Last updated: October 30, 2025
September in Boryeong, South Korea offers a delightful transition into autumn, with average temperatures hovering around 23°C (73°F). Daily highs can reach up to 29°C (85°F), while the nights cool down to a pleasant 16°C (61°F). However, visitors should prepare for moderate rainfall, as the month sees about 163 mm (6.4 in) of precipitation over 10 days, contributing to a humidity level of 77%. This blend of warm days and occasional showers creates an inviting atmosphere perfect for enjoying the region’s stunning coastal scenery.
In September, Boryeong, South Korea, experiences a delightful transition into autumn, with temperatures reflecting a gradual decline from the summer heat. The minimum temperature settles at a comfortable 16°C (61°F), while the average highlights a pleasant 23°C (73°F), culminating in a maximum of 29°C (85°F). This month marks a noticeable dip from the sweltering summer months of July and August, where temperatures peaked at 32°C (91°F). As the days grow shorter and the air shifts to a cooler embrace, September serves as a perfect pivot point for outdoor activities, inviting locals and visitors alike to enjoy the beauty of the changing season. With milder conditions, it’s the ideal time to explore Boryeong’s coastal charm before the cooler October breeze sets in.
September in Boryeong, South Korea, marks a notable shift in precipitation patterns, as the region experiences significant rainfall totaling 163 mm (6.4 in) over approximately 10 days. This substantial amount, while lower than the summer peak of July and August, reflects a transition from the heavy monsoon season to drier autumn months. The 10 rainy days align with the gradual tapering of precipitation, offering a mix of wet and clear days that herald the change of seasons. As the landscape absorbs the late summer downpours, this month serves as a bridge, maintaining a healthy balance in the environment before the more moderate conditions of October set in.
September in Boryeong, South Korea, is marked by a notable shift in humidity, settling at 77% after the sweltering heights of summer. While the summer months of July and August experience a peak humidity of 91%, September offers a slight reprieve, reflecting a gradual transition towards the cooler, crisper autumn air of October, which hovers around 79%. This month serves as a bridge, combining the lingering warmth of late summer with a hint of the dryness to come, as humidity levels begin to taper off from their summer highs. As Boryeong embraces September, the balance of moisture in the air hints at the changing seasons, inviting residents and visitors alike to enjoy the beauty of this transitional time.
As September arrives in Boryeong, South Korea, the UV Index remains high with a score of 9, categorizing it as very high. This indicates that sun exposure can lead to skin burns in as little as 15 minutes—a stark reminder that caution is necessary. Following a summer of extreme UV levels at 11, September sees a slight decrease, yet sun protection remains essential as autumn approaches. The trend suggests a gradual decline in UV intensity as the year progresses, with October bringing a more moderate high of 7. For ongoing updates and detailed information, check out the Boryeong UV Index.
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As summer transitions into autumn, September in Boryeong, South Korea, offers a delightful balance of sunshine that beckons outdoor enthusiasts. With 259 hours of sunlight, this month retains a generous glow, although it shows a slight decline from the sun-drenched heights of June and May. This trend underscores an overall gradual decrease in daylight hours as the year progresses, reflecting the seasonal shift. Visitors can still revel in pleasant days, enjoying coastal activities and vibrant festivals while the lingering warmth lingers from the robust summer months. Embrace the beauty of September, where the sun works its magic, albeit on a slightly reduced scale.
In Boryeong, South Korea, September marks a transition towards more favorable weather conditions, offering a 40% chance of sunny days. This aligns closely with the 58% likelihood observed in October, suggesting an upward trend as summer gives way to autumn. Notably, September's percentage is an improvement over the peak summer months—July and August—which saw lower chances of sunshine at 31% and 34%, respectively. As the year progresses, the likelihood of clear skies steadily increases, making September a delightful time for outdoor activities and enjoying the lingering warmth of late summer.
In September, Boryeong, South Korea, enjoys about 12 hours of daylight, marking a gradual transition from the longer summer days that peak in June and July with 14 hours of sunlight. As the warmth of summer gives way to the crispness of autumn, daylight begins its slow retreat, diminishing slightly from August’s 13 hours. This shift reflects the natural rhythm of the seasons, where vibrant colors and cooler temperatures gradually replace the heat of summer, creating a refreshing atmosphere that invites outdoor exploration during this stunning time of year. As September unfolds, residents and visitors alike can revel in the beauty of the landscape illuminated by the softening sunlight, preparing for the cozy embrace of fall that lies ahead.
In Boryeong, South Korea, the month of September brings a refreshing shift in wind patterns, with an average speed of 4.0 m/s (9 mph). This steady breeze reflects a moderate transition from the sultry summer months, where wind speeds lingered closer to 3.0 m/s in July and August. As the autumn season approaches, the winds pick up slightly, mirroring the increases observed in both April and May. Notably, September’s winds contribute to the region's pleasant climate, making it an ideal time for outdoor activities. This trend continues into October, where winds slightly decrease again, suggesting a gentle ebb and flow of nature’s rhythms as Boryeong prepares for the cooler months ahead.
Weather in Boryeong varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Boryeong, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit strikingly different weather patterns. In September, temperatures range from a milder minimum of 16°C (61°F) to a warm maximum of 29°C (85°F), accompanied by an average of 23°C (73°F). The month experiences a significant amount of rainfall, with precipitation reaching 163 mm (6.4 in) over approximately 10 days, and humidity levels are relatively high at 77%. In contrast, January is characterized by cold weather, with temperatures plummeting to a minimum of -12°C (10°F) and an average of just 1°C (35°F), peaking at 12°C (54°F). The precipitation in January is much lower, totaling only 26 mm (1.0 in) over about 5 days, and humidity drops slightly to 71%. For more details, you can check out Boryeong weather in January.
September and February present a stark contrast in weather. In September, temperatures range from a mild 16°C (61°F) at night to a warm 29°C (85°F) during the day, with an average of 23°C (73°F). This month also sees considerable precipitation, with about 163 mm (6.4 in) falling over 10 days, contributing to a high humidity level of 77%. In contrast, February experiences a chilly average temperature of just 2°C (36°F), with daytime highs peaking at a mere 12°C (53°F) and nighttime lows plunging to -8°C (18°F). The winter month is much drier, receiving only 33 mm (1.3 in) of precipitation over 6 days, alongside a lower humidity level of 65%. For more information on February weather, you can visit Boryeong weather in February.
September and March present stark contrasts in weather. September features warmer temperatures, with daily averages around 23°C (73°F) and highs reaching up to 29°C (85°F). The month also experiences significant rainfall, averaging 163 mm (6.4 in) over about 10 days, accompanied by high humidity levels of 77%. In contrast, March is much cooler, with daily temperatures ranging from a chilly -2°C (28°F) at night to a maximum of 17°C (62°F) during the day, and averages only 7°C (45°F). Precipitation is markedly less in March at 59 mm (2.3 in), falling over just 5 days, and the humidity is lower at 65%. For more detailed insights, check out Boryeong weather in March.
In comparing the weather of September and April, September experiences significantly warmer temperatures, with a minimum of 16°C (61°F) and an average of 23°C (73°F), peaking at 29°C (85°F). In contrast, April sees much cooler conditions, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 20°C (69°F) and an average of only 11°C (53°F). Additionally, September has a higher precipitation level of 163 mm (6.4 in) over approximately 10 days, while April features less rainfall, totaling 61 mm (2.4 in) over about 7 days. The humidity levels are relatively similar, with September at 77% and April at 75%. For more detailed insights on April weather, you can check the link: Boryeong weather in April.
September generally experiences warmer temperatures compared to May, with minimums around 16°C (61°F) and maximums reaching 29°C (85°F) as opposed to May's minimum of 10°C (50°F) and a maximum of 22°C (72°F). Although both months feature notable humidity levels, September's average humidity is slightly lower at 77%, compared to May's 81%. In terms of precipitation, September sees significantly more rain, totaling 163 mm (6.4 in) over 10 days, while May has 95 mm (3.7 in) spread over 8 days. For more specific details about May weather, you can refer to Boryeong weather in May.
In comparing the weather of September and June, we see a notable difference in temperature and precipitation. September typically experiences a minimum temperature of 16°C (61°F) and an average high of 29°C (85°F), making it warmer overall than June, which has a minimum of 15°C (60°F) and a maximum of 26°C (79°F). Additionally, September is wetter, with 163 mm (6.4 in) of rainfall over approximately 10 days, compared to June's 86 mm (3.4 in) over 8 days. Humidity levels are relatively high in both months, at 77% in September and 85% in June, contributing to a muggy feel. For more information on June weather specifically, you can visit Boryeong weather in June.
When comparing the weather in September to that of July, it's clear that September offers slightly cooler temperatures, with an average of 23°C (73°F) compared to July's warmer average of 25°C (77°F). The maximum temperature in September reaches 29°C (85°F), while July peaks at a hotter 32°C (91°F). Additionally, September experiences more moderate humidity at 77%, as opposed to July's higher humidity level of 91%. However, July sees significantly more rainfall, with 226 mm (8.9 in) over 12 days compared to September's 163 mm (6.4 in) over 10 days. For more detailed insights, you can check Boryeong weather in July.
In comparing the weather between September and August, September tends to be milder, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (85°F), while August sees warmer conditions with temperatures from a minimum of 20°C (68°F) to a maximum of 32°C (91°F). Rainfall is also more prevalent in August, totaling 222 mm (8.7 in) over 14 days, compared to September's 163 mm (6.4 in) over 10 days. Additionally, humidity levels are higher in August at 91%, compared to September's more comfortable 77%. For more detailed information, you can check Boryeong weather in August.
In September, the weather is warmer, with average temperatures ranging from a mild 16°C (61°F) at night to a high of 29°C (85°F) during the day. This month also sees considerable rainfall, with 163 mm (6.4 in) over approximately 10 days, contributing to a high humidity level of 77%. In contrast, October experiences cooler temperatures, with an average low of 7°C (44°F) and a high of 26°C (79°F). Rainfall decreases significantly to 67 mm (2.6 in) over just 5 days, while humidity rises slightly to 79%. For more details on the weather specifics for October, you can visit Boryeong weather in October.
September weather is characterized by milder temperatures, with a minimum of 16°C (61°F) and an average of 23°C (73°F), reaching a maximum of 29°C (85°F). The month also sees considerable rainfall, totaling 163 mm (6.4 in) over about 10 days, and humidity levels are moderately high at 77%. In contrast, November marks a significant shift, with much cooler temperatures, where the minimum drops to 1°C (33°F) and the average lowers to 11°C (51°F), peaking at a maximum of 20°C (68°F). Additionally, November experiences less precipitation, with only 50 mm (2.0 in) over 7 days and slightly higher humidity at 80%. For a closer look at November conditions in this region, you can check Boryeong weather in November.
In September, the weather delivers warm temperatures, with daily averages around 23°C (73°F), peaking at a comfortable 29°C (85°F). The month experiences significant rainfall, totaling 163 mm (6.4 in) over about 10 days, coupled with a high humidity level of 77%. In contrast, December brings a notable drop in temperatures, averaging just 4°C (39°F) and reaching a maximum of 14°C (57°F), while the minimum can plummet to -6°C (21°F). Precipitation decreases substantially to 39 mm (1.5 in) over 9 days, and humidity remains fairly stable at 74%. For more details on December weather, you can visit Boryeong weather in December.
As September arrives in Boryeong, visitors can expect a delightful transition from the sweltering summer months to a more temperate climate. With average temperatures settling around a comfortable 23°C and humidity levels at 77%, this month offers a balance of warmth without the intense heat. Rainfall becomes slightly more frequent, with average precipitation occurring over about ten days, adding a refreshing touch to the atmosphere. This is a time when the vibrant hues of autumn begin to emerge, making it a picturesque period to explore the beauty of Boryeong. For a more comprehensive understanding of what to expect, visit Boryeong Climate.