Last updated: August 21, 2025
In September, Kumano, Japan experiences a dynamic weather pattern marked by a maximum temperature soaring to 32°C (90°F) and an average warmth of 23°C (73°F), providing a warm backdrop for exploration. The month is characterized by considerable moisture, with 376 mm (14.8 in) of rainfall spread across 22 days, resulting in a humidity level averaging around 82%. This combination of heat and humidity creates a lush, vibrant landscape, perfect for experiencing the natural beauty and rich cultural heritage of the region. Be prepared for sporadic showers and ensure to delight in the refreshing atmosphere that September offers in this picturesque locale.
In Kumano, Japan, September marks a transition into milder weather, with temperatures reflecting the tail end of summer's warmth. The average temperature settles comfortably around 23°C (73°F), while lows dip to a pleasant 14°C (58°F). With maximums reaching up to 32°C (90°F), the month retains a hint of summer's lingering heat, yet hints at the cooler days to come. This period presents a sweet spot for outdoor activities, combining warm afternoons with cool evenings—perfect for exploring this picturesque region before autumn ushers in its chill. The overall trend shows a gradual cooling trend as the year progresses, making September an ideal time to enjoy the vibrant landscapes of Kumano.
September in Kumano, Japan, marks a significant peak in precipitation, with an impressive 376 mm (14.8 in) of rain falling over 22 days. This month continues the trend of the wetter summer season, building on the heavy downpours of July and August, which recorded 390 mm (15.3 in) and 310 mm (12.2 in), respectively. The increase in both rainfall and rainy days indicates a transition where the summer's humidity often leads to intense storms, contributing to lengthy monsoon-like conditions. Interestingly, following September’s peak, precipitation tends to rise even further in October, culminating in 471 mm (18.6 in), suggesting that the autumn months often bring sustained and substantial rainfall as the region braces for seasonal changes.
September in Kumano, Japan, marks a transition in humidity levels, as the month boasts a comfortable average of 82%. This figure reflects a slight decrease from the peak humidity of 92% in July, heralding the end of the summer heat. Following a humid August, where levels hovered around 86%, September offers a welcome reprieve as nature begins to shift towards the cooler autumn months. Overall, the trend shows a gradual decline in humidity from the sweltering summer highs, reinforcing Kumano's climate narrative of hot, sticky summers gradually giving way to milder conditions.
As September rolls into Kumano, Japan, the UV Index reflects a noticeable shift towards the very high category, with a value of 10 that calls for increased sun safety awareness. This trend continues from the peak summer months of June to August, which consistently registered extreme levels of 12. With a burn time of just 15 minutes, it's crucial for residents and visitors alike to shield themselves from potential sun damage. Interestingly, September showcases a decline from the height of summer, but it remains higher than the earlier months of the year, which experienced moderate to high levels. As you enjoy the pleasant early autumn, remember to stay protected by checking the Kumano UV Index and planning your sun exposure wisely.
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As summer fades into autumn, September in Kumano, Japan, greets residents and visitors with a delightful 246 hours of sunshine. This month showcases a slight decline from the sun-drenched days of August, which boasted an impressive 311 hours, yet still outshines the earlier spring and summer months. The sunshine trend reveals a gradual peak from the cozy winter months—starting with a mere 192 hours in January—rising steadily through April and May into the sunny embrace of summer. As the year transitions, September's warmth hints at the lingering vibrancy of summer while setting the stage for the golden hues of autumn, making it a picturesque time to explore the region's natural beauty.
In Kumano, Japan, the likelihood of sunny weather in September stands at just 20%, marking a notable dip compared to the more promising months of January and February, which boast chances of 50% and 54% respectively. As the summer months roll in, the chances of sunshine wane, reaching their lowest point in June at 19%, before experiencing a slight recovery in October to 48%. This trend highlights September as part of a transitional period in Kumano, where the vibrant summer fades, making way for a more unpredictable climate as autumn approaches. Travelers may want to brace for potential overcast skies, keeping in mind that sunny weather becomes more prevalent later in the year.
As summer winds down in Kumano, Japan, the daylight duration shifts noticeably; in September, the days hold about 12 hours of light, marking a gradual transition from the long summer days of July and June, which boast 14 hours each. This month represents a gentle decline from the peak brightness of summer, moving towards the softer light of autumn, as daylight begins to wane through the fall months. With October bringing 11 hours and November further reducing it to 10 hours, September serves as a perfect bridge, inviting a reflective sense of balance before the shorter days of winter set in.
In September, Kumano, Japan, experiences a gentle, refreshing breeze with an average wind speed of 2.3 m/s (5 mph), a slight dip from the summer months. This seasonal shift marks a transition as the winds start to settle after the more vigorous currents of July and August. Following the patterns of late summer, September's winds provide a calming backdrop, setting the stage for the upcoming autumn. In comparison, earlier months like June showcase the lightest winds at 1.9 m/s (4 mph), while winds pick up again in November and December, returning to the crispness that characterizes the winter months. This rhythmic ebb and flow of wind speeds reflects Kumano's diverse climatic tapestry, making each season uniquely inviting.
Weather in Kumano varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kumano, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is significantly warmer and more humid, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 32°C (90°F) and an average of 23°C (73°F). The month experiences considerable rainfall, with 376 mm (14.8 in) of precipitation over 22 days, resulting in a high humidity level of 82%. In contrast, January brings much cooler temperatures, with a minimum of -6°C (22°F) and an average of only 4°C (40°F), peaking at 15°C (60°F). The winter month sees far less precipitation, totaling 81 mm (3.2 in) over just 6 days, along with a lower humidity level of 72%. For a detailed look at January's weather conditions in this region, you can check Kumano weather in January.
September and February present stark contrasts in weather patterns. In September, temperatures range from a mild 14°C (58°F) at night to a warm 32°C (90°F) during the day, with an average of 23°C (73°F). This month also sees considerable rainfall, with 376 mm (14.8 in) spread across 22 days and high humidity at 82%. In contrast, February experiences much cooler conditions, with temperatures ranging from a chilly -5°C (23°F) at night to a more moderate 19°C (66°F) during the day, averaging just 5°C (41°F). Precipitation in February is significantly lower at 90 mm (3.5 in) over only 7 days, and the humidity drops to 69%. For more insights about February weather in Kumano, visit Kumano weather in February.
September and March display quite contrasting weather patterns. September typically experiences warmer temperatures, ranging from a minimum of 14°C (58°F) to a maximum of 32°C (90°F) with an average of 23°C (73°F). In this month, rainfall is significant, with about 376 mm (14.8 in) distributed over 22 days, contributing to the high humidity level of 82%. In contrast, March is notably cooler, with temperatures ranging from 0°C (31°F) at night to a maximum of 22°C (72°F) during the day, averaging around 9°C (49°F). The precipitation in March is lower, at 183 mm (7.2 in) over just 11 days, and the humidity is also reduced to 69%. For more detailed insights into March weather specifics, visit Kumano weather in March.
September and April present quite contrasting weather conditions. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 32°C (90°F), with an average temperature of 23°C (73°F). The month is characterized by high humidity at 82% and significant rainfall, totaling 376 mm (14.8 in) across 22 days. In comparison, April features much cooler temperatures, with a minimum of 1°C (33°F) and a maximum of 24°C (75°F), averaging around 13°C (56°F). Rainfall in April is considerably less, at 164 mm (6.4 in) over 11 days, accompanied by a lower humidity level of 75%. For more details on the weather in April, you can check out Kumano weather in April.
September and May exhibit distinct weather patterns, reflecting the transitional seasons they represent. September typically enjoys warmer temperatures, with a minimum of 14°C (58°F) and an average of 23°C (73°F), peaking at 32°C (90°F). In contrast, May is cooler, featuring a minimum of 6°C (44°F) and an average of 18°C (64°F), with a maximum of 28°C (83°F). Additionally, September is characterized by significantly higher precipitation, totaling 376 mm (14.8 in) over 22 days, compared to May's 222 mm (8.7 in) across 13 days. Both months share a consistent humidity level of 82%, but the overall climate in September tends to feel much more oppressive due to the heat and higher rainfall. For a closer look at May's weather specifics, you can refer to Kumano weather in May.
When comparing the weather in September and June, September tends to be warmer overall, with average temperatures reaching 23°C (73°F) compared to June's 21°C (69°F). Both months experience a good amount of rainfall, but September sees significantly higher precipitation at 376 mm (14.8 in) over 22 days, while June has 293 mm (11.6 in) over 18 days. Humidity levels are also high in both months, with September at 82% and June slightly higher at 87%. For more detailed insights, you can check out Kumano weather in June.
September generally experiences slightly cooler temperatures compared to July, with average highs reaching 32°C (90°F) in September versus 34°C (94°F) in July. However, September has a lower minimum temperature of 14°C (58°F) compared to July's 18°C (65°F). Both months are quite humid, with September having 82% humidity, while July is more humid at 92%. Precipitation is quite similar, with September receiving 376 mm (14.8 in) over 22 days and July slightly higher at 390 mm (15.3 in) across 23 days. For a detailed look at July's weather, visit Kumano weather in July.
In comparing the weather of September and August, September experiences a slightly cooler average temperature, with a minimum of 14°C (58°F) and a maximum of 32°C (90°F) compared to August's higher range of 19°C (67°F) to 35°C (95°F). While September has more days of precipitation, totaling 22 days and 376 mm (14.8 in) of rainfall, August also registers significant rainfall with 310 mm (12.2 in) over 18 days. Additionally, the humidity in September is moderately lower at 82% compared to August's 86%, making September feel a bit more comfortable despite the increased rainfall. For more details on August weather, check out Kumano weather in August.
September and October display a notable shift in weather conditions. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F), accompanied by high humidity at 82%. Precipitation is significant, totaling 376 mm (14.8 in) over 22 days. In contrast, October experiences a drop in temperatures, with lows of 7°C (45°F) and highs of 28°C (84°F), averaging 18°C (64°F). Although October has higher total precipitation at 471 mm (18.6 in) spread over fewer days (16), the overall humidity is slightly lower at 79%. For more details about October weather, you can visit Kumano weather in October.
In September, the weather is warm and humid, with average temperatures around 23°C (73°F) and maximums reaching up to 32°C (90°F). However, it also experiences significant rainfall, totaling 376 mm (14.8 inches) over about 22 days, making the atmosphere quite muggy with a humidity level of 82%. In contrast, November brings much cooler temperatures, with daily averages dropping to 12°C (55°F) and maximums peaking at 21°C (70°F). The precipitation also decreases significantly to 75 mm (3.0 inches) spread over just 8 days, accompanied by a lower humidity level of 75%. This shift marks a notable transition from the hot, wet conditions of September to the cooler, drier climate of November. For more specifics about November weather, check out Kumano weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (58°F) to a hot 32°C (90°F) with an average of 23°C (73°F). This month is characterized by high humidity levels at 82% and significant rainfall, totaling 376 mm (14.8 in) over 22 days. In contrast, December brings a much colder climate, with minimum temperatures plunging to -2°C (29°F) and a maximum of 19°C (67°F), while the average temperature hovers around 7°C (45°F). Precipitation drops dramatically to 84 mm (3.3 in) over just 7 days, and humidity also decreases to 74%. For those seeking more detailed insights, check out Kumano weather in December.
As September arrives in Kumano, the weather begins to shift, bringing a blend of warmth and humidity that sets it apart from the preceding summer months. With maximum temperatures reaching up to 32°C and an average of 23°C, the warmth remains comfortable, yet the rising humidity at 82% can make it feel more intense. This month also sees a significant uptick in rainfall, with 22 days of precipitation accumulating to 376 mm, fostering a vibrant, lush landscape. Unlike the drier summer months, September introduces a more tropical atmosphere, making it an ideal time to experience the region’s natural beauty. For a deeper understanding of what to expect throughout the year, explore Kumano Climate.