Last updated: October 30, 2025
In September, Yeoju, South Korea, experiences a dynamic climate, marked by a maximum temperature soaring up to 30°C (86°F) and a comfortable average of 20°C (69°F). As summer transitions to autumn, the city sees a refreshing minimum temperature that dips to 7°C (45°F). This month is also characterized by 148 mm (5.8 in) of rainfall over 9 days, contributing to a humid atmosphere with an average humidity level of 77%. Visitors can enjoy the mild warmth, but should be prepared for occasional showers, making it a perfect time for experiencing the lush landscapes of Yeoju.
As September arrives in Yeoju, South Korea, the temperatures begin to showcase a delightful transition from the heat of summer to the coolness of autumn. The month starts with minimum temperatures around 7°C (45°F), providing a refreshing relief after the sweltering summer months. With an average temperature of 20°C (69°F), September offers a comfortable climate, making it an ideal time for outdoor activities and enjoying the vibrant fall foliage. The maximum temperatures can reach up to 30°C (86°F) early in the month, allowing for one last taste of summer warmth before the cool air settles in. This transitional period not only marks the changing seasons but also encourages residents and visitors alike to embrace the beauty of Yeoju's crisp, sunny days and cooler evenings, setting the stage for the enchanting autumn months ahead.
In September, Yeoju experiences a noticeable shift in precipitation patterns as the summer monsoons begin to recede. With a total of 148 mm (5.8 in) of rain over nine days, September marks a significant reduction from the heavy rainfall seen in the preceding months, particularly July and August, which featured over 250 mm of precipitation each. This drop highlights a transitional phase as the region moves into autumn, with rainfall becoming less frequent yet still substantial enough to maintain lush greenery. On average, the month brings a mix of sunny days interspersed with the occasional downpour, setting the stage for the drier, cooler months ahead.
In September, Yeoju, South Korea experiences a notable dip in humidity, with levels settling at 77%. This marks a transition from the peak heat of summer, where the humidity reached a sweltering 91% in both July and August. As the autumn season approaches, humidity begins to steadily decrease, aligning closely with the average for October at 78%. This trend indicates a shift from the high moisture levels characteristic of summer months, bringing a refreshing relief to the air as the days grow shorter and temperatures begin to cool. The resilience of September’s humidity persists, showcasing a blend of summer's lingering warmth and the crispness of the fall ahead.
As summer fades and autumn approaches, September in Yeoju, South Korea, presents a very high UV Index of 9, indicating a decrease in intensity compared to the preceding months of extreme exposure during June through August. With a burn time of just 15 minutes, sun protection remains crucial for outdoor activities. This transition signals a shift as the UV Index begins to lower, moving towards high levels in October. While individuals may feel more comfortable basking in the still-warm sunlight, it's essential to remain vigilant against UV radiation. To stay informed and plan accordingly, check the daily updates at Yeoju UV Index.
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September in Yeoju, South Korea, offers a delightful blend of warmth and daylight, with an impressive 250 hours of sunshine illuminating the changing landscape. As summer wanes, the city transitions from the sun-drenched heights of June, which boasts 306 hours, to the charming embrace of autumn. Notably, September maintains a robust amount of sunlight, though a dip from the peak summer months is evident. This gradual decrease continues into the fall, as October sees 256 hours of sunshine. Overall, the trend reveals Yeoju's vibrant seasonal cycle, where each month gracefully balances the abundance of light with the desire for cooler, crisper air, making September a perfect time to bask in the sun's gentle embrace.
In Yeoju, South Korea, the likelihood of sunny weather experiences a notable shift as the seasons change. Although September holds a 37% chance of sunshine, it reflects a slight improvement compared to the peak of summer, where July and August showcase their lowest probabilities at 30% and 27% respectively. As we transition further into autumn, the chance of sunshine begins to rise again, reaching 45% in October. This trend highlights the subtle return of brighter days following the summer's oppressive heat, making September a transitional month that hints at the sun's gradual re-assertion as the year progresses.
As summer transitions to autumn, September in Yeoju, South Korea, offers a gentle decrease in daylight, with the sun gracing the sky for 12 hours. This marks a shift from the vibrant, sun-soaked days of July and August, where daylight peaked at 14 hours. The gradual fading of daylight continues into October, indicating a clear seasonal trend as the year winds down. With shorter days becoming the norm, September serves as a perfect bridge, blending the warmth of summer with the crispness of approaching fall, inviting both reflection and appreciation of nature's cyclical changes.
As summer transitions into autumn, the September wind in Yeoju, South Korea, boasts an average speed of 2.1 m/s (5 mph), a refreshing change that hints at the cooler months ahead. This slight uptick in wind speed from the sluggish summer months—where July and August average just 1.7 m/s and 1.8 m/s—marks a rejuvenation in the air, inviting outdoor activities and the vibrant colors of the season. Notably, this period serves as a gentle bridge between the stillness of summer and the briskness of fall, echoing a broader trend of increasing wind speeds leading into October, where the average sits at 1.9 m/s. The gradual rise from summer's lull creates a pleasing contrast, making September an ideal time to embrace Yeoju’s natural beauty as the landscape begins to shift.
Weather in Yeoju varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yeoju, 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 7°C (45°F) to a warm maximum of 30°C (86°F), with an average of 20°C (69°F). The month also sees significant precipitation, totaling 148 mm (5.8 in) over 9 days, and high humidity levels at 77%. In contrast, January brings much colder temperatures, with a minimum of -19°C (-1°F) and an average of -2°C (28°F), peaking at only 12°C (55°F). Precipitation in January is minimal, measuring just 23 mm (0.9 in) over 3 days, and the humidity drops to a lower 71%. For a closer look at January's weather in Yeoju, check out this link: Yeoju weather in January.
September and February present strikingly contrasting weather conditions. In September, temperatures range from a mild 7°C (45°F) at night to a warm 30°C (86°F) during the day, with an average of 20°C (69°F). The month experiences considerable rainfall, totaling 148 mm (5.8 in), over about 9 days, and the humidity is relatively high at 77%. In contrast, February is much colder, with temperatures dipping as low as -16°C (4°F) and averaging around 0°C (32°F). The maximum temperature reaches only 19°C (67°F), and precipitation is minimal at 28 mm (1.1 in) over just 4 days, coupled with a lower humidity level of 66%. For a more detailed look at the weather specifics, check out Yeoju weather in February.
September and March exhibit stark contrasts in weather conditions. September typically enjoys warmer temperatures, with minimums around 7°C (45°F) and maximums rising to 30°C (86°F), while averaging a comfortable 20°C (69°F). The month is marked by higher humidity levels of 77% and considerable precipitation, averaging 148 mm (5.8 in) over approximately 9 days. In contrast, March experiences much colder temperatures, with minimums dropping to -6°C (21°F), a mild maximum of 21°C (71°F), and an average of just 7°C (45°F). Precipitation is significantly lower at 60 mm (2.4 in) over about 6 days, accompanied by decreased humidity at 64%. For specific details about March weather, you can check out Yeoju weather in March.
In comparing the weather between September and April, we see notable differences in both temperature and precipitation. September enjoys an average temperature of 20°C (69°F), with maximum highs reaching 30°C (86°F), while April's average sits much lower at 12°C (54°F), peaking at 27°C (81°F). Additionally, September experiences more rainfall, with 148 mm (5.8 in) over about 9 days, compared to April's milder 75 mm (3.0 in) across 7 days. Furthermore, humidity levels are slightly higher in September at 77%, while April maintains a comfortable 74%. For more detailed local weather information, you can visit Yeoju weather in April.
In September, the weather offers a wider temperature range, with minimums around 7°C (45°F) and maximums reaching up to 30°C (86°F), resulting in an average temperature of 20°C (69°F). It also sees more precipitation, with 148 mm (5.8 in) spread over 9 days and a humidity level of 77%. In contrast, May experiences slightly cooler conditions, with minimum temperatures dropping to 3°C (38°F) and maximums peaking at 32°C (90°F), averaging 18°C (64°F). Though May has less rainfall at 108 mm (4.2 in) over 10 days, humidity remains relatively high at 79%. Overall, September tends to feel warmer and wetter, while May presents a transition into hotter days with slightly less rainfall. For those interested in the weather specifics, check out Yeoju weather in May.
In comparing the weather of September and June, we see notable differences in temperature, precipitation, and humidity levels. September generally experiences milder temperatures, with a minimum of 7°C (45°F), an average of 20°C (69°F), and a maximum of 30°C (86°F). In contrast, June tends to be warmer, featuring a minimum of 11°C (52°F), an average of 22°C (72°F), and a maximum reaching 34°C (93°F). Additionally, September receives more precipitation at 148 mm (5.8 in) over 9 days, compared to June's 86 mm (3.4 in) over the same number of days. Humidity is also slightly higher in June at 82%, compared to 77% in September. For a detailed look at June's weather, you can visit Yeoju weather in June.
When comparing the weather in September to that of July, notable differences emerge. September experiences cooler temperatures, with a minimum of 7°C (45°F) and an average of 20°C (69°F), while July is warmer, showcasing a minimum of 16°C (61°F) and an average of 25°C (78°F). Additionally, July sees more precipitation, totaling 251 mm (9.9 in) over 16 days, compared to September's 148 mm (5.8 in) over just 9 days. The humidity levels are also higher in July at 91%, as opposed to 77% in September. For a more detailed look at July weather, you can visit Yeoju weather in July.
The weather in September shows a significant shift compared to August. While August experiences warmer temperatures, with minimums around 15°C (59°F) and maximums peaking at 37°C (99°F), September cools down considerably, ranging from a minimum of 7°C (45°F) to a maximum of 30°C (86°F). Additionally, September records lower humidity at 77%, compared to August's higher humidity level of 91%. However, September also brings more frequent rainfall, totaling 148 mm (5.8 in) over 9 days, compared to August's 253 mm (10.0 in) across 16 days. For a detailed look at August weather, you can visit Yeoju weather in August.
In September, the weather is generally warmer, with average temperatures around 20°C (69°F) while experiencing peaks of up to 30°C (86°F). The month sees a significant amount of rainfall, totaling 148 mm (5.8 in) over about 9 days, contributing to a high humidity level of 77%. In contrast, October brings cooler temperatures, averaging 14°C (57°F) and dipping down to a minimum of -1°C (30°F), although it can still reach highs of 29°C (84°F). The precipitation decreases to 64 mm (2.5 in) spread over 6 days, with humidity remaining slightly elevated at 78%. For more detailed weather insights, check out Yeoju weather in October.
In September, the weather is typically much warmer, with average temperatures reaching around 20°C (69°F) and maximums peaking at 30°C (86°F). The month experiences a fair amount of rainfall, totaling 148 mm (5.8 in) over about 9 days, along with a humidity level of 77%. In contrast, November brings a notable drop in temperature; the average temperature plummets to 7°C (44°F), with minimums dipping as low as -6°C (21°F) and maximums only reaching 20°C (69°F). Additionally, precipitation decreases significantly to 52 mm (2.0 in) over just 5 days, with humidity slightly higher at 80%. For more details about the weather in November, you can check the following link: Yeoju weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a mild 7°C (45°F) at night to a warm 30°C (86°F) during the day, with an average of 20°C (69°F). The month is characterized by significant rainfall, totaling 148 mm (5.8 in) over about 9 days, accompanied by a humidity level of 77%. In contrast, December brings much colder temperatures, with a minimum of -17°C (1°F), an average of -1°C (31°F), and a maximum of 12°C (54°F). Precipitation drops significantly to just 24 mm (1.0 in) over 4 days, and humidity remains slightly lower at 76%. For more details on December weather, you can visit Yeoju weather in December.
As summer fades, September in Yeoju offers a delightful transition to cooler temperatures, with warm days juxtaposed against chillier nights. The average temperature hovers around a comfortable 20°C, making it a perfect time for outdoor activities before the shift into autumn. However, with about nine days of rain and elevated humidity levels at 77%, visitors should be prepared for the occasional downpour. This contrast in weather not only sets September apart from the hotter summer months but also heralds the onset of the picturesque fall season. For more detailed insights into Yeoju’s climate, check out Yeoju Climate.