Last updated: October 30, 2025
September in Seogwipo, South Korea brings a delightful blend of warm temperatures and lush tropical rainfall. With maximum temperatures reaching 30°C (87°F) and an average of 23°C (74°F), the month offers inviting conditions for outdoor explorations. However, one must be prepared for the region's significant precipitation, totaling 325 mm (12.8 in) over 16 rainy days, contributing to the area's rich green landscapes. High humidity levels averaging 84% add a sultry ambiance, characteristic of this coastal gem. Whether you're trekking scenic trails or savoring local flavors, September beckons with its unique charm and vibrant atmosphere.
The September temperatures in Seogwipo, South Korea mark a delightful transition from the sweltering summer to a more pleasant autumn climate. With a minimum of 17°C (64°F) and an average hovering around 23°C (74°F), September stands out as a month of warmth, yet comfort, as it continues to embrace mild tropical vibes. The peak temperature can reach up to 30°C (87°F), providing ample opportunities for outdoor exploration and coastal activities. As the month progresses, the heat gradually begins to ease, paving the way for the cooler, refreshing months of October and November. In summary, September offers a perfect balance of warmth and moderate temperatures, making it an ideal time to enjoy the natural beauty and vibrant culture of this stunning region.
In September, Seogwipo experiences a significant uptick in precipitation, with a striking 325 mm (12.8 inches) of rain, making it the wettest month of the year. This surge in rainfall occurs over 16 days, reflecting the peak of the monsoon season. The trend shows a continuous increase from July's already hefty 232 mm, culminating in an impressive September. As the summer moisture lingers, this spike in precipitation often brings lush greenery and vibrant landscapes, setting the stage for a dynamic transition into autumn. However, the consistent rainfall also adds a layer of unpredictability to outdoor activities during this month.
As summer draws to a close in Seogwipo, South Korea, September showcases a notable shift in humidity levels, settling at 84%. This marks a decline from the peak summer months of July and August, where humidity soared to 98% and 96% respectively. The relatively high humidity in May and June primes the region for the sultry summer, yet by September, there's a welcome easing. Despite this slight reduction, September remains highly humid compared to the earlier months of the year, where levels hovered around 70-73%. As autumn approaches, the gradual dip in humidity hints at a transition, paving the way for a more comfortable climate in the coming months.
As summer draws to a close in Seogwipo, South Korea, September presents a very high UV Index of 10, marking a continuation of the intense sun exposure seen in the preceding months. With a burn time of just 15 minutes, it’s essential for residents and visitors alike to remain vigilant against potential skin damage. Notably, this month follows several peak periods of extreme UV levels recorded in July and August, showcasing a trend in increasing UV intensity from early spring's moderate levels in January and February to late summer's extremes. The seasonal fluctuations highlight the importance of sun protection, especially as the sun's rays remain formidable well into autumn. For more details on the UV Index throughout the year, check out Seogwipo UV Index.
UV Risk Categories
As summer gracefully transitions into autumn, September in Seogwipo offers a delightful balance of sunshine, with approximately 258 hours casting a warm glow over the landscape. This marks a slight dip from the sun-drenched heights of August's impressive 312 hours, yet remains comfortably above the early months of the year. The lingering warmth and brightness in September contribute to a lush and vibrant environment, making it an ideal time for exploration and outdoor activities. Following months of abundant sunshine, the days gradually shorten, leading into October with an expected 265 hours of light, ensuring that the beauty of the changing seasons continues to thrive under the gentle embrace of sunlight.
As September rolls in Seogwipo, South Korea, the likelihood of sunny weather stands at 31%, offering a modest chance for residents and visitors to enjoy the outdoors. This slight uptick marks a continuation of a generally low trend for the summer months, with July and June boasting the lowest chances of sun, at 20% and 29%, respectively. Following the sunniest months of October and November, which see chances soar to 53% and 52%, September's weather is a transitional phase, still holding potential for delightful sunny days amidst the lingering summer warmth. Overall, while September may not guarantee blue skies, it gently nudges towards the brighter, more sun-filled days of early autumn.
As September arrives in Seogwipo, South Korea, the days begin to shorten, offering approximately 12 hours of daylight. This month marks a transition from the peak summer months of June and July, which bask in 14 hours of sunlight, gradually tapering off into autumn. After a vibrant summer, where daylight spans generously, August retains a robust 13 hours, indicating that the lingering warmth still holds sway. Following September, daylight continues its decline, dipping to 11 hours in October and 10 hours in November, ushering in the more subdued winter months. Overall, September serves as a beautiful bridge between the long sun-soaked days of summer and the cooler, shorter days ahead, inviting both reflection and anticipation of the changing seasons.
As the warm days of summer transition into the cooler embrace of autumn, September wind in Seogwipo begins to pick up, averaging 4.0 m/s (9 mph). This slight increase from the previous months signals a refreshing shift, as winds become more invigorating compared to the summer lull. Interestingly, after reaching their lowest point in June at 2.6 m/s (6 mph), wind speeds gradually rose through July and August. September’s breezy conditions set the stage for the seasonal changes ahead, hinting at the more robust winds to come in October and November, where averages climb to 3.3 m/s (7 mph) and 4.1 m/s (9 mph) respectively. This pattern illustrates how the coastal environment of Seogwipo is influenced by seasonal thermals, inviting both locals and visitors to enjoy the dynamic scenery and fresh air.
Weather in Seogwipo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Seogwipo, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, the temperatures range from a mild 17°C (64°F) to a warm 30°C (87°F), with an average of 23°C (74°F) and high humidity at 84%. The month is also characterized by significant rainfall, totaling 325 mm (12.8 in) over 16 days. In contrast, January experiences much cooler temperatures, with a minimum of -3°C (27°F), an average of 6°C (43°F), and a maximum of 18°C (65°F). Precipitation is considerably lower at 46 mm (1.8 in) over just 7 days, and humidity drops to 72%. For more details on January weather, you can check Seogwipo weather in January.
September and February present striking contrasts in weather. In September, temperatures range from a mild 17°C (64°F) to a warm 30°C (87°F), with an average of 23°C (74°F). This month experiences significant rainfall, totaling 325 mm (12.8 in) over 16 days, and the humidity is quite high at 84%. In stark contrast, February's temperatures are much cooler, with a minimum of -2°C (29°F) and a maximum of 17°C (63°F), averaging just 6°C (44°F). Precipitation drops to 53 mm (2.1 in) over only 8 days, and humidity is lower at 70%. For more detailed information about February weather, you can check Seogwipo weather in February.
September and March showcase contrasting weather patterns, reflecting the transition from summer to spring. In September, temperatures range from a mild 17°C (64°F) at night to a warm 30°C (87°F) during the day, with an average of 23°C (74°F). This month is characterized by significant rainfall, averaging 325 mm (12.8 in) over 16 days, and high humidity levels at 84%. In contrast, March presents a cooler climate, with temperatures dipping to a chilly 2°C (37°F) at night and peaking at 19°C (66°F) during the day, leading to an average of just 10°C (51°F). Rainfall decreases to 108 mm (4.3 in) spread over 9 days, accompanied by lower humidity at 73%. For more information on the weather in March, visit Seogwipo weather in March.
September and April present striking contrasts in weather. In September, temperatures range from a minimum of 17°C (64°F) to a maximum of 30°C (87°F), with an average of 23°C (74°F). The month is marked by significant rainfall, totaling 325 mm (12.8 in) over 16 days, and high humidity levels at 84%. In contrast, April offers a cooler experience with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 22°C (71°F) and an average of 14°C (57°F). Precipitation in April is much less, at 105 mm (4.1 in) over only 7 days, and humidity remains relatively stable at 83%. For more details on April weather, you can check Seogwipo weather in April.
When comparing the weather in September and May, we see notable differences in temperature and precipitation. September tends to be warmer, with average temperatures ranging from a minimum of 17°C (64°F) to a maximum of 30°C (87°F), while May's temperatures are cooler, averaging between 10°C (49°F) and 25°C (78°F). Moreover, September is significantly wetter, receiving 325 mm (12.8 in) of precipitation over 16 days, compared to May’s 125 mm (4.9 in) over just 9 days. Both months have high humidity levels, but September's averages at 84% slightly trail May's 89%. For more detailed information, you can check Seogwipo weather in May.
When comparing the weather in September and June, we see notable differences in temperatures and precipitation. September tends to be warmer, with average temperatures reaching 23°C (74°F) and a maximum of 30°C (87°F), while June has a slightly cooler average of 22°C (71°F) and a peak of 27°C (81°F). Additionally, September experiences significantly more rainfall, with 325 mm (12.8 in) over 16 days, compared to June's 160 mm (6.3 in) over 11 days. Humidity levels are high in both months, but June is slightly more humid at 93% compared to September’s 84%. For more detailed information, you can visit Seogwipo weather in June.
In comparing the weather between September and July, we observe that September has somewhat cooler temperatures, with a minimum of 17°C (64°F) and an average of 23°C (74°F), while July features warmer temperatures, with a minimum of 19°C (66°F) and an average of 25°C (78°F). Additionally, July tends to be more humid, with humidity levels reaching 98%, compared to September's 84%. However, September experiences higher precipitation overall, totaling 325 mm (12.8 in) over 16 days, in contrast to July’s 232 mm (9.1 in) across 17 days. For more specific details, you can check Seogwipo weather in July.
In comparing the weather between August and September, it's clear that September experiences a slight drop in temperatures, with nighttime lows averaging 17°C (64°F) compared to August's minimum of 22°C (71°F). The average daytime temperature in September is 23°C (74°F), which is cooler than the 27°C (81°F) typical in August. Additionally, while September sees a substantial amount of rainfall at 325 mm (12.8 in) over 16 days, August has slightly less precipitation at 290 mm (11.4 in) across 20 days. The humidity levels also reflect a change, as September's average humidity stands at 84%, compared to August's higher 96%. For more detailed insights, you can check Seogwipo weather in August.
September and October exhibit distinct differences in weather patterns. In September, temperatures are generally warmer, ranging from a minimum of 17°C (64°F) to a maximum of 30°C (87°F), and the month experiences significant precipitation with 325 mm (12.8 in) over 16 days, resulting in a high humidity level of 84%. Conversely, October sees cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (82°F), along with much less rainfall at 122 mm (4.8 in) over just 8 days and a slightly lower humidity of 78%. This transition marks a shift from the hot, humid days of late summer to the cooler, drier conditions of autumn. For more detailed information, check out Seogwipo weather in October.
September and November present a stark contrast in weather patterns. In September, temperatures are notably warmer, with average highs reaching 30°C (87°F) and a humidity level of 84%. This month also sees significant rainfall, with 325 mm (12.8 in) of precipitation over 16 days. In contrast, November brings cooler temperatures, with an average high of just 23°C (73°F) and lows dipping to 6°C (43°F). Additionally, November experiences much less rainfall, totaling only 41 mm (1.6 in) over 6 days, and a reduced humidity level of 73%. For more details about the weather in November, you can check out Seogwipo weather in November.
In September, the weather is warm and humid, with average temperatures ranging from a minimum of 17°C (64°F) to a maximum of 30°C (87°F). It's also quite rainy, with around 325 mm (12.8 in) of precipitation over 16 days, leading to a high humidity level of 84%. In contrast, December brings a much cooler climate, with temperatures dipping as low as -1°C (31°F) and averaging around 8°C (47°F). Precipitation is significantly lower at 54 mm (2.1 in) spread over just 8 days, and the humidity drops to 71%. For more specific details about December weather, you can visit Seogwipo weather in December.
As September arrives in Seogwipo, the weather begins to transition from the summer heat, offering a pleasant mix of warmth and moisture. With temperatures averaging a comfortable 23°C (74°F) and maximum highs peaking at 30°C (87°F), the days are still inviting for outdoor activities. However, this month also marks a significant increase in rainfall, with 325 mm recorded over 16 days, leading to a notably humid environment at 84%. This combination of warmth and wetness sets September apart from the drier summer months, creating a lush backdrop that is ideal for exploring the region's natural beauty. For more detailed insights into Seogwipo's weather patterns, visit Seogwipo Climate.