September Weather in Chaoyang, China

Last updated: August 21, 2025

In September, Chaoyang experiences a delightful transition from summer to autumn, characterized by a maximum temperature of 30°C (85°F) and an average temperature of 17°C (62°F), ensuring pleasant days and cool evenings. However, as the month progresses, temperatures can dip to a minimum of 1°C (35°F), showcasing the region's climatic variability. Rainfall is notable, with 119 mm (4.7 in) spread across approximately 10 days, leading to an humidity level of 84% that contributes to the lushness of the landscape. This blend of warmth and moisture renders September an ideal time for both locals and visitors to explore the vibrant natural beauty of Chaoyang.

September Temperature in Chaoyang

In September, Chaoyang, China experiences a delightful transition as summer gives way to autumn. With temperatures ranging from a minimum of 1°C (35°F) to a comfortable average of 17°C (62°F), this month stands out with daytime highs reaching 30°C (85°F). The lingering warmth of summer is evident, yet there's a crispness in the air that hints at the cooler months ahead. As children return to school and the leaves begin to change, September offers a perfect amalgamation of warmth and the refreshing allure of fall, making it an inviting time for both residents and visitors alike to explore the picturesque landscapes of Chaoyang.

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

The chart illustrates September temperature patterns in Chaoyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chaoyang, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec71533486069777362463012
Data source: Temperature data for Chaoyang 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 Chaoyang

In September, Chaoyang, China, experiences a notable transition in its precipitation patterns, with 119 mm (4.7 in) of rain over 10 days. This amount is a significant drop from the height of summer, where August's deluge peaked at 235 mm (9.3 in), yet the lingering monsoon influence ensures that September remains one of the wetter months. As autumn approaches, the days may shorten and temperatures cool, but the reliable rainfall contributes to the lush landscapes characteristic of the region during this time. The gradual decline in precipitation from the summer's peak signals a shift towards more stable weather patterns ahead, making September a critical month for both agriculture and natural ecosystems in Chaoyang.

September Precipitation Trends in Chaoyang

The chart displays monthly precipitation patterns in Chaoyang, 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 Chaoyang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec915263880111126235119524011
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chaoyang

In September, Chaoyang, China experiences a noticeable shift in humidity levels, with an average of 84%. This increase follows the peak summer months of July and August, where humidity soars to 87% and 88%, respectively. While September’s humidity remains elevated, it also marks a transition towards the drier months ahead, reflected in the gradual decline seen in October at 84% and subsequently in November at 69%. Overall, September captures the essence of late summer, blending warmth with the refreshing anticipation of autumn as humidity levels start their descent.

September Average Humidity in Chaoyang

This chart illustrates the average monthly humidity levels in Chaoyang, 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 Chaoyang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%72%65%64%70%80%87%88%84%84%69%65%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chaoyang

In September, Chaoyang, China, experiences a UV Index of 7, placing it in the high exposure category with a burn time of approximately 25 minutes. This marks a slight decrease from the peak UV levels of summer, which reached a maximum of 10 in July and remained at 9 in August, but still calls for caution. As the days shorten and temperatures begin to cool, the UV exposure remains significant, reminding residents to protect their skin when engaging in outdoor activities. For ongoing updates and detailed insights, be sure to check the Chaoyang UV Index.

Maximum UV Index Levels in Chaoyang for September

The chart shows the monthly maximum UV Index (UVI) for Chaoyang 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 Chaoyang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367891097532
Data source: Chaoyang 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 Chaoyang

As summer transitions to autumn, September in Chaoyang, China, boasts 281 hours of sunshine, marking a slight dip from the sun-soaked heights of July and June but still vibrant compared to the earlier months of the year. This month captures the essence of the shifting seasons, maintaining a comfortable warmth while offering longer evenings. Notably, the sun hours have decreased from August’s high of 294 hours, hinting at the gradual fade of summer's brilliance. Yet, this slight decline is almost a prelude to the incoming cozy embrace of October, which holds 267 hours of sunlight. Overall, September stands as a testament to nature's rhythm, highlighting a beautiful balance between the lingering warmth of summer and the cool embrace of fall.

Monthly Sunshine Duration in Chaoyang: September Highlighted

The September sunshine duration represents the total number of hours Chaoyang 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.
JanFebMarAprMayJunJulAugSepOctNovDec192h234h284h283h306h319h336h294h281h267h219h231h
Data source: Chaoyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chaoyang During September

In Chaoyang, China, the month of September brings a relatively low likelihood of sunny weather, with only a 32% chance of sunshine. This marks a continuation of a downward trend from the previous summer months, where July and August see even less sun. As the summer heat fades, the sunny percentages gradually increase again into the fall months, particularly in October, which jumps to 58%. This indicates that while September can be dreary, there's a silver lining on the horizon—sunshine tends to return just in time for autumn, promising a more cheerful climate as the seasons change.

Percentage of Sunny Days in September in Chaoyang

The chart illustrates the percentage of sunny days in Chaoyang 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 Chaoyang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%58%54%48%41%37%34%32%33%58%46%65%
Data source: Chaoyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chaoyang in September

In Chaoyang, China, the daylight duration experiences a dynamic shift throughout the year. As summer transitions into autumn, September offers a pleasant balance with approximately 12 hours of daylight, a gradual decline from the peak of 15 hours in June. This reduction signals the beginning of shorter days, following the longer expanses of sunlight seen in April and May. As the month of August wraps up with about 13 hours, September marks a subtle but noticeable drop, foreshadowing the return to 11 hours in October. This rhythmic ebb and flow of daylight not only highlights the changing seasons but also enriches the daily life and activities of residents in Chaoyang.

Average Daylight Hours in Chaoyang for September

The chart illustrates the variation in daylight duration in Chaoyang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 31m11h 56m13h 23m14h 37m15h 14m14h 55m13h 50m12h 27m11h 1m9h 45m9h 5m
Data source: Chaoyang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Chaoyang

As September rolls in Chaoyang, China, the winds start to gentle, with an average speed dipping to 2.3 m/s (5 mph). This month marks the transition into autumn, echoing a notable trend of decreasing wind speeds from the summer's peak. July and August experienced the softest breezes, barely reaching above 2.2 m/s, while the spring months showed more vigor, averaging above 3.6 m/s at their peak in April. Thus, September’s winds create a serene atmosphere, inviting residents to enjoy the lingering warmth while embracing the early whispers of fall. The calming breezes of September contrast vividly with the more robust winds of the earlier months, reflecting nature's subtle yet compelling shifts in Chaoyang.

Average September Wind Speed in Chaoyang

The chart displays monthly wind speed patterns in Chaoyang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.83.63.93.82.72.22.62.3 m/s2.93.63.3
Data source: Chaoyang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Chaoyang Compares to Other Months

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

September and January present a striking contrast in weather conditions. In September, temperatures vary significantly from a chilly 1°C (35°F) at night to a warm 30°C (85°F) during the day, with an average of 17°C (62°F). The month brings 119 mm (4.7 in) of precipitation over about 10 days, accompanied by high humidity at 84%. In stark contrast, January is frigid, with temperatures plunging as low as -33°C (-26°F) and averaging -14°C (8°F); the maximum temperature only reaches 4°C (39°F). This winter month sees minimal precipitation, only about 8 mm (0.3 in) over just 2 days, and slightly lower humidity at 78%. For more detailed information on January weather, you can refer to Chaoyang weather in January.

September and February showcase drastically different weather patterns. In September, temperatures range from a mild 1°C (35°F) at night to a warm 30°C (85°F) during the day, with an average of 17°C (62°F). This month experiences significant rainfall of 119 mm (4.7 in) over about 10 days, contributing to a high humidity level of 84%. In contrast, February is characterized by much harsher conditions, with temperatures plummeting to a minimum of -27°C (-16°F) and reaching a maximum of just 11°C (52°F), averaging -10°C (15°F). Precipitation is considerably lower at only 15 mm (0.6 in) over 3 days, and humidity dips to 72%. For more detailed information, you can explore Chaoyang weather in February.

September and March present contrasting weather conditions, showcasing the transition between seasons. In September, temperatures range from a mild minimum of 1°C (35°F) to a warm maximum of 30°C (85°F), with an average temperature of 17°C (62°F). This month also experiences considerable precipitation, averaging 119 mm (4.7 in) over about 10 days, and a high humidity level of 84%. In stark contrast, March is much colder, with temperatures ranging from a frigid minimum of -22°C (-7°F) to a pleasant maximum of 22°C (72°F), averaging just 1°C (33°F). Precipitation is significantly lower in March, measuring only 26 mm (1.0 in) over approximately 5 days, and humidity drops to a comfortable 65%. For more detailed insights about March weather, visit Chaoyang weather in March.

When comparing the weather in September and April, it's clear that September tends to be warmer and wetter. September's average temperature reaches around 17°C (62°F), with maximums soaring up to 30°C (85°F), while April’s average is significantly cooler at 9°C (48°F), despite having a similar maximum of 29°C (85°F). Additionally, September experiences much higher precipitation, accumulating 119 mm (4.7 in) over about 10 days, compared to just 37 mm (1.5 in) in April over 7 days. Furthermore, the humidity in September is notably higher at 84%, compared to April’s lower 63%. For more detailed weather insights, check out Chaoyang weather in April.

In September, the weather generally features a wider temperature range, with minimums reaching 1°C (35°F) and maximums soaring up to 30°C (85°F), resulting in an average of 17°C (62°F). This month experiences relatively high humidity at 84% and notable precipitation of 119 mm (4.7 in) over about 10 days. In contrast, May presents slightly cooler conditions, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 35°C (95°F), leading to an average of 16°C (61°F). Precipitation is lower in May, at 80 mm (3.1 in), with the same number of rainy days. Additionally, May boasts a more comfortable humidity level of 70%. For more details on May weather, visit Chaoyang weather in May.

September and June exhibit notable differences in weather characteristics. September tends to have a broader temperature range, with minimums dropping to 1°C (35°F) and highs reaching up to 30°C (85°F), averaging around 17°C (62°F). In contrast, June showcases milder temperatures, with a minimum of 7°C (45°F), an average of 20°C (69°F), and maximums of 34°C (93°F). Precipitation levels are somewhat similar, with September receiving 119 mm (4.7 in) over about 10 days compared to June's 111 mm (4.4 in) over 14 days. Additionally, September features higher humidity at 84%, compared to June's 80%. For detailed information on June weather, visit Chaoyang weather in June.

When comparing the weather in September and July, noticeable differences emerge. September experiences a more moderate temperature range with minimums around 1°C (35°F) and maximums reaching 30°C (85°F), averaging 17°C (62°F). In contrast, July has a warmer climate, with minimum temperatures of 12°C (53°F), averaging 25°C (77°F), and maximums soaring up to 37°C (99°F). Precipitation is somewhat comparable, with September recording 119 mm (4.7 in) over 10 days and July slightly higher at 126 mm (5.0 in) over 14 days. Humidity levels are also elevated in both months, with September at 84% and July at 87%. For a more detailed look at July's weather, you can visit Chaoyang weather in July.

In comparing the weather between August and September, we see a notable shift in temperatures and precipitation patterns. September experiences a wider temperature range, with a minimum of 1°C (35°F) and a maximum of 30°C (85°F), while August maintains a warmer average, with minimums around 5°C (41°F) and maximums reaching up to 40°C (104°F). Precipitation is considerably higher in August, totaling 235 mm (9.3 in) over 18 days compared to September's 119 mm (4.7 in) over just 10 days, although humidity remains fairly high in both months, at 84% in September and 88% in August. Consequently, September tends to be milder and less wet, which can make it more comfortable for outdoor activities. For more details, you can refer to this link: Chaoyang weather in August.

In September, Chaoyang experiences a range of temperatures with a minimum of 1°C (35°F) and a high average of 17°C (62°F), peaking at 30°C (85°F). The month sees significant rainfall, with 119 mm (4.7 in) of precipitation spread over 10 days, and humidity remains high at 84%. In contrast, October brings a notable drop in temperatures, with minimums plunging to -7°C (20°F) and an average of 8°C (46°F), while the maximum temperature is still relatively warm at 29°C (84°F). Precipitation decreases to 52 mm (2.1 in) over just 7 days, maintaining the same humidity level of 84%. For more detailed information, you can check Chaoyang weather in October.

September and November exhibit stark contrasts in weather patterns. In September, temperatures range from a comfortable minimum of 1°C (35°F) to a maximum of 30°C (85°F), with an average of 17°C (62°F). The month typically sees about 119 mm (4.7 in) of precipitation over 10 days, accompanied by high humidity levels at 84%. In contrast, November witnesses a significant drop in temperature, with minimums plunging to -17°C (2°F), an average temperature of -1°C (30°F), and a maximum of 17°C (64°F). Precipitation decreases markedly to 40 mm (1.6 in) across just 6 days, and humidity levels drop to 69%. For more information about November weather specifics, visit Chaoyang weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 1°C (35°F) at night to a warm average of 17°C (62°F) during the day, peaking at a high of 30°C (85°F). Therefore, it's a month marked by warmth and significant precipitation of 119 mm (4.7 in) over 10 days, along with high humidity at 84%. In contrast, December transforms the landscape into a winter wonderland, with frigid temperatures plunging to a minimum of -27°C (-16°F) and an average of -11°C (13°F), peaking at just 5°C (42°F). Precipitation drops dramatically to 11 mm (0.4 in) over only 2 days, and humidity also decreases to 65%. For more detailed insights into the winter climate, visit Chaoyang weather in December.

Compare Chaoyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Chaoyang

As September unfolds in Chaoyang, the weather presents a unique transition from the warmth of summer to the crispness of autumn. With an average temperature that hovers around a comfortable 17°C (62°F) and a maximum reach of 30°C (85°F), this month showcases milder conditions compared to the sweltering heat of July and August. However, the increased humidity at 84% and occasional 119 mm of rainfall over 10 days signal a significant shift toward a more variable climate, offering a refreshing change that heralds the onset of fall. For a more detailed insight into the yearly climate patterns, visit Chaoyang Climate.