September Weather in Hengshan, China

Last updated: August 21, 2025

In Hengshan, China, September brings a blend of warm temperatures and occasional rain, creating a dynamic climate for residents and visitors alike. The maximum temperature can reach a sweltering 38°C (101°F), while the average temperature hovers around a comfortable 27°C (80°F), dipping to a mild 16°C (61°F) at night. With precipitation totaling 78 mm (3.1 in) over approximately 10 days, humidity levels remain elevated at 72%, contributing to a sultry atmosphere. This month encapsulates the heart of late summer, marked by a harmonious mix of warmth and moisture.

September Temperature in Hengshan

As September unfolds in Hengshan, China, temperatures start to mellow after the sweltering summer months. With minimums hovering around 16°C (61°F) and averages climbing to a cozy 27°C (80°F), it marks a gradual transition into autumn. The maximum temperatures still touch a sizzling 38°C (101°F), reminiscent of the summer's peak, yet the cooler nights invite a refreshing reprieve. The month sees a delicate balance between lingering warmth and the promise of cooler days ahead, making it an ideal time to enjoy the vibrant landscapes of Hengshan as they begin to hint at the autumnal beauty to come.

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

The chart illustrates September temperature patterns in Hengshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hengshan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454756657378858680695948
Data source: Temperature data for Hengshan 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 Hengshan

In September, Hengshan experiences a notable decrease in precipitation, accumulating only 78 mm (3.1 in) of rain over about 10 days. This marks a shift from the summer months, where rainfall peaked, particularly in June with 277 mm. As the mid-year warmth recedes, September's precipitation is lighter, reminiscent of January's 80 mm levels, indicating a transition towards the drier autumn months. This trend is further emphasized by the sharp decline in rainfall as October approaches, hinting at the onset of a drier season for the region.

September Precipitation Trends in Hengshan

The chart displays monthly precipitation patterns in Hengshan, 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 Hengshan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec808314511317527721014578496777
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hengshan

In Hengshan, China, the month of September marks a noticeable decline in humidity, dipping to 72% after the sweltering heights of summer. This decrease follows a trend of rising humidity from a relatively dry 65% in January to a peak of 91% in July, showcasing the region's embrace of heat and moisture. While September brings a respite, it still retains a level of humidity that is higher than the winter months, which range from 65% to 74%. As the year progresses, humidity levels tend to fluctuate, but September stands out as a transitional period, hinting at the gradual shift towards the cooler, drier autumn months ahead.

September Average Humidity in Hengshan

This chart illustrates the average monthly humidity levels in Hengshan, 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 Hengshan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%71%81%86%87%87%91%87%72%74%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hengshan

In September, Hengshan, China experiences an UV Index of 11, placing it in the extreme exposure category with a burn time of just 10 minutes. This reflects a continuation of the high UV levels seen throughout the summer months, where indices peaked at 12 in July and August. Notably, the UV Index begins to taper off slightly in October, dropping to 8, yet September still calls for caution and proactive sun protection. As we transition into fall, it's essential to remain vigilant against UV exposure. For more detailed information on seasonal trends, visit Hengshan UV Index.

Maximum UV Index Levels in Hengshan for September

The chart shows the monthly maximum UV Index (UVI) for Hengshan 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 Hengshan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710101112121211865
Data source: Hengshan 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 Hengshan

In Hengshan, China, the month of September brings a delightful shift in sunshine, contributing 257 hours of bright, golden daylight. As summer wanes, the hours of sunshine decrease from the peak 313 hours seen in August, yet September retains a vibrant glow, outshining the earlier months of the year. Notably, the trend shows a remarkable increase from January's modest 148 hours to the summer's zenith, reflecting the region's appeal as a sun-soaked destination. This gradual decline leads into the milder autumn months, with October also featuring abundant sunshine at 227 hours. Overall, September serves as a charming transition, balancing warmth and daylight while hinting at the cooler days to come.

Monthly Sunshine Duration in Hengshan: September Highlighted

The September sunshine duration represents the total number of hours Hengshan 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.
JanFebMarAprMayJunJulAugSepOctNovDec148h193h205h246h274h229h290h313h257h227h206h213h
Data source: Hengshan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hengshan During September

In Hengshan, China, September presents a notable shift in weather trends, offering a 48% chance of sunny days—a welcome improvement compared to the preceding summer months where sunshine was scarce, with probabilities dropping as low as 16% in June and July. This uptick in sunny weather marks a transition away from the sultry summer, edging closer to the clearer skies typical of autumn. As the month unfolds, residents and visitors alike can look forward to more frequent sunny spells, enhancing outdoor experiences before the cooler months set in, with October and November showing moderate chances of around 36% and 44%, respectively. Thus, September stands out as a favorable time for those craving a bit more sunshine in Hengshan.

Percentage of Sunny Days in September in Hengshan

The chart illustrates the percentage of sunny days in Hengshan 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 Hengshan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%36%25%26%23%16%16%27%48%36%44%60%
Data source: Hengshan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hengshan in September

In Hengshan, China, the shift in daylight duration throughout the year reveals a gentle ebb and flow, reflecting the changing seasons. As winter gives way to spring, daylight gradually increases, peaking at 13 hours during the vibrant summer months of June to August. However, come September, this sunny stretch begins to taper off, with daylight decreasing to 12 hours. This subtle transition marks a return towards autumn, while daylight hours progressively dwindle as the year draws to a close, dropping back to 10 hours by December. The rhythm of daylight in Hengshan beautifully captures the essence of seasonal change, inviting residents to embrace the warmth of summer and the cozy embrace of fall.

Average Daylight Hours in Hengshan for September

The chart illustrates the variation in daylight duration in Hengshan 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 57m13h 46m13h 8m12h 18m11h 26m10h 41m10h 18m
Data source: Hengshan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Hengshan

As September arrives in Hengshan, China, the gentle caress of the wind creates a soothing ambiance, with an average speed of 1.7 m/s (4 mph). This month typically witnesses a slight uptick from the summer's lull, as the wind transitions gradually from the 1.6 m/s (4 mph) experienced in August. Notably, after a modest dip in wind speeds during the early summer months, including June's low of 1.5 m/s (3 mph), September marks a pivotal moment where the breezes begin to tease the promise of the more vigorous gusts of October. The shift from the summer's calm to the invigorating autumn winds serves as a gentle reminder of nature's rhythm, ushering in the change of seasons while maintaining a consistent, tranquil atmosphere that characterizes Hengshan.

Average September Wind Speed in Hengshan

The chart displays monthly wind speed patterns in Hengshan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.02.01.91.91.81.52.21.61.7 m/s2.21.81.8
Data source: Hengshan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Hengshan Compares to Other Months

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. September boasts warmer temperatures, with a minimum of 16°C (61°F) and averaging around 27°C (80°F), reaching up to a scorching 38°C (101°F). The month also sees significant humidity at 72% and around 78 mm (3.1 in) of precipitation spread over 10 days. In contrast, January experiences much colder conditions, with temperatures dipping as low as -5°C (23°F) and averaging just 7°C (45°F), peaking at 23°C (74°F). This winter month has a similar level of precipitation, around 80 mm (3.1 in) over 9 days, but with lower humidity at 65%. For more detailed information on January weather, you can visit Hengshan weather in January.

September and February present contrasting weather experiences. In September, temperatures are significantly warmer, with a minimum of 16°C (61°F), an average of 27°C (80°F), and a maximum that can reach up to 38°C (101°F). The humidity is relatively high at 72%, along with 78 mm (3.1 in) of precipitation spread across about 10 days. Conversely, February boasts a much cooler climate, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 26°C (79°F), resulting in a chilling average of just 8°C (47°F). February sees slightly more precipitation at 83 mm (3.3 in) over 11 days, while humidity remains similar at 71%. For a detailed look at the weather during this month, check Hengshan weather in February.

In comparing September and March weather, we see a striking contrast in temperature and precipitation patterns. September boasts milder nights with a minimum temperature of 16°C (61°F) and an average high of 27°C (80°F), while March experiences cooler nights with temperatures dropping to 1°C (35°F) and a modest average of 14°C (57°F). Additionally, September's precipitation totals 78 mm (3.1 in) over about 10 days, whereas March is significantly wetter, with 145 mm (5.7 in) over 15 days. The humidity levels are also notable; September's 72% contrasts with March's slightly higher humidity of 81%. This makes March a rainier, cooler month overall. For more detailed information, you can check Hengshan weather in March.

In comparing the weather between September and April, it is evident that September tends to be significantly warmer, with average temperatures around 27°C (80°F) and maximums reaching up to 38°C (101°F). In contrast, April has much cooler conditions, with an average temperature of 18°C (65°F) and highs of 33°C (92°F). Both months experience notable rainfall, but April sees more precipitation at 113 mm (4.5 in) over 13 days, compared to September's 78 mm (3.1 in) over 10 days. Additionally, April's humidity is slightly higher at 86%, while September's humidity is around 72%. For more detailed insights into April weather, you can visit Hengshan weather in April.

In comparing the weather of September and May, September tends to be warmer on average, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 38°C (101°F), while May has a cooler range with minimums of 12°C (53°F) and an average of 23°C (73°F). Additionally, September experiences less precipitation, with 78 mm (3.1 in) over about 10 days, compared to May's 174 mm (6.9 in) across 13 days, indicating that May is generally wetter. Moreover, the humidity in May is higher at 87%, compared to 72% in September, contributing to a more muggy feel during the former month. For further details on the specific weather conditions, you can check Hengshan weather in May.

When comparing the weather in September and June, several key differences emerge. September experiences slightly higher average temperatures, ranging from a minimum of 16°C (61°F) to a maximum of 38°C (101°F), while June boasts a milder average temperature, with a minimum of 17°C (64°F) and a maximum of 36°C (98°F). However, June is significantly wetter, receiving 277 mm (10.9 in) of precipitation across 19 days compared to September's 78 mm (3.1 in) over just 10 days. Additionally, humidity levels are higher in June at 87%, compared to September's 72%, creating a more humid and potentially uncomfortable atmosphere during early summer. For more detailed insights on June weather specifically, check out Hengshan weather in June.

In comparing the weather of September and July, September presents slightly milder temperatures with a minimum of 16°C (61°F) and an average of 27°C (80°F), compared to July's warmer minimum of 20°C (69°F) and an average of 29°C (85°F). However, July often reaches higher maxima, peaking at 40°C (105°F) versus September's maximum of 38°C (101°F). Precipitation is notably heavier in July, with 210 mm (8.3 in) over 14 days, while September experiences significantly less rainfall at 78 mm (3.1 in) over 10 days. The humidity level is also higher in July at 91%, compared to September's 72%, making July feel more oppressive. For more detailed insights, you can check Hengshan weather in July.

In September, the weather is typically more moderate compared to August. While September sees average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 38°C (101°F), August generally experiences warmer conditions, with minimums around 21°C (70°F) and maximums reaching 41°C (105°F). Additionally, September has a lower average precipitation of 78 mm (3.1 in) over about 10 days, compared to August's 145 mm (5.7 in) over 12 days. Humidity levels also decrease in September to around 72%, while August tends to be more humid at 87%. For more insights on the weather in August, you can check Hengshan weather in August.

In September, temperatures are considerably warmer, with a minimum of 16°C (61°F) and an average high of 27°C (80°F), reaching up to 38°C (101°F) on the hottest days. The month also experiences higher precipitation levels at 78 mm (3.1 in) across about 10 days, coupled with a humidity level of 72%. In contrast, October brings a noticeable drop in temperatures, with a minimum of 9°C (48°F) and an average of 21°C (69°F), peaking at 37°C (98°F). Precipitation decreases to 49 mm (1.9 in) over 7 days, and humidity remains relatively stable at 74%. For a more detailed look at October weather, you can check Hengshan weather in October.

September and November present stark contrasts in weather. September boasts warmer temperatures, with a minimum of 16°C (61°F) and an average high of 27°C (80°F), while November cools significantly, dipping to a minimum of 2°C (36°F) and averaging just 15°C (59°F). Although both months experience precipitation on about 10 days, September receives slightly more rain at 78 mm (3.1 in) compared to November’s 67 mm (2.7 in). Additionally, humidity levels are higher in November at 80%, compared to September’s 72%, giving November a chilly yet damp feel. For more details, you can check out Hengshan weather in November.

In September, the weather is notably warmer, with temperatures ranging from a minimum of 16°C (61°F) to a scorching maximum of 38°C (101°F) and an average of 27°C (80°F). The month experiences significant humidity at 72% and has around 78 mm (3.1 in) of precipitation over 10 days. In contrast, December brings a stark change, with temperatures dipping significantly—reaching a low of -2°C (28°F) and averaging just 9°C (48°F), peaking at 24°C (76°F). December's precipitation is slightly less, totaling 77 mm (3.0 in) over 9 days, and the humidity rises to 78%. For more detailed insights, you can explore Hengshan weather in December.

Compare Hengshan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Hengshan

As September arrives in Hengshan, it ushers in a transition marked by a balmy climate and moderate rainfall. Unlike the scorching heat of summer, the average temperature begins to cool down, hovering comfortably at around 27°C (80°F). This month also experiences increased humidity levels, making the air feel warmer and often more tropical. With about 10 days of rain throughout the month, the landscape comes alive, creating a vibrant atmosphere perfect for exploring the natural beauty of Hengshan. The gentle shift in weather signifies a welcome respite from the peak summer heat, making September a delightful time to visit. To understand more about what to expect in Hengshan throughout the year, check out Hengshan Climate.