September Weather in Dongcheng, China

Last updated: August 21, 2025

In Dongcheng, China, September brings a blend of warmth and moisture, with maximum temperatures reaching up to 34°C (93°F), while the average hovers around 22°C (72°F) and the minimum dips to 14°C (57°F). This month experiences significant precipitation, totaling 186 mm (7.3 in) over approximately 18 days, contributing to a notably high humidity level of 84%. As the summer transitions into autumn, the weather is characterized by a mix of sunny and rainy days, perfect for experiencing the vibrant, lush landscapes of the region.

September Temperature in Dongcheng

In September, Dongcheng, China experiences a pleasant transition from the sweltering summer months to the cooler embrace of autumn. With minimum temperatures averaging 14°C (57°F) and maximums peaking at 34°C (93°F), the days remain warm but are softened by a gentle breeze, making it an ideal time to explore the outdoors. The average temperature of 22°C (72°F) creates a comfortable backdrop for various activities, whether you're strolling through vibrant city parks or enjoying local cuisine at outdoor cafes. As the month progresses, you can feel the subtle shift towards cooler nights, hinting at the arrival of autumn, but September generally retains a sense of summer's warmth, allowing for a delightful end to the hotter months.

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

The chart illustrates September temperature patterns in Dongcheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dongcheng, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434656636873798072625345
Data source: Temperature data for Dongcheng 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 Dongcheng

In September, Dongcheng, China experiences a notable peak in precipitation, with 186 mm (7.3 in) of rain falling over 18 days. This continued high level of rainfall follows the summer months, contributing to the region’s lush landscapes as it transitions into autumn. Interestingly, September's precipitation remains robust, parallel to August's 171 mm (6.7 in), indicating a sustained wet climate as the monsoon influences linger. As the days cool and the rainy season begins to wane, the gradual decrease in both rainfall and rainy days is evident, setting the stage for the noticeably drier October with 126 mm (5.0 in) expected. This evolution in precipitation patterns demonstrates Dongcheng’s dynamic climate, where the end of summer heralds a rich tapestry of wet weather before the drier months approach.

September Precipitation Trends in Dongcheng

The chart displays monthly precipitation patterns in Dongcheng, 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 Dongcheng, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec39461051191821831891711861266033
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dongcheng

In Dongcheng, China, September marks a transition as humidity begins to recede from the summer peak. With levels hitting 84%, this month reflects a slight dip from August's lofty 87%, yet remains significantly higher than the earlier months of the year. The summer months showcase a consistent rise in humidity, peaking in August, while September hints at the arrival of autumn and cooler weather, paving the way for October's further decline to 81%. This year's trend illustrates a typical climactic rhythm, with humidity levels soaring during summer and gradually retreating as the seasons change. As the humidity begins to ease, residents can look forward to more comfortable conditions ahead.

September Average Humidity in Dongcheng

This chart illustrates the average monthly humidity levels in Dongcheng, 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 Dongcheng is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dongcheng

In September, Dongcheng experiences a notable shift in its UV Index, sitting at 9, which falls under the very high exposure category. This level, while slightly lower than the extreme indices of the summer months, still demands caution, with a burn time of just 15 minutes. The downward trend from the peak indices of 12 in July and August suggests a gradual transition into autumn, yet the potential for skin damage remains significant. As you plan your outdoor activities during this month, it's wise to stay protected from the sun's rays. For more details on personal UV exposure, check out the comprehensive resource at Dongcheng UV Index.

Maximum UV Index Levels in Dongcheng for September

The chart shows the monthly maximum UV Index (UVI) for Dongcheng 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 Dongcheng typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec57911111212129975
Data source: Dongcheng 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 Dongcheng

As the summer heat begins to wane in Dongcheng, September offers a delightful 219 hours of sunshine, marking a noticeable transition from the sun-drenched days of July and August, which basked in over 300 hours of bright skies. This month serves as a bridge, retaining warmth while gracefully yielding to cooler autumn breezes. With sunshine peaking in the sweltering months, September's light gently diminishes compared to the summer peak, yet it remains a vibrant time to enjoy the outdoors. As the year progresses, the sunlight declines steadily into the cooler months, with October and November offering a meager 138 and 145 hours, respectively. As autumn unfolds, the enchanting balance of warmth and coolness makes September a particularly inviting time in Dongcheng, leaving residents and visitors alike eager to embrace the season.

Monthly Sunshine Duration in Dongcheng: September Highlighted

The September sunshine duration represents the total number of hours Dongcheng 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h149h179h205h242h252h304h312h219h138h145h119h
Data source: Dongcheng September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dongcheng During September

As September rolls in, the likelihood of sunny weather in Dongcheng, China, sees a notable upswing, with a 39% chance of sunshine—a significant improvement compared to the preceding summer months of July and August, which hover around 29% and 24% respectively. This increase hints at a transition towards clearer skies, making September one of the more promising months for outdoor activities. The upward trend in sunlit days continues to stand out against the generally gloomy pattern observed from April to June, where the probability plummets to as low as 11%. Overall, September offers a refreshing reprieve and a delightful invitation to soak up the sun before the cooler autumn weather sets in.

Percentage of Sunny Days in September in Dongcheng

The chart illustrates the percentage of sunny days in Dongcheng 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 Dongcheng experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%29%25%13%17%11%29%24%39%20%25%23%
Data source: Dongcheng September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dongcheng in September

As summer fades into autumn in Dongcheng, China, September offers a gentle transition in daylight duration, with the sun gracing the skies for about 12 hours each day. This month marks a subtle decline from the peak daylight of 13 hours experienced during the summer months of June through August. Following the vibrant days of summer, September’s slightly shorter daylight serves as a prelude to the cooler, darker months ahead. With October bringing another hour less of sunlight, the gradual reduction in daylight highlights the shift in seasons, encouraging residents to cherish the lingering warmth and light as they prepare for the cozy embrace of autumn.

Average Daylight Hours in Dongcheng for September

The chart illustrates the variation in daylight duration in Dongcheng throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 29m11h 8m11h 59m12h 52m13h 36m13h 58m13h 47m13h 8m12h 18m11h 26m10h 40m10h 17m
Data source: Dongcheng daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dongcheng

As summer gently yields to autumn, September in Dongcheng, China brings a noticeable shift in the breeze, with average wind speeds reaching 1.9 m/s (4 mph)—the highest of the year. This subtle uptick from previous months not only signifies a refreshing change but also hints at the seasonal transition ahead. Throughout the warmer months, winds remained relatively calm, hovering around 1.5 m/s (3 mph), but as temperatures begin to cool, the increasing winds offer a delightful invitation for outdoor activities. The month stands out as a pivotal moment where nature whispers promises of crisp, invigorating air, paving the way for the enchanting autumn days to come.

Average September Wind Speed in Dongcheng

The chart displays monthly wind speed patterns in Dongcheng, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.51.71.51.41.51.51.61.9 m/s1.61.31.4
Data source: Dongcheng September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Dongcheng Compares to Other Months

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

September and January showcase stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a scorching 34°C (93°F) during the day, with an average of 22°C (72°F). This month also experiences significant precipitation, accumulating around 186 mm (7.3 in) over 18 days, contributing to a high humidity level of 84%.

In contrast, January presents a chillier scene, with minimum temperatures dipping to -4°C (25°F) and averaging only 6°C (43°F). The maximum temperature reaches a mere 16°C (61°F), and the month is much drier, receiving just 39 mm (1.5 in) of rainfall over 9 days and exhibiting a lower humidity of 72%.

For a more detailed look at January weather, visit Dongcheng weather in January.

In September, the weather is significantly warmer, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (93°F), creating a pleasant environment for outdoor activities. However, this month also experiences high humidity levels at 84% and frequent rainfall, totaling 186 mm (7.3 in) over 18 days. In contrast, February brings much cooler conditions, with temperatures ranging from a low of -1°C (30°F) to a comfortable high of 24°C (75°F), accompanied by significantly less precipitation at 46 mm (1.8 in) over just 10 days. The humidity in February is slightly lower at 76%, making it a drier month overall. For more detailed insights into February weather, you can refer to Dongcheng weather in February.

September and March present distinct weather characteristics that reflect the transition between summer and autumn and the arrival of spring. In September, temperatures range from a minimum of 14°C (57°F) to a maximum of 34°C (93°F), averaging around 22°C (72°F). This month is also marked by higher precipitation, totaling 186 mm (7.3 in) over 18 days, along with a humidity level of 84%. In contrast, March experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 30°C (86°F), averaging at 13°C (56°F). Precipitation in March is lower, measuring 105 mm (4.1 in) across the same number of rainy days, with humidity at 80%. For more detailed insights into March weather, you can check Dongcheng weather in March.

September and April present distinct weather patterns. September boasts warmer temperatures, with averages around 22°C (72°F) and maximums peaking at 34°C (93°F), while April is cooler, averaging 17°C (63°F) and reaching a high of 32°C (90°F). Precipitation is more abundant in September, with 186 mm (7.3 in) over 18 days, compared to April's 119 mm (4.7 in) also across 18 days. Humidity levels are slightly higher in September at 84%, in contrast to April's 77%. For those interested in specific details about April weather, you can refer to Dongcheng weather in April.

September and May exhibit similar temperature ranges, with both months experiencing maximums around 34°C (93-94°F), but September tends to be slightly warmer overall, averaging 22°C (72°F) compared to May's average of 20°C (68°F). Precipitation levels are comparable as well, with September receiving about 186 mm (7.3 in) over 18 days, while May has slightly less at 182 mm (7.2 in) across 19 days. Humidity is also fairly high in both months, with September at 84% and May at 82%. For more detailed information about May weather, you can check Dongcheng weather in May.

In comparing the weather of September and June, we find that both months experience similar temperature ranges, with June averaging 23°C (74°F) and September slightly lower at 22°C (72°F). However, September tends to have slightly higher humidity at 84%, compared to June’s 85%. Precipitation levels are nearly identical, with September receiving 186 mm (7.3 in) over 18 days and June slightly less at 183 mm (7.2 in) over 19 days. Both months can be warm, reaching maximum temperatures of 34°C (93°F). For more detailed information about weather conditions during June, check out Dongcheng weather in June.

When comparing the weather in September to that of July, notable differences emerge. September features a cooler temperature range with minimums of 14°C (57°F) and maximums reaching 34°C (93°F), while July is generally hotter, with temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 38°C (100°F). Both months see substantial rainfall, with September recording 186 mm (7.3 in) and July slightly higher at 189 mm (7.5 in), although both have precipitation on about 18 days. Humidity levels remain relatively similar, with September at 84% and July slightly higher at 85%. For more details on July weather in Dongcheng, you can visit Dongcheng weather in July.

In comparing the weather of September and August, September experiences a noticeable decrease in temperature, with a minimum of 14°C (57°F) and an average of 22°C (72°F), while August has higher temperatures, ranging from a minimum of 17°C (64°F) to an average of 27°C (81°F). August also sees more extreme heat, reaching a maximum of 37°C (99°F), compared to September’s maximum of 34°C (93°F). However, September is slightly wetter, with 186 mm (7.3 in) of precipitation over 18 days, compared to August's 171 mm (6.7 in) over 17 days. Humidity levels are relatively similar, with September at 84% and August slightly higher at 87%. For more details, you can visit Dongcheng weather in August.

September brings warmer temperatures, with averages around 22°C (72°F) and highs reaching up to 34°C (93°F), while October sees a noticeable drop in the average temperature to 16°C (62°F), with minimums plummeting to 7°C (45°F). Precipitation levels also decrease in October, with 126 mm (5.0 in) compared to the 186 mm (7.3 in) recorded in September, and the number of rainy days remains similar at 17. Despite the slight reduction in humidity from 84% in September to 81% in October, the overall climate is much cooler and fresher. For more detailed weather insights, check out Dongcheng weather in October.

In September, the weather is noticeably warmer with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 34°C (93°F). The month also experiences high humidity at 84% and significant precipitation of 186 mm (7.3 in) over 18 days. In contrast, November brings a dramatic drop in temperatures, with averages between 3°C (38°F) and 27°C (80°F). However, while the humidity remains relatively high at 86%, precipitation decreases to 60 mm (2.4 in) over 12 days. For more insights on November's weather, you can check Dongcheng weather in November.

In September, the weather is warm and humid, with average temperatures around 22°C (72°F) and highs reaching up to 34°C (93°F). This month also experiences significant rainfall, with 186 mm (7.3 in) over 18 days, contributing to a humidity level of 84%. In contrast, December brings much colder conditions, with average temperatures dropping to 7°C (45°F) and a maximum of only 17°C (63°F). Precipitation is significantly lower at 33 mm (1.3 in) over 9 days, and humidity remains moderate at 81%. For more details on the December climate, visit Dongcheng weather in December.

Compare Dongcheng's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Dongcheng

As September unfolds in Dongcheng, the weather transitions into a unique blend of warmth and moisture, distinguishing it from the preceding summer months. With an average temperature settling at a comfortable 22°C (72°F), days can still reach warm highs of around 34°C (93°F), creating a pleasant yet humid atmosphere—with humidity levels soaring to 84%. However, the month is often marked by frequent rain, as evidenced by nearly two-thirds of September seeing some precipitation. This shift towards wetter conditions, with significant rainfall accumulating over several days, sets September apart from the drier, hotter months of July and August. For a more comprehensive understanding of how September weather fits into the annual cycle, check out Dongcheng Climate.