Last updated: August 21, 2025
In Hengshan, China, September ushers in a varied climate marked by a maximum temperature of 28°C (83°F) and a refreshing average of 15°C (59°F), dipping occasionally to a minimum of 1°C (33°F). This transitional month experiences significant precipitation, totaling 75 mm (3.0 in) over approximately 12 days, contributing to an overall humidity level of 86%. As the summer heat recedes, the weather remains dynamic, making it a compelling time for visitors to experience the region’s lush landscapes and vibrant atmosphere.
In September, Hengshan experiences a notable transition as temperatures become milder, showcasing a minimum of 1°C (33°F) and an average of 15°C (59°F). The maximum temperature reaches a pleasant 28°C (83°F), making it one of the more comfortable months of the year. This month marks the shift from the stifling heat of summer to the cooler embraces of autumn, with the weather becoming increasingly crisp as October approaches. The gradual decrease in daily temperatures presents an ideal opportunity for outdoor activities, as visitors can enjoy the stunning fall foliage without the chill of winter that follows soon after.
In September, Hengshan experiences a notable drop in precipitation compared to the previous month, with 75 mm (3.0 in) of rain spread over 12 days. While this marks a decrease from August's 186 mm (7.3 in), September still contributes significantly to the region's overall moisture levels, maintaining a balance amidst the transitional shift toward drier autumn months. As the rainy season approaches its conclusion, the frequency and intensity of rainfall taper off, reflecting a clear trend of fluctuating weather patterns in this picturesque locale.
In September, Hengshan, China experiences a notable humble humidity level of 86%, maintaining a trend established in the summer months. Following the peak of 88% in August, humidity begins to decline slightly as autumn approaches, yet it remains significantly higher than the values seen earlier in the year. This gradual decrease from the summer highs reflects a transition toward drier conditions, with humidity levels in the fall months, such as October at 84%, resembling a more comfortable atmosphere. Overall, the September humidity serves as a bridge between the sultry summer and the cooler, crisper days of autumn, highlighting Hengshan's unique climatic patterns throughout the year.
As summer transitions into autumn in Hengshan, China, the UV Index begins to decline, reflecting a shift in sun intensity and exposure risks. In September, the UV Index drops to 7, categorized as high, allowing for a more manageable burn time of 25 minutes for those who venture outdoors. This change comes after several months of intense sun exposure with indices peaking at 9 during the summer, which required cautious sun protection measures. As the days get shorter and cooler, September offers a welcome relief while still reminding residents of the need for adequate sun safety. For more detailed information on UV levels, check the Hengshan UV Index.
UV Risk Categories
September in Hengshan, China ushers in a gentle shift as summer's brilliance begins to fade. With 276 hours of sunlight, this month sees a delightful blend of warmth and early autumn hues. Following a peak in July with 338 hours, the daylight gradually decreases, yet September remains vibrant compared to the preceding months. The transition from the abundance of summer shines a spotlight on the crispness of early fall, making it a perfect time for outdoor adventures amidst the stunning landscapes. As daylight wanes, Hengshan invites visitors to bask in the last golden rays before the cooler October sets in with 259 hours.
September in Hengshan, China, experiences a 39% chance of sunny weather, which reflects a trend of fluctuating sunshine throughout the year. As the summer months wane, the likelihood of clear skies drops noticeably, with the sun shining more often in the winter months, particularly in January and October, both of which enjoy a 58% chance of sunshine. This suggests that while September may not boast the brightest weather, it serves as a bridge from the sunny days of summer to the clearer skies of autumn and winter. As such, early autumn still holds the potential for enjoyable, sunny days amidst the shifting seasons.
As autumn approaches in Hengshan, China, September marks a gradual transition in daylight duration, with an average of 12 hours of sunlight. After basking in 15 hours of daylight during the peak of summer in June and July, the days start to shorten, giving way to the cozy, golden hues of early fall. Compared to August's 14 hours, September feels like a gentle shift, reminding us of the changing seasons. This decline continues into October, when daylight dwindles further to 10 hours. The pattern reveals a clear trend: as the year progresses from the long, sun-filled days of summer to the shorter, more subdued light of winter, Hengshan experiences a dynamic rhythm of daylight, inviting both reflection and a sense of the year's cyclical nature.
In September, Hengshan, China, experiences a noticeable shift in wind dynamics, with an average wind speed of 2.1 m/s (5 mph). This marks a reduction from the breezier summer months, where July and August recorded their lowest gusts at 1.7 m/s (4 mph) and 2.4 m/s (5 mph), respectively. As autumn approaches, the winds begin to pick up again, showing a gradual increase in speed through the later months. The cooler air brings a refreshing change, hinting at the upcoming shifts in the region's climate, with October poised to see a slight resurgence in wind activity, bringing a brisker 2.9 m/s (7 mph) pace. This transition reflects the area’s unique seasonal patterns, where gentle breezes give way to a more vibrant gust by the time leaves start to change.
Weather in Hengshan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hengshan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a mild 1°C (33°F) at night to a warm 28°C (83°F) during the day, with an average of 15°C (59°F). The month experiences significant precipitation, totaling 75 mm (3.0 in) over 12 days, and a high humidity level of 86%. In contrast, January brings frigid conditions, with temperatures plummeting to a minimum of -29°C (-21°F) and an average of -15°C (5°F), peaking at just 1°C (34°F). This month is much drier, receiving only 5 mm (0.2 in) of precipitation over a mere 1 day, while maintaining a slightly higher humidity of 87%. For more details on January conditions, visit Hengshan weather in January.
September and February present striking contrasts in weather. In September, temperatures range from a chilly 1°C (33°F) at night to a warm 28°C (83°F) during the day, with an average of 15°C (59°F). The month sees about 75 mm (3.0 in) of rainfall over 12 days, accompanied by high humidity at 86%. In stark contrast, February is marked by frigid conditions, with temperatures plummeting to a minimum of -27°C (-17°F) and averaging -12°C (11°F), reaching a maximum of only 6°C (43°F). Precipitation is significantly lower at 8 mm (0.3 in) over just 2 days, alongside humidity remaining relatively high at 85%. For more detailed insights into February's weather, you can visit Hengshan weather in February.
September and March present strikingly different weather patterns. In September, temperatures range from a chilly 1°C (33°F) to a warm 28°C (83°F), with an average of 15°C (59°F) and higher humidity at 86%. This month typically sees about 75 mm (3.0 in) of rainfall over approximately 12 days, creating a lush, fresh ambiance. In contrast, March is marked by much colder conditions, with temperatures fluctuating from a frigid -23°C (-10°F) to a mild 19°C (66°F), averaging around -2°C (30°F). Precipitation is significantly lower in March, at only 25 mm (1.0 in) over about 7 days, and humidity decreases to 75%. For a more detailed look at March weather specifically, visit Hengshan weather in March.
September and April present quite different weather experiences. In September, temperatures range from a cool 1°C (33°F) to a warm 28°C (83°F), with an average of 15°C (59°F) and higher humidity levels at 86%. This month also sees more precipitation, with about 75 mm (3.0 in) falling over approximately 12 days. In contrast, April experiences lower temperatures, ranging from a minimum of -8°C (19°F) to a maximum of 29°C (84°F), averaging just 7°C (45°F). Precipitation in April is less frequent, recorded at 33 mm (1.3 in) over 7 days, with humidity at a more comfortable 69%. For those interested, you can find more details about this month at Hengshan weather in April.
When comparing the weather between September and May, notable differences in temperature and humidity emerge. September experiences a wider temperature range, with minimums of 1°C and maximums reaching up to 28°C, while May has a slight edge with its maximum temperature peaking at 33°C. Both months see similar precipitation levels, around 75-82 mm, but the humidity in September is higher at 86%, compared to May's 73%. As a result, September tends to feel more humid and comfortable, especially with the onset of autumn. For more insights on May weather patterns, you can check Hengshan weather in May.
In comparing the weather between September and June, several key differences emerge. September features a broader temperature range, with minimums dipping to 1°C (33°F) and maximums reaching 28°C (83°F), resulting in an average of 15°C (59°F). In contrast, June offers warmer temperatures with minimums around 7°C (44°F) and maximums peaking at 33°C (92°F), leading to a higher average of 18°C (64°F). Additionally, June experiences more rainfall, with 109 mm (4.3 in) over 17 days, compared to September’s 75 mm (3.0 in) over 12 days. The humidity in September is slightly higher at 86% compared to June's 84%. For more details on June's weather specifics, you can refer to Hengshan weather in June.
In comparing the weather of September and July, notable differences emerge. September experiences a broader temperature range, with minimums reaching as low as 1°C (33°F), while July maintains milder temperatures with a minimum of 12°C (54°F). On average, September is cooler at 15°C (59°F) compared to July's warmer 23°C (73°F). Additionally, July sees higher maximum temperatures, peaking at 34°C (93°F) versus September’s maximum of 28°C (83°F). Precipitation levels are also higher in July, with 101 mm (4.0 in) over 13 days, compared to September's 75 mm (3.0 in) across 12 days. Both months have similar humidity levels, but July is just slightly lower at 87% versus September's 86%. For more insights into July's weather specifics, you can visit Hengshan weather in July.
September weather shows a notable shift compared to August, with lower temperatures and reduced precipitation. The minimum temperature drops significantly from 7°C (44°F) in August to just 1°C (33°F) in September, while the average temperature decreases to 15°C (59°F) from August’s 20°C (69°F). Additionally, September experiences less rainfall, with 75 mm (3.0 in) over 12 days compared to August's 186 mm (7.3 in) over 16 days. Humidity remains relatively high in both months, slightly decreasing from 88% in August to 86% in September. For more details about August's weather, you can visit Hengshan weather in August.
September and October present notable differences in weather patterns. September maintains relatively mild temperatures, with an average of 15°C (59°F) and highs reaching 28°C (83°F). The month experiences substantial rainfall of 75 mm (3.0 in) over 12 days, accompanied by high humidity levels of 86%. In contrast, October sees a significant drop in average temperature, plummeting to 6°C (44°F) with nighttime lows plunging to -7°C (19°F), while still maintaining peak temperatures at 28°C (83°F). Precipitation is markedly lower in October, totaling just 26 mm (1.0 in) over 5 days, and humidity remains relatively stable at 84%. For more details on October weather specifically, you can visit Hengshan weather in October.
September and November present starkly different weather conditions. In September, temperatures range from a minimum of 1°C (33°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). The month experiences 75 mm (3.0 in) of precipitation over 12 days, accompanied by high humidity levels at 86%. In contrast, November sees a significant drop in temperatures, with a minimum of -19°C (-2°F) and an average of -4°C (26°F), peaking at 16°C (61°F). Precipitation decreases to 37 mm (1.4 in) over just 4 days, and humidity levels drop to 66%. For more details on November weather, you may refer to Hengshan weather in November.
In September, the weather is significantly warmer, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 28°C (83°F) and an average of 15°C (59°F). This month experiences more precipitation, totaling 75 mm (3.0 in) over 12 days, accompanied by high humidity levels at 86%. In contrast, December brings much colder conditions, with temperatures varying from a chilly -31°C (-24°F) to a maximum of 8°C (46°F), and an average of -13°C (8°F). The precipitation in December is minimal at just 8 mm (0.3 in) over only 2 days, and the humidity drops to 70%. For a detailed overview, you can check Hengshan weather in December.
As September rolls into Hengshan, the weather begins to transition, offering a delightful mix of mild temperatures and increased humidity. Unlike the warmth of summer, September sees a more comfortable average temperature, perfect for outdoor activities amidst nature's vibrant autumn colors. However, it also brings frequent rainfalls, with about twelve days of showers contributing to a notable increase in humidity levels. This makes it distinct from the hotter summer months, providing a refreshing yet slightly damp atmosphere. For those interested in understanding seasonal changes, detailed insights can be found in the comprehensive guide at Hengshan Climate.