Last updated: August 21, 2025
In September, Konan, Japan experiences a blend of warmth and humidity, with temperatures reaching a maximum of 35°C (96°F) and an average of 24°C (75°F). The month is characterized by a minimum temperature of 14°C (57°F), providing a mild contrast to the heat. Rainfall is notable, with 136 mm (5.4 in) of precipitation over 13 days, contributing to the city's high humidity levels of 87%. This combination creates a lush and vibrant atmosphere, perfect for experiencing the rich cultural tapestry of Konan during this transitional month.
In September, Konan, Japan, experiences a notable transition as summer begins to fade, bringing a refreshing dip in temperatures. With minimums averaging around 14°C (57°F) and soaring daytime highs reaching 35°C (96°F), the month strikes a balance between lingering summer warmth and the anticipation of autumn's cool embrace. This shift is reflected in the average temperature of 24°C (75°F), encouraging both locals and visitors to enjoy outdoor activities before the cooler days of October arrive. The changing weather in September sets the stage for a vibrant fall, making it a delightful time to explore the beauty of Konan.
In September, Konan, Japan experiences significant precipitation, with 136 mm (5.4 in) of rain falling over 13 days. This marks a slight decrease from the previous months, yet it continues the trend of high moisture typical of the summer season. The rainfall, while not as intense as the peaks seen in July, contributes to an overall wet climate as the region transitions into autumn. The consistent rainy days throughout the month highlight the distinct weather patterns in Konan, where September often serves as a bridge between the lush, summer rains and the comparatively drier fall months.
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.
In September, Konan, Japan, experiences a very high UV Index of 10, signaling a shift from the intense summer months where the UV Index peaks at 11. This trend shows a slight decrease in UV radiation, but with a burn time of just 15 minutes, caution remains essential for outdoor activities. As the seasons transition, residents should be mindful to protect their skin during this month, especially as we approach October when the index drops to 7. With the persistent extreme levels observed from May through August, September serves as a reminder that sun safety is crucial year-round. For more information on the UV Index in Konan, visit Konan UV Index.
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September in Konan, Japan, is marked by a pleasant retreat from the summer heat, providing 232 hours of sunshine that gently transitions into autumn. Following the dazzling 292 hours of sunlight in August, this month maintains a healthy brightness without the sweltering intensity of the peak summer months. The sunshine gradually softens, reflecting an overall downward trend as the seasons shift—starting from the year’s high in May, peaking in August, and finally tapering off into the crisp days of October. This balance of sunlight not only enhances the natural beauty of the region but also invites locals and visitors alike to savor the stunning fall foliage that soon follows.
In Konan, Japan, September presents a modest chance of sunny weather at 26%, which is slightly above the summer months of July and August, where probabilities dip to 29% and 23%, respectively. As the year transitions into autumn, the likelihood of sunny days begins to rebound, with October showcasing a more promising 48% chance of sunshine. This gradual increase hints at a shift in weather patterns, moving away from the usually overcast and rainy summer season. Thus, while September may not be the sunniest month, it marks a turning point that sets the stage for clearer skies in the months ahead.
As September rolls in, Konan, Japan experiences a subtle shift in daylight, offering approximately 12 hours of sunlight each day. This marks a gradual decline from the summer peak months of June and July, when the sky basked in a generous 14 hours of daylight. Following the vibrant energy of summer, September's daylight mirrors the transitional nature of the season, moving towards a cozy autumnal vibe. The daylight steadily decreases into October, dipping to 11 hours, suggesting that while the warm hues of summer fade, the beauty of shorter days brings forth a tranquil rhythm to daily life in Konan.
In September, the winds in Konan, Japan, maintain a gentle breeze, averaging 2.3 m/s (5 mph). This marks a continuation of a calm summer, where wind speeds hovered around similar figures in both August and July. As autumn approaches, the breezes remain soft, hinting at a gradual transition rather than an abrupt change. The trend throughout the year reveals a peak in wind speeds during the colder months, particularly from November onwards, while the summer months embrace a more tranquil atmosphere, suggesting a natural rhythm in the climate that residents have come to appreciate.
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 contrasting weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a sizzling 35°C (96°F) during the day, with an average of 24°C (75°F). The month is also quite humid, with an average humidity of 87% and 136 mm (5.4 in) of precipitation spread over 13 days. In stark contrast, January sees much colder temperatures, with nighttime lows plummeting to -7°C (20°F) and daily highs only reaching up to 15°C (60°F), resulting in an average of 4°C (39°F). January is drier, with only 52 mm (2.0 in) of precipitation over just 8 days and slightly lower humidity at 82%. For more detailed information, check out Konan weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a scorching high of 35°C (96°F) during the day, creating an average of 24°C (75°F). This month also sees substantial rainfall, with 136 mm (5.4 in) dispersed over 13 days, coupled with high humidity levels of 87%. In contrast, February brings much cooler temperatures, with nighttime lows dropping to -6°C (21°F) and daytime highs reaching only 19°C (67°F), averaging just 5°C (41°F). Precipitation is lighter in February, averaging 59 mm (2.3 in) over 8 days, and humidity sits at a more moderate 79%. For more detailed weather insights during February, you can visit Konan weather in February.
September and March present contrasting weather experiences. In September, temperatures range from a mild 14°C (57°F) at night to a scorching high of 35°C (96°F) during the day, making it one of the warmest months of the year. The humidity is notably high at 87%, and the month sees substantial rainfall, with 136 mm (5.4 in) spread over 13 days. In contrast, March offers much cooler temperatures, with a minimum of -3°C (27°F) at night and an average of 9°C (49°F) during the day, reaching up to 23°C (73°F) at its peak. Rainfall is slightly less in March at 116 mm (4.6 in) over 11 days, accompanied by a lower humidity level of 74%. For more detailed insights on March weather, you can visit Konan weather in March.
September and April present contrasting weather characteristics. In September, temperatures see a minimum of 14°C (57°F) and can spike to a maximum of 35°C (96°F), averaging around 24°C (75°F). This month also experiences higher humidity at 87% and considerable rainfall of 136 mm (5.4 in) spread over 13 days. In contrast, April offers a much cooler climate with temperatures ranging from a minimum of -1°C (31°F) to a pleasant maximum of 27°C (80°F), averaging 14°C (57°F). It has slightly less precipitation at 138 mm (5.4 in) over 10 days and lower humidity at 76%. For more detailed insights on April weather in this region, check out Konan weather in April.
When comparing the weather in September and May, notable differences emerge in both temperature and precipitation. September typically boasts warmer temperatures, with averages around 24°C (75°F) and a maximum reaching 35°C (96°F), while May's average is cooler at 19°C (66°F) with a maximum of 32°C (89°F). Although both months experience significant rainfall, September sees slightly less with 136 mm (5.4 in) over 13 days compared to May's 144 mm (5.7 in) over 11 days. Humidity levels in September are higher at 87%, making it feel more oppressive than May's moderately humid 83%. For a detailed overview of May weather in a specific region, check out Konan weather in May.
In comparing the weather between September and June, both months exhibit a similar humidity level of 87%, creating a consistently muggy atmospheric experience. September tends to be warmer with an average temperature of 24°C (75°F) and a maximum of 35°C (96°F), while June's average is slightly cooler at 22°C (72°F), peaking at 32°C (90°F). Precipitation levels are comparable as well, with September receiving 136 mm (5.4 in) over 13 days and June slightly higher at 141 mm (5.6 in) over just 12 days. For more details on June weather specifically, you can check out Konan weather in June.
In comparing the weather between September and July, it is evident that July is generally warmer and more humid. July temperatures range from a minimum of 19°C (66°F) to a maximum of 37°C (98°F), with an average of 26°C (80°F). In contrast, September has a slightly cooler temperature range with a minimum of 14°C (57°F) and a maximum of 35°C (96°F), averaging 24°C (75°F). Additionally, July experiences more precipitation, totaling 253 mm (10.0 in) over 19 days, compared to September's 136 mm (5.4 in) over 13 days. The humidity is also higher in July at 93%, while September's humidity sits at 87%. For a detailed overview of the climate, you can check Konan weather in July.
In comparing the weather of September and August, September brings a noticeable decrease in temperatures, with average highs of 24°C (75°F) compared to August's peak of 28°C (83°F). August tends to be hotter overall, featuring more extreme highs that can reach up to 38°C (101°F). However, September experiences slightly more rainfall, with 136 mm (5.4 in) over 13 days, while August has 168 mm (6.6 in) spread over just 12 days. Humidity levels are also marginally lower in September at 87%, compared to August's 91%. For a detailed look at August's climate, you can refer to Konan weather in August.
September and October present a notable shift in weather patterns. In September, temperatures range from a mild 14°C (57°F) to a sweltering 35°C (96°F), with an average of 24°C (75°F) and relatively high humidity at 87%. The month also sees considerable rainfall, accumulating to 136 mm (5.4 in) over 13 days. In contrast, October brings a cooler climate, with temperatures dipping as low as 7°C (45°F) and peaking at 33°C (92°F), translating to a more temperate average of 18°C (65°F). October is characterized by even higher precipitation, totaling 227 mm (8.9 in) over the same number of rain days, but with a slightly lower humidity of 85%. For more detailed information about October's weather, you can visit Konan weather in October.
September typically features a warm and humid climate, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 35°C (96°F) and an average of 24°C (75°F). This month also sees significant rainfall, accumulating to 136 mm (5.4 in) over approximately 13 days, contributing to a high humidity level of 87%. In contrast, November presents a noticeable drop in temperature, with a minimum of -1°C (31°F) and an average of 12°C (54°F), peaking at 25°C (77°F). The weather is much drier by this time, with only 41 mm (1.6 in) of precipitation over about five days and a slight decrease in humidity to 83%. For more detailed information on November weather, you can visit Konan weather in November.
September and December showcase contrasting weather patterns. In September, temperatures range from a minimum of 14°C (57°F) to a sweltering maximum of 35°C (96°F), with an average of 24°C (75°F). This month sees considerable precipitation, totaling 136 mm (5.4 in) over 13 days, and high humidity levels at 87%. In stark contrast, December experiences much cooler conditions, with temperatures dropping as low as -7°C (19°F) and averaging around 6°C (44°F), reaching a maximum of 22°C (72°F). Precipitation is also reduced, with only 63 mm (2.5 in) falling over 8 days and humidity slightly lower at 83%. For more detailed insights about December weather in Konan, you can check Konan weather in December.
As summer transitions to autumn, September in Konan brings a notable change in weather patterns, characterized by relatively warm temperatures and increased humidity. With average highs reaching 35°C (96°F) and an average low of 14°C (57°F), the month experiences a distinct warmth while the air feels notably muggier, with humidity hovering around 87%. Rainfall is also more frequent, contributing to a total precipitation of 136 mm over 13 rainy days. This makes September a month of transition, as the lingering summer heat gives way to the cooler, drier days of fall, setting the stage for the climatic shifts ahead. For detailed climate information, visit Konan Climate.