Last updated: August 21, 2025
September in Azumino, Japan presents a delightful mix of mild temperatures and lush, green landscapes. With daytime highs reaching a pleasant 30°C (86°F) and evening lows dipping to around 6°C (43°F), the month offers a refreshing respite from the summer heat. The average temperature settles at a comfortable 19°C (66°F), ideal for outdoor activities. However, with about 222 mm (8.7 in) of precipitation spread over 19 days, visitors should be prepared for frequent showers. The humidity hovers at a high 89%, nurturing the region's stunning natural beauty while creating a vibrant atmosphere for exploring Azumino's picturesque scenery.
In September, Azumino, Japan, begins to transition from the sweltering summer months, offering a milder climate that is both refreshing and invigorating. With average temperatures around 19°C (66°F), the days are pleasantly warm, peaking at highs of 30°C (86°F), while the nights cool down to a comfortable 6°C (43°F). This month marks a significant drop in temperature compared to the sultry August, making it ideal for outdoor explorations and enjoying the vibrant autumn foliage. As the season shifts, the weather becomes more temperate, inviting visitors to experience the stunning landscapes without the extremes of heat or cold, truly epitomizing the beauty of Japan during this transitional period.
In September, Azumino experiences a notable rainfall total of 222 mm (8.7 in), making it one of the wetter months of the year. This precipitation is spread across approximately 19 days, contributing to the lush landscapes that the region is known for. Following the peak of July's torrential downpour at 333 mm, September maintains a significant amount of moisture but begins to taper off as the season transitions towards drier months. While June and August also see substantial rainfall, September's totals suggest the lingering effects of summer humidity, creating a vibrant atmosphere before the autumn begins. The consistent precipitation throughout the late summer and early fall ensures that the natural beauty of Azumino remains rich and vibrant.
In September, Azumino experiences a notable shift in humidity, with levels averaging 89%. This marks a slight decrease from the peak summer months of July and August, both of which boast a high 92% humidity, creating a sweltering atmosphere. However, September's humidity remains elevated compared to the cooler months earlier in the year, such as April at 78% and March at 81%. This transitional month often hints at autumn's arrival, bridging the gap between the intense summer moisture and the more moderate levels anticipated in the following months, as October and November hover in the mid-80s. Overall, the persistent humidity in September underscores Azumino's unique climate, balancing lingering summer warmth with the gentle onset of fall.
As summer fades, September in Azumino, Japan, brings a notable shift in UV exposure. With a UV Index of 10, the category is marked as very high, requiring 15 minutes of cautious sun exposure to avoid burns. This follows a peak in August where the UV Index reached 12—the most extreme level of the year. Interestingly, the transition into fall shows a slight decline in UV intensity compared to the scorching summer months, while still remaining a concern for outdoor enthusiasts. As you enjoy the beautiful landscapes of Azumino during this time, it's essential to remain vigilant and protect your skin. For a detailed look at UV trends throughout the year, visit Azumino UV Index.
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As September unfolds in Azumino, the city basks in a welcoming 235 hours of sunshine, marking a gentle transition from the vibrant summer months. This delightful figure represents a slight dip compared to the peak of 291 hours in May and 282 hours in August, yet it still embodies the beauty of autumn's arrival. Following a gradual decline from the sun-soaked days of July and August, September stands as a perfect blend of warmth and the promise of cooler days ahead, inviting residents and visitors alike to enjoy the stunning scenery under a sunlit sky. With October approaching, the sunshine hours further decline to 212, heralding the cozy charm of fall, but September shines brightly as a golden bridge between the lively summer and tranquil autumn.
In September, Azumino experiences a notably low chance of sunny weather, with only a 22% likelihood of clear skies. This trend aligns with the generally cloudy and rainy months that precede it, particularly in June and August, which also reflect poor sunshine prospects at 22% and 24%, respectively. However, as the month transitions into October, the chances improve significantly to 44%, suggesting that the region’s weather pattern begins to shift towards brighter conditions. Overall, September serves as a transitional phase in Azumino's climate, where the likelihood of sun remains low and hints of impending autumn resonate through the cooler, cloudier days.
As summer transitions to autumn in Azumino, Japan, September brings a gentle decline in daylight hours, offering approximately 12 hours of sunlight each day. This gradual tapering from the long, vibrant days of July and August reflects a broader trend in the region: daylight duration peaks in late spring and summer, reaching 14 hours at its zenith, before gradually receding as the year progresses. With October ushering in an additional decrease to 11 hours of daylight, this seasonal shift serves as a poignant reminder of nature's rhythm, inviting locals and visitors alike to savor the softer light and milder temperatures before the winter months draw near.
As September arrives in Azumino, Japan, the gentle embrace of the wind begins to soften, with an average speed of 1.5 m/s (3 mph). This marks a subtle decline from the bustling summer months, where breezes seemed to dance through the vibrant landscapes. Interestingly, the trend of decreasing wind speeds is a familiar tale throughout the warmer season, with July and August recording the lowest gusts of the year at 1.3 m/s (3 mph) and 1.6 m/s (4 mph), respectively. This slight slowdown in September hints at the approaching autumn, creating a serene backdrop for enjoying the area's stunning natural beauty. As the year progresses, wind speeds gradually pick up yet again, offering a rhythm that mirrors nature’s own seasonal changes, bringing with it the promise of cooler days ahead.
Weather in Azumino varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Azumino, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns. September features a mild climate with average temperatures around 19°C (66°F) and highs reaching up to 30°C (86°F), along with considerable rainfall totaling 222 mm (8.7 in) over 19 days. The high humidity of 89% adds to the summer feel. In stark contrast, January is characterized by much colder temperatures, averaging -2°C (28°F) and plummeting to lows of -16°C (4°F), making outdoor activities quite different. Although January experiences less precipitation, with 99 mm (3.9 in) over 16 days, the humidity remains similar at 88%. For a more detailed view of January weather, you can check Azumino weather in January.
September and February present starkly contrasting weather conditions. In September, the temperatures range significantly from a cool 6°C (43°F) at night to a warm 30°C (86°F) during the day, with an average of 19°C (66°F). This month also experiences considerable rainfall, totaling 222 mm (8.7 in) across 19 days, contributing to a high humidity level of 89%. In contrast, February is characterized by much colder temperatures, with nighttime lows plunging to -18°C (1°F) and average daytime temperatures hovering around -1°C (30°F), reaching a maximum of 16°C (61°F). Precipitation in February is also less, at 97 mm (3.8 in) over 13 days, with humidity slightly lower at 86%. For more detailed information, visit Azumino weather in February.
September and March present contrasting weather experiences, marked by significant differences in temperature and precipitation. In September, temperatures range from a minimum of 6°C (43°F) to a warm maximum of 30°C (86°F), with an average of 19°C (66°F). However, it’s also a particularly wet month, receiving 222 mm (8.7 in) of rain over 19 days and maintaining a high humidity level of 89%. In contrast, March experiences colder conditions, with temperatures dropping as low as -8°C (17°F) and peaking at 21°C (69°F), culminating in an average of 4°C (40°F). With 152 mm (6.0 in) of precipitation over 14 days and a slightly lower humidity of 81%, March marks a transition toward warmer weather. For a closer look at the specific conditions during this month, check Azumino weather in March.
In comparing September and April weather, September boasts a wider temperature range, with minimums around 6°C (43°F) and maximums soaring to 30°C (86°F), while April experiences cooler temperatures, ranging from a minimum of -5°C (23°F) to a maximum of 26°C (79°F). The average temperature in September is a comfortable 19°C (66°F), significantly warmer than April's average of 9°C (48°F). However, September is also marked by higher precipitation levels, with 222 mm (8.7 in) falling over 19 days, compared to April's 156 mm (6.1 in) over 13 days. Additionally, humidity tends to be higher in September at 89%, compared to April's 78%. For more detailed insights, check out Azumino weather in April.
September and May exhibit distinct weather patterns and temperature ranges. In September, temperatures fluctuate from a minimum of 6°C (43°F) to a maximum of 30°C (86°F), with an average of 19°C (66°F). The month also sees relatively high humidity at 89% and considerable rainfall, totaling 222 mm (8.7 in) over 19 days. In contrast, May experiences cooler minimum temperatures, dipping to -1°C (31°F), with an average temperature of 15°C (59°F) and similar maximums of 30°C (86°F). Precipitation is lower in May, at 179 mm (7.0 in) across 14 days, and humidity is slightly less at 81%. For further details on weather trends during this time, you can check Azumino weather in May.
In comparing the weather of September and June, we see subtle yet notable differences. September typically experiences slightly warmer temperatures, with an average of 19°C (66°F) compared to June's average of 18°C (65°F). However, both months share similar temperature ranges, with minimums around 6°C (43°F) and maximums of 30°C (86°F) in September and 29°C (84°F) in June. Precipitation is more significant in September, totaling 222 mm (8.7 in) over 19 days, while June has 194 mm (7.7 in) spread over 16 days. Humidity levels are nearly comparable, with September at 89% and June at 88%. For a detailed look at June weather specifically, you can check out Azumino weather in June.
In comparing the weather between September and July, September offers a wider temperature range with minimums dropping to 6°C (43°F) and maximums peaking at 30°C (86°F), averaging around 19°C (66°F). In contrast, July typically sees milder minimum temperatures of 14°C (58°F) and can rise to 33°C (91°F), with an average of 22°C (72°F). While September experiences a significant amount of rainfall at 222 mm over 19 days, July is wetter overall, with 333 mm of precipitation over 21 days. Humidity remains high in both months, peaking slightly in July at 92% compared to September’s 89%. For more details on July weather, you can check Azumino weather in July.
Comparing the weather in September and August reveals notable differences. September experiences a cooler temperature range, with minimums dropping to 6°C (43°F) and average highs reaching 30°C (86°F), while August boasts milder conditions with minimums of 11°C (52°F) and maximums of 34°C (93°F). While both months see considerable precipitation, September receives 222 mm (8.7 in) over 19 days, slightly more than August's 197 mm (7.8 in) over 17 days. Additionally, September has a marginally lower humidity level at 89% compared to August's 92%. For more detailed insights on August weather, you can check Azumino weather in August.
September and October showcase a notable shift in weather patterns. September typically experiences warmer temperatures, with a minimum of 6°C and an average high of 30°C, while October sees cooler conditions, dropping to a minimum of 0°C and an average high of 26°C. Precipitation also increases slightly in October, totaling 255 mm compared to September's 222 mm, although both months share the same number of rainy days at 19. Humidity remains relatively high, with September at 89% and October slightly lower at 87%. For a closer look at October's specific weather patterns, you can explore Azumino weather in October.
September and November exhibit a stark contrast in weather characteristics. In September, temperatures can range from a mild 6°C (43°F) in the early morning to a warm 30°C (86°F) during the day, offering an average of 19°C (66°F). However, it's also a wet month, with 222 mm (8.7 in) of precipitation spread over 19 days, leading to high humidity at 89%. In contrast, November experiences much cooler temperatures, with a minimum of -4°C (25°F), an average of 7°C (44°F), and a maximum of only 19°C (67°F). The precipitation drops significantly to 83 mm (3.3 in) over 13 days, along with a slight decline in humidity to 85%. For more detailed weather information, you can check Azumino weather in November.
September and December present a stark contrast in weather patterns. September typically enjoys milder temperatures, with a minimum of 6°C (43°F) and an average high of 30°C (86°F), while December sees much chillier conditions, plummeting to a minimum of -9°C (17°F) and an average of just 1°C (34°F). Precipitation in September is significantly higher at 222 mm (8.7 in) over 19 days, compared to December's 109 mm (4.3 in) across 16 days. Humidity levels remain relatively similar, but September's more humid atmosphere at 89% feels markedly different from December's slightly lower 86%. For those interested in more specific December weather conditions, you can explore Azumino weather in December.
September in Azumino marks a notable transition in weather patterns, offering a unique blend of warmth and moisture. As summer wanes, temperatures become more moderate, making outdoor activities pleasantly enjoyable. However, the heightened humidity and increased rainfall—often seen over nearly two-thirds of the month—set September apart from drier summer months. This creates a lush, vibrant landscape that invites exploration while reminding us of nature's dynamic rhythms. For those interested in the broader climate context, more detailed insights can be found at Azumino Climate.