Last updated: August 21, 2025
In September, Konan, Japan experiences a dynamic blend of weather characteristics that shapes its climate. With maximum temperatures reaching up to 37°C (98°F) and an average of 25°C (76°F), the month can be notably warm. However, temperatures can dip to a cool 12°C (54°F), showcasing a varied daily range. This month is also marked by substantial precipitation, with 225 mm (8.9 in) falling over approximately 16 days, contributing to a high humidity level of 87%. Such conditions create a rich tapestry of weather that reflects the transitional nature of early autumn in this picturesque region.
In September, Konan, Japan, begins to transition from the sweltering summer months, with temperatures still holding a warm embrace. The minimum temperature hovers around 12°C (54°F), offering a pleasant start to the month, while the average climbs to a comfortable 25°C (76°F). As the month progresses, residents can expect peak temperatures reaching up to 37°C (98°F), suggesting that late summer warmth is still very much in the air. This pattern of unyielding heat marked by a gradual cooldown, characterizes September as a month of lingering summer vibes, contrasting sharply with the cooling trend that follows in October. It's a time when the vibrant colors of early autumn begin to gently emerge amidst the warmth, making it a fascinating month in Konan’s climate calendar.
In September, Konan, Japan experiences a notable shift in precipitation, receiving 225 mm (8.9 inches) of rain over 16 days. This follows a summer marked by significant rainfall, especially in July, which recorded a staggering 384 mm (15.1 inches), making it the wettest month. While September sees a drop in total precipitation compared to August's 253 mm (10.0 inches), it remains robust, indicative of the lingering effects of the monsoon season. As the days grow shorter and temperatures cool, the steady rainfall reinforces the region's lush landscapes, transitioning smoothly into the dryer months ahead. The continuity of precipitation into October, with 246 mm expected, suggests that hydrating summer storms still play a vital role in shaping the climatic rhythm of Konan.
In September, Konan, Japan, experiences a humidity level of 87%, continuing the trend of high moisture common in late summer. As the sweltering heat of July and August fades, the humidity remains relatively high, signaling a transition into the milder autumn months. This month’s humidity is comparable to that of June, suggesting a consistent atmospheric moisture that lingers before the cooler October temperatures settle in. Overall, the humidity levels throughout the year reflect a characteristic pattern in Konan, with peaks during the summer and gradual declines as autumn progresses, creating a unique climate that defines this charming region.
September in Konan, Japan marks the transition from the scorching summer months to a slightly more temperate climate, but the UV Index remains notably high at 10, indicating a very high level of sun exposure risk. With a burn time of just 15 minutes, residents and visitors alike should take precautionary measures to protect their skin. This trend of extreme UV exposure begins in May and continues through August, peaking at 11. Though September offers a small reprieve from the apex of summer's intensity, UV levels still demand respect as the year moves toward its cooler months. For more detailed insights, visit Konan UV Index.
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In Konan, Japan, September basks in a delightful 244 hours of sunshine, marking a radiant conclusion to summer. This month stands out as a bridge between the sun-drenched days of August, which boasts a remarkable 300 hours, and the more temperate October, featuring 234 hours of sunlight. As the seasons transition, September showcases a gentle decline in daylight hours, but it still benefits from ample sun compared to the earlier months of the year. Notably, sunshine begins to fluctuate after the peak of May, where it reaches 290 hours, highlighting a gradual shift towards the cooler months ahead. Overall, September's warmth and light provide a perfect backdrop for outdoor activities amidst the blossoming autumn scenery.
September in Konan, Japan, presents a moderate likelihood of sunny weather, with a 29% chance of clear skies. This marks a slight increase from the summer months, which saw lower percentages, particularly in June and August, where chances dipped to 23% and 27%, respectively. As autumn approaches, the trend begins to shift upwards, with the likelihood of sunshine notably rising again in October to 56%. Thus, while September might still have its fair share of cloudy days, it hints at a gradual transition towards brighter and sunnier conditions as the season changes, making it a promising time to enjoy the outdoors before the full embrace of autumn sets in.
In September, daylight in Konan, Japan, begins to wane as summer gracefully gives way to autumn. With 12 hours of daylight, the city enjoys a balanced mix of light and shadow, providing a softer transition compared to the longer days experienced in the peak months of June and July, which boast 14 hours each. This gradual decline from the verdant 14 hours of summer reflects a shift toward shorter days, setting the stage for a cozy fall atmosphere. As the month rolls into October, the daylight dips further to 11 hours, foreshadowing the shorter days of winter that follow. Overall, September encapsulates a beauty in shift, blending the lingering warmth of summer with the promise of the crisper days ahead.
In September, Konan, Japan experiences a gentle breeze that reflects the transition into autumn, with an average wind speed of just 1.7 m/s (4 mph). This marks a noticeable dip from the summer months, where winds were more robust, especially in July, when speeds fell to a yearly low of 1.6 m/s. As the seasons shift, the wind seems to echo this change, gradually picking back up in October with a slightly steadier pace of 2.2 m/s. Overall, the waning winds of September offer a calm respite, inviting residents and visitors alike to savor the serene beauty of the changing landscape before the brisker gusts of fall arrive.
Weather in Konan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Konan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a stark contrast in weather patterns. In September, temperatures can soar with a minimum of 12°C (54°F) and an average peak of 25°C (76°F), reaching as high as 37°C (98°F) on particularly hot days. The month is also characterized by significant rainfall, accumulating 225 mm (8.9 in) over 16 days, alongside high humidity at 87%. Conversely, January experiences a much cooler climate, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 18°C (64°F) and an average of just 5°C (41°F). Precipitation is minimal in January, totaling 52 mm (2.0 in) over only 7 days, and humidity remains relatively low at 82%. For more details on January's weather, you can check out Konan weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a mild 12°C (54°F) at night to a sweltering 37°C (98°F) during the day, with an average of 25°C (76°F). This month also sees significant rainfall, totaling 225 mm (8.9 in) over 16 days, contributing to a high humidity level of 87%. In contrast, February experiences much cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 22°C (71°F), averaging just 6°C (42°F). Precipitation is notably lower in February, with only 59 mm (2.3 in) over 6 days, and humidity slightly reduced at 79%. For a closer look at February conditions in Konan, you can visit Konan weather in February.
September and March exhibit contrasting weather patterns. September is characterized by much warmer temperatures, with averages around 25°C (76°F) and maximums reaching up to 37°C (98°F), accompanied by high humidity levels of 87%. However, this month also experiences significant rainfall, totaling 225 mm (8.9 in) over 16 days. In contrast, March is notably cooler, with average temperatures hovering around 10°C (50°F) and minimums dipping as low as -1°C (30°F). Rainfall is less frequent in March, with only 151 mm (6.0 in) across 11 days and lower humidity at 74%. For more detailed insights on March weather, you can visit Konan weather in March.
In comparing the weather of September and April, one can observe significant differences in temperature and precipitation. September typically experiences warmer conditions, with average temperatures around 25°C (76°F) and maximums reaching up to 37°C (98°F), while April is much cooler, with averages of 14°C (58°F) and highs of 29°C (84°F). Additionally, September has more humidity at 87% and higher precipitation levels, receiving 225 mm (8.9 in) over 16 days, compared to April's 163 mm (6.4 in) over just 10 days. For more detailed insights into the climate during April, you can refer to this link: Konan weather in April.
September and May present contrasting weather patterns, with September typically experiencing warmer temperatures alongside higher humidity. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 37°C (98°F), averaging around 25°C (76°F). This month also sees significant rainfall, with precipitation totaling 225 mm (8.9 in) over 16 days and a humidity level of 87%.
In contrast, May is cooler, with temperatures varying from a minimum of 5°C (42°F) to a maximum of 32°C (90°F), and an average temperature of 19°C (67°F). Rainfall is slightly less in May, totaling 196 mm (7.7 in) over 11 days, accompanied by a relatively lower humidity of 83%. For those interested in the specific weather conditions for Konan, please refer to Konan weather in May.
In September, temperatures can reach up to a scorching 37°C (98°F), compared to a maximum of 33°C (91°F) in June. Both months share the same minimum temperature of 12°C (54°F), but September experiences a higher average temperature of 25°C (76°F) versus June's 23°C (74°F). Precipitation is also more substantial in September, with 225 mm (8.9 in) over 16 days, compared to June's 196 mm (7.7 in) across 14 days. Interestingly, the humidity remains constant at 87% in both months, making the atmosphere feel equally muggy. For more detailed information, you can check Konan weather in June.
When comparing the weather in July and September, we see notable differences in temperature and precipitation. In July, the temperatures range from a minimum of 20°C (67°F) to a maximum of 38°C (101°F), with an average of 27°C (81°F). This month is characterized by higher humidity at 93% and considerable rainfall, totaling 384 mm (15.1 in) over 23 days. In contrast, September has a wider temperature range, with minimums of 12°C (54°F) and maximums of 37°C (98°F), averaging 25°C (76°F). While humidity remains relatively high at 87%, the precipitation is lower at 225 mm (8.9 in) over 16 days, indicating slightly drier conditions as summer transitions to autumn. For a detailed look at July's weather specifics, you can explore Konan weather in July.
In comparing the weather of September and August, September experiences slightly cooler temperatures, with minimums around 12°C (54°F) and average highs of 25°C (76°F), compared to August's higher minimum of 19°C (67°F) and average highs of 29°C (84°F). While both months see a similar number of precipitation days at 16, September has a lower total rainfall of 225 mm (8.9 in) compared to August's 253 mm (10.0 in). Humidity is also slightly lower in September at 87%, versus August's 91%. For a detailed overview of August weather, you can refer to Konan weather in August.
September and October present a noticeable shift in weather patterns. In September, temperatures range from a minimum of 12°C (54°F) to a maximum of 37°C (98°F), with an average of 25°C (76°F) and high humidity at 87%. The month experiences significant rainfall, totaling 225 mm (8.9 in) over 16 days. Conversely, October sees cooler temperatures, with a minimum of 7°C (44°F), an average of 19°C (66°F), and a maximum of 32°C (90°F). Rainfall slightly increases to 246 mm (9.7 in) but is spread over just 14 days, maintaining a similar humidity level at 85%. For more detailed insights, check Konan weather in October.
In September, the weather is typically hot and humid, with temperatures ranging from a minimum of 12°C (54°F) to a scorching maximum of 37°C (98°F) and an average temperature around 25°C (76°F). It also experiences significant rainfall, averaging 225 mm (8.9 in) over 16 days, resulting in a high humidity level of 87%. In contrast, November brings a much cooler climate, with temperatures dropping to a minimum of 1°C (33°F), an average of 13°C (55°F), and a maximum of 24°C (76°F). The precipitation decreases substantially to 61 mm (2.4 in) over just 5 days, along with slightly lower humidity at 83%. For a detailed look at the weather in November, you can check out Konan weather in November.
September weather is characterized by warm temperatures, with averages around 25°C (76°F) and highs reaching up to 37°C (98°F). However, this month also brings significant rainfall, with 225 mm (8.9 inches) falling over 16 days, contributing to high humidity levels of 87%. In contrast, December offers a much cooler climate, with average temperatures dropping to 7°C (45°F), ranging from a minimum of -5°C (24°F) to a maximum of 20°C (68°F). Precipitation is markedly lower at 68 mm (2.7 inches), occurring over just 7 days, while humidity remains relatively high at 83%. For more details on December conditions, visit Konan weather in December.
As September rolls in, Konan experiences a unique transition in its weather patterns, marked by warmer temperatures and significant humidity. With an average of 25°C, the month stands out from the cooler summer months, while occasional spikes up to a sweltering 37°C remind us of the lingering summer heat. The notable increase in precipitation, with rain gracing 16 days throughout the month, creates a refreshing contrast to the drier spell that precedes it. This combination of warmth, moisture, and high humidity at 87% sets September apart, making it a time of lush greenery and vibrant landscapes. For more details on the climatic trends and details, visit Konan Climate.