Last updated: October 30, 2025
In September, Daegu, South Korea transitions into a blend of warm and refreshing weather, characterized by maximum temperatures reaching 30°C (87°F) and a comfortable average of 21°C (71°F). As the month unfolds, cooling nighttime temperatures may drop to a minimum of 9°C (48°F), providing a pleasant respite from the day's heat. Rainfall is a notable feature, with 191 mm (7.5 in) spread across about 10 days, contributing to the region's lush landscape. The humidity level, hovering around 80%, creates a lively atmosphere, making September an intriguing time to experience the vibrant sights of Daegu.
In September, Daegu, South Korea, experiences a delightful transition from the sweltering summer months to a refreshing autumn atmosphere. With minimum temperatures settling at a comfortable 9°C (48°F) and average highs reaching 30°C (87°F), this month strikes a perfect balance, offering warm days and cooler nights. The average temperature of 21°C (71°F) signals a welcome relief from the intense heat of August, while still allowing ample opportunity to enjoy outdoor activities. As the city prepares for the impending fall season, September's weather becomes an ideal backdrop for exploring Daegu's vibrant culture and beautiful landscapes.
In September, Daegu experiences a notable shift in precipitation patterns, accumulating approximately 191 mm (7.5 in) of rain over about 10 days. This amount reflects a gentle decrease from August's heavier rains, which brought 193 mm (7.6 in), but still indicates a substantial wet month as the monsoon season lingers. This trend signals a transitional phase, where summer's intensity wanes and the city prepares for the drier autumn months ahead, with October's rainfall drastically tapering to just 90 mm (3.5 in). Notably, the average precipitation days in September provide a balanced rhythm, allowing for intervals of soaking rain that nourish the landscape before the onset of cooler, drier weather in the following months.
In September, Daegu, South Korea, experiences a notable transition in humidity, with levels averaging around 80%. This marks a decline from the peak summer months of July and August, which see humidity soar to a staggering 95% and 93% respectively. As the monsoon season begins to wane, September's humidity still holds onto the lingering warmth of summer, but it hints at the forthcoming cooler months ahead. Interestingly, this month falls in line with the general trend of fluctuating humidity throughout the year; it starts high in the spring, peaks during mid-summer, and gradually decreases as autumn approaches. Overall, September provides a balance of mugginess and the inviting breezes of early fall, making it a unique time in Daegu's climatic rhythm.
As September rolls into Daegu, South Korea, residents and visitors can expect a UV Index of 10, placing the exposure category at very high. This marks a slight decline from the extreme levels seen in the summer months of July and August, but it still signals a need for caution with a burn time of just 15 minutes. The trend reveals that while fall approaches, the risk of overexposure to UV rays remains significant, particularly following the peak summer indices. As the weather transitions, it’s essential to continue protecting your skin while enjoying the beautiful early autumn days. For more insights on daily UV levels, check out the Daegu UV Index.
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September in Daegu, South Korea, ushers in a delightful blend of warm weather and ample sunshine, boasting 240 hours of sunshine. As the summer heat begins to wane, this month reflects a notable decline from the sun-soaked days of July and August, which recorded 258 and 280 hours, respectively. However, this dip is still in line with the overall trend of increasing sunlight hours from the beginning of the year, where January started with only 198 hours. With each passing month, the city basks in more radiant days, peaking in May with 298 hours before transitioning to the more mellow yet still pleasant September glow. This charming month prepares the way for the cozy autumn vibes that follow, while still celebrating the lingering warmth of summer's end.
In September, Daegu, South Korea, experiences a 29% chance of sunny weather, reflecting a gradual shift in the seasonal pattern. Following the summer months, which show notably lower probabilities of sunshine—19% in July and 24% in August—September begins to brighten slightly, though it still lags behind the mid-autumn months. As the weather transitions, the likelihood of sun remains lower than in later months like October and November, where probabilities rise to 51% and 66%, respectively. This trend suggests that while September may offer a glimmer of hope for sun seekers, it remains a time of fluctuating weather as summer gives way to more stable autumn conditions.
As summer fades into autumn, September in Daegu, South Korea, witnesses a gentle transition in daylight duration, with 12 hours of daylight gracing the city. Following the peak of 14 hours during the height of summer, the daylight begins to wane, signaling the approach of shorter days ahead. This trend showcases a steady decline from the bright, sun-drenched months of May through August, where daylight lingers longer, towards the cooler, crisp days of fall and winter. As the year progresses into October, daylight will further decline to 11 hours, reinforcing the seasonal shift that characterizes this vibrant region.
As September arrives in Daegu, South Korea, the winds begin to shift, bringing a touch of transition into the autumn season. With an average wind speed of 2.1 m/s (5 mph), September stands out for its mild breezes, slightly stronger than the lazy summer months of July and August, which barely reached 1.7 m/s. This gentle increase signals a change, as the city starts to cool after a sweltering summer. Compared to the breezy beginning of the year, where average speeds hovered around 2.6 m/s, September offers a refreshing balance, hinting at the lively gusts of autumn that await in the coming months. As autumn progresses, the wind will dance through the streets, heralding the vibrant foliage and crisp air characteristic of Daegu's seasonal transformation.
Weather in Daegu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Daegu, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present striking contrasts in weather patterns. September enjoys warmer temperatures, with averages around 21°C (71°F) and highs reaching up to 30°C (87°F), accompanied by higher humidity levels at 80%. In contrast, January experiences much colder conditions, characterized by a frigid average of 1°C (33°F), with temperatures dipping as low as -13°C (8°F). Additionally, precipitation is significantly lower in January, totaling only 23 mm (0.9 in) over just 3 days, compared to September’s 191 mm (7.5 in) over 10 days. For more details on January conditions, you can check Daegu weather in January.
September and February present stark contrasts in weather conditions. September boasts a range of temperatures from a mild minimum of 9°C (48°F) to a warm maximum of 30°C (87°F), with an average of 21°C (71°F). This month also experiences significant rainfall, accumulating 191 mm (7.5 in) over about 10 days, coupled with high humidity levels around 80%. In contrast, February's weather is much colder, featuring temperatures that dip to a minimum of -12°C (11°F) and a maximum of 25°C (77°F), with an average resting at just 3°C (37°F). Precipitation is quite low in February, totaling only 29 mm (1.2 in) over 3 days and with decreased humidity at 67%. This clear divergence highlights the transition from summer's warmth and moisture in September to the chill and relative dryness of February. For more details about February's weather, you can check Daegu weather in February.
September and March exhibit contrasting weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a mild 9°C (48°F) at night to a warm average of 21°C (71°F) during the day, peaking at a hot 30°C (87°F). This month also experiences considerable rainfall, with 191 mm (7.5 in) falling over approximately 10 days, along with high humidity levels at 80%. In contrast, March features much cooler temperatures, with lows dipping to -4°C (25°F) and an average hitting only 9°C (48°F). The maximum temperature reaches a comfortable 25°C (78°F), while precipitation is significantly less at 71 mm (2.8 in) across about 7 days, coupled with a lower humidity of 65%. For more detailed insights on the weather, you can check Daegu weather in March.
In comparing the weather of September and April, September showcases milder temperatures, averaging around 21°C (71°F) with a peak of 30°C (87°F), while April is cooler on average at 14°C (57°F) but can also reach highs of 31°C (88°F). Precipitation in September is significantly higher, totaling 191 mm (7.5 in) over about 10 days, compared to April's 68 mm (2.7 in) across just 6 days. Additionally, September's humidity sits at 80%, slightly higher than April's 75%, contributing to a more humid atmosphere as summer transitions to fall. For more details on April weather specifically, check out Daegu weather in April.
When comparing the weather in September and May, notable differences emerge in temperature and precipitation. September typically experiences a wider temperature range, with minimums around 9°C (48°F) and maximums reaching up to 30°C (87°F), while May has slightly cooler temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 35°C (95°F). Precipitation is more prevalent in September, accumulating to 191 mm (7.5 in) over approximately 10 days compared to May's 68 mm (2.7 in) over just 7 days. Humidity levels remain high in both months, with September at 80% and May at 83%, contributing to a generally damp atmosphere in both periods. For more detailed insights into May’s climate, visit Daegu weather in May.
In comparing the weather of September and June, September experiences slightly cooler temperatures, with a minimum of 9°C (48°F) and an average of 21°C (71°F), while June offers warmer conditions, starting at a minimum of 12°C (54°F) and reaching an average of 23°C (74°F). June can also get quite hot, with maximum temperatures soaring to 36°C (98°F), whereas September's highs reach 30°C (87°F). Precipitation is more frequent in September, totaling 191 mm (7.5 in) across 10 days compared to June's 137 mm (5.4 in) over 8 days. Additionally, humidity levels are higher in June at 87% compared to 80% in September. For further details, check out the link: Daegu weather in June.
In comparing the weather between September and July, notable differences emerge. September experiences a broader temperature range, with minimums dipping to 9°C (48°F) and maximums reaching 30°C (87°F), resulting in a more moderate average of 21°C (71°F). In contrast, July is significantly warmer, with minimum temperatures of 17°C (63°F) and maximums soaring up to 37°C (98°F), averaging around 26°C (79°F). Additionally, September sees slightly less precipitation at 191 mm (7.5 in) over 10 days, while July experiences more rainfall at 245 mm (9.6 in) over 14 days. The humidity is also higher in July at 95%, compared to September's 80%. For more detailed information, you can check Daegu weather in July.
In comparing the weather of September and August, notable differences emerge in both temperature and humidity. September experiences a milder temperature range with a minimum of 9°C (48°F) and an average high of 30°C (87°F), while August boasts a warmer minimum of 15°C (59°F) and can reach up to 37°C (99°F). Precipitation levels are similar in both months, with September seeing 191 mm (7.5 in) over 10 days compared to August's 193 mm (7.6 in) across 15 days. Humidity is also higher in August at 93% compared to September's 80%, contributing to a more uncomfortable feeling during the earlier month. For more details on the August conditions specifically, you can visit Daegu weather in August.
September weather is characterized by warmer temperatures, with average highs reaching 30°C (87°F) and lows around 9°C (48°F), while October sees a significant drop in the average temperature, peaking at 30°C (86°F) but averaging only 15°C (60°F). Additionally, September experiences higher precipitation levels at 191 mm (7.5 in) over 10 days, compared to October's 90 mm (3.5 in) over just 6 days. Humidity levels also slightly decrease from 80% in September to 77% in October, indicating a shift towards more comfortable conditions. For more details on October weather, visit Daegu weather in October.
September and November present a stark contrast in weather. In September, temperatures are warmer, with an average of 21°C (71°F), and the maximum reaching up to 30°C (87°F). However, this month also sees considerable precipitation, totaling 191 mm (7.5 in) over about 10 days, along with high humidity at 80%. In contrast, November experiences much cooler temperatures, with an average of 9°C (48°F) and a minimum drop to -4°C (25°F). Precipitation is minimal, with only 18 mm (0.7 in) expected over just 2 days, and humidity decreases slightly to 75%. For more information on the weather in November, you can visit Daegu weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 9°C (48°F) at night to a warm 30°C (87°F) during the day, with an average humidity of 80% and significant rainfall of 191 mm (7.5 in) over 10 days. In contrast, December experiences much colder temperatures, with a minimum of -10°C (15°F) and a maximum of 16°C (61°F), resulting in an average temperature of just 2°C (36°F). Rainfall drops drastically to only 19 mm (0.8 in) over 2 days, and humidity lowers to 73%. For more details, visit Daegu weather in December.
As September arrives in Daegu, the weather begins to transition, showcasing a pleasing blend of warmth and humidity that sets it apart from the sweltering summer months. With average temperatures settling around a comfortable 21°C (71°F) and maximums occasionally reaching 30°C (87°F), the month offers a welcome reprieve from the heat. However, it also ushers in an increase in precipitation, with 191 mm (7.5 in) falling over about 10 days, giving the air a refreshed and slightly humid feel, at around 80%. This unique combination makes September an excellent time to explore the city's vibrant landscapes. For a deeper dive into the nuances of Daegu's climate, check out Daegu Climate.