Last updated: October 30, 2025
In September, Dongnae, South Korea experiences a delightful transition into autumn, with temperatures peaking at a maximum of 29°C (84°F) and averaging around 20°C (68°F). The weather is characterized by a modest minimum temperature of 7°C (45°F), creating a pleasant atmosphere for outdoor activities. Although the region sees ample rainfall, with a total precipitation of 140 mm (5.5 in) across approximately 8 days, this moisture contributes to the lush greenery that defines the landscape. With an average humidity level of 77%, the air is refreshing, adding to the vibrant charm of Dongnae during this time of year.
In September, Dongnae, South Korea, experiences a delightful transition from the sweltering summer heat to milder autumn temperatures. With a minimum of 7°C (45°F) and a comfortable average of 20°C (68°F), the region offers a refreshing outdoor atmosphere. The daytime highs reach around 29°C (84°F), allowing for pleasant afternoons ideal for exploration and outdoor activities. This shift not only marks a significant drop from the oppressive summer highs but also ushers in a season where nature begins to display its stunning autumn colors, making September a particularly picturesque time to visit Dongnae.
In September, Dongnae experiences a notable shift in weather patterns, with precipitation reaching 140 mm (5.5 in) over 8 days. This amount marks a decline from the torrential rains of July and August, when the region received 243 mm (9.6 in) and 256 mm (10.1 in), respectively. As summer fades, September often presents a transitional phase, characterized by less frequent rainfall but still substantial enough to shape the local landscape. This pattern signals the onset of autumn, paving the way for a decrease in precipitation in the following months, with October and November typically recording much lower totals. The overall trend throughout the year showcases a peak in rainfall during the summer months, gradually tapering as the seasons change.
September in Dongnae, South Korea, sees a noticeable shift in humidity levels, dropping to 77%, down from the peak summer months of 91% in July and August. This decline marks a transition into autumn, where the air feels relatively more comfortable than the oppressive heat of summer. Despite the decrease, September's humidity remains higher than the spring months, illustrating how lingering warmth still influences the atmosphere. As the seasons progress, the humidity fluctuates, reaching its highest in the sweltering summer, followed by a gradual decrease into fall and winter. The overall trend reflects a seasonal rhythm that balances between the warmth of late summer and the crispness of early autumn.
As September rolls in Dongnae, South Korea, the UV Index reaches a notable 9, categorizing it as very high and indicating a burn time of just 15 minutes. This month marks a slight dip from the extreme levels experienced in the scorching summer months of July and August, which had a maximum UV Index of 11. However, it remains critical for residents and visitors alike to take precautionary measures against sun exposure. The trend shows a gradual decrease in UV intensity as the year progresses, with October expected to bring a further decline to a UV Index of 7. For comprehensive information on the UV Index throughout the year, visit Dongnae UV Index.
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As summer gracefully surrenders to autumn, September in Dongnae, South Korea, captures a delightful balance of sunlight, boasting 251 hours of radiant sunshine. This month follows the trend established by the preceding summer, where June peaked at 307 hours before a gradual decline began in July. September's serene sunlight reflects a slight dip, yet it remains vibrant compared to the earlier months of the year, hinting at a gentle transition into fall. With the days becoming shorter, this period still offers ample time for outdoor activities, inviting residents and visitors to bask in the lingering warmth while savoring the brilliant colors of the changing foliage.
In September, Dongnae, South Korea, enjoys a 41% chance of sunny weather, marking a slight rebound from the summer months when the odds of sunshine dipped to their lowest. This transitional period witnesses a gradual increase in sunlit days compared to the gloomy days of July and August, where chances plummeted to 32% and 27%, respectively. As the sweltering summer heat gives way to the cooler temperatures of autumn, September presents a promising option for those seeking outdoor adventures, while still being mindful of the unpredictable nature of transitional weather. With a relatively higher likelihood of sunshine, it’s an ideal time for locals and visitors alike to embrace the changing season in Dongnae.
As September arrives in Dongnae, South Korea, the daylight duration begins to wane, offering 12 hours of light—a subtle shift from the 13 hours experienced in August. This decline marks the transition into autumn, as the once long summer days gradually give way to shorter, cozy evenings. The trend throughout the year is clear: daylight peaks in the late spring and summer months, reaching a zenith of 14 hours in both May and June. As the year progresses towards winter, daylight dips to its minimum in January and December, at just 9 hours. Thus, September serves as a poignant reminder of nature's cyclical rhythm, bridging the vibrant days of summer with the tranquil tones of fall.
As the summer heat begins to wane in September, Dongnae, South Korea experiences a slight uptick in wind speed, averaging 2.0 m/s (5 mph). This revitalizing breeze signifies a transition from the sweltering months of July and August, where the winds dipped to their lowest at 1.5 m/s (3 mph) and 1.8 m/s (4 mph), respectively. September's mild winds not only provide relief but also herald the approaches of autumn, with wind speeds gradually climbing again heading into the cooler months of October and November. This trend highlights Dongnae's dynamic climate, where the gentle breezes of September refresh the landscape, paving the way for the crisp air that characterizes the fall season.
Weather in Dongnae varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Dongnae, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is notably warmer, with temperatures ranging from a chilly 7°C (45°F) at night to a pleasant 29°C (84°F) during the day, coupled with relatively high humidity at 77%. This month also sees significant precipitation, totaling 140 mm (5.5 in) over approximately 8 days, making it a wetter time of year. In contrast, January presents a stark chill, with temperatures plummeting to a minimum of -20°C (-4°F) and averaging around -3°C (27°F), peaking at just 12°C (54°F). Precipitation is much lighter in January, amounting to only 23 mm (0.9 in) over 3 days, and humidity levels are slightly lower at 71%. For more detailed weather insights, check out Dongnae weather in January.
In September, the weather is typically warmer and more humid, with temperatures ranging from a cool 7°C (45°F) at night to a pleasant 29°C (84°F) during the day. The month also sees a fair amount of precipitation, totaling 140 mm (5.5 in) over 8 days, contributing to the elevated humidity levels of 77%. In stark contrast, February brings frigid temperatures, with lows of -17°C (2°F) and an average around -1°C (31°F). This winter month experiences significantly less precipitation, about 25 mm (1.0 in) over just 4 days, and a lower humidity of 66%. For more details on February conditions, you can visit Dongnae weather in February.
September typically offers a warmer climate with average temperatures around 20°C (68°F) and maximums reaching up to 29°C (84°F), making it a pleasant month for outdoor activities. However, it also brings significant precipitation, averaging 140 mm (5.5 in) over about 8 days, and has a higher humidity level of 77%. In contrast, March experiences cooler temperatures, with averages around 6°C (44°F) and maximums only hitting 20°C (69°F), coupled with a lower total precipitation of 58 mm (2.3 in) over just 6 days. The humidity also drops to 64%, creating a crisp and dry atmosphere. For more detailed insights into March weather, you can visit Dongnae weather in March.
The weather in September is generally warmer and more humid compared to April. With average temperatures ranging from 7°C (45°F) at night to a maximum of 29°C (84°F) during the day, September enjoys a pleasant warmth. In contrast, April experiences a cooler average temperature, with lows dipping to -4°C (26°F) and highs reaching up to 27°C (80°F). While September receives more precipitation at 140 mm (5.5 in) over 8 days, April has significantly less rain, totaling 70 mm (2.8 in) over just 7 days. This slight difference in humidity also reflects the seasonal transition, with September averaging 77% compared to April's 74%. For more details on April weather specifics, you can check Dongnae weather in April.
September and May present contrasting weather characteristics, reflecting the transition between summer and autumn. In September, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (84°F), with an average temperature of 20°C (68°F). This month sees approximately 140 mm (5.5 in) of precipitation over about 8 days, accompanied by a humidity level of 77%. In contrast, May is slightly cooler, with temperatures ranging from 3°C (38°F) to 31°C (89°F) and an average of 17°C (63°F). Though it receives less rainfall at 114 mm (4.5 in) across around 10 days, May's humidity is notably higher at 79%. For a closer look at May's weather, check out Dongnae weather in May.
When comparing the weather of September and June, we see notable differences in temperature and precipitation patterns. September boasts a wider temperature range with a minimum of 7°C (45°F) and a maximum of 29°C (84°F), averaging around 20°C (68°F). In contrast, June presents a milder climate with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 33°C (91°F), averaging 21°C (71°F). Precipitation levels are higher in September, with 140 mm (5.5 in) falling over 8 days, compared to June's 90 mm (3.5 in) distributed over 9 days. Additionally, September has a lower humidity level at 77%, while June sits slightly higher at 82%. For more detailed insights about the weather in June, check out Dongnae weather in June.
When comparing the weather in September and July, notable differences emerge. September offers cooler temperatures with a minimum of 7°C (45°F) and a comfortable average of 20°C (68°F), peaking at 29°C (84°F). In contrast, July is significantly warmer, with temperatures ranging from a minimum of 15°C (59°F) to a high of 35°C (95°F) and an average of 25°C (77°F). Precipitation is also higher in July, totaling 243 mm (9.6 in) over 15 days, compared to September's 140 mm (5.5 in) spread across just 8 days. Additionally, humidity levels are elevated in July at 91%, while September sees a slightly lower humidity at 77%. For a more detailed look, you can check Dongnae weather in July.
September's weather features a marked cooling trend compared to August, with minimum temperatures dropping from 14°C (58°F) to 7°C (45°F), and average highs decreasing from 37°C (99°F) to 29°C (84°F). Precipitation also diminishes, falling from 256 mm (10.1 in) over 16 rainy days in August to 140 mm (5.5 in) across just 8 days in September. Additionally, September's humidity is slightly lower at 77%, compared to August's higher level of 91%. For more specific details about August's climate, you can visit Dongnae weather in August.
September typically offers warmer temperatures, with an average of 20°C (68°F) and highs reaching up to 29°C (84°F). However, it also sees a fair amount of rainfall, averaging 140 mm over 8 days, alongside relatively high humidity at 77%. In contrast, October brings cooler conditions, with average temperatures dropping to 14°C (57°F) and a minimum of -1°C (30°F). The month is drier, with only 58 mm of precipitation over 5 days, and humidity remains slightly higher at 78%. For more detailed information, check out Dongnae weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a mild 7°C (45°F) at night to a warm 29°C (84°F) during the day, with an average of 20°C (68°F). The month experiences significant rainfall, with 140 mm (5.5 in) spread over 8 days, contributing to a relatively high humidity level of 77%. In stark contrast, November sees much cooler temperatures, with a minimum of -7°C (19°F) and a maximum of 20°C (69°F), averaging just 6°C (44°F). Precipitation decreases to 52 mm (2.0 in) over 4 days, and humidity levels rise slightly to 80%. For a detailed look at the climate during November, visit Dongnae weather in November.
September and December weather showcase a dramatic shift in climate. In September, temperatures range from a mild 7°C (45°F) at night to a warm 29°C (84°F) during the day, accompanied by 140 mm (5.5 in) of rainfall spread over 8 days, and humidity levels hovering at 77%. In contrast, December brings a stark chill, with temperatures plunging to a minimum of -24°C (-10°F) and a maximum of only 12°C (53°F), along with significantly reduced precipitation of just 21 mm (0.8 in) over 3 days, and humidity slightly lower at 76%. Readers interested in the specifics of December weather can find more information here: Dongnae weather in December.
As September rolls into Dongnae, the transition from summer to autumn becomes evident with milder temperatures and increased humidity. While the mercury can still touch a warm 29°C, the average dips to a more comfortable 20°C, accompanied by cool nights that might surprise those accustomed to balmy summer evenings. Rainfall becomes more prominent, with about 140 mm typically spread over 8 days, signaling a shift in the climate as the region prepares for the wet season. This blend of warmth and moisture creates a unique atmosphere that sets September apart from the hotter months. For a deeper dive into the seasonal variations, check out Dongnae Climate.