Last updated: August 21, 2025
In Motobu, Japan, September brings a tropical climate characterized by warm temperatures and elevated humidity levels. With a maximum temperature peaking at 30°C (86°F) and an average of 28°C (82°F), the weather invites outdoor exploration despite the minimum dipping to a comfortable 24°C (76°F). However, it’s essential to prepare for regular rainfall, as the month sees about 211 mm (8.3 in) of precipitation across 19 days, making it one of the wetter times of the year. Travelers should expect a humidity level of 82%, which enhances the warmth, creating a lush environment that captures the essence of subtropical living.
In September, Motobu, Japan experiences a warm embrace as summer begins to wane, showcasing minimum temperatures around 24°C (76°F) and rising to an average of 28°C (82°F), with highs reaching 30°C (86°F). This slight dip from the peak summer months highlights a gradual cooling trend, offering a comfortable warmth that’s perfect for outdoor explorations and enjoying the stunning coastal scenery. As the heat of August recedes, September invites travelers with pleasant days and balmy evenings, making it a delightful time to experience the natural beauty and cultural richness of this charming locale.
September in Motobu, Japan, brings a notable increase in precipitation, with 211 mm (8.3 in) of rain recorded over 19 days, marking it as one of the wetter months of the year. This significant rainfall trend follows a generally dry summer, evidenced by the lower amounts in July and August, which saw 167 mm (6.6 in) and 164 mm (6.5 in) respectively. As the seasons shift, September serves as a transitional period, leading to lush landscapes nourished by the monsoon-like rains that start to taper off into the autumn months. The increasing precipitation is reminiscent of the trend seen in June, where heavy downpours also dominate, but September tends to be milder in comparison. This pattern highlights the region's rich climatic diversity, making it a vibrant time to experience Motobu’s natural beauty.
As summer transitions into autumn, September in Motobu, Japan experiences a notable drop in humidity compared to the peak months of June and July, which both register a high 86%. This shift brings the humidity down to 82%, a level that remains consistent with August's figures. Prior to that, humidity steadily climbed throughout the spring months, starting at 71% in January and gradually rising to a mid-summer peak before stabilizing. As the year progresses, autumn starts to edge in, with October showing a further decrease to 80%, hinting at the arrival of cooler and drier months ahead. This gradual ebb in humidity not only signals a change in the season but also influences the overall climate experience, making September an intriguing month for residents and visitors alike.
In September, Motobu, Japan, continues to experience a persistent extreme UV Index of 13, maintaining the high levels seen throughout the summer months. With a calculated burn time of just 10 minutes, it’s crucial for residents and visitors alike to take precautions when enjoying outdoor activities. This trend of elevated UV exposure carries over from the peak months of May through August, where the index also reached 13. As the month transitions into October, the UV Index is expected to drop to 9, marking a shift towards very high exposure. For those planning their days in the sun, understanding this UV index pattern is key to staying safe and protected. For more detailed insights, feel free to check the Motobu UV Index.
UV Risk Categories
September in Motobu, Japan, is a month where sunshine graces the landscape with a generous 294 hours of warm light, continuing the trend of vibrant summer days. As the summer peaks in July and August, averaging 315 and 319 hours respectively, September provides a gentle transition into autumn, offering a satisfying amount of sunlight without the relentless summer heat. This month stands out as part of a remarkable pattern, where day length slowly wanes following the summer solstice, yet still delivers more sunlight than many months that follow. Indeed, September’s sunshine not only illuminates the natural beauty of Motobu but also hints at the cooler yet still radiant days ahead, bridging the gap between the summer vibrance and the tranquil autumn hues.
In Motobu, Japan, the month of September stands out with a 60% chance of sunny weather, making it one of the sunniest months of the year. This significant increase in sunshine is a refreshing contrast to the preceding summer months, where July and August boast only 27% and 40% chance, respectively. As summer transitions to autumn, September not only welcomes more sunshine but also showcases a broader trend of improving weather conditions, with chances remaining strong into October at 49%. This pleasant climatological shift highlights September as an ideal time for enjoying outdoor activities against the backdrop of Motobu's vibrant landscapes.
As the summer months give way to autumn, September in Motobu, Japan, offers a gentle transition with around 12 hours of daylight. This marks a slight decrease from the sun-soaked days of July and August, which enjoy a steady 13-hour stretch. The increasing shadow lengths signal the approach of shorter days, as October will bring another dip to 11 hours. Overall, the daylight duration throughout the year reflects a gradual rhythm of nature, with longer days peaking in the summer and softly receding into the cozy embrace of autumn. The balance of light and darkness sets the stage for a picturesque change in season.
As summer gives way to autumn, September in Motobu, Japan, welcomes a gentle shift in the air. With an average wind speed of just 5.5 m/s (12 mph), the breezes this month are notably calmer compared to the preceding warmer months, where July and August saw speeds of 7.5 m/s (17 mph) and 6.8 m/s (15 mph), respectively. This decline sets the stage for the transition into October, where we can expect winds to pick up once again, averaging 7.8 m/s (18 mph). Overall, the pattern reveals a rhythm in the region's climate: lively winds during the height of summer tapering into a serene September, before reawakening in the fall.
Weather in Motobu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Motobu, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. In September, temperatures are warmer, with averages around 28°C (82°F) and highs reaching up to 30°C (86°F). The month is also characterized by significant rainfall, with 211 mm (8.3 in) of precipitation spread over 19 days and high humidity at 82%. In stark contrast, January experiences cooler temperatures, averaging 18°C (65°F) and peaking at 23°C (74°F), along with considerably less precipitation of 101 mm (4.0 in) over just 11 days and lower humidity at 71%. For a more detailed look at the conditions in January, check out Motobu weather in January.
September and February present contrasting weather patterns. In September, temperatures are significantly warmer, with daily averages around 28°C (82°F) and a maximum reaching up to 30°C (86°F). The month is also characterized by high humidity at 82% and substantial precipitation, totaling 211 mm (8.3 inches) over 19 days. In contrast, February sees much cooler temperatures, with averages of 18°C (65°F) and a maximum of 24°C (75°F), coupled with lower humidity at 71%. Precipitation is also reduced in February, with 101 mm (4.0 inches) spread across just 12 days. For a closer look at the February climate, you can check out Motobu weather in February.
In September, the weather is noticeably warmer and more humid, with minimum temperatures around 24°C (76°F) and an average of 28°C (82°F), peaking at 30°C (86°F). This month also sees considerable rainfall, with about 211 mm (8.3 in) of precipitation spread over 19 days, resulting in a high humidity level of 82%. In contrast, March experiences much cooler temperatures, with a minimum of 14°C (57°F), an average of 20°C (67°F), and a maximum of 24°C (75°F). Rainfall decreases significantly to 114 mm (4.5 in) over 12 days, and humidity is slightly lower at 76%. For more details on weather patterns during this month, check out Motobu weather in March.
September and April present quite different weather patterns. In September, temperatures are notably warmer, with minimums around 24°C (76°F) and average highs reaching 30°C (86°F). This month also experiences significant rainfall, totaling 211 mm (8.3 in) over 19 days, maintaining a high humidity level of 82%. In contrast, April boasts milder temperatures, with minimums of 15°C (59°F) and maximums of 25°C (78°F), accompanied by a lower precipitation total of 141 mm (5.6 in) across just 12 days, while still maintaining the same humidity level of 82%. The contrast in temperatures and rainfall makes September feel more tropical compared to the gentle warmth of April. For more detailed insights into April weather, check out Motobu weather in April.
September and May present distinct weather characteristics. September tends to be warmer, with a minimum temperature of 24°C (76°F) and an average high of 30°C (86°F), while May offers a cooler range, with minimums at 18°C (65°F) and maximums reaching 27°C (82°F). Both months experience significant rainfall, with September receiving 211 mm (8.3 in) over 19 days and May slightly more at 214 mm (8.4 in) across 12 days. Humidity levels remain relatively similar, with September at 82% and May at 84%. For more detailed information on May weather in a specific location, check out Motobu weather in May.
In September, the weather is warm with an average temperature of 28°C (82°F) and maximums reaching 30°C (86°F), making it slightly warmer than June, which has an average of 26°C (79°F) and a max of 28°C (84°F). However, September sees significantly higher precipitation, with 211 mm (8.3 in) across an average of 19 rainy days, compared to June's 356 mm (14.0 in) over 20 days, indicating that both months can be quite wet. Humidity levels are relatively similar, with September at 82% and June slightly higher at 86%. For detailed insights, check Motobu weather in June.
In comparing the weather of September and July, both months showcase similar average temperatures, hovering around 28°C (82°F). However, September tends to be slightly cooler with a minimum temperature of 24°C (76°F) compared to July's 26°C (78°F). July experiences a bit more dryness with 167 mm (6.6 in) of precipitation over 12 days, while September has significantly higher rainfall, totaling 211 mm (8.3 in) spread across 19 days, resulting in a more humid environment with an average humidity of 82% compared to July's 86%. For a closer look at July weather patterns, you can visit Motobu weather in July.
In comparing the weather of September and August, we see that September's temperatures range from a minimum of 24°C (76°F) to a maximum of 30°C (86°F), similar to August, which has a slightly higher minimum temperature of 25°C (78°F). Both months share an average temperature of 28°C (82°F). However, September experiences significantly more rainfall, with 211 mm (8.3 in) over 19 days, compared to August's 164 mm (6.5 in) over just 15 days. Despite these differences, humidity levels remain consistent at 82% for both months. For more details on August weather, you can check Motobu weather in August.
September typically features warmer temperatures with a minimum of 24°C (76°F) and an average of 28°C (82°F), while October sees slightly cooler weather with a minimum of 21°C (70°F) and an average of 26°C (78°F). In terms of precipitation, September is heavier with 211 mm (8.3 in) falling over 19 days, compared to October's 146 mm (5.8 in) over just 12 days. Humidity levels are also marginally lower in October at 80%, compared to September's 82%. For more detailed weather information, you can check Motobu weather in October.
September and November showcase a notable contrast in weather conditions. In September, temperatures are warmer, with a minimum of 24°C (76°F) and an average high of 30°C (86°F), while November experiences cooler temperatures, ranging from a minimum of 18°C (65°F) to a maximum of 26°C (80°F). Additionally, September sees significantly higher precipitation at 211 mm (8.3 in) over 19 days, compared to November’s 106 mm (4.2 in) across just 11 days. Humidity levels remain relatively similar, with September at 82% and November slightly lower at 79%. For more details on November weather, check out Motobu weather in November.
September and December present contrasting weather patterns. In September, the temperatures soar with a minimum of 24°C (76°F) and an average of 28°C (82°F), peaking at a maximum of 30°C (86°F). This month also sees significant rainfall, with precipitation measuring 211 mm across 19 days and a high humidity level of 82%. In contrast, December experiences a cooler climate, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 25°C (77°F) and an average of 20°C (68°F). The month is drier, featuring 151 mm of precipitation over 15 days, accompanied by a lower humidity level of 75%. For more specifics about December conditions, you can check Motobu weather in December.
As September unfolds in Motobu, the temperature begins to shift, keeping warm days alive but gradually hinting at the cooler months ahead. With an average temperature of 28°C (82°F), it’s still a great time for outdoor activities, yet the month is characterized by significant precipitation, with rain gracing the area on over half of the days. This heightened humidity, averaging around 82%, can make the air feel heavier compared to the sun-drenched days of summer. For those planning a visit, September offers a unique blend of warmth and rain, setting it apart from the drier months. For a deeper understanding of the weather patterns throughout the year, check out Motobu Climate.