Last updated: October 30, 2025
In September, Mokpo, South Korea experiences a transition to cooler weather, with temperatures ranging from a pleasant minimum of 14°C (58°F) to a maximum of 30°C (86°F), and an average of 22°C (73°F). This month marks a significant shift, accompanied by an average humidity level of 80%, creating a subtropical ambiance. Rainfall is notable, with 233 mm (9.2 in) of precipitation spread across 13 days, often bringing refreshing showers that enhance the lush landscapes. Visitors and residents alike can enjoy the mild temperatures and vibrant greenery, making September a delightful time to experience the charm of Mokpo.
In Mokpo, South Korea, September marks a delightful transition into autumn, with temperatures steadily cooling from the sultry summer months. During this time, the minimum temperature hovers around a comfortable 14°C (58°F), while the average climbs to a pleasant 22°C (73°F), offering a perfect balance for outdoor activities. The maximum temperature peaks at a warm 30°C (86°F), providing a lingering taste of summer that can still be enjoyed at the beach or in the vibrant city parks. As the month unfolds, the gradual dip from the sweltering heat of August to this more moderate climate creates an inviting atmosphere, perfect for experiencing Mokpo's beautiful scenery and cultural festivals.
September is a noteworthy month for precipitation in Mokpo, South Korea, as it marks a peak in rainfall with an impressive total of 233 mm (9.2 in) across 13 days. This significant increase in wet weather follows the already substantial rainfall experienced in the preceding months of July and August, where precipitation levels were 194 mm (7.6 in) and 181 mm (7.1 in), respectively. The trend indicates that late summer and early autumn in Mokpo are characterized by heightened rainfall, contributing to the region's lush landscape. In contrast, the months leading up to September feature considerably lower precipitation, with the annual low points occurring from October through December. This data highlights Mokpo's transition into a wetter season, setting the stage for the cooler, drier months ahead.
In September, Mokpo, South Korea, experiences a notable decrease in humidity, settling at 80%, which reflects a retreat from the extreme values of summer. This transition marks a shift from the sweltering heights of 95% in July and 93% in August, as autumn inches closer. Following the humidity peak in the summer months, September's levels provide a refreshing contrast, hinting at the onset of drier conditions ahead. Although still relatively high compared to the winter months, where humidity dips to around 71% in January, September serves as a bridge, easing the heavy moisture of summer while retaining some of that warmth, making it a unique month in Mokpo's climatic journey.
In September, Mokpo, South Korea experiences a notable shift in UV exposure as the UV Index measures 10, categorizing it as very high. This marks a decline from the peak levels observed in the summer months of July and August, where the index reached 12 under extreme exposure conditions. Consequently, the recommended burn time for unprotected skin increases slightly to 15 minutes. Overall, September signals a transition towards milder autumn weather while still reminding residents and visitors to exercise caution in the sun. For more detailed information, check out the Mokpo UV Index.
UV Risk Categories
September in Mokpo, South Korea, shines with 266 hours of sunlight, marking a notable transition as summer begins to wane. This month effortlessly follows the peak of August, which basked in 315 hours of radiant sunshine, showcasing the seasonal shift towards more temperate weather. Interestingly, after a steady series of increasing daylight hours from January to August, September presents a slight dip in sunlight, yet still remains favorable compared to the earlier months of the year. The continued abundance of light in all of the late summer months hint at Mokpo's charm, as residents and visitors alike make the most of the beautiful days before autumn settles in.
In Mokpo, South Korea, the likelihood of enjoying sunny weather in September stands at a modest 32%, slightly better than the peak summer months of July and August, which see only 23% and 31% sunny days, respectively. This indicates a subtle transition as summer fades, hinting at the arrival of autumn with its clearer skies. Interestingly, as the year progresses, October and November show a significant leap in sunshine, with chances soaring to 53% and 54%, thus suggesting September may be the tail end of the summer haze before the clearer days of fall take over. Overall, while September offers a fair chance of sun, it still lingers in the shadow of the wetter months preceding the bright, crisp days of autumn.
As summer fades and September rolls in, Mokpo, South Korea experiences a gentle decrease in daylight duration, offering about 12 hours of daylight—a transition from the longer days of summer. Following a peak of 14 hours in June and July, September marks the beginning of a gradual decline, with the daylight hours slowly tapering off as the region approaches autumn. This shift is part of a clear seasonal rhythm where, after basking in the warmth of long summer days, residents and visitors in Mokpo can savor the mellow light of early fall before the days shorten significantly into winter.
As summer wanes and September arrives in Mokpo, the wind begins to pick up slightly, with an average speed of 3.9 m/s (about 9 mph). This gentle breeze is a refreshing change following the calm of August, which recorded the year's lowest winds at 2.9 m/s. While still moderate, September's wind signals the onset of autumn, a season that typically brings increased gusts as nature prepares for the cooler months ahead. The winds gradually strengthen through the fall, showcasing a consistent rhythm as Mokpo transitions from the sultry grip of summer to the crisp embrace of autumn.
Weather in Mokpo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mokpo, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (58°F) at night to a warm 30°C (86°F) during the day, accompanied by high humidity at 80% and considerable precipitation of 233 mm (9.2 in) over an average of 13 rainy days. In contrast, January experiences much colder temperatures, with a minimum of -10°C (14°F) and a maximum of only 16°C (61°F), alongside significantly lower precipitation of 36 mm (1.4 in) across 7 days and a humidity level of 71%. This shift from summer warmth to winter chill highlights the dramatic seasonal variations typical of the region. For more detailed insights into the January weather, you can refer to Mokpo weather in January.
September and February present strikingly different weather patterns. In September, temperatures range from a mild 14°C (58°F) at night to a warm 30°C (86°F) during the day, averaging around 22°C (73°F), while the humidity remains high at 80%. This month also sees considerable rainfall, with 233 mm (9.2 in) of precipitation across 13 days. In contrast, February brings a sharp decline in temperatures, with lows plummeting to -5°C (23°F) and highs reaching only 16°C (60°F), averaging a chilly 4°C (39°F). The precipitation is significantly lower at 37 mm (1.5 in) over just 7 days, and the humidity drops to 68%. For more detailed information about February weather, you can visit Mokpo weather in February.
September and March present stark contrasts in weather. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 30°C (86°F), with an average of 22°C (73°F). This month also experiences considerable rainfall, accumulating 233 mm (9.2 in) over 13 days, accompanied by high humidity at 80%. In contrast, March features much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 18°C (64°F) and an average of just 8°C (47°F). Precipitation is significantly lower at 75 mm (2.9 in) across 8 days, and humidity is also reduced to 67%. For a more detailed look at the specific weather patterns in March, you can refer to Mokpo weather in March.
When comparing the weather in September and April, there are notable differences in temperature and precipitation. September features a higher temperature range, with minimums around 14°C (58°F) and maximums reaching 30°C (86°F), resulting in a warm average of 22°C (73°F). In contrast, April starts off noticeably cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 21°C (71°F), averaging just 13°C (55°F). Additionally, September experiences significantly more rainfall, with 233 mm (9.2 in) over approximately 13 days, compared to April's 65 mm (2.6 in) over only 6 days. Both months have comparable humidity levels, around 80% in September and 78% in April, making for a generally damp atmosphere. For more detailed information, you can check Mokpo weather in April.
In comparing the weather between September and May, September experiences warmer temperatures, with averages reaching up to 22°C (73°F) and maximums of 30°C (86°F). In contrast, May has cooler average temperatures, peaking at 26°C (79°F) and dipping to lows of 8°C (46°F). While September is notably wetter, receiving 233 mm (9.2 in) of precipitation over 13 days, May is much drier with only 94 mm (3.7 in) of rainfall across 7 days. Both months have high humidity, but September is slightly less humid at 80% compared to May's 85%. For more details on May weather, check out Mokpo weather in May.
In comparing the weather between September and June, September tends to be slightly warmer, with average temperatures reaching up to 22°C (73°F) compared to June's 21°C (71°F). However, September experiences more extreme heat, with a maximum temperature of 30°C (86°F), while June peaks at 28°C (82°F). Precipitation is notably higher in September, totaling 233 mm (9.2 in) over 13 rainy days, compared to June's 156 mm (6.1 in) over just 9 days. Additionally, humidity levels are slightly lower in September at 80% compared to 87% in June, making September's weather feel a bit more comfortable despite the increased rainfall. For more detailed insights into June's climate, check out Mokpo weather in June.
In comparing the weather between September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 30°C (86°F), while July sees higher averages, from 18°C (65°F) to 32°C (90°F). Despite both months experiencing 13 days of precipitation, September is wetter overall, receiving 233 mm (9.2 in) of rainfall compared to July's 194 mm (7.6 in). Additionally, July's humidity is notably higher at 95%, creating a more oppressive atmosphere compared to September's average humidity of 80%. For a closer look at July's conditions, you can refer to this link: Mokpo weather in July.
In September, the weather cools slightly compared to August, with minimum temperatures dropping from 19°C (67°F) in August to 14°C (58°F) in September. The average temperature also decreases from 27°C (80°F) in August to 22°C (73°F) in September, while maximum temperatures are lower, maxing out at 30°C (86°F) instead of 33°C (93°F). September sees more rainfall, with 233 mm (9.2 in) over 13 days compared to 181 mm (7.1 in) over 11 days in August. Humidity levels are also high in both months, but September has a slightly lower average humidity at 80% compared to August's 93%. For further details, check out Mokpo weather in August.
In September, the weather features a notable warmth with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 30°C (86°F), complemented by high humidity levels of 80%. However, it also experiences considerable rainfall, with 233 mm (9.2 in) of precipitation spread over 13 days. In contrast, October brings a significant drop in temperatures, with a minimum of 6°C (44°F) and an average of 17°C (63°F), while the maximum reaches 27°C (81°F). The month is much drier, receiving only 78 mm (3.1 in) of rain over just 5 days and maintaining a slightly lower humidity of 78%. For a detailed look at October weather in Mokpo, visit Mokpo weather in October.
September and November present stark contrasts in weather. In September, temperatures range from a mild 14°C (58°F) at night to a warm 30°C (86°F) during the day, with an average of 22°C (73°F). This month also sees significant rainfall, accumulating 233 mm (9.2 in) over 13 days, accompanied by high humidity levels of 80%. In contrast, November brings a noticeable drop in temperature, with nighttime lows of 2°C (35°F) and daytime highs peaking at 21°C (70°F), resulting in a much cooler average of 11°C (52°F). Rainfall diminishes considerably to just 34 mm (1.3 in) over a mere 5 days, and humidity slightly decreases to 76%. For more detailed insights on weather conditions, you can check Mokpo weather in November.
September weather is typically warm, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 30°C (86°F), accompanied by high humidity levels at 80%. This month also sees considerable rainfall, with an average precipitation of 233 mm (9.2 in) over 13 days. In contrast, December experiences a significant drop in temperatures, with a minimum of -7°C (20°F) and a maximum of 17°C (62°F), bringing a chilly average of 5°C (41°F). Precipitation is much lower in December, at only 35 mm (1.4 in) over 7 days, and humidity decreases slightly to 73%. For more detailed insights, check out Mokpo weather in December.
As summer transitions to autumn, Mokpo's September weather showcases a delightful blend of warmth and humidity. With average temperatures hovering around a pleasant 22°C (73°F), the month features an enticing mix of sunny days and refreshing rain, evident with precipitation occurring on about half the month! This humidity, often reaching around 80%, contributes to a vibrant, lush landscape, making it distinct from the drier summer months. If you're planning to visit, be prepared for both beautiful sunny spells and occasional showers that add to the charm of Mokpo. For a deeper dive into what to expect throughout the year, check out Mokpo Climate.