September Weather in Dongcheng, China

Last updated: August 21, 2025

In Dongcheng, China, September brings a dynamic climate characterized by a maximum temperature of 36°C (98°F) and an average of 25°C (77°F), offering warm days perfect for exploring. As the temperature dips to a minimum of 16°C (62°F) at night, the evenings remain pleasantly cool. However, this month is also marked by an average precipitation of 97 mm (3.8 in) over 10 rainy days, contributing to a humidity level of 70% that enhances the lush surroundings. Whether you’re enjoying the heat or seeking shelter from the rain, September in Dongcheng provides a unique blend of warmth and moisture, ideal for both adventure and tranquility.

September Temperature in Dongcheng

As summer transitions to autumn, September in Dongcheng, China, offers a delightful balance of warmth and coolness. With minimum temperatures averaging 16°C (62°F) and a comfortable average of 25°C (77°F), the month is a reprieve from the sweltering highs of July and August, which soared to 38°C (100°F). Days remain pleasantly warm, reaching up to 36°C (98°F), allowing for outdoor activities, while the evenings hint at the cooler months ahead. This shift signals a time of vibrant foliage and bustling harvests, making September an ideal month to experience the charm of Dongcheng as it prepares for the briskness of autumn.

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).
JanFebMarAprMayJunJulAugSepOctNovDec414555647279838477655645
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 experiences a notable shift in weather patterns, receiving 97 mm (3.8 in) of precipitation over 10 days. This marks a decline from the intensity of the summer months, yet still reflects a significant amount of rainfall as the region transitions into autumn. Following the peak in June with 214 mm (8.4 in), September's precipitation is a reminder of the lingering monsoon influences, while being slightly dampened compared to the previous months. As the year progresses, the rainfall begins to taper off, leading into the drier months of October and November, where averages drop significantly. This gradual decrease highlights the seasonal rhythm surrounding Dongcheng's climate, setting the stage for the crisp air of fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec47469612217421419414097644525
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dongcheng

As September arrives in Dongcheng, China, the humidity takes a welcome dip to 70%, marking it as one of the more comfortable months of the year. This decline comes after a summer characterized by high humidity levels, peaking at 88% in July. Following the sultry heat of mid-year, September offers a refreshing change, as the humidity begins to trend downward, paving the way for the transitioning autumn months. Interestingly, this slight drop contrasts with the overall pattern seen from March to August, where humidity remained consistently high, averaging around 84%. As the city moves into October, humidity levels are expected to rise again to 77%, but September stands out as a moment of relief before the season shifts.

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.
JanFebMarAprMayJunJulAugSepOctNovDec74%78%87%85%82%84%88%84%70%77%84%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dongcheng

As September rolls into Dongcheng, China, the UV Index remains at a notable 10, categorizing sun exposure as very high with a burn time of just 15 minutes. This level is consistent with the intense summer months that precede it, where extreme UV conditions peaked in July and August. Fortunately, this slight dip towards the end of summer signals an opportunity for residents and visitors to enjoy the outdoors while still being mindful of sun protection. As daylight begins to wane in October, the UV Index drops to 9, showcasing the gradual transition into a safer sun exposure period. To stay updated on UV levels and ensure a sun-smart approach, it's essential to monitor the full range of UV data throughout the year. For more information, check out 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.
JanFebMarAprMayJunJulAugSepOctNovDec568101011121110964
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 summer wanes into autumn, September in Dongcheng, China continues to bask in ample sunlight, boasting 257 hours of sunshine. This marks a slight dip from the energetic 311 hours of August, yet it remains significantly higher than the winter months. The trend of increasing daylight hours throughout the spring and summer peaks in July, with a gradual tapering that signals the approach of cooler weather. With the vibrant hues of early autumn setting in, September's sun still provides plenty of opportunities to soak up the warmth, reflecting the comforting transition from the heat of summer to the crispness of fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec176h220h237h239h272h275h303h311h257h216h218h224h
Data source: Dongcheng September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dongcheng During September

September in Dongcheng, China, offers a notable uptick in the likelihood of sunny weather, with a 58% chance of sunshine—the highest since January. As summer wanes and autumn approaches, this month contrasts sharply with the lower probabilities seen in the spring, where chances dropped to as low as 14% in April. After grappling with humidity and storms in the preceding months, September's weather tends to bring a refreshing shift. This seasonal transition not only encourages outdoor activities but also invites locals and visitors alike to enjoy the sun-drenched days that this time of year so generously provides.

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.
JanFebMarAprMayJunJulAugSepOctNovDec53%40%24%14%21%25%31%30%58%33%49%55%
Data source: Dongcheng September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dongcheng in September

As September unfolds in Dongcheng, China, the days gradually begin to shorten, offering around 12 hours of daylight. Following a lush summer filled with vibrant sunsets and extended daylight—peaking at 14 hours in June—the transition into autumn marks a slight decline in available sunlight. This gentle shift from summer's peak is reflected in the steady retreat of daylight hours from 13 hours in both July and August. As the month progresses, residents can enjoy the lingering warmth of summer while preparing for the crisper days ahead, a transition that sets the stage for October's further reduction to 11 hours. This rhythm of daylight encapsulates the region's seasonal dance, inviting both reflection and anticipation as nature prepares for its next phase.

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 25m11h 6m11h 59m12h 54m13h 39m14h 2m13h 51m13h 11m12h 19m11h 24m10h 37m10h 13m
Data source: Dongcheng daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Dongcheng

As September unfolds in Dongcheng, China, the arrival of autumn is gently heralded by a modest wind speed of 2.7 m/s (6 mph). This month's breeze mirrors the calm that characterized the earlier summer months, subtly hinting at the transitional shift as we head into fall. Notably, September's wind conditions maintain a consistent pattern seen throughout the year, fluctuating only slightly around the 2.5 to 2.9 m/s range, with a slight dip in June reflecting the warmer season’s stillness. As October approaches, anticipation builds with a forecasted increase, reaching 3.7 m/s (8 mph), promising a refreshing change as nature prepares for the vibrant foliage and cooler temperatures of the coming months.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.72.92.82.62.32.72.62.7 m/s3.72.62.5
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.

In September, the weather is warm with temperatures ranging from a mild 16°C (62°F) to a scorching 36°C (98°F), complemented by a relatively high humidity of 70%. This month witnesses significant precipitation, averaging 97 mm (3.8 in) spread across approximately 10 days. In contrast, January brings a stark chill, where temperatures plummet to a low of -5°C (23°F) and reach a maximum of 19°C (67°F), combined with a much lower total precipitation of 47 mm (1.8 in) over about 6 days. The humidity in January remains high at 74%, but the overall feel is much colder compared to the warmth of September. For more details, you can check Dongcheng weather in January.

September and February offer starkly contrasting weather conditions. In September, temperatures range from a comfortable minimum of 16°C (62°F) to a sweltering maximum of 36°C (98°F), with an average of 25°C (77°F). This month also sees 97 mm (3.8 in) of rainfall spread over 10 days and a humidity level of 70%. In contrast, February experiences much chillier weather, with temperatures dipping to a minimum of -3°C (27°F) and averaging 7°C (46°F), although it can still reach a pleasant 27°C (80°F) during the warmest days. Precipitation in February is lighter at 46 mm (1.8 in) over the same number of rainy days, accompanied by higher humidity at 77%. For more details, you can visit Dongcheng weather in February.

September typically offers warm and sunny weather, with average temperatures ranging from a minimum of 16°C (62°F) to a maximum of 36°C (98°F). Despite the heat, the month experiences a fair amount of rainfall, with around 97 mm (3.8 in) spread over about 10 days, and humidity sits at a comfortable 70%. In contrast, March presents a cooler climate, with average temperatures varying from a chilly minimum of 3°C (38°F) to a maximum of 29°C (84°F). The month sees similar precipitation levels at approximately 96 mm (3.8 in) but over more days (12), and humidity rises to 87%, creating a distinct dampness in the air. For more detailed insights into March conditions, you can check out Dongcheng weather in March.

In comparing the weather between September and April, September typically experiences warmer temperatures with a minimum of 16°C (62°F) and a maximum reaching up to 36°C (98°F), while April's temperatures are more moderate, ranging from a minimum of 6°C (44°F) to a maximum of 32°C (90°F). Additionally, September has average precipitation of 97 mm (3.8 in) over about 10 days, compared to April's higher rainfall of 121 mm (4.8 in) over 11 days. Humidity is also noticeably higher in April at 85%, compared to 70% in September. For a detailed look at April's weather, you can check Dongcheng weather in April.

In comparing September and May weather, September tends to be warmer overall, with average temperatures reaching 25°C (77°F) compared to May's average of 22°C (73°F). Both months can see maximum temperatures peaking at 36°C (96°F to 98°F), but September experiences less rainfall, accumulating about 97 mm over 10 days, while May is wetter with 174 mm spread over 13 days. Additionally, humidity levels are higher in May at 82%, compared to September's 70%. For a detailed look at May's climate specifics, check out Dongcheng weather in May.

In comparing the weather conditions of September and June, we see some notable differences. September generally experiences slightly warmer temperatures, with an average of 25°C (77°F) compared to June's average of 26°C (79°F). Both months have maximum temperatures that can reach up to 36°C (98°F), but June tends to be more humid at 84% compared to September's 70%. Additionally, June is significantly wetter, receiving about 214 mm (8.4 in) of precipitation over 14 days, whereas September has only 97 mm (3.8 in) over 10 days. For more detailed information, check out Dongcheng weather in June.

In comparing the weather of September and July, September generally experiences milder temperatures with a minimum of 16°C (62°F) and an average of 25°C (77°F), while July tends to be warmer, featuring a minimum of 21°C (70°F) and an average of 29°C (84°F). July can reach maximum temperatures of 38°C (100°F), which is notably higher than September's peak of 36°C (98°F). However, July also sees significantly more rainfall, with 193 mm (7.6 in) of precipitation over 14 days compared to September's 97 mm (3.8 in) over 10 days. Additionally, the humidity is higher in July at 88%, contrasting with September's 70%. For a more detailed look at July's climate, you can visit Dongcheng weather in July.

In comparing the weather between August and September, we see notable differences in temperature and precipitation. August tends to be warmer, with an average temperature of 29°C (85°F) and maximums reaching up to 38°C (100°F). In contrast, September cools down slightly with an average of 25°C (77°F) and maximums at 36°C (98°F). Additionally, August experiences more rainfall, accumulating 140 mm (5.5 in) over 15 days, while September sees only 97 mm (3.8 in) spread across 10 days. Humidity levels are also higher in August at 84% compared to September's 70%. For more details on the weather in August, you can refer to this Dongcheng weather in August.

In September, the weather features warmer temperatures with a minimum of 16°C (62°F) and an average of 25°C (77°F), reaching up to a maximum of 36°C (98°F). This month also experiences considerable precipitation, totaling 97 mm (3.8 in) over approximately 10 days, alongside a humidity level of 70%. In contrast, October sees a notable drop in temperatures, with minimums around 10°C (51°F), an average of 18°C (65°F), and similar maximums peaking at 36°C (97°F). Although October has lower total precipitation at 64 mm (2.5 in) across 9 days, humidity rises to 77%. For more detailed information, you can see Dongcheng weather in October.

September and November show a marked contrast in weather conditions. In September, temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 36°C (98°F), with an average of 25°C (77°F). The month also experiences significant rainfall, totaling 97 mm (3.8 in) over about 10 days, accompanied by a humidity level of 70%. In contrast, November brings much cooler temperatures, with a minimum of 3°C (38°F), an average of 14°C (57°F), and a maximum reaching 27°C (81°F). Precipitation decreases to 45 mm (1.8 in) over 8 days, while humidity rises to 84%, creating a distinct chill in the air. For more detailed information, you can check Dongcheng weather in November.

September and December present a stark contrast in weather conditions. In September, temperatures enjoy a warm range, with a minimum of 16°C (62°F) and an average of 25°C (77°F), peaking at a sweltering 36°C (98°F). This month sees a fair amount of rainfall, accumulating to 97 mm (3.8 inches) over about 10 days, accompanied by relatively high humidity at 70%. On the other hand, December ushers in much cooler temperatures, with a minimum of -3°C (27°F) and an average of just 7°C (45°F), reaching a maximum of 19°C (66°F). Precipitation drops to 25 mm (1.0 inches) over 6 days, and humidity rises to 80%. For a detailed look at the weather patterns in December, you can check 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 begins to transition into a more temperate climate, bringing a noticeable shift from the scorching summer heat. Daytime temperatures peak at a comfortable average of 25°C, making outdoor activities quite pleasant, while the nights cool down to around 16°C, providing a refreshing reprieve. However, with approximately 10 days of rainfall and humidity lingering around 70%, the atmosphere can feel quite different compared to the drier months. This blend of warmth and moisture not only revives the lush landscapes but also enhances the overall charm of the area. Discover more about the trends and patterns of this vibrant climate at Dongcheng Climate.