September Weather in Cheongpung, South Korea

Last updated: October 30, 2025

In September, Cheongpung, South Korea experiences a temperate climate characterized by a maximum temperature of 31°C (89°F) and an average of 21°C (71°F). Visitors can expect a refreshing contrast with cooler minimums dropping to 10°C (50°F). The region faces notable precipitation, recording about 211 mm (8.3 in) over 13 days, leading to a high humidity level of 80%. This combination of warmth and moisture creates a lush, vibrant landscape, making it an ideal time for exploring the natural beauty of Cheongpung.

September Temperature in Cheongpung

As September settles in Cheongpung, South Korea, temperatures begin to reflect the transition from the sweltering summer to the crispness of fall. The month showcases a mild minimum temperature of 10°C (50°F), with an average temperature climbing to a comfortable 21°C (71°F), and highs reaching up to 31°C (89°F). This blend of warmth and coolness, particularly as the evenings grow chillier, creates an inviting atmosphere perfect for outdoor activities and appreciating the changing foliage. It's a time when the remnants of summer linger just enough to enjoy late-season picnics, while also hinting at the cooler days ahead—making September a delightful bridge between the seasons in Cheongpung.

September Weather in Cheongpung: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cheongpung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cheongpung, September typically has an average temperature of 21°C (71°F), with highs reaching up to 31°C (89°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec333646556471778071594836
Data source: Temperature data for Cheongpung generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Cheongpung

September in Cheongpung, South Korea, marks the tail end of the intense summer rains, with precipitation reaching 211 mm (8.3 in) over 13 days. This significant amount of rainfall keeps pace with the heavy downpours of August, indicating that the monsoon season continues to influence weather patterns well into the fall. What’s noteworthy is the consistency in precipitation, as September's figures reflect only a slight decrease compared to August’s 210 mm (8.2 in). This trend suggests a lingering humidity in the air, making September one of the rainiest months of the year, right alongside its summer predecessors. As the region transitions into October, the rainfall begins to diminish dramatically, hinting at the shifting seasonal landscape ahead.

September Precipitation Trends in Cheongpung

The chart displays monthly precipitation patterns in Cheongpung, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Cheongpung, September typically receives around 211 mm (8.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec3134777296167246210211833228
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cheongpung

In September, Cheongpung, South Korea, experiences a noticeable dip in humidity, averaging around 80%. This marks a significant decrease from the sweltering summer months of July and August, which boast humidity levels of 95% and 93% respectively. The trends in humidity throughout the year reveal a pattern: after the peak in mid-summer, the air begins to dry slightly as autumn approaches. Following September, humidity continues to decline into October at 78%, reflecting the transition to cooler temperatures. This gradual ebb of moisture offers a refreshing reprieve and highlights the rhythmic climate shifts that define Cheongpung's seasonal character.

September Average Humidity in Cheongpung

This chart illustrates the average monthly humidity levels in Cheongpung, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Cheongpung is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%68%67%78%85%87%95%93%80%78%76%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Cheongpung

In September, Cheongpung experiences a UV Index of 10, categorizing it as very high, with an approximate burn time of just 15 minutes. This shift marks a decline from the peak extremes of summer, where indices soared to 12 in July and August, yet still requires caution. As the year transitions into fall, the UV Index begins to drop, pointing to healthier outdoor exposure opportunities while still reminding residents and visitors to safeguard their skin. For those planning activities, it's crucial to stay vigilant about sun protection during this month. To learn more about UV levels throughout the year in Cheongpung, visit Cheongpung UV Index.

Maximum UV Index Levels in Cheongpung for September

The chart shows the monthly maximum UV Index (UVI) for Cheongpung in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Cheongpung typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45791011121210753
Data source: Cheongpung September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Cheongpung

In September, Cheongpung, South Korea, enjoys a delightful balance of sunshine, with 258 hours of bright, sunny days. Although this month sees a decline from the peak of 308 hours in June, it still offers a satisfying amount of light as summer transitions into autumn. Notably, the hours gradually decrease from the summer highs, setting the stage for a cozy, golden autumn. As the leaves begin to change, September’s warmth and daylight provide the perfect backdrop for outdoor activities, making it an enchanting time to explore the beauty of Cheongpung.

Monthly Sunshine Duration in Cheongpung: September Highlighted

The September sunshine duration represents the total number of hours Cheongpung experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec190h236h276h288h305h308h292h302h258h268h237h231h
Data source: Cheongpung September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cheongpung During September

September in Cheongpung, South Korea, marks a subtle transition in weather patterns, with a 27% chance of sunny days. This represents a slight dip from the summer months, where the sun shines only 18% in July and 26% in August. The trend clearly reflects the waning summer heat as the region prepares for the crispness of autumn. Notably, this month offers a welcome respite from the sweltering summer, making it a delightful time for outdoor activities, though sunshine seekers may still want to pack an umbrella just in case. As October approaches, the likelihood of sunny days jumps to 51%, hinting at the returning brightness and clearer skies of fall.

Percentage of Sunny Days in September in Cheongpung

The chart illustrates the percentage of sunny days in Cheongpung throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Cheongpung experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec40%44%32%39%38%29%18%26%27%51%55%52%
Data source: Cheongpung September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cheongpung in September

As summer gives way to autumn in Cheongpung, South Korea, the daylight duration begins to gradually decrease. In September, residents can enjoy around 12 hours of daylight, a slight decline from the 14 hours experienced during the peak summer months of June and July. This transition marks a shift in the seasonal rhythm, with the days becoming shorter as the region approaches the cooler months. While daylight in September is still generous compared to the winter, this gentle reduction hints at the impending arrival of fall, inviting a tapestry of vibrant colors and cooler temperatures.

Average Daylight Hours in Cheongpung for September

The chart illustrates the variation in daylight duration in Cheongpung throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 58m13h 4m13h 59m14h 27m14h 13m13h 24m12h 22m11h 16m10h 19m9h 50m
Data source: Cheongpung daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Cheongpung

In September, the winds in Cheongpung, South Korea, pick up slightly from the summer lull, with an average speed of 2.5 m/s (6 mph). This month marks a gentle transition as the breezes begin to cool after the hotter summer months, notably July and August, which recorded their lowest wind speeds at 2.3 m/s (5 mph) and 1.8 m/s (4 mph), respectively. As autumn approaches, the wind speeds gradually rise again, hinting at the seasonal shift that brings both crisper air and vibrant foliage. As evidenced by the previous months, September's winds provide a refreshing backdrop, laying the groundwork for the brisker gales of October, where the average dips slightly to 2.1 m/s (5 mph), creating a dynamic interplay of seasonal change in this picturesque locale.

Average September Wind Speed in Cheongpung

The chart displays monthly wind speed patterns in Cheongpung, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.32.63.13.02.12.31.82.5 m/s2.12.72.8
Data source: Cheongpung September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Cheongpung Compares to Other Months

Weather in Cheongpung varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Cheongpung, focusing on differences in temperature, rainfall, humidity, and UV levels.

The weather in September and January presents a stark contrast, showcasing the distinct seasonal shifts. In September, temperatures range from a mild 10°C (50°F) at night to a warm peak of 31°C (89°F) during the day, accompanied by significant rainfall of 211 mm (8.3 in) over 13 days and high humidity at 80%. In contrast, January brings frigid temperatures, with lows reaching -19°C (-3°F) and daytime averages around 1°C (34°F), while max temperatures only reach 17°C (62°F). The precipitation in January is minimal, totaling 31 mm (1.2 in) over just 5 days, and the humidity drops to 71%. This dramatic shift in weather highlights the variation between late summer and mid-winter conditions. For more details on January weather, visit Cheongpung weather in January.

September and February present contrasting weather patterns, with September typically enjoying a warm climate characterized by temperatures ranging from a minimum of 10°C (50°F) to a pleasant average of 21°C (71°F) and reaching up to 31°C (89°F). This month also sees significant rainfall, with about 211 mm (8.3 in) over 13 days, coupled with high humidity levels at 80%. In stark contrast, February experiences much cooler temperatures, with lows plummeting to -11°C (12°F) and only averaging 2°C (36°F). Although February can reach up to 22°C (72°F) on warmer days, it is marked by much lower precipitation of 34 mm (1.3 in) across 5 days and a humidity level of 68%. For more detailed insights into February's climate, you can visit Cheongpung weather in February.

When comparing the weather in September and March, notable differences emerge. September typically offers a warmer climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 31°C (89°F), while March experiences cooler conditions, with temperatures dipping as low as -5°C (23°F) and peaking at 22°C (72°F). Additionally, September sees higher precipitation levels, totaling 211 mm (8.3 in) over 13 days, compared to March's 77 mm (3.0 in) over just 8 days. The humidity in September is also higher at 80%, while March presents a drier atmosphere with 67% humidity. For more details on the weather specifics in March, you can check Cheongpung weather in March.

In comparing the weather between September and April, notable differences emerge in both temperature and precipitation patterns. September experiences a warmer climate, with average temperatures reaching up to 21°C (71°F) and highs peaking at 31°C (89°F), while April’s temperatures range from a chilly -3°C (27°F) to a maximum of 28°C (82°F). Additionally, September is marked by significantly higher precipitation, totaling 211 mm (8.3 in) over 13 days, compared to April’s 72 mm (2.8 in) over just 6 days. Humidity levels are fairly similar, with September at 80% and April slightly lower at 78%. For a more detailed look at the April weather in this region, you can visit Cheongpung weather in April.

September typically presents a warmer climate compared to May, with average temperatures reaching 21°C (71°F) and daytime highs peaking at 31°C (89°F). In contrast, May has a lower average temperature of 18°C (64°F), with a minimum of just 2°C (37°F). Both months experience some rainfall, but September is notably wetter, receiving 211 mm (8.3 in) over 13 days, while May records only 96 mm (3.8 in) across 8 days. Additionally, humidity levels are slightly higher in September at 80%, compared to 85% in May. For a closer look at May weather specifics, visit Cheongpung weather in May.

In comparing the weather of September and June, both months exhibit similar average temperatures, hovering around 21°C (71°F) to 22°C (71°F), but June tends to be slightly warmer, with maximum temperatures reaching up to 33°C (91°F) compared to September's 31°C (89°F). Precipitation levels are higher in September, with 211 mm (8.3 in) falling over 13 days, while June experiences 167 mm (6.6 in) of rain over 10 days. Additionally, humidity in June is a bit higher at 87%, compared to September's 80%, making June feel more oppressive. For more details about June weather, visit Cheongpung weather in June.

When comparing the weather in September to that of July, several notable differences emerge. In September, the temperatures range from a minimum of 10°C (50°F) to a maximum of 31°C (89°F), with an average of 21°C (71°F). This contrasts with July, where the minimum is significantly higher at 16°C (61°F) and the maximum can reach up to 36°C (97°F), averaging 25°C (78°F). July also experiences more precipitation, totaling 246 mm (9.7 in) over 17 days, compared to September's 211 mm (8.3 in) across 13 days. Additionally, July is marked by higher humidity levels at 95%, compared to September's 80%, making July feel more oppressive overall. For more details, you can check Cheongpung weather in July.

In comparing the weather of September and August, September experiences a notable drop in temperatures, with a minimum of 10°C (50°F) compared to August's minimum of 15°C (60°F). The average temperature in September is 21°C (71°F), significantly lower than August's warmer average of 26°C (80°F). Although both months see similar levels of precipitation—September with 211 mm (8.3 in) over 13 days and August with 210 mm (8.2 in) over 16 days—the humidity in September is slightly lower at 80%, compared to August's higher humidity level of 93%. For more specific details about the weather patterns in August, you can refer to Cheongpung weather in August.

September and October display a notable shift in weather patterns. In September, temperatures range from a minimum of 10°C (50°F) to a warm maximum of 31°C (89°F), with an average of 21°C (71°F). This month is also quite rainy, receiving 211 mm (8.3 in) of precipitation over 13 days, coupled with high humidity averaging around 80%. In contrast, October cools down significantly, with temperatures dipping to a minimum of 0°C (32°F) and averaging 15°C (60°F) while peaking at 29°C (85°F). The month brings much less rainfall, totaling 83 mm (3.3 in) over just 4 days, and humidity decreases slightly to 78%. For more detailed insights, you can check Cheongpung weather in October.

In September, the weather is marked by warm temperatures, with a minimum of 10°C (50°F) and an average of 21°C (71°F), peaking at a maximum of 31°C (89°F). This month also sees considerable rainfall, with 211 mm (8.3 in) over 13 days, and high humidity at 80%. In contrast, November experiences a notable drop in temperatures, starting from a minimum of -4°C (26°F) and averaging just 9°C (48°F), while the maximum reaches only 22°C (72°F). Rainfall significantly diminishes to 32 mm (1.2 in) across 4 days, with humidity slightly lower at 76%. For a more detailed look at November weather conditions, check Cheongpung weather in November.

In September, the weather is characterized by warmer temperatures, with a minimum of 10°C (50°F) and an average of 21°C (71°F), peaking at a high of 31°C (89°F). This month also experiences significant rainfall, with 211 mm (8.3 in) of precipitation spread over 13 rainy days, resulting in a humidity level of 80%. In contrast, December brings much colder weather, where temperatures drop significantly, ranging from a minimum of -14°C (7°F) to a maximum of 18°C (65°F), with an average temperature of just 2°C (36°F). The precipitation is considerably lower at 28 mm (1.1 in) over only 4 days, and humidity levels are slightly reduced at 73%. For more details on December weather, you can visit Cheongpung weather in December.

Compare Cheongpung's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Cheongpung

As September unfolds in Cheongpung, the weather presents a captivating transition into autumn, characterized by warm days and cooler nights. Unlike the summer months, where humidity levels soar and temperatures remain high, September offers a more comfortable experience with an average temperature that allows for outdoor activities without the oppressive heat. However, the month also brings about a notable increase in precipitation, introducing a refreshing change in the landscape. With around half of the month seeing rain, this period is essential for rejuvenating the local flora before the winter set in. If you're curious about the overall climate of Cheongpung and how it varies throughout the year, check out Cheongpung Climate for deeper insights.