Last updated: August 21, 2025
In September, Hirosaki, Japan, experiences a diverse climate that showcases the transition from summer to autumn. The temperature ranges from a maximum of 34°C (93°F) to a minimum of 5°C (42°F), with a comfortable average of 19°C (66°F). This month is characterized by significant humidity, averaging 89%, which contributes to the feeling of warmth even as the season changes. Rainfall is common, with 140 mm (5.5 in) of precipitation spread over 14 days, adding to the lush scenery that Hirosaki is known for. As the days grow shorter, the blend of warm temperatures and occasional showers offers a captivating ambiance perfect for exploring the region's natural beauty.
In September, Hirosaki, Japan, experiences a delightful transition from the summer heat to the crispness of autumn. With temperatures ranging from a low of 5°C (42°F) to a comfortable high of 34°C (93°F), the month offers a pleasant average of 19°C (66°F), making it one of the most enjoyable times of the year. As the warm days of August fade, September showcases the beautiful shift in seasons, inviting locals and visitors alike to enjoy outdoor activities amidst the colorful autumn foliage. This month stands out as a refreshing reprieve, as cooler evenings hint at the impending chill of October, while still keeping summer's warmth alive during the day.
In September, Hirosaki experiences a noteworthy shift in precipitation, accumulating 140 mm (5.5 in) of rainfall over 14 days. This marks a slight decrease from August's substantial total of 183 mm (7.2 in), yet it remains one of the wetter months of the year. The change signals the transition from summer to autumn as cooler temperatures begin to set in. Interestingly, September's rainfall is comparable to the wetter months immediately preceding it, emphasizing a trend of sustained moisture throughout the late summer and early fall. As the region prepares for October, which typically brings even higher precipitation levels at 175 mm (6.9 in), Hirosaki's lush landscapes continue to thrive under the influence of seasonal rain.
September in Hirosaki, Japan, ushers in a notable shift in humidity, settling at 89% after the peak of summer. Following the sultry months of July and August, where humidity levels soar to an impressive 95% and 97%, the early autumn brings a slight reprieve, though still quite moist compared to the rest of the year. This lingering humidity hints at the transition to cooler, crisper days, yet it remains elevated when compared to the drier months of late fall and winter. As the year progresses, humidity gently tapers off, showcasing a clear seasonal ebb and flow that enhances Hirosaki's lush landscapes while inviting visitors to appreciate its vibrant autumn hues.
In September, Hirosaki experiences a UV Index of 9, indicating a very high level of sun exposure. As summer begins to fade, the sun’s intensity remains significant, demanding vigilance during outdoor activities with a burn time of just 15 minutes. This marks a slight decrease from the extreme levels of August, yet still emphasizes the importance of sun protection. Trends throughout the months reveal an upward trajectory leading to August’s peak, followed by a gradual decline in October. As you enjoy the transition into autumn, be sure to stay informed about the local UV conditions to protect your skin. For more details, check out Hirosaki UV Index.
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As September rolls in Hirosaki, Japan, the warm glow of sunshine continues to grace the city with 266 hours of daylight, a beautiful blend of summer’s vibrancy and autumn's impending calm. This month stands as a transition, with sunlight still abundant but gently declining from the peak of 316 hours in July. Interestingly, despite the decreasing hours, September remains a luminous period, showcasing a gradual descent in sunlight as it prepares the landscape for the dreamy hues of October, which offers 227 hours. This ebb and flow of light throughout the year reflects a captivating rhythm, inviting locals and travelers alike to enjoy outdoor festivities under the softening rays of the September sun.
In Hirosaki, Japan, September offers a 31% chance of sunny weather, which aligns closely with the trends seen in the months adjacent to it, particularly August at 19% and October at 34%. This indicates a subtle transition into autumn, where the likelihood of sun begins to increase again. Compared to the more variable weather patterns of summer, where June and July have similar probabilities of sunshine at 30% and 33% respectively, September introduces a more consistent weather expectation for outdoor activities. It's a time when nature is still vibrant, making it an ideal month for enjoying the last whispers of summer before the chill of winter sets in.
As September unfolds in Hirosaki, Japan, daylight begins to wane, offering 12 hours of sunlight—a gentle transition from the longer days of summer. The month serves as a bridge between the vibrant, sun-drenched days of June and the more subdued light of October, which sees daylight decline to 11 hours. Following the peak of 15 hours in June, September is reminiscent of the earlier spring months, echoing the gradual increase of light from March's 11 hours. As autumn approaches, the shift in daylight not only marks a change in the seasons but also invites a cozy ambiance, perfect for enjoying the warm colors of fall.
As September arrives in Hirosaki, the gentle breeze, averaging 2.1 m/s (5 mph), mirrors the transition into autumn. Following a summer characterized by milder winds, September’s gusts remain consistent with the gentle patterns of August and October, suggesting a tranquil shift in the air. Prior to this, the spring months experienced slightly stronger winds, peaking in February at 3.6 m/s (8 mph), while the summer months notably saw a decline as the atmosphere settled. This subtle dance of air currents not only reflects seasonal change but also enhances the serene beauty of Hirosaki as it embraces the vibrant hues of fall.
Weather in Hirosaki varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hirosaki, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present strikingly different weather patterns. In September, temperatures range from a mild 5°C (42°F) at night to a warm average of 19°C (66°F), peaking at 34°C (93°F) during the day. This month also sees high humidity at 89% and significant rainfall, with 140 mm (5.5 in) of precipitation over about 14 days. In contrast, January is characterized by much colder temperatures, featuring a minimum of -17°C (2°F), an average of -3°C (28°F), and a maximum of 5°C (42°F). Although January experiences less precipitation than September, with 84 mm (3.3 in) falling over 18 days, its humidity remains relatively low at 79%. For more detailed information about January’s weather, you can refer to Hirosaki weather in January.
September and February present stark contrasts in weather. In September, temperatures range from a mild 5°C (42°F) to a warm 34°C (93°F), with an average of 19°C (66°F). The month experiences considerable rainfall, accumulating 140 mm (5.5 in) over approximately 14 days, accompanied by high humidity levels at 89%. In contrast, February is much colder, featuring a temperature range from a frigid -13°C (9°F) up to 8°C (46°F), with an average temperature of -2°C (29°F). This month sees slightly less precipitation, totaling 116 mm (4.6 in) over 22 days, and a lower humidity of 78%. To learn more about February weather specifics, visit Hirosaki weather in February.
September and March exhibit stark contrasts in weather conditions. In September, temperatures range from a mild 5°C (42°F) at night to a high of 34°C (93°F) during the day, accompanied by significant humidity at 89%. The month also sees about 140 mm (5.5 in) of precipitation over 14 days, making it a relatively wet period. In contrast, March experiences much colder temperatures, with lows dropping to -11°C (13°F) and a maximum of 16°C (62°F). Although slightly drier with 112 mm (4.4 in) of rain over 17 days, March has lower humidity at 77%. For more detailed insights into March weather, you can visit Hirosaki weather in March.
In comparing the weather of September and April, it's clear that both months present distinct seasonal characteristics. September enjoys a much warmer average temperature of 19°C (66°F), with maximums reaching up to 34°C (93°F), while April's averages are significantly cooler at 7°C (45°F) and peak temperatures of 23°C (73°F). Additionally, September experiences higher humidity levels at 89%, compared to April's 78%. Both months feature considerable rainfall, with September receiving 140 mm (5.5 in) over 14 days, just slightly more than April's 129 mm (5.1 in) across 17 days. For more specifics on April's weather conditions, you can explore Hirosaki weather in April.
When comparing the weather in September and May, a few notable differences stand out. September generally offers warmer temperatures, with minimums around 5°C (42°F) and maximums reaching up to 34°C (93°F), whereas May features cooler conditions with minimums of 2°C (36°F) and maximums of 28°C (83°F). Although September has slightly more precipitation at 140 mm (5.5 in) over 14 days compared to May's 111 mm (4.4 in) over 13 days, the humidity levels are quite similar, with September at 89% and May at 86%. For a more detailed look at May's weather, you can check Hirosaki weather in May.
September and June exhibit some similarities in weather patterns, yet also showcase distinct differences. In both months, the average temperatures are relatively mild, with September having a minimum of 5°C and a maximum of 34°C, compared to June's minimum of 6°C and a maximum of 29°C. Precipitation levels are comparable, with September experiencing 140 mm over 14 days and June receiving slightly more at 141 mm over 13 days. However, September has slightly lower humidity at 89% compared to June's 91%, making for a slightly more comfortable feel. For more specific information, you can explore Hirosaki weather in June.
September and July exhibit notable differences in weather patterns. In September, temperatures experience a broader range, with a minimum of 5°C (42°F) and a maximum of 34°C (93°F), while the average hovers around 19°C (66°F). In contrast, July maintains milder temperatures, with a minimum of 13°C (56°F) and a maximum of 33°C (91°F), leading to a slightly higher average of 22°C (72°F). Although September experiences less precipitation, totaling 140 mm (5.5 in) over 14 days, July is wetter, with 152 mm (6.0 in) across 17 days. Additionally, humidity levels are slightly higher in July at 95% compared to September's 89%. For more detailed insights on July weather, you can visit Hirosaki weather in July.
In comparing the weather between August and September, we observe a notable decrease in temperatures. September features a minimum of 5°C (42°F) and an average temperature of 19°C (66°F), while August sees warmer conditions with a minimum of 13°C (55°F) and an average of 23°C (74°F). Despite having similar maximum temperatures, with September reaching 34°C (93°F) and August peaking at 35°C (95°F), September experiences an increase in precipitation, totaling 140 mm (5.5 in) over 14 days compared to August's 183 mm (7.2 in) over 17 days. Additionally, humidity levels drop slightly from 97% in August to 89% in September. For more details on August weather, visit Hirosaki weather in August.
September weather tends to be warmer, with average temperatures around 19°C (66°F) and highs reaching up to 34°C (93°F), while experiencing significant humidity at 89%. In contrast, October brings cooler temperatures, with a drop to an average of 12°C (54°F) and maximums peaking at 25°C (78°F). Despite the overall drop in temperature, October sees slightly more precipitation, totaling 175 mm (6.9 in) over the same number of rainy days. For more details on October weather, you can check Hirosaki weather in October.
September typically offers a warm climate with average temperatures around 19°C (66°F) and highs reaching up to 34°C (93°F), accompanied by high humidity at 89%. The month is marked by significant rainfall, totaling 140 mm over approximately 14 days. In contrast, November ushers in much cooler weather, with average temperatures dropping to 6°C (43°F) and minimums plunging as low as -10°C (15°F). Though it is slightly drier with 115 mm of precipitation over 17 days, the humidity also decreases to 78%. For more detailed information on November weather specifics, you can check out Hirosaki weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures can soar from a refreshing 5°C (42°F) to a high of 34°C (93°F), with an average of 19°C (66°F) and heavy precipitation totaling 140 mm (5.5 in) spread over 14 days, contributing to a humid atmosphere with humidity levels reaching 89%. In contrast, December sees a significant drop in temperature, with minimums hitting -10°C (14°F) and an average of -1°C (31°F), rarely exceeding 12°C (55°F). Although December features slightly less precipitation at 133 mm (5.2 in), it occurs over more days, with rainfall or snowfall spreading over 25 days, while humidity levels decrease to 77%. For more detailed information, you can check Hirosaki weather in December.
As September unfolds in Hirosaki, the weather presents a distinct transition from the sweltering heat of summer to the crispness of autumn. With an average temperature of 19°C and occasional highs reaching 34°C, the days can still feel warm, but the nights start to cool significantly. This month also sees an uptick in humidity and precipitation, with rain appearing on nearly half the days, creating a lush, vibrant landscape. Compared to the dry summers and the chilly winters, September offers a unique blend of warmth and moisture, making it a fascinating time to experience Hirosaki's changing climate. For more detailed insights into the weather patterns through the year, visit Hirosaki Climate.