Last updated: August 21, 2025
In September, Aomori, Japan, experiences a notable climate range, showcasing a maximum temperature of 33°C (92°F) and an average temperature of 19°C (67°F), providing warm days balanced by cooler evenings. With a minimum temperature dipping to 7°C (44°F), visitors can expect a refreshing coolness as autumn approaches. This month also witnesses significant precipitation, totaling 124 mm (4.9 in) over approximately 13 days, contributing to the region's lush landscapes. The high humidity level of 89% further enhances the vibrant atmosphere, making September a unique time to explore Aomori's natural beauty amidst its transitional climate.
In September, Aomori experiences a delightful transition as summer gives way to autumn. With temperatures ranging from a min of 7°C (44°F) to a max of 33°C (92°F), the average settles at a comfortable 19°C (67°F). This month marks a noticeable shift from the sweltering heat of August, yet retains warmth during the early days. As the leaves begin to change color, the mild weather invites outdoor activities, making September a charming time to explore the stunning landscapes of Aomori. The gradual cooling trend sets the stage for the crisp days of October, highlighting the region's beautiful seasonal contrasts.
In September, Aomori experiences a moderate precipitation amount of 124 mm (4.9 in), marking a slight decrease from the wetter months of August and July, which often showcase the region's highest rainfall. This month sees rain on approximately 13 days, indicating a relatively balanced distribution of precipitation throughout September. This trend reflects a transition as summer's heavy rains gradually give way to the drier conditions of autumn. Overall, while September remains relatively wet, it anticipates a gradual decline in moisture as the city prepares for the upcoming cooler months, illustrated by the soaring 160 mm (6.3 in) forecasted for October.
In Aomori, Japan, September marks a notable transition in humidity levels, where the average dips to 89% after the sweltering summer months. The city experiences its highest humidity in July and August, peaking at an impressive 97%, which can make the air feel particularly heavy. As the seasons begin to change in September, the humidity drops slightly yet remains elevated compared to other months, reflecting the lingering warmth of summer. This trend of high humidity persists through the spring and summer months, gradually receding into the more temperate conditions of autumn, as evidenced by the 81% humidity recorded in October. Overall, Aomori's humidity paints a vivid picture of its climatic rhythm, transitioning from the saturated heat of summer to the crispness of fall.
In September, Aomori experiences a UV Index of 8, categorizing it as very high. This trend marks a slight decrease from the peak of 11 in August, but it still necessitates caution with a burn time of just 15 minutes. Throughout the summer months, the region witnesses consistently high exposure levels, peaking in July and August, but as September rolls in, the index begins to lower. It's crucial for residents and visitors alike to remain vigilant about sun protection as the sun's intensity wanes but remains formidable. For more detailed information, you can check out Aomori UV Index.
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As summer transitions into autumn, September in Aomori, Japan, offers a delightful mix of warmth and golden hues, basking in 260 hours of sunshine. This month, while slightly less bright than the peak of July and August, still provides ample daylight for outdoor exploration and appreciation of the stunning landscapes. The trend of increasing sunlight from the dreary days of winter peaks in the vibrant spring and summer months, which then gently recedes as the year heads towards the cooler, cloudier days of October. With a picturesque backdrop of colorful foliage, September is a lovely time to experience both the lingering warmth and the encroaching coolness of autumn in Aomori.
In September, Aomori experiences a 34% chance of sunny weather, which reflects a slight uptick from the summer months, yet remains lower than the spring and early fall peaks. As the summer heat begins to wane, September strikes a balance between the occasionally dreary days and glimpses of sunshine. Despite being among the more favorable months for clear skies after the often overcast days of August, September's sunny prospects still lag behind the vibrancy of spring. Notably, as we transition into October, this percentage climbs marginally to 36%, indicating a gradual, albeit subtle, increase in sunshine as autumn settles in. Overall, while September may not promise an abundance of sunny days, it offers a refreshing shift towards more manageable weather, inviting both locals and travelers to savor the beauty of Aomori’s landscapes under the sun when it does emerge.
As September unfolds in Aomori, Japan, the daylight duration begins to wane, offering about 12 hours of light each day. Following the summer months of June and July, which basked in 15 and 14 hours of daylight respectively, September marks a gentle transition towards autumn. After the radiant days of summer, where nature comes alive with energy, the gradual decrease in sunlight heralds the approaching coolness of fall. As the days shorten into October, which features 11 hours of daylight, September serves as a beautiful reminder of the balance between light and darkness, inviting residents to embrace the seasonal shift with its own unique charm.
As September unfolds in Aomori, Japan, the average wind speed gently settles at 2.5 m/s (6 mph), marking a transition towards the calmness of autumn. This month's breezes are slightly less brisk compared to the summer months, reflecting a noticeable trend where winds gradually diminish from July’s peak of 2.3 m/s (5 mph) and August’s 2.7 m/s (6 mph). The shift signifies not just a change in weather but a gradual preparation for the cooler, more invigorating winds of October, which see a slight increase to 2.6 m/s (6 mph). Overall, September's winds in Aomori encapsulate a serene yet subtle invitation to embrace the beauty of the approaching fall, characterized by cooler temperatures and a tranquil atmosphere.
Weather in Aomori varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aomori, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures can swing from a cool 7°C (44°F) at night to a warm 33°C (92°F) during the day, with an average of 19°C (67°F). The month also sees a considerable amount of rainfall, accumulating to 124 mm (4.9 in) over 13 days, accompanied by high humidity at 89%. In contrast, January is characterized by frigid temperatures, with minimums reaching -18°C (-1°F) and a maximum of just 6°C (43°F), averaging -2°C (28°F). While precipitation is less frequent, occurring over 16 days, it totals 72 mm (2.8 in) and brings a lower humidity level of 79%. For those interested in a deeper look at January's weather specifics, check Aomori weather in January.
September and February offer starkly contrasting weather conditions. In September, temperatures range from a mild 7°C (44°F) to a warm 33°C (92°F), with an average of 19°C (67°F), accompanied by high humidity at 89%. This month also sees considerable rainfall, accumulating 124 mm (4.9 in) over 13 days. In contrast, February experiences much colder temperatures, with a minimum of -10°C (14°F) and a maximum of 8°C (47°F), averaging -2°C (29°F). While precipitation is slightly less at 98 mm (3.9 in), it falls over more days, totaling 20. The humidity is lower in February at 78%, but the overall chill creates a very different atmosphere. For more details, visit Aomori weather in February.
In September, the weather is generally much warmer than in March, with average temperatures reaching around 19°C (67°F) compared to only 3°C (37°F) in March. While September can see maximum temperatures soaring as high as 33°C (92°F), March typically peaks at 17°C (64°F). Additionally, September experiences higher humidity levels at 89% and receives 124 mm (4.9 in) of precipitation over 13 days, whereas March has lower humidity at 77% and slightly less rainfall, totaling 99 mm (3.9 in) over 17 days. This comparison highlights the significant seasonal shift from the warm, humid conditions of September to the cooler, more variable climate of March. For more details on March weather, you can visit Aomori weather in March.
September and April present quite contrasting weather patterns. In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 33°C (92°F), with an average temperature of 19°C (67°F). The month is characterized by high humidity at 89% and considerable precipitation, totaling 124 mm (4.9 in) over 13 days. In contrast, April experiences cooler conditions, with temperatures dipping as low as -4°C (25°F) and peaking at 23°C (74°F), averaging just 8°C (47°F). While April sees slightly less precipitation at 113 mm (4.4 in), it occurs over more days—16 in total—and maintains a lower humidity level of 78%. For a more detailed look at the weather during this time, visit Aomori weather in April.
September weather tends to be warmer and more variable compared to May, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F) and an average of 19°C (67°F). In contrast, May has a cooler temperature range, with minimums of 4°C (39°F) and maximums reaching up to 31°C (88°F), averaging around 14°C (58°F). Both months experience a similar number of rainy days, with September seeing 124 mm (4.9 in) of precipitation compared to May's 109 mm (4.3 in). Humidity levels are slightly higher in September at 89%, while May maintains a lower humidity level of 86%. For more detailed information about May weather, you can check Aomori weather in May.
In comparing the weather of September and June, both months feature similar temperature ranges, with September's minimum temperature slightly lower at 7°C (44°F) compared to June's 7°C (45°F). However, the average temperatures are comparable, with September reaching 19°C (67°F) and June at 18°C (64°F). Peak temperatures are also close, as September can reach up to 33°C (92°F) while June maxes out at 31°C (87°F). Rainfall is slightly higher in September, with 124 mm (4.9 in) over 13 days, while June sees 134 mm (5.3 in) over the same number of days. Humidity levels are quite similar, hovering around 89% in September and 91% in June. For a more detailed look at the weather, you can visit Aomori weather in June.
When comparing the weather in September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F), while July features warmer temperatures, with minimums around 13°C (55°F) and an average of 22°C (73°F). Both months see a maximum temperature of 33°C (92°F), but July experiences more overall precipitation at 152 mm (6.0 in) over 16 days compared to September's 124 mm (4.9 in) over 13 days. Additionally, humidity levels are higher in July at 95%, compared to September's 89%. For more detailed insights, you can refer to Aomori weather in July.
In comparing the weather between September and August, September features a broader temperature range with a minimum of 7°C (44°F) and a maximum of 33°C (92°F), whereas August has higher overall temperatures, ranging from a minimum of 13°C (55°F) to a maximum of 35°C (95°F). Additionally, September is marked by slightly less precipitation at 124 mm (4.9 in) over 13 days compared to August's 183 mm (7.2 in) across 16 days, making it a drier month. Humidity levels also drop from August's high of 97% to September's 89%, contributing to a more comfortable atmosphere as the season transitions. For more details, you can check Aomori weather in August.
In September, temperatures range from a minimum of 7°C (44°F) to a maximum of 33°C (92°F), with an average of 19°C (67°F). This month sees significant rainfall, totaling 124 mm (4.9 in) over 13 days, coupled with high humidity at 89%. In contrast, October experiences cooler temperatures, with a minimum of 2°C (36°F), an average of 13°C (56°F), and a maximum of 27°C (80°F). Precipitation increases to 160 mm (6.3 in) across the same number of rainy days, though humidity drops slightly to 81%. For more detailed information about weather patterns, you can check Aomori weather in October.
In September, the weather is characterized by warm temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F), with an average of 19°C (67°F). This month also sees significant humidity at 89% and a total precipitation of 124 mm (4.9 in) over 13 days. In contrast, November experiences much cooler conditions, with temperatures dropping significantly; the minimum is -8°C (17°F), the average is 7°C (44°F), and the maximum is 20°C (68°F). Despite having precipitation on 16 days, November’s total rainfall is lower at 91 mm (3.6 in), and the humidity level decreases to 78%. For more detailed insights into November weather, you can visit Aomori weather in November.
In September, the weather is generally warm, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F), averaging around 19°C (67°F). The month experiences significant precipitation, with 124 mm (4.9 in) falling over 13 days and a high humidity level of 89%. In contrast, December ushers in much colder temperatures, with a minimum of -10°C (15°F) and a maximum of 13°C (56°F), averaging at 0°C (32°F). Although slightly less precipitation is recorded at 108 mm (4.3 in), it occurs over a longer period of 23 days, and humidity drops to 77%. For more detailed information on December weather in Aomori, you can visit Aomori weather in December.
As September unfolds in Aomori, the weather presents a captivating transition. This month swells with warmth, peaking at a sultry 33°C (92°F), yet the average temperature settles comfortably around 19°C (67°F), offering a delightful respite from the summer's heat. However, as the days progress, the cooler nights remind residents and visitors alike that autumn is on the horizon, with lows dipping to 7°C (44°F). With 124 mm (4.9 in) of rain spread across 13 days, September is notably wetter than the preceding summer months, marked by high humidity at 89%, creating a lush atmosphere ideal for exploring the vibrant landscape. For a deeper insight into Aomori's seasonal shifts, visit Aomori Climate.