Last updated: October 30, 2025
September in Boseong, South Korea, is characterized by warm temperatures and notable humidity. The maximum temperature reaches a sizzling 31°C (87°F), while the average hovers around a comfortable 22°C (72°F). As the season transitions, nighttime brings cooler air with lows sinking to 12°C (53°F). Expect significant rainfall with a total of 229 mm (9.0 in) spread over 14 days, making this month particularly lush and vibrant. With humidity levels at a high 80%, the air feels thick, contributing to the region's famous tea cultivation and the beauty of its rolling green landscapes.
In Boseong, South Korea, September heralds the transition from the sweltering summer months to a more temperate climate, offering a delightful respite with an average temperature of 22°C (72°F). As the month unfolds, the mercury dips to a minimum of 12°C (53°F) and peaks at a comfortable 31°C (87°F). This shift in temperature is indicative of the gradual cooling trend that follows the summer's heat, yet it still retains enough warmth for outdoor activities and the vibrant tea plantations to shine. As autumn draws nearer, the evenings start to cool down, foreshadowing the crispness of October while inviting visitors to savor the lingering warmth of late summer days.
September in Boseong, South Korea, marks a significant transition in precipitation patterns, with 229 mm (9.0 in) of rain recorded over 14 days. This substantial rainfall follows the heavy downpours of July and August, which typically bring the summer monsoon season to a close. Notably, September’s precipitation is among the highest of the year, indicative of lingering moisture and the shift toward the autumn months. As the landscape transforms from the vibrant greens of summer to the warmer hues of fall, this month sets the stage for a more temperate climate while still ensuring a robust supply of water for the thriving agricultural region. The pattern of increased rainfall during these late summer months suggests a strong atmospheric influence, making September a pivotal time for both the environment and local farming activities.
As September arrives in Boseong, South Korea, the humidity begins to ease slightly from the peak summer levels, settling at a significant 80%. This month typically marks a transition from the oppressive 95% of July and 93% in August, indicating that while the air remains moist, it is no longer at its most intense. Following the trend observed through the year, September's humidity reflects the gradual shift towards autumn, as it dips just below the sweltering summer figures but remains higher than the preceding months of winter. With a consistent rise observed from the earlier months—starting from 71% in January to June’s recorded 87%—September serves as a reminder of the lingering warmth and complexity of coastal weather, paving the way for the cooler, drier conditions of October to come.
As summer fades into early autumn, September in Boseong, South Korea, presents a very high UV Index of 10. This marks a slight decline from the extreme levels seen in the preceding months of July and August, where the UV Index peaked at 12. Despite this drop, sun safety remains crucial, with a burn time of just 15 minutes for unprotected skin. It's a pivotal time to enjoy the beautiful fall scenery while being mindful of UV exposure—especially with October bringing a further decrease to a high UV Index of 7. For more details on UV levels throughout the year, check out the Boseong UV Index.
UV Risk Categories
In September, Boseong, South Korea, basks in a delightful 265 hours of sunshine, a robust continuation of the summer's luminous legacy. After a peak in August with a striking 313 hours, the sunlight begins to wane mildly, foreshadowing the cooler months ahead. This gradual decline follows a seasonal arc characterized by increasing daylight from January's mere 193 hours to the summer's zenith, showcasing nature's rhythmic dance. Yet, even as September transitions into autumn, it still offers a generous amount of warmth and light, providing a picturesque backdrop for the lush tea fields that Boseong is renowned for, making it a perfect time for visitors to experience the beauty of this region before the days grow shorter.
In Boseong, South Korea, the likelihood of sunny weather sees a notable dip during the summer months, peaking in the early fall. September holds a 28% chance of clear skies, aligning with the murky conditions of July and August, which experience their lowest sun odds at 18% and 28%, respectively. However, as the season transitions into October, the probability of sunshine climbs dramatically to 55%, signaling a promising return to more favorable weather. This trend underscores a shift from the humid, overcast days of summer to the more temperate and bright days of autumn, making September a transition month of mixed weather patterns.
As summer fades, September in Boseong, South Korea, ushers in a gentle transition with 12 hours of daylight. This month marks a slight decline from the sun-drenched days of July and August, where daylight peaked at 14 hours. The impending autumn is reflected in this decrease, as the region shifts from the vibrant energy of summer towards the cozy ambiance of fall. Following September, daylight will continue to dwindle, descending to 11 hours in October and further down to 10 hours by November. This trend captures the essence of seasonal change, highlighting Boseong's rhythmic dance between light and darkness throughout the year.
September in Boseong, South Korea, brings a refreshing turn in the breeze, with an average wind speed of 3.3 m/s (7 mph). As summer winds down, this slight increase from August's slower pace of 2.3 m/s (5 mph) marks a subtle shift toward the crispness of autumn. Interestingly, September's winds match those of May and November, suggesting a transitional comfort that characterizes the onset of fall. This seasonal change is not only a welcome relief after the warmer months but also heralds the enchanting beauty of Boseong's famous tea fields, where the invigorating winds enhance the lush, vibrant landscape. Overall, September sets the stage for a delightful interplay of cool air and rich scenery, embodying the essence of change in this picturesque region.
Weather in Boseong varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Boseong, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather patterns. In September, temperatures range from a mild 12°C (53°F) at night to a warm average of 22°C (72°F), peaking at a hot 31°C (87°F) during the day. The month is characterized by significant rainfall, totaling 229 mm (9.0 in) over 14 days, and a high humidity level of 80%. In contrast, January brings much colder conditions, with temperatures plunging to a minimum of -13°C (9°F) and averaging just 1°C (35°F). The highs hardly reach 17°C (62°F), and precipitation is minimal, amounting to only 29 mm (1.2 in) over just 3 days. Additionally, humidity decreases to 71%, making January feel much crisper compared to the humid warmth of September. For more detailed insights, you can check Boseong weather in January.
September and February present striking contrasts in weather patterns. September boasts warmer temperatures, with averages around 22°C (72°F), and daytime highs reaching up to 31°C (87°F). It is also notably humid, with an average humidity of 80% and frequent precipitation occurring across 14 days, totaling 229 mm (9.0 in). In contrast, February experiences much chillier conditions, characterized by a minimum temperature of -10°C (14°F) and an average of just 3°C (37°F). Rainfall is minimal during this month, with only 33 mm (1.3 in) over just 4 days, and humidity levels are lower at 68%. For more detailed information on February weather, visit Boseong weather in February.
September and March offer contrasting weather experiences. In September, temperatures range from a mild 12°C (53°F) to a high of 31°C (87°F), with an average of 22°C (72°F). This month also sees significant rainfall, totaling 229 mm (9.0 in) over about 14 days, accompanied by a high humidity level of 80%. Conversely, March features much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 22°C (72°F), averaging around 8°C (47°F). The month is significantly drier, with only 76 mm (3.0 in) of precipitation occurring over 7 days and a lower humidity of 67%. For more specifics on March weather, check out Boseong weather in March.
The weather in September is notably warmer than in April, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 31°C (87°F), compared to April's range of 0°C (32°F) to 26°C (79°F). September also experiences significantly higher precipitation, with 229 mm (9.0 in) over 14 days, while April sees only 74 mm (2.9 in) across just 6 rainy days. Despite the slight difference in humidity, with September at 80% and April at 78%, the overall climate in September feels much more humid and wetter compared to the cooler and drier conditions of April. For a detailed look at April weather, you can check Boseong weather in April.
September weather tends to be warmer and wetter compared to May. With average temperatures reaching 22°C (72°F) and a maximum of 31°C (87°F), it offers a more summery feel, while May has a cooler average of 18°C (64°F) with a minimum of just 5°C (41°F). Additionally, September experiences significantly more rainfall, with 229 mm (9.0 in) over about 14 days, compared to May's 107 mm (4.2 in) spread over only 7 days. Humidity is also slightly higher in September at 80%, compared to May’s 85%. For more detailed information on May weather, you can check Boseong weather in May.
When comparing the weather in September and June, we see some notable similarities and differences. Both months feature a minimum temperature of around 12°C (54°F) and an average temperature hovering around 22°C (71-72°F), making them relatively mild. However, June experiences slightly warmer maximum temperatures, peaking at 32°C (89°F) compared to September's 31°C (87°F). Precipitation is more pronounced in September, with 229 mm (9.0 in) spread over 14 days, whereas June sees less rain at 168 mm (6.6 in) over 10 days. Humidity levels are also higher in June at 87%, compared to 80% in September. For a more detailed look, you can check Boseong weather in June.
When comparing the weather in September and July, notable differences arise in temperature and humidity levels. September boasts a milder climate with minimum temperatures around 12°C (53°F) and maximums reaching 31°C (87°F), averaging 22°C (72°F). In contrast, July is warmer with minimum temperatures of 17°C (63°F) and maximums reaching a sweltering 36°C (96°F), averaging 25°C (78°F). Additionally, July experiences higher humidity at 95% compared to September's 80%. Both months see substantial precipitation, with July recording 239 mm (9.4 in) across 16 days, while September follows closely with 229 mm (9.0 in) over 14 days. For more specific insights, you can refer to Boseong weather in July.
September marks a noticeable shift in weather compared to August, with average temperatures dropping from 27°C (80°F) in August to 22°C (72°F) in September. The minimum temperature in September is considerably cooler at 12°C (53°F), while August nights are warmer, starting at a minimum of 18°C (64°F). Additionally, September sees a higher amount of precipitation at 229 mm (9.0 in) over 14 days, compared to 188 mm (7.4 in) over 15 days in August, albeit with slightly lower humidity levels, which falls from 93% in August to 80% in September. For more specific details on August weather, visit Boseong weather in August.
September and October showcase a notable transition in weather patterns. September's temperatures range from a mild 12°C (53°F) at night to a warm 31°C (87°F) during the day, accompanied by significant rainfall of 229 mm (9.0 in) over 14 days, resulting in high humidity levels at 80%. In contrast, October brings cooler temperatures, with minimums dipping to 2°C (36°F) and daytime averages falling to 16°C (61°F), while the maximum temperature reaches 29°C (84°F). Rainfall decreases to 98 mm (3.9 in) over just 4 days, leading to slightly lower humidity at 78%. This shift marks a clear transition towards cooler, drier autumn conditions. For more details on October weather, visit Boseong weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a mild 12°C (53°F) at night to a warm 31°C (87°F) during the day, with an average temperature of 22°C (72°F). The month is characterized by significant rainfall, seeing about 229 mm (9.0 in) over 14 days, along with high humidity levels at 80%. In contrast, November experiences much cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 23°C (73°F), averaging at 10°C (50°F). Precipitation drops dramatically to only 28 mm (1.1 in) over just 3 days, and humidity remains slightly lower at 76%. For more details on November weather, check out Boseong weather in November.
September and December weather present a striking contrast. In September, temperatures range from a minimum of 12°C (53°F) to a maximum of 31°C (87°F), with an average of 22°C (72°F), creating a warm, humid atmosphere with 80% humidity. This month also sees significant precipitation, totaling 229 mm (9.0 in) over 14 days. In contrast, December experiences much colder temperatures, with a minimum of -12°C (10°F) and an average of just 3°C (38°F), reaching a maximum of 18°C (64°F). The precipitation drops dramatically to 26 mm (1.0 in) over only 4 days, and humidity decreases to 73%. For more detailed insights, you can check Boseong weather in December.
As September unfolds in Boseong, the weather presents a delightful blend of lingering summer warmth and the first hints of autumn. With maximum temperatures often reaching 31°C (87°F), it still feels pleasantly warm during the day, but evenings can be cooler, dipping down to a minimum of 12°C (53°F). This month stands out due to its higher humidity levels and a notable increase in rainfall, with 14 days experiencing 229 mm (9.0 in) of precipitation. This shift in weather signifies a transition, making September distinct from the drier, hotter months of summer and paving the way for the crispness of fall. For more detailed insights into Boseong's weather patterns, check out Boseong Climate.