Last updated: August 21, 2025
In Huangshan, China, the weather in September features maximum temperatures reaching up to 36°C (97°F) and an average of 24°C (76°F), providing warm conditions that are ideal for exploration. Minimum temperatures can drop to a comfortable 15°C (60°F), offering pleasant evenings. However, visitors should prepare for moderate rainfall, with an accumulated precipitation of 110 mm (4.3 in) over approximately 12 days. The humidity level averages around 72%, creating a lush and vibrant environment, perfect for experiencing the breathtaking landscapes that Huangshan is renowned for.
In September, Huangshan, China, experiences a delightful transition as the summer heat begins to wane. With minimum temperatures around 15°C (60°F) and average highs reaching 36°C (97°F), the weather is still pleasantly warm, perfect for outdoor explorations. This month sees an encouraging average of 24°C (76°F), creating a comfortable ambiance for visitors eager to admire the stunning landscapes. Compared to the sweltering highs of July and August, September offers a refreshing reprieve while still retaining a sense of summer's warmth, making it an ideal time for hiking and enjoying the breathtaking scenery without the intense heat. As autumn approaches, guests can relish both the beauty of the season and the mild climate that enhances Huangshan's renowned vistas.
In September, Huangshan experiences a significant transition in its weather patterns, characterized by a total precipitation of 110 mm (4.3 in) over approximately 12 days of rain. This marks a noticeable decrease from the summer months, where June and July bring heavy downpours, peaking at 370 mm (14.6 in) and 300 mm (11.8 in), respectively. As the region shifts into autumn, rainfall begins to taper off, offering a reprieve that sets the stage for drier months ahead, such as October with its mere 37 mm (1.5 in). This pattern of diminishing precipitation not only highlights the seasonal changes but also contributes to the vibrant landscapes and lush greenery that define Huangshan’s early fall beauty.
In Huangshan, China, September marks a noticeable shift in humidity levels as summer transitions to autumn. With humidity at 72%, the month offers a refreshing dip from the peak tropical stickiness of July and August, which both soar to an average of 91% and 87%, respectively. This reduction in humidity is a precursor to the drier conditions that follow in the months ahead, culminating in October's slight increase to 74%. As the year progresses, the trend shows a gradual rise in humidity from winter's 65% in January to the late spring and summer highs, before finally settling back down as autumn sets in. Thus, September serves as a bridge, highlighting the seasonal ebb and flow of humidity, making it a particularly pleasant time to experience Huangshan's natural beauty.
In Huangshan, China, the UV Index during September reflects a remarkable trend of intensity, maintaining an extreme exposure category with a UV Index of 11. As summer transitions into fall, the burn time remains a brisk 10 minutes, indicating the necessity for protective measures even as temperatures begin to cool. Following four months of extreme UV levels, September’s index slightly dips, yet it still calls for vigilance. This pattern underscores the importance of understanding sun exposure throughout the year. For more detailed insights into seasonal UV variations, visit Huangshan UV Index.
UV Risk Categories
As summer fades into autumn, September in Huangshan, China, offers a delightful balance of sunlight, with 255 hours of bright days. This month marks a transition, following the sun-drenched August that boasts an impressive 309 hours of sunshine. The gradual decline in sunlight hours is a clear indication of the changing seasons, dipping from the peak of summer but still shining brightly compared to the early months of the year, which see far fewer sunny hours. April and May also shine well, offering a spring burst of 242 and 273 hours, respectively. Overall, September maintains a joyful warmth, inviting visitors to enjoy the stunning landscapes of Huangshan bathed in soft autumn light, before the days grow shorter in October.
In Huangshan, China, September stands out with a 54% chance of sunny weather, marking a notable increase compared to the preceding summer months. As the peak of sunshine aligns with the arrival of autumn, this month presents one of the best opportunities for outdoor activities and sightseeing. Following a dip in sunshine during the sweltering summer, where July and August see only 17% and 33% chances, respectively, September brings renewed clarity. This positive trend continues into October, although the likelihood of sun drops to 37%. Thus, September serves as a delightful bridge from summer’s warmth to autumn's crisp embrace, making it an ideal time to experience the breathtaking landscapes of Huangshan.
In Huangshan, China, the daylight duration follows a captivating rhythm throughout the year, with September marking a transitional phase. After basking in the longest days of summer, which peak at 14 hours in June, daylight begins to wane slightly in September, dropping to 12 hours. This gradual reduction signals the approach of autumn, echoing the picturesque shift in foliage that accompanies the seasonal change. As the days shorten further into October and November, the sunlight’s diminishing warmth beckons the cozy embrace of winter, cycling back to 10-hour days in January. This ebb and flow of daylight creates a dynamic tapestry of light that enhances Huangshan's breathtaking landscapes year-round.
As September sweeps into Huangshan, China, the gentle breezes reflect the transition of seasons, maintaining an average wind speed of 1.6 m/s (4 mph). This slight dip from the summer gusts of July, which peaked at 2.2 m/s (5 mph), hints at the cooling embrace of fall. Throughout the year, wind patterns reveal a rhythmic consistency, with most months clustering around 1.8 m/s (4 mph). Notably, as the autumnal equinox approaches, the air carries a crispness that invigorates the senses, setting the stage for the stunning landscapes and vibrant foliage that characterize this iconic region. As the winds begin to pick up again in October, reaching 2.1 m/s (5 mph), one can almost feel nature's energy shifting, signaling the vibrant change in Huangshan's natural beauty.
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.
September brings a warm and humid climate, with average temperatures around 24°C (76°F) and peaks reaching as high as 36°C (97°F). With 110 mm of rainfall spread across 12 days, this month often features a moist atmosphere that can feel quite oppressive. In contrast, January presents a starkly different weather pattern, showcasing a much cooler environment—average temperatures drop to around 5°C (42°F) with nighttime lows plummeting to -7°C (20°F). Precipitation is lighter at 75 mm over 9 days, and the humidity is lower at 65%, creating a brisk and refreshing ambiance. For more specifics on January weather, you can check Huangshan weather in January.
September and February present strikingly contrasting weather patterns. In September, temperatures range from a mild 15°C (60°F) to a scorching maximum of 36°C (97°F), with an average of 24°C (76°F). This month also sees significant rainfall, with 110 mm (4.3 in) of precipitation over 12 days and humidity levels hovering around 72%. In contrast, February experiences much colder temperatures, with a minimum of -3°C (27°F) and a maximum of 25°C (76°F), averaging just 7°C (45°F). Although February has less precipitation at 81 mm (3.2 in) across 11 days, the humidity remains similar at 71%. For those interested in learning more about February’s conditions, you can refer to Huangshan weather in February.
September and March offer contrasting weather experiences. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 36°C (97°F), with an average of 24°C (76°F), making it much warmer than March. September also sees about 110 mm (4.3 in) of precipitation over 12 days and has a humidity level of 72%. In contrast, March is significantly cooler, with temperatures varying from 1°C (34°F) to 28°C (83°F) and an average of just 12°C (54°F). Additionally, March has higher rainfall, totaling 182 mm (7.2 in) over 16 days, and a humidity level of 81%. For more detailed insights, check out Huangshan weather in March.
When comparing the weather in September and April, notable differences emerge. September enjoys significantly warmer temperatures, with averages reaching 24°C (76°F) and a maximum of 36°C (97°F), while April's temperatures are milder, averaging 17°C (63°F) with a peak of 32°C (90°F). Precipitation is also higher in April at 153 mm (6.0 in) across 13 days, compared to September's 110 mm (4.3 in) over 12 days. Moreover, April tends to be more humid, with levels at 86%, compared to September’s humidity of 72%. For a more detailed look at April weather, visit Huangshan weather in April.
September and May showcase distinct weather patterns, highlighting the transition between seasons. In September, temperatures range from a comfortable 15°C (60°F) to a high of 36°C (97°F), with an average of 24°C (76°F). The month experiences 110 mm (4.3 in) of precipitation over approximately 12 days, accompanied by a humidity level of 72%. In contrast, May features cooler temperatures, with a minimum of 9°C (49°F) and an average of 22°C (71°F), peaking at 35°C (95°F). However, it is wetter, with rainfall totaling 216 mm (8.5 in) over 15 days and higher humidity at 87%. This comparison underscores the warmth and relative dryness of September against the cooler, more humid, and wetter conditions typical of May. For more details on May's climate, you can visit Huangshan weather in May.
When comparing the weather in September and June, both months exhibit similar average temperatures, hovering around 24°C (76°F), but they diverge significantly in precipitation and humidity levels. September typically experiences a maximum temperature of 36°C (97°F) and relatively lower humidity at 72%, while June peaks at 35°C (95°F) with a higher humidity of 87%. Precipitation is also notably different; September receives 110 mm (4.3 in) over approximately 12 days, whereas June is much wetter, accumulating 370 mm (14.6 in) across 20 rainy days. For more detailed information, you can explore Huangshan weather in June.
In comparing the weather between September and July, September tends to be slightly cooler with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 36°C (97°F), and an average of 24°C (76°F). July, on the other hand, presents much warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to a peak of 38°C (100°F) and an average temperature of 28°C (82°F). Additionally, September experiences less precipitation, with 110 mm (4.3 in) over 12 days, while July is significantly wetter, recording 300 mm (11.8 in) across 18 days. The humidity is also noticeably higher in July at 91%, compared to 72% in September. For more detailed insights, you can check Huangshan weather in July.
September weather shows a slight decrease in temperature compared to August, with minimum temperatures of 15°C (60°F) and an average reaching 24°C (76°F), while August boasts minimums of 17°C (63°F) and a higher average of 28°C (83°F). The maximum temperature in September peaks at 36°C (97°F), slightly lower than August's high of 37°C (99°F). Additionally, September experiences less precipitation, totaling 110 mm (4.3 in) over 12 days, compared to August's 157 mm (6.2 in) over 14 days. Humidity levels also drop from August's 87% to September's 72%, making September slightly more comfortable overall. For more details on August weather, visit Huangshan weather in August.
September typically showcases warmer temperatures, with minimums around 15°C (60°F) and averages reaching up to 24°C (76°F). It also experiences higher maximums of 36°C (97°F) and significantly more rainfall, totaling 110 mm (4.3 in) across approximately 12 days. In contrast, October usher in a cooler climate, with minimum temperatures plummeting to 7°C (45°F) and average highs settling at 18°C (65°F). The month sees a decrease in precipitation, amounting to 37 mm (1.5 in) across about 7 days, while humidity remains relatively steady at 74%. For more details on the specific weather patterns during this time, check out Huangshan weather in October.
In September, the weather is warm with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 36°C (97°F), averaging around 24°C (76°F). This month experiences significant rainfall of 110 mm (4.3 in) over 12 days, accompanied by a humidity level of 72%. In contrast, November brings a cooler climate, with temperatures dipping to a minimum of -1°C (31°F) and averaging 13°C (55°F), while the maximum reaches 27°C (80°F). The month has less precipitation, at 54 mm (2.1 in) over 10 days, and a slightly higher humidity of 80%. For more details, you can visit Huangshan weather in November.
September and December present stark contrasts in weather patterns. September boasts a warmer climate with average temperatures around 24°C (76°F) and highs reaching up to 36°C (97°F), accompanied by substantial rainfall of 110 mm (4.3 in) over 12 days. In contrast, December experiences much cooler temperatures, averaging only 7°C (45°F) with a maximum of 20°C (69°F), while recording less precipitation at 64 mm (2.5 in) over 8 days. Notably, December's humidity remains relatively high at 78%, making it feel colder than it actually is. For more details, you can refer to Huangshan weather in December.
In September, Huangshan experiences a delightful transition as summer gives way to the crispness of autumn. With temperatures peaking around 36°C during the day and cooling to a mild 15°C at night, this month offers a comfortable average of 24°C. While the humidity remains moderately high at 72%, September sees increased rainfall, bringing about 110 mm of precipitation over approximately 12 days. This unique blend of warmth and moisture fosters a vibrant landscape ideal for exploration. Compared to the hotter, drier months of summer, September provides a more balanced climate, perfect for outdoor activities. For a deeper understanding of what to expect throughout the year, discover more in our detailed overview of Huangshan Climate.