September Weather in Hengshan, China

Last updated: August 21, 2025

In September, Hengshan, China experiences a diverse climate characterized by a maximum temperature of 36°C (96°F) and an average of 23°C (74°F), providing warm conditions ideal for outdoor activities. However, the month also brings significant precipitation, with a total of 174 mm (6.9 in) falling over 18 days, making it essential for visitors to prepare for intermittent rain. Additionally, humidity levels remain high at 84%, contributing to a muggy atmosphere that can influence comfort levels. Overall, September in Hengshan combines heat and humidity with regular showers, offering a unique experience for those exploring this vibrant locale.

September Temperature in Hengshan

September in Hengshan, China, marks a delightful transition as the summer heat begins to wane, bringing more moderate temperatures. With a minimum of 15°C (59°F) and an average of 23°C (74°F), this month provides a welcome respite from the sweltering highs experienced in July and August, where temperatures peaked at 40°C (105°F). As the maximum temperature settles around 36°C (96°F), visitors can enjoy pleasant daytime activities without the oppressive heat of summer. The steady drop in temperature hints at the approaching autumn, preparing the landscape for a vibrant transformation. This month balances warmth and comfort, making it an ideal time to experience the natural beauty of Hengshan.

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).
JanFebMarAprMayJunJulAugSepOctNovDec454857647075818273635547
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 transition in its precipitation patterns, with an average rainfall of 174 mm (6.9 in). This significant amount is somewhat consistent with August but marks a shift as May and June lead the month with even higher totals. However, while September's rainfall rivals that of the late spring and early summer months, it also sees an increase in precipitation days, totaling 18—a slight uptick compared to the previous month. This suggests a persistent wetness as the region shifts toward autumn, which may hint at a broader trend of increased rainfall during late summer. The combination of both substantial rainfall and frequent rainy days positions September as a crucial month for Hengshan's climate narrative, highlighting the area's vibrant and sometimes unpredictable weather patterns.

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.
JanFebMarAprMayJunJulAugSepOctNovDec4647971121741811491461741306847
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hengshan

As summer gives way to autumn, September in Hengshan, China sees a notable shift in humidity levels. With an average humidity of 84%, September stands at a slight decrease from the peak of 87% experienced in August, yet remains comfortably high, reflecting the lingering warmth of the season. This drop signals a transition as the region prepares for drier months ahead, evidenced by the gradual decline in humidity from the summer months. Interestingly, while September is less humid than its predecessor, it still retains significantly higher moisture levels compared to the earlier part of the year, particularly when contrasted with January's 72%. The data reveals a clear trend: as the year progresses, Hengshan's humidity remains elevated, fostering a rich, lush environment even as the autumnal breezes begin to circulate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
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 a notable shift in its UV Index, registering at 9—a very high level that calls for caution during outdoor activities. Following the extreme levels of summer, which peaked at 12 in June through August, the index drops slightly as the days shorten. This transition signals a critical time for sun exposure, as the recommended burn time remains at 15 minutes. As autumn approaches, it's essential to stay vigilant about UV protection, particularly for those enjoying the lingering warmth. For a detailed outlook on UV levels throughout the year, visit the 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.
JanFebMarAprMayJunJulAugSepOctNovDec57911111212129975
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

As the warm embrace of summer lingers into September in Hengshan, the region enjoys 219 hours of sunshine, a glowing reminder of the vibrant months that came before it. July and August peak with their luxurious 304 and 312 hours, respectively, creating a sun-soaked backdrop for outdoor adventures. However, as September rolls in, a gentle decline begins, signaling a shift towards the cooler months ahead. The drop in sunlight hours marks a transition, but this month still radiates ample warmth, allowing residents and visitors alike to indulge in the last remnants of summertime bliss before transitioning into the cozy embrace of October's shorter days. With this seasonal shift, Hengshan beautifully encapsulates the rhythm of nature, balancing the robust sunshine of summer against the tranquil energy of fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec96h149h179h205h242h252h304h312h219h138h145h119h
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 marks a delightful shift in weather patterns, showcasing a 38% chance of sunny days. This notable increase in sunshine is a refreshing contrast to the more subdued months of April and June, which struggle with just 12% sunlight. Additionally, September's clear skies stand out from the summer months, where July and August offer only 30% and 26% sunny weather, respectively. This trend suggests that as summer fades away, locals and visitors can look forward to a bright and cheerful month, perfect for outdoor activities amidst the scenic beauty of 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.
JanFebMarAprMayJunJulAugSepOctNovDec29%28%25%13%17%12%30%26%38%20%23%21%
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 30m11h 9m11h 59m12h 51m13h 35m13h 56m13h 45m13h 7m12h 18m11h 26m10h 41m10h 19m
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, a noticeable transition occurs in the atmosphere, marked by a slight uptick in average wind speed to 1.9 m/s (4 mph). This is the highest wind speed recorded for the year, signaling a shift from the calmer breezes of summer, which lingered around 1.5 m/s (3 mph) from June through August. The increasing winds in September hint at the approaching change in seasons, as autumn casts its gentle spell over the region. This trend of gradually rising wind speeds from the spring’s 1.6 m/s (4 mph) peak and subsequent dip during the summer suggests a dynamic interplay between warm and cool air masses as the year progresses, paving the way for the crisp, invigorating breezes typical of fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.61.41.31.51.51.51.9 m/s1.51.21.3
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 starkly contrasting weather patterns. In September, temperatures soar with a minimum of 15°C (59°F) and highs reaching 36°C (96°F), accompanied by high humidity at 84%. The month also sees significant rainfall, averaging 174 mm (6.9 in) over 18 days. In contrast, January brings a much colder climate, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 17°C (62°F) and a noticeable drop in humidity to 72%. Precipitation is much lighter during this month, averaging only 46 mm (1.8 in) over 12 days. For more details on the January weather, visit Hengshan weather in January.

September and February present strikingly different weather patterns. In September, temperatures range from a mild 15°C (59°F) at night to a scorching 36°C (96°F) during the day, with an average of around 23°C (74°F). The month is quite humid, with an average humidity level of 84% and significant precipitation totaling 174 mm (6.9 in) over 18 days. In contrast, February experiences a much cooler climate, with temperatures dipping as low as -1°C (31°F) and peaking at 25°C (77°F), resulting in an average of 9°C (48°F). The month sees far less rainfall, with just 47 mm (1.8 in) over 13 days and lower humidity at 76%. For more detailed insights about February's weather, you can check Hengshan weather in February.

In September, the weather is noticeably warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), and an average of 23°C (74°F). The month experiences significant rainfall, totaling 174 mm (6.9 in) over about 18 days, alongside high humidity levels averaging 84%. In contrast, March presents a much cooler climate, with temperatures dipping to 5°C (41°F) at night and reaching up to 30°C (87°F) during the day, leading to an average of 14°C (58°F). Precipitation in March is lower, at 97 mm (3.8 in), occurring over 17 days, and humidity levels are also slightly reduced at 80%. For more detailed information about March weather, you can visit Hengshan weather in March.

September and April present distinct climatic experiences. September boasts warmer temperatures, with minimums around 15°C (59°F) and maximums soaring up to 36°C (96°F), while April is milder, ranging from a cool 6°C (44°F) to a maximum of 33°C (92°F). Precipitation levels are higher in September, with 174 mm (6.9 in) falling over 18 days compared to April's 112 mm (4.4 in) over 16 days. Additionally, September experiences higher humidity at 84%, whereas April's humidity sits at a more comfortable 77%. For more insights into the weather during this month, you can check Hengshan weather in April.

In September, the weather features a slightly warmer average temperature of 23°C (74°F) compared to May's 21°C (70°F), with maximum temperatures reaching up to 36°C (96°F). Both months experience similar levels of precipitation, totaling around 174 mm (6.9 in) for September and 6.8 in for May, albeit with September having one less rainy day. Humidity in September is marginally higher at 84%, while May sits comfortably at 82%. For more detailed information on May's weather, you can visit Hengshan weather in May.

In comparing the weather of September and June, we notice some similarities and differences. Both months experience a minimum temperature of around 15°C (59°F), but June tends to have a slightly higher average temperature of 24°C (75°F) compared to September's 23°C (74°F). The maximum temperatures are also quite similar, with June peaking at 35°C (95°F) and September reaching up to 36°C (96°F).

Precipitation levels are nearly identical, with September receiving 174 mm (6.9 in) and June slightly more at 181 mm (7.1 in), both spread over 18 days. Humidity levels are comparable as well, with September at 84% and June slightly higher at 85%. Overall, both months are characterized by warm temperatures and considerable rainfall, making them relatively humid. For a detailed look at June's specific weather patterns, you can refer to Hengshan weather in June.

In comparing the weather of September and July, September tends to be slightly cooler, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), averaging around 23°C (74°F). In contrast, July experiences higher temperatures, with a minimum of 19°C (67°F) and a peak of 40°C (105°F), averaging 27°C (82°F). Both months have considerable precipitation, with September receiving 174 mm (6.9 in) over 18 days, while July sees 149 mm (5.9 in) across 17 days. Humidity levels are quite similar, with September at 84% and July at 85%. For more detailed information, check Hengshan weather in July.

In comparing the weather between August and September, it’s evident that September brings slightly cooler temperatures, with a minimum of 15°C (59°F) and an average of 23°C (74°F), compared to August’s minimum of 18°C (65°F) and an average of 28°C (83°F). August also experiences higher maximum temperatures, reaching up to 40°C (103°F), while September peaks at 36°C (96°F). In terms of precipitation, September sees more rainfall, totaling 174 mm (6.9 in) over 18 days, whereas August receives 146 mm (5.7 in) across 14 days. Humidity levels are relatively high in both months, with September at 84% and August slightly higher at 87%. For a more detailed understanding, you can check Hengshan weather in August.

September weather tends to be warmer and more humid compared to October, with average temperatures ranging between 15°C (59°F) and 36°C (96°F) and a high humidity level of 84%. Additionally, September experiences more precipitation, totaling 174 mm (6.9 in) over 18 days. In contrast, October sees a drop in temperatures, with a minimum of 8°C (46°F) and an average of 17°C (63°F), while still reaching highs of 35°C (94°F). Although October has slightly less precipitation at 130 mm (5.1 in) over 19 days, humidity remains relatively high at 81%. For a more detailed look at October's weather, visit Hengshan weather in October.

September and November present contrasting weather patterns. In September, temperatures range significantly, with a minimum of 15°C (59°F) and a maximum soaring to 36°C (96°F), resulting in an average of 23°C (74°F). The month is characterized by high humidity at 84% and considerable rainfall, accumulating 174 mm (6.9 in) over 18 days. In contrast, November sees much cooler weather, with temperatures dropping to a minimum of 4°C (39°F) and an average of 13°C (55°F), peaking at 27°C (81°F). Additionally, November experiences less rainfall, totaling 68 mm (2.7 in) over just 12 days, while humidity sees a slight increase to 86%. For more details on November weather, you can check Hengshan weather in November.

In September, the weather is characterized by significantly warmer temperatures, with averages around 23°C (74°F) and maximums reaching up to 36°C (96°F), accompanied by high humidity levels of 84%. The month also experiences considerable rainfall, with a total of 174 mm (6.9 in) spread over 18 days. In contrast, December brings a stark change in climate, with much cooler temperatures averaging 8°C (47°F) and a maximum of only 18°C (64°F). Precipitation decreases significantly to 47 mm (1.8 in) over 13 days, and humidity slightly lowers to 81%. For more details about December weather, you can visit 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, the weather transitions notably, offering a unique blend of warmth and humidity that sets it apart from other months. The peak temperatures provide a taste of summer's end, while averages keep it pleasantly mild. However, the increased precipitation, with rain gracing nearly two-thirds of the days, introduces a refreshing change to the atmosphere, accentuated by high humidity levels. This lively combination gives September a character all its own, making it a distinct time for experiencing Hengshan's landscape. For a deeper dive into the region's climate, visit Hengshan Climate.