Last updated: August 21, 2025
September in Nakatsugawa, Japan, showcases a vibrant transition from summer to autumn. The weather features a maximum temperature of 32°C (90°F), while the average hovers around a comfortable 21°C (70°F), dipping to a refreshing 8°C (47°F) at night. This month experiences substantial rainfall, with 260 mm (10.2 in) accumulated over approximately 18 days, contributing to an 87% humidity level that envelops the region. Visitors can expect a dynamic climate, perfect for enjoying the lush scenery and vibrant landscapes that define this tranquil hotspot during a picturesque season.
In September, Nakatsugawa experiences a delightful transition into autumn, as temperatures begin to cool from the sweltering summer months. With minimum temperatures hovering around 8°C (47°F) and an average of 21°C (70°F), it's a comfortable time to explore the scenic beauty of the region. However, the warmth lingers, peaking at a maximum of 32°C (90°F), allowing for a few more days of summer-like enjoyment. This month marks a gradual decline in temperatures, setting the stage for the crisp air of fall that follows. The notable shift in weather patterns invites locals and tourists alike to relish the changing foliage, making September a vibrant and refreshing time in Nakatsugawa.
In September, Nakatsugawa experiences a notable shift in precipitation patterns, receiving an impressive 260 mm (10.2 in) of rain over 18 days. This marked amount continues the trend of significant rainfall seen throughout the summer months, although it represents a slight decrease from the 290 mm (11.4 in) observed in August. The wettest period of the year, July, sets the stage for September's considerable precipitation, as the region transitions into autumn. With a steady frequency of rainy days, this month's weather reflects the lingering humidity of the season while hinting at the drier days that follow, making September a pivotal point in Nakatsugawa's annual climate cycle.
September in Nakatsugawa, Japan, showcases a notable shift in humidity levels as summer transitions to autumn. With an average humidity of 87%, September maintains a high moisture content in the air, reminiscent of the sweltering July and August, which peak at 93% and 91%, respectively. As the year progresses, humidity gradually declines from May's 83%, peaking in July, but in September it slightly retracts, remaining comfortably high as autumn's cool embrace begins. This trend reflects a seasonal rhythm where humidity levels fluctuate, with late summer retaining significant moisture, setting the stage for the refreshing breezes of fall, making Nakatsugawa a unique blend of warmth and moisture during this time.
As September arrives in Nakatsugawa, Japan, the UV Index reflects a notable shift with a value of 10, placing it in the very high exposure category. This indicates a slight decrease from the peak summer months, which reached an impressive 12 in both July and August. However, the burn time remains critical, still resting at 15 minutes for fair-skinned individuals. Overall, September showcases a transition towards milder conditions, yet it's essential to stay vigilant, as UV levels remain significant. For more detailed information, you can visit the Nakatsugawa UV Index.
UV Risk Categories
Nestled in the heart of Japan, Nakatsugawa enjoys a remarkable transformation in its daylight hours throughout the year. As the summer heat fades, September graces the city with 239 hours of sunshine, a refreshing dip from the sizzling 290 hours of August. This slight decrease heralds the arrival of autumn, yet the daylight remains ample for outdoor pursuits. Following a consistent upward trend from January's modest 180 hours, the sun-soaked months of May and April showcase the peak of daylight abundance. Yet, as nature transitions, the diminishing brightness from September to October signals a gentle shift towards cooler days ahead. With these evolving patterns, Nakatsugawa offers an inviting canvas for both adventure and contemplation, drenched in the warm hues of early fall.
In September, the likelihood of sunny weather in Nakatsugawa, Japan stands at a modest 25%, marking a slight uptick compared to the summer months, where chances hover around 21% to 24%. As the region transitions into autumn, this percentage reflects a gradual shift towards clearer skies, particularly when compared to the notably lower probabilities seen earlier in the year, such as 20% in June. Interestingly, after September, the chances of sunshine see a significant increase in October and November, reaching 52% and 55%, respectively. This trend suggests that while September may offer limited sunny days, the promise of brighter weather is just around the corner as autumn takes hold.
As summer fades into autumn in Nakatsugawa, September experiences a gentle decline in daylight, offering about 12 hours of sunlight—a transition from the sun-drenched days of July and August, which bask in 14 hours of light. This gradual shift reflects the broader trend of diminishing daylight as the year progresses, with hours steadily decreasing from a peak in May and June, when daylight reaches its zenith at 14 hours. Following September, the daylight continues to wane, plunging to 11 hours in October and 10 hours by November, ultimately culminating in the shorter, cozy days of winter. The balance between daylight and night sets a perfect backdrop for the vibrant autumn foliage, inviting both locals and visitors to appreciate the beauty of the changing seasons.
As September unfolds in Nakatsugawa, Japan, the air carries a gentle whisper reflected in the average wind speed of only 1.4 m/s (3 mph). This marks a continuation of the gradual decline in wind velocity that began mid-year, with summer months showcasing even lower figures, peaking in the earlier months when breezy gusts averaged around 2.1 m/s (5 mph) during April and March. The subtle shift to calmer winds in early autumn creates a serene atmosphere, inviting locals and visitors alike to embrace the tranquility of the season. As the leaves begin to change with the onset of October, there's a gentle reminder that nature moves in cycles, and the wind, too, is a part of this rhythmic dance.
Weather in Nakatsugawa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Nakatsugawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a mild minimum of 8°C (47°F) to a warm maximum of 32°C (90°F), with an average of 21°C (70°F). This month is characterized by significant rainfall, totaling 260 mm (10.2 in) over 18 days, all accompanied by high humidity levels at 87%. In contrast, January experiences much colder temperatures, with a minimum of -13°C (10°F) and a maximum of only 13°C (56°F), averaging just 1°C (33°F). Precipitation drops to 88 mm (3.4 in) spread over 11 days, and humidity remains slightly lower at 82%. For more detailed insights into January weather, you can visit Nakatsugawa weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a mild 8°C (47°F) at night to a warm 32°C (90°F) during the day, with an average of 21°C (70°F). This month sees significant rainfall, totaling 260 mm (10.2 in) over 18 days, and high humidity at 87%. In stark contrast, February is characterized by much colder temperatures, with nighttime lows plummeting to -12°C (11°F) and daytime highs reaching only 16°C (61°F), averaging around 2°C (35°F). Precipitation is markedly less, at 106 mm (4.2 in) over just 10 days, and the humidity is relatively lower at 79%. To explore more about February weather, visit Nakatsugawa weather in February.
September and March present contrasting weather experiences. In September, temperatures range from a mild 8°C (47°F) at night to a warm average of 21°C (70°F), peaking at a hot 32°C (90°F). However, this month is also characterized by high humidity at 87% and significant precipitation of 260 mm (10.2 in) over 18 days. In contrast, March offers a chillier climate, with temperatures dropping to a minimum of -4°C (24°F) and only reaching an average of 6°C (44°F), with a maximum of 20°C (69°F). Precipitation is lower at 183 mm (7.2 in) across 13 days, accompanied by a more comfortable humidity level of 74%. For a closer look at weather conditions specific to this month, check out Nakatsugawa weather in March.
September weather is characterized by warmer temperatures, with an average of 21°C (70°F) and maximums reaching up to 32°C (90°F), while April sees cooler conditions, where the average is only 11°C (51°F) and maximums peak at 25°C (77°F). In September, the region experiences significantly more precipitation at 260 mm (10.2 in) over 18 days, compared to April's 219 mm (8.6 in) over just 13 days. Humidity levels are also higher in September at 87%, making it feel more sultry, whereas April has a more comfortable humidity level of 76%. For a closer look at the specific weather conditions in April, you can check Nakatsugawa weather in April.
In comparing the weather of September and May, we see noticeable differences in temperature and precipitation. September boasts a wider temperature range, with a minimum of 8°C (47°F) and a maximum of 32°C (90°F), resulting in a warm average of 21°C (70°F). In contrast, May's temperatures are milder, starting at a minimum of 1°C (34°F) and only reaching a maximum of 29°C (84°F), with an average of 16°C (61°F). Rainfall is prevalent in both months, but September experiences slightly more precipitation at 260 mm (10.2 in) over 18 days, compared to May's 231 mm (9.1 in) over 14 days. The humidity remains relatively high in both months, with September at 87% and May at 83%. For more detailed insights, you can check Nakatsugawa weather in May.
When comparing the weather in September and June, both months display a similar pattern in terms of minimum temperatures, with September slightly warmer at a minimum of 8°C compared to June's 8°C. The average temperatures show a more significant difference, with September boasting an average of 21°C compared to June's 19°C, while September also reaches higher maximum temperatures of 32°C versus June's 29°C. In terms of precipitation, September experiences more rainfall, totaling 260 mm over 18 days, compared to June's 241 mm over 16 days. Interestingly, both months maintain a consistent humidity level of 87%. For a detailed look at June weather, check out Nakatsugawa weather in June.
In comparing the weather between September and July, September tends to be cooler with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 32°C (90°F) and an average of 21°C (70°F). In contrast, July is typically warmer, featuring temperatures that vary from a minimum of 15°C (60°F) to a peak of 36°C (96°F), with an average of 23°C (74°F). Precipitation is significantly higher in July, totaling 544 mm (21.4 in) over 25 days, compared to September's 260 mm (10.2 in) across 18 days, reflecting a wetter season. Additionally, July's humidity is slightly higher at 93% compared to September's 87%. For more detailed insights on July weather in the region, visit Nakatsugawa weather in July.
In comparing the weather between September and August, September generally experiences cooler temperatures, with a minimum of 8°C and a maximum of 32°C, compared to August's minimum of 16°C and maximum of 35°C. While September averages a comfortable 21°C, August remains warmer with an average of 25°C. Precipitation is slightly lower in September, totaling 260 mm over 18 days, compared to August's 290 mm over 21 days. Additionally, humidity levels are high in both months, but September sees a slight decrease at 87% compared to August's 91%. For more detailed information, you can check Nakatsugawa weather in August.
When comparing the weather in September and October, a noticeable shift occurs. September boasts a wider temperature range with minimums of 8°C (47°F) and maximums reaching up to 32°C (90°F), while averaging 21°C (70°F). In contrast, October experiences cooler conditions with minimum temperatures dropping to 3°C (38°F) and an average of just 15°C (60°F), peaking at 28°C (82°F). The month of September also sees higher precipitation, totaling 260 mm (10.2 in) over 18 days, compared to October's 244 mm (9.6 in) over 15 days. Humidity remains relatively high in both months, with September at 87% and October slightly lower at 85%. For a more detailed look at October's weather, check out Nakatsugawa weather in October.
September and November exhibit striking differences in weather patterns. In September, temperatures range from a minimum of 8°C (47°F) to a high of 32°C (90°F), with an average of 21°C (70°F), making it significantly warmer overall. The month also sees substantial rainfall, with 260 mm (10.2 in) spread over 18 days, and humidity is relatively high at 87%. Conversely, November experiences much cooler temperatures, featuring a minimum of -2°C (29°F) and a maximum of 20°C (68°F), averaging just 9°C (48°F). Precipitation in November is lower at 86 mm (3.4 in) and occurs over only 9 days, with a humidity level of 83%. For a detailed look at November weather in Nakatsugawa, check out this link: Nakatsugawa weather in November.
In September, the weather is notably warmer, with average temperatures around 21°C (70°F) and highs reaching up to 32°C (90°F). This month experiences significant rainfall, totaling 260 mm (10.2 in) over 18 days, along with high humidity at 87%. In contrast, December sees a substantial drop in temperature, with an average of just 3°C (38°F) and maximums only reaching 17°C (63°F). Precipitation also decreases to 96 mm (3.8 in) over 12 days, and humidity levels are slightly lower at 83%. For more specific details about December weather, visit Nakatsugawa weather in December.
As September unfolds in Nakatsugawa, the weather begins to shift from the sweltering summer heat to a more moderate climate. With a maximum temperature that hovers around the comfortable 21°C (70°F), this month stands out for its significantly higher humidity levels and abundant rainfall, leading to a lush, vibrant landscape. While precipitation graces the region with 10.2 inches over about 18 days, it creates a refreshing atmosphere that marks the transition into autumn. This blend of warmth and moisture sets September apart, offering a unique experience for visitors. To explore more about the weather trends throughout the year, check out Nakatsugawa Climate.