September Weather in Huangshan, China

Last updated: August 21, 2025

September in Huangshan, China brings a delightful blend of cool temperatures and vibrant landscapes. With a maximum of 25°C (77°F) and an average of 17°C (62°F), the weather offers a refreshing escape, although cooler mornings can dip to a minimum of 7°C (45°F). This month sees significant rainfall, totaling 261 mm (10.3 in) over approximately 27 days, contributing to the region's lush scenery. Adding to the experience, humidity levels hover around a high 90%, creating a misty atmosphere that enhances Huangshan's iconic views. Ideal for nature lovers and adventure seekers alike, September showcases the captivating beauty of this UNESCO World Heritage site.

September Temperature in Huangshan

In September, Huangshan, China welcomes the transition from summer to autumn with mildly cool temperatures. The month begins with a comfortable minimum of 7°C (45°F), gradually rising to an average of 17°C (62°F) during the day, and peaking at a pleasant 25°C (77°F). This pattern signifies a gentle dip from the warmer summer months, as August's temperatures are slightly higher, emphasizing Huangshan's seasonal shift. As visitors explore the breathtaking landscapes, they can enjoy clear skies and the beginning of autumn foliage, making September an ideal time for outdoor adventures against the backdrop of the mountain's majestic scenery.

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

The chart illustrates September temperature patterns in Huangshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Huangshan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec424551566266656562584943
Data source: Temperature data for Huangshan 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 Huangshan

September in Huangshan, China, marks a significant transition in precipitation patterns as the region approaches autumn. With 261 mm (10.3 in) of rainfall recorded over 27 days, the month continues the trend of high humidity seen throughout the summer months. Comparatively, this amount is slightly less than August's 295 mm (11.6 in) but still substantial, indicating a persistent wet season. The frequency of rainy days remains high, mirroring July and August, which suggests that cloud cover and moisture linger as temperatures begin to cool. As the year progresses into October, a noticeable drop in both precipitation and rainy days is expected, signaling a gradual shift towards drier conditions.

September Precipitation Trends in Huangshan

The chart displays monthly precipitation patterns in Huangshan, 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 Huangshan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1418254488239319295261133208
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Huangshan

In September, Huangshan, China, experiences a notable peak in humidity, reaching an impressive 90%. This trend marks the continuation of the summer months' high humidity, which begins in June and escalates through August. As summer transitions into autumn, the air remains heavily saturated, reminiscent of the classic Chinese landscape paintings that depict misty mountains. Interestingly, after September, humidity begins to gradually decline, dropping to 86% in October. This pattern highlights the region's distinct seasonal shifts, where the peak summer humidity gives way to the crispness of autumn, creating a dynamic environment that's both awe-inspiring and refreshingly diverse.

September Average Humidity in Huangshan

This chart illustrates the average monthly humidity levels in Huangshan, 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 Huangshan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%46%54%71%82%89%90%90%86%85%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Huangshan

In September, Huangshan, China, maintains an extreme UV Index of 14, similar to the peak summer months of June and July. This consistency underscores the region's persistent sun exposure and the importance of sun protection, with a brief burn time of just 10 minutes. As the summer heat wanes, the UV levels remain formidable, reflecting a gradual transition into autumn without a significant dip. While October shows a slight decrease to an index of 12, September continues to remind residents and visitors alike about the need for vigilance against UV radiation. For more details on UV levels throughout the year in Huangshan, visit Huangshan UV Index.

Maximum UV Index Levels in Huangshan for September

The chart shows the monthly maximum UV Index (UVI) for Huangshan 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 Huangshan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121314141615141297
Data source: Huangshan 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 Huangshan

As autumn approaches, September in Huangshan, China experiences a gentle transition, with 268 hours of sunshine illuminating the landscape. This slight dip from the summer months reflects a gradual retreat from the peak sunshine seen in bustling July and August, which boasted 266 and 296 hours respectively. However, September maintains a pleasant brightness that can be felt after the sweltering heat of summer, offering a perfect backdrop for exploring the region’s stunning natural beauty. The trend suggests that while days are getting shorter, the allure of the mountain scenery remains vibrant, with October typically offering 284 hours of sun as the golden hues of autumn begin to paint the hillsides. This seamless blend of seasonal change keeps adventure seekers and nature lovers captivated throughout the transition.

Monthly Sunshine Duration in Huangshan: September Highlighted

The September sunshine duration represents the total number of hours Huangshan 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.
JanFebMarAprMayJunJulAugSepOctNovDec246h294h339h315h330h296h266h296h268h284h297h301h
Data source: Huangshan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Huangshan During September

As September rolls into Huangshan, the likelihood of basking in sunny weather remains quite low, with only a 13% chance of sunshine. This trend follows a summer characterized by even less favorable conditions in July and August, when sunny days are extremely rare. The overall pattern indicates that as the year progresses from the bright days of February and March, which boast probabilities over 70%, the likelihood of clear skies starts to taper off significantly. With September nestled in this downward trend, visitors can expect the clouds to prevail, making it less than ideal for those hoping to explore Huangshan's stunning landscapes under a sunlit sky.

Percentage of Sunny Days in September in Huangshan

The chart illustrates the percentage of sunny days in Huangshan 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 Huangshan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%79%74%64%43%13%11%13%13%38%70%71%
Data source: Huangshan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Huangshan in September

As September arrives in Huangshan, China, the daylight starts to gracefully retreat, offering about 12 hours of sunlight—a gentle transition from the long, sun-filled summer months. After a peak of 13 hours in June, July, and August, the daylight begins to wane gradually, echoing the onset of fall. This rhythmic pattern showcases a distinct cycle throughout the year, with shorter days in winter and a gradual lengthening leading into spring. September's daylight balance allows for ample time to explore the breathtaking landscapes of Huangshan, making it an ideal month for both adventure and contemplation amidst nature's changing hues.

Average Daylight Hours in Huangshan for September

The chart illustrates the variation in daylight duration in Huangshan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 38m11h 14m12h12h 47m13h 27m13h 47m13h 37m13h 2m12h 17m11h 29m10h 48m10h 28m
Data source: Huangshan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Huangshan

As autumn approaches in Huangshan, China, the September winds whisper gently through the ancient mountains, with an average wind speed of just 1.1 m/s (2 mph). This marks a continuation of the lighter breezes that began in the summer months, where July and August mirrored this calm atmosphere. Following a peak in the spring months, which boasted slightly stronger winds of around 2.4 m/s (5 mph) in March and April, the transition into autumn brings a serene stillness, inviting visitors to immerse themselves in the stunning landscapes. As the year progresses towards winter, the winds begin to pick up again, hinting at a more invigorating atmosphere ahead. Thus, September serves as a gentle reminder of the mellow shift in seasons, perfectly complementing the breathtaking views that Huangshan has to offer.

Average September Wind Speed in Huangshan

The chart displays monthly wind speed patterns in Huangshan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.02.42.42.21.31.11.11.1 m/s1.41.61.5
Data source: Huangshan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Huangshan Compares to Other Months

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

In September, the weather is mild and warm, with average temperatures ranging from 7°C (45°F) to a maximum of 25°C (77°F). However, it also features high humidity at 90% and significant rainfall, with 261 mm (10.3 in) spread over 27 days. In contrast, January experiences much colder conditions, with temperatures dropping as low as -5°C (24°F) and a cooler average of 6°C (42°F). Precipitation during this month is minimal, totaling only 14 mm (0.6 in) over just 3 days, resulting in a lower humidity level of 65%. For more details, you can check Huangshan weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a cool 7°C (45°F) to a warm 25°C (77°F), with an average of 17°C (62°F). This month experiences significant rainfall, totaling 261 mm (10.3 in) over approximately 27 days, contributing to high humidity levels averaging 90%. In stark contrast, February is much colder, with temperatures dipping as low as -4°C (26°F) and averaging around 7°C (45°F), peaking at 22°C (71°F). Precipitation is minimal in February, with only 18 mm (0.7 in) falling over just 3 days, leading to a lower humidity level of 69%. For more detailed insights, you can refer to the Huangshan weather in February.

September and March exhibit significantly different weather patterns. In September, temperatures range from a brisk 7°C (45°F) to a comfortable 25°C (77°F), with an average of 17°C (62°F). However, it is also a notably wet month, receiving 261 mm (10.3 in) of precipitation over 27 days, resulting in high humidity levels at 90%. In contrast, March presents a starkly different climate, with temperatures dipping to a minimum of -3°C (27°F) and peaking at 26°C (79°F), but with a much cooler average of 11°C (51°F). Additionally, March enjoys significantly less rainfall, totaling just 24 mm (1.0 in) across 6 days, and a lower humidity of 46%. For more details on the weather in March, visit Huangshan weather in March.

September weather is characterized by milder temperatures with a minimum of 7°C (45°F) and an average of 17°C (62°F), peaking at 25°C (77°F). However, this month experiences substantial rainfall, with 261 mm (10.3 in) of precipitation over 27 days and high humidity levels at 90%. In contrast, April showcases cooler temperatures, with a minimum of 2°C (35°F) and an average of 13°C (56°F), reaching a maximum of 27°C (81°F). April is notably drier, accumulating only 44 mm (1.7 in) of precipitation over just 8 days, alongside a much lower humidity at 54%. For more detailed insights, you can check Huangshan weather in April.

September and May present contrasting weather patterns despite having a similar average temperature of 17°C (62°F). In September, temperatures range from a chilly 7°C (45°F) to a milder 25°C (77°F), accompanied by significant rainfall of 261 mm (10.3 in) over 27 days and high humidity at 90%. In contrast, May sees slightly cooler minimum temperatures at 3°C (37°F) but peaks at a warmer 29°C (85°F). The month also enjoys much less precipitation, with only 88 mm (3.5 in) spread across 11 days, and lower humidity at 71%. For a more detailed look at how May’s climate shapes the environment, check out Huangshan weather in May.

September and June exhibit notable differences in weather patterns. September tends to be cooler, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 25°C (77°F), compared to June's warmer temperatures that range from a minimum of 10°C (50°F) to a maximum of 30°C (87°F). Additionally, September experiences higher precipitation levels, totaling 261 mm (10.3 in) across 27 days, while June records 239 mm (9.4 in) over 20 days. The humidity is also slightly higher in September at 90%, compared to June's 82%. For a closer look at June weather trends, you can visit Huangshan weather in June.

In September, temperatures range from a cooler minimum of 7°C (45°F) to a pleasant maximum of 25°C (77°F), with an average of 17°C (62°F). The month sees considerable rainfall, with 261 mm (10.3 in) spread over 27 days and a high humidity level of 90%. In contrast, July experiences slightly warmer weather, with temperatures starting at a minimum of 11°C (51°F) and peaking at 27°C (80°F), averaging 18°C (65°F). July is also wetter, with 319 mm (12.6 in) of precipitation over 28 days, maintaining a humidity of 89%. For more details on July weather conditions, you can check Huangshan weather in July.

In comparing the weather between August and September, September tends to be cooler, with minimum temperatures dropping to 7°C (45°F) and an average of 17°C (62°F), compared to August's minimum of 10°C (51°F) and an average of 18°C (65°F). Although both months experience a high level of humidity at 90%, September sees slightly less precipitation, totaling 261 mm (10.3 in) over 27 days, compared to August's 295 mm (11.6 in) over the same number of days. For a more detailed look at August's climate, you can check out Huangshan weather in August.

In September, temperatures begin to drop, with a minimum of 7°C (45°F) and an average of 17°C (62°F), reaching a maximum of 25°C (77°F). The month experiences substantial rainfall, totaling 261 mm (10.3 in) over 27 days, along with high humidity levels around 90%. In contrast, October sees a further decline in temperatures, with a minimum of 4°C (39°F) and an average of 14°C (58°F), while the maximum remains slightly lower at 24°C (76°F). Precipitation significantly decreases to 133 mm (5.3 in) over 18 days, and humidity also diminishes slightly to 86%. For more detailed insights, you can check Huangshan weather in October.

September experiences a mild and humid climate, with average temperatures around 17°C (62°F) and maximums reaching 25°C (77°F). However, it is also marked by frequent rain, accumulating 261 mm (10.3 in) over 27 days, resulting in a humidity level of 90%. In contrast, November brings a significant drop in temperatures, with averages of 10°C (50°F) and a maximum of 22°C (71°F). The precipitation drastically decreases to just 20 mm (0.8 in) over 4 days, and humidity is slightly lower at 85%. This shift highlights a transition from the wetter, warmer days of September to the cooler, drier atmosphere of November. For more detailed insights into November's weather, you can visit Huangshan weather in November.

September and December present stark contrasts in terms of weather conditions. In September, temperatures range from a mild 7°C (45°F) at night to a warm 25°C (77°F) during the day, with an average of 17°C (62°F). The month is characterized by high humidity at 90% and frequent rainfall, with 261 mm (10.3 in) spread over 27 days. In contrast, December experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 19°C (67°F), leading to an average of only 6°C (44°F). Precipitation drops dramatically to just 8 mm (0.3 in) over just one day, and humidity decreases to 73%. For more detailed insights, you can check Huangshan weather in December.

Compare Huangshan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Huangshan

September in Huangshan presents a unique transitional experience as the summer heat begins to wane, giving way to cooler, more invigorating temperatures. Unlike the scorching summer months, when temperatures can soar, September’s climate feels refreshingly mild, with a noticeable drop in warmth. Humidity remains high, contributing to a lush environment, though the increased precipitation, with frequent rain showers spread across nearly the entire month, sets this time apart. Visitors can expect a vibrant landscape, perfect for exploration, but should prepare for wet weather. For a deeper dive into Huangshan's weather patterns throughout the year, explore Huangshan Climate.