Last updated: August 21, 2025
September in Utsunomiya, Japan, brings a blend of warmth and occasional rainfall, making it a dynamic month for weather enthusiasts. Maximum temperatures can soar up to 34°C (94°F), giving way to a more comfortable average of 23°C (73°F), while nighttime lows settle around 11°C (53°F). With precipitation amounting to 153 mm (6.0 in) spread over 17 days, the air remains humid at 89%, creating a lush atmosphere. Whether you're exploring the vibrant city or enjoying nature's beauty, be prepared for both sunny days and refreshing showers.
In September, Utsunomiya begins to transition from the sweltering heat of summer to the cooler embrace of autumn. With minimum temperatures averaging a comfortable 11°C (53°F), the city experiences a delightful blend of warmth during the day, reaching a maximum of 34°C (94°F), yet still retaining a mild nights' embrace. The average temperature settles around 23°C (73°F), making it an ideal time for outdoor activities as the oppressive humidity of summer starts to fade. This month marks a shift in the climate, promising clear skies and pleasant evenings, offering residents and visitors a perfect backdrop to enjoy the beauty of early autumn in Japan.
In September, Utsunomiya experiences a notable increase in precipitation, with average rainfall reaching 153 mm (6.0 in) over 17 days. This marks a peak in the late-summer wet season, following the substantial rainfall of July and August. Notably, September’s precipitation demonstrates a steady upward trend as the city transitions from the hotter months to the cooler fall season. While July remains the wettest month overall, the increase in September's rainfall highlights the region's shift towards more unpredictable weather patterns, with a notable drop in precipitation days compared to the preceding month. Such patterns illustrate the intricate interplay of seasonal changes in Utsunomiya's climate, setting the stage for the impending autumn.
September in Utsunomiya, Japan, marks a transition period in humidity levels, typically settling at 89%. This figure reflects a slight dip from the peak summer months of July and August, both hovering at 92%, making September a breath of fresh air as fall approaches. However, it remains higher than the spring months, which see more moderate conditions with humidity levels ranging from 78% to 81%. As the year progresses from September into October, humidity gently decreases to 87%, signifying the onset of cooler, crisper weather. This pattern highlights a distinct seasonal rhythm, where the oppressive moisture of summer gradually gives way to the refreshing dryness of autumn.
September in Utsunomiya, Japan, marks a significant transition as the summer heat begins to wane, yet the UV Index remains high, registering at 9. This classification falls into the very high exposure category, requiring caution as the recommended burn time is just 15 minutes. Following a trend from the peak summer months, where July reached an extreme index of 11, September's levels encourage continued vigilance against UV exposure. As autumn approaches, it's crucial to remain aware of the sunlight's intensity, ensuring proper skin protection during outdoor activities. For more detailed insights, visit Utsunomiya UV Index.
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September in Utsunomiya, Japan, marks a transitional phase where the warmth of summer begins to wane, boasting 221 hours of sunshine. This sunny month, while slightly less luminous than the bustling summer months of July and August, continues a trend of bright days that peaks in May with 274 hours. Early autumn showers its charm on this vibrant city, just as the hours of sunshine gradually decrease, with October's forecast showing 204 hours. As daylight lessens, September offers a perfect blend of lingering warmth and mild breezes, inviting residents and visitors alike to bask in the serene beauty of nature before the onset of cooler days ahead.
In September, Utsunomiya, Japan experiences a 25% chance of sunny weather, which places it on the lower end of the spectrum compared to other months in the year. Following the peak sunny months of January and February, the likelihood of sunshine begins to wane significantly, dipping through the summer with July and August at 25% and 27%, respectively. As autumn approaches, the forecast gradually improves again in October, rising to 45%. This pattern reveals a striking trend: while September offers a modest opportunity for sunny days, the seasonal transition suggests that clear skies are more likely to return as fall deepens, inviting a refreshing change for residents and visitors alike.
As September rolls into Utsunomiya, Japan, the lush warmth of summer begins to fade, signaling a transition in daylight hours. After enjoying a generous 14 hours of sunlight during the peak summer months of May through July, residents experience a gradual decline, with September offering a still-respectable 12 hours of daylight. This shift highlights a steady decrease in sunlight as the days grow shorter, heralding the approach of autumn. The rich interplay of light and shadow during this month not only enhances the landscape's natural beauty but also invites locals to savor the last vestiges of summer before the cooler months arrive, marking a poignant end to the vibrant long days of summer.
As September unfolds in Utsunomiya, Japan, the average wind speed maintains a steady 2.0 m/s (5 mph), mirroring the gentle breezes of October. This consistency reflects a transitional period in the region's climate, where summer's lingering warmth begins to yield to the cooler embrace of autumn. Notably, after a peak of 2.6 m/s in February, wind speeds have gradually tapered, with the slowest gusts occurring in the heat of July at just 1.5 m/s (3 mph). However, the mild September winds breathe a refreshing closeness, reminiscent of spring's awakening, suggesting that nature is gracefully shifting towards the vibrant colors of fall while ensuring a comfortable atmosphere for those enjoying the late summer sun.
Weather in Utsunomiya varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Utsunomiya, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in September and January, it’s clear that these months present striking contrasts. September boasts warmer temperatures, with minimums around 11°C (53°F) and averages reaching up to 23°C (73°F), peaking at 34°C (94°F). However, it also experiences considerable precipitation, averaging 153 mm (6.0 in) over 17 days, coupled with high humidity levels of 89%. In contrast, January brings a frigid chill, with temperatures dropping as low as -12°C (10°F) and average daytime highs around 4°C (39°F), reaching a maximum of 17°C (62°F). The month is much drier, with only 35 mm (1.4 in) of precipitation occurring over 5 days, while the humidity remains similar at 88%. For a more detailed look at January’s conditions, you can visit Utsunomiya weather in January.
September in Utsunomiya is characterized by warm temperatures, with a minimum of 11°C (53°F) and an average high reaching 34°C (94°F). This month also experiences considerable rainfall, totaling 153 mm (6.0 in) over about 17 days, along with high humidity at 89%. In contrast, February presents a starkly different climate, featuring cooler temperatures that range from a minimum of -5°C (23°F) to a maximum of 21°C (70°F), with an average of just 5°C (41°F). Precipitation is significantly lower in February, at 38 mm (1.5 in) over only 6 days, and humidity hovers at a slightly lower 86%. For a more detailed look at February weather in Utsunomiya, visit Utsunomiya weather in February.
When comparing the weather between September and March, it's clear that each month presents distinct characteristics. September boasts warmer temperatures, with a minimum of 11°C (53°F) and reaching highs of up to 34°C (94°F), compared to March's range of -4°C (24°F) to a maximum of 24°C (76°F). Additionally, September experiences higher humidity at 89% and significantly more rainfall, averaging 153 mm (6.0 in) over 17 days, whereas March sees less precipitation, with 125 mm (4.9 in) spread over 11 days and slightly lower humidity at 81%. For a detailed look at March conditions, you can check Utsunomiya weather in March.
In September, the weather is noticeably warmer, with temperatures ranging from a minimum of 11°C (53°F) to a scorching maximum of 34°C (94°F). The month also experiences higher humidity at 89% and considerable rainfall, averaging 153 mm (6.0 in) over 17 days. In contrast, April brings cooler temperatures, with a minimum dipping to -1°C (31°F) and an average high of 29°C (84°F). Rainfall is less prevalent, totaling 115 mm (4.5 in) across 11 days, and the humidity is slightly lower at 78%. For a detailed overview of the climate, check out Utsunomiya weather in April.
In comparing September and May weather, September tends to be warmer and more humid, with average temperatures peaking at 23°C (73°F) and maximums reaching as high as 34°C (94°F). Conversely, May sees a milder average temperature of 19°C (66°F) and similar maximums of 34°C (93°F), but it starts off cooler with minimums of 5°C (41°F). Precipitation is notably higher in September at 153 mm (6.0 in) over 17 days compared to May's 124 mm (4.9 in) over 12 days. The humidity in September is also higher, averaging 89% compared to 81% in May. For more details on May weather, you can check Utsunomiya weather in May.
September and June exhibit similar temperature patterns, with both months experiencing mild minimum temperatures around 11-12°C (53°F), average highs of 22-23°C (71-73°F), and maximum daytime temperatures reaching between 33-34°C (92-94°F). However, September tends to be slightly warmer on average, and it also sees higher precipitation levels, with 153 mm (6.0 in) over 17 days, compared to June's 132 mm (5.2 in) across 15 days. Humidity levels are comparable, lingering around 88-89%. For more specific details about June weather, you can visit Utsunomiya weather in June.
When comparing the weather in September and July, several key differences emerge. September experiences milder temperatures, with a minimum of 11°C (53°F) and an average of 23°C (73°F), peaking at a maximum of 34°C (94°F). In contrast, July is warmer overall, with a minimum temperature of 18°C (64°F) and an average of 25°C (78°F), reaching highs of up to 37°C (98°F).
Additionally, September sees significant precipitation of 153 mm (6.0 in) over 17 days, while July is even wetter, with 219 mm (8.6 in) across 20 days. Humidity levels are slightly higher in July at 92%, compared to September's 89%. For a more detailed look at July's weather, you can visit Utsunomiya weather in July.
September weather in Utsunomiya shows a noticeable shift compared to August. While September has a lower average minimum temperature of 11°C (53°F) compared to August's 15°C (60°F), it boasts a slightly cooler average maximum of 34°C (94°F) versus August's peak of 36°C (98°F). Precipitation increases in September, with 153 mm (6.0 in) over 17 days, compared to August's 136 mm (5.4 in) spread over 16 days. Humidity remains high in both months, but September's humidity is a bit lower at 89% compared to August's 92%. For more details on the specifics of August, check out Utsunomiya weather in August.
In September, the weather tends to be warmer with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 34°C (94°F) and an average temperature of 23°C (73°F). The month is also quite humid, with humidity levels at 89% and rainfall totaling 153 mm (6.0 in) over 17 days. In contrast, October sees a significant drop in temperature, with minimums reaching 4°C (40°F) and an average of 17°C (64°F), while still experiencing relatively warm maximums of 32°C (89°F). October is characterized by increased precipitation, totaling 210 mm (8.3 in) over 13 days, and a slightly lower humidity of 87%. For more details on the weather specifics in October, you can check out Utsunomiya weather in October.
September and November present contrasting weather patterns, reflective of the transition from summer to winter. In September, temperatures range from a minimum of 11°C (53°F) to a scorching maximum of 34°C (94°F), with an average of 23°C (73°F). The month is characterized by high humidity at 89% and frequent rainfall, totaling 153 mm (6.0 in) over 17 days. In stark contrast, November sees a significant drop in temperatures, with a range from a chilly -2°C (28°F) to a mild maximum of 23°C (74°F), averaging around 12°C (53°F). Precipitation is considerably lower at 56 mm (2.2 in) across just 6 days, and humidity remains slightly lower at 85%. For more details on November weather, visit Utsunomiya weather in November.
In September, the weather is significantly warmer, with an average temperature of 23°C (73°F) and maximums reaching up to 34°C (94°F), while the minimum temperature hovers around 11°C (53°F). This month also experiences high humidity at 89% and substantial rainfall, averaging 153 mm over 17 days. In contrast, December sees much cooler conditions, with average temperatures dropping to 6°C (43°F) and max temperatures capping at 19°C (67°F). The minimum temperature can plunge to -3°C (27°F). Precipitation decreases significantly to 48 mm over just 6 days, and humidity remains relatively high at 86%. For more details on the weather in December, you can check Utsunomiya weather in December.
As September rolls into Utsunomiya, the weather begins to shift from the sweltering summer heat to a more temperate climate. While the days can still reach warm highs, the average temperatures reflect a gradual cooling trend, making the month feel more comfortable compared to the peak summer months. However, it also brings increased precipitation, with almost half of the month experiencing rainfall. This blend of warmth and moisture results in higher humidity levels, making the air feel thick and tropical. If you're curious about the overall climate conditions throughout the year, take a moment to explore Utsunomiya Climate for a deeper understanding of what to expect.