative of the lingering monsoon influence. While still substantial, September's rainfall is less than the peak seen in June, suggesting a gradual shift towards clearer skies. As the average number of rainy days hits a peak, the month's dampness not only nourishes the local ecosystem but also prepares residents for the seasonal changes ahead.
In Miyanoura, Japan, September marks a notable shift in humidity, maintaining a comfortable average of 80%. This month typically transitions from the sweltering heights of summer, where July peaks at an oppressive 90% humidity, to the more moderate levels of autumn. Following August's humid embrace at 85%, September offers a slight reprieve, hinting at the cooler and drier months ahead. Overall, a steady increase in humidity from the early months of the year culminates in these higher summer readings, before gently tapering off into the fall, with October seeing a drop to 78%. The patterns indicate a rhythm of humidity that shapes the experience of this coastal town, where the air feels thicker in the warmer months and gradually lightens as the seasons change.
As summer fades in Miyanoura, September maintains a striking UV Index of 11, classifying it as extreme with a burn time of just 10 minutes. This slight dip from the peak summer months, where the UV Index reached 13, still signifies a notable risk of overexposure to harmful rays. The early fall months bring a transition from intense sunlight, but vigilance remains crucial to protect your skin. This trend of elevated UV levels continues from the oppressive summer heat through to the fall, reminding us that despite cooler temperatures, the sun's intensity can still pose a serious threat. For detailed insights on UV exposure throughout the year, visit Miyanoura UV Index.
UV Risk Categories
As the summer warmth gradually transitions into the embrace of autumn, September in Miyanoura shines with an impressive 284 hours of sunshine. This marks a slight decline from the sun-drenched days of August, which boasted 319 hours, yet remains significantly higher than the month's figures in the earlier part of the year. The trend reveals a gradual increase in sunlight from the chilling depths of winter's 164 hours in January, peaking in the vibrant days of July and August. As September draws to a close, the sun's fortitude begins to wane, paving the way for the softer light of October that offers 266 hours. Miyanoura's September sunshine not only highlights the lingering summer days but also signals the changing seasons, inviting residents and visitors alike to revel in the beauty of nature's transition.
In Miyanoura during September, the likelihood of sunny weather reaches an encouraging 46%, marking a noticeable uptick from the summer months. This improvement is particularly striking when compared to June's low of 17% and July's modest 26%. As the region transitions from the sweltering heat of August, which enjoys a sunny chance of 38%, September becomes a pivotal month for those seeking sunshine. Following this peak, the sunny probability continues to rise into October at 53%, suggesting that the early autumn days in Miyanoura may be especially favorable for enjoying clear skies. Overall, September serves as a delightful bridge to more consistently sunny weather in the coming months.
In September, Miyanoura experiences a comforting 12 hours of daylight, signaling a subtle transition as summer gradually yields to autumn. This month marks a slight decline from the sun-drenched 14 hours in June and a balanced 13 hours seen in July and August. As daylight begins to wane, the longer shadows of fall stretch across the landscape, creating a gentle rhythm in nature. The daylight duration will continue its downward trend into October, where it drops to 11 hours, hinting at the cozy environment that defines the coming months. This gradual shift not only reflects changing seasons but also invites a cozy atmosphere, perfect for enjoying the vibrant fall foliage that Miyanoura is known for.
In September, the winds in Miyanoura, Japan take on a gentler rhythm, with an average speed of 5.7 m/s (13 mph), making it the calmest month of the year. This decline in wind speed follows a summer pattern, where breezes typically hover around 6 to 7.3 m/s (14 to 16 mph). The transition into fall is marked by a noticeable drop, providing a serene atmosphere as the landscape begins to shift in color and tone. As the year progresses into the autumn months, wind speeds pick up slightly again in October, hinting at the seasonal changes yet to come. Overall, September serves as a tranquil interlude, balancing the energetic summer winds with the crisp anticipation of fall.
Weather in Miyanoura varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Miyanoura, focusing on differences in temperature, rainfall, humidity, and UV levels.
September tends to be warm and humid, with average temperatures reaching around 26°C (80°F) and maximums soaring to 29°C (85°F). The month sees considerable rainfall, with 271 mm (10.7 in) falling over 20 days and humidity levels hovering around 80%. In contrast, January experiences much cooler weather, characterized by an average temperature of 13°C (56°F) and maximums only reaching 21°C (70°F). Precipitation is significantly lower in January, totaling 107 mm (4.2 in) over 12 days and with humidity levels at 72%. For more detailed information on January weather, visit Miyanoura weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures range from a minimum of 21°C (71°F) to a maximum of 29°C (85°F), making it one of the warmer months with an average of 26°C (80°F). However, this warmth comes with high humidity at 80% and substantial precipitation of 271 mm (10.7 in) spread over 20 days. In contrast, February offers a cooler climate with temperatures dipping significantly, featuring a minimum of 6°C (43°F) and a maximum of 21°C (70°F), resulting in an average of 13°C (56°F). Precipitation is also reduced to 158 mm (6.2 in) over 15 days, and humidity drops to 68%. For more details on February weather, you can check Miyanoura weather in February.
September and March present striking contrasts in weather conditions. In September, temperatures are significantly warmer, with a minimum of 21°C (71°F) and an average high of 29°C (85°F). The month is also characterized by high humidity levels at 80% and frequent rainfall, averaging 271 mm (10.7 in) over 20 days. In contrast, March experiences much cooler temperatures, ranging from a minimum of 9°C (49°F) to a maximum of 22°C (72°F), with an average of 16°C (61°F). Precipitation in March is lower at 207 mm (8.1 in) over just 16 days and comes with a slightly reduced humidity level of 72%. For more detailed information, you can check Miyanoura weather in March.
When comparing the weather conditions of September and April, notable differences emerge. September boasts a warmer climate with average temperatures around 26°C (80°F) and maximums reaching 29°C (85°F), while April's temperatures are cooler, averaging 18°C (65°F) and peaking at 24°C (75°F). Additionally, September experiences significantly higher precipitation with 271 mm (10.7 in) over approximately 20 days, compared to April's 179 mm (7.0 in) spread across just 12 days. Humidity levels are fairly similar, with September at 80% and April close behind at 79%. For a more detailed look at April's weather, check out Miyanoura weather in April.
In September, temperatures are generally warmer with a minimum of 21°C (71°F) and an average of 26°C (80°F), reaching a maximum of 29°C (85°F). The month is characterized by higher humidity at 80% and substantial precipitation, averaging 271 mm (10.7 in) over 20 rainy days. In contrast, May is milder, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 25°C (78°F), and an average of 21°C (71°F). Although May experiences slightly less rainfall at 254 mm (10.0 in) over 14 days, it has a slightly higher humidity level at 83%. For more detailed weather insights about May in Miyanoura, you can check Miyanoura weather in May.
In comparing the weather of September and June, September tends to be slightly warmer with average temperatures around 26°C (80°F) and maximums reaching 29°C (85°F). In contrast, June's average temperature is a bit cooler at 24°C (75°F) with maximums peaking at 27°C (81°F). However, June experiences significantly higher precipitation with 484 mm (19.1 in) over 19 days, compared to September's 271 mm (10.7 in) over 20 days. The humidity also remains high in both months, with September at 80% and June at 86%. For more detailed information, you can check Miyanoura weather in June.
When comparing the weather in September to that of July, we notice some notable differences. September tends to have slightly cooler temperatures, with a minimum of 21°C (71°F) compared to July's minimum of 23°C (74°F). The average temperature is also a touch lower in September at 26°C (80°F), versus July's 27°C (81°F). While both months experience high humidity, September's 80% is less than July's 90%, contributing to a slightly more comfortable atmosphere. However, both months are quite rainy, with September receiving 271 mm (10.7 in) over 20 days and July experiencing 279 mm (11.0 in) over 18 days. For a detailed look at July's climate, you can check out Miyanoura weather in July.
In comparing the weather conditions of September and August, September tends to be slightly cooler, with minimum temperatures averaging 21°C (71°F) compared to August's 24°C (76°F). While both months experience high humidity, September's average temperature is 26°C (80°F), slightly lower than August's average of 28°C (82°F). However, September sees more frequent rainfall, with 271 mm (10.7 in) of precipitation over 20 days, as opposed to August's 208 mm (8.2 in) over 16 days. This increase in rainfall also contributes to a notably humid atmosphere in September, recorded at 80% humidity, contrasted with August's 85%. For more details on August weather patterns, you can visit Miyanoura weather in August.
September typically boasts warmer temperatures, with averages around 26°C (80°F) and highs reaching up to 29°C (85°F), coupled with high humidity levels at 80%. However, it also experiences significant rainfall, with 271 mm (10.7 in) spread over 20 days. In contrast, October offers a cooler climate, with average temperatures dropping to 23°C (74°F) and maximums of 27°C (81°F). The month is also drier, receiving only 159 mm (6.3 in) of precipitation over 14 days and slightly lower humidity at 78%. For a detailed look at October's conditions, visit Miyanoura weather in October.
September and November exhibit distinct differences in weather patterns. In September, temperatures are notably warmer, with a minimum of 21°C (71°F) and an average of 26°C (80°F), reaching a maximum of 29°C (85°F). However, it also experiences higher precipitation, totaling 271 mm (10.7 in) over 20 days, along with a high humidity level of 80%. In contrast, November cools down considerably, with a minimum temperature of 12°C (54°F) and an average of 19°C (67°F), peaking at 25°C (77°F). The precipitation decreases to 150 mm (5.9 in) over just 12 days, accompanied by slightly lower humidity at 76%. For more detailed insights into November weather, you can visit Miyanoura weather in November.
September and December showcase stark differences in weather patterns. September boasts warm temperatures, with a minimum of 21°C (71°F) and an average of 26°C (80°F), peaking at 29°C (85°F). This month is characterized by high humidity at 80% and significant precipitation, with 271 mm (10.7 in) of rainfall over 20 days. In contrast, December experiences much cooler conditions, featuring a minimum of 7°C (45°F) and an average of 15°C (59°F), reaching a maximum of 24°C (75°F). Rainfall is considerably lower, totaling 134 mm (5.3 in) over just 14 days, and humidity drops to 74%. For more details on this winter month, you can visit Miyanoura weather in December.
As September unfolds in Miyanoura, it brings a notable transition in weather that sets it apart from other months. With average temperatures peaking around 26°C and a high humidity level of 80%, the air feels distinctly warmer and more sultry. While the region enjoys an inviting warmth during the day, the evenings provide just a touch of relief with cooler temperatures. September is also marked by increased rainfall, featuring approximately 20 wet days and a total precipitation of 271 mm, making it one of the rainier months of the year. This combination of heat and moisture creates a lush landscape, making it a unique and vibrant time to experience the natural beauty of Miyanoura. For a deeper insight into the climate, you can explore Miyanoura Climate.