September Weather in Liangshan, China

Last updated: August 21, 2025

In September, Liangshan, China, experiences a delightful transition in weather, marked by an average temperature of 23°C (74°F), with daytime highs reaching up to 34°C (94°F) and cooler evenings dipping to a minimum of 13°C (56°F). This month welcomes a moderate precipitation total of 86 mm (3.4 in), spread over approximately 6 days, contributing to the region's lush landscapes. With an average humidity level of 68%, the climate remains comfortably warm, making it an ideal time for exploring the natural beauty and cultural richness that Liangshan has to offer.

September Temperature in Liangshan

In September, Liangshan, China, experiences a delightful transition as the summer heat begins to wane. With temperatures ranging from a minimum of 13°C (56°F) to a comfortable average of 23°C (74°F), the weather is notably more inviting for outdoor activities. The maximum temperature can peak at 34°C (94°F), still reminiscent of the sweltering summer months, but the overall trend indicates a gentle cooling compared to the soaring highs of July and August. As autumn approaches, the gradual shift in temperatures hints at the approaching crispness of fall, making September a perfect time to enjoy the vibrant landscapes of Liangshan.

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

The chart illustrates September temperature patterns in Liangshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Liangshan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec334052617282838174615036
Data source: Temperature data for Liangshan 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 Liangshan

September in Liangshan, China, marks a gentle transition in precipitation patterns, characterized by an average rainfall of 86 mm (3.4 in) across 6 rainy days. This month showcases a notable drop from the previous two months, where August surged with its hefty 212 mm (8.3 in), reflecting the peak of the monsoon season. As summer fades, September's rain provides much-needed nourishment to the landscape without overwhelming it, creating a balanced environment for both flora and fauna. Compared to the earlier months, this gradual decline in precipitation signals the region's shift into autumn, where weather is cooler and more stable, laying the foundation for the drier months ahead.

September Precipitation Trends in Liangshan

The chart displays monthly precipitation patterns in Liangshan, 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 Liangshan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1018193334611352128632238
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Liangshan

In September, humidity levels in Liangshan, China experience a notable decrease to 68%, marking a transition from the peak moisture of the summer months. This drop follows the high humidity of 85% in July and 83% in August, creating a relative relief as the region begins to shift towards autumn. Despite the decline, September remains humid compared to earlier in the year, where January's modest 53% seems a distant memory. This pattern indicates a gradual cooling trend, as humidity fluctuates between the summer highs and the cooler, drier months ahead, with October expected to bring a slight increase back to 72%.

September Average Humidity in Liangshan

This chart illustrates the average monthly humidity levels in Liangshan, 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 Liangshan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%63%70%77%73%73%85%83%68%72%81%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Liangshan

In September, Liangshan, China, experiences a UV Index of 8, categorized as very high, with a burn time of just 15 minutes. This continuation of elevated UV levels reflects the summer's enduring strength, although a slight decrease from July's extreme levels signifies the gradual onset of autumn. As the year transitions, the UV Index descends towards the high category, highlighting the importance of sun protection even in early fall. With a consistent trend of increased UV exposure from March through September, residents and visitors are advised to stay vigilant against potential skin damage. For more insights on UV levels throughout the year, explore Liangshan UV Index.

Maximum UV Index Levels in Liangshan for September

The chart shows the monthly maximum UV Index (UVI) for Liangshan 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 Liangshan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356891011108743
Data source: Liangshan 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 Liangshan

September in Liangshan, China, welcomes a gentle transition from the summer brightness, offering 255 hours of sunshine. While this marks a slight dip from the 316 hours in July and 315 hours in May, it remains considerably higher than the winter months. The trend shows a peak during the summer, with hours gradually decreasing as autumn approaches, though September still enjoys a generous amount of sunlight compared to earlier months. This consistent warmth and light herald the changing seasons, creating an inviting atmosphere that balances the lingering summer vibes with the crispness of fall.

Monthly Sunshine Duration in Liangshan: September Highlighted

The September sunshine duration represents the total number of hours Liangshan 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.
JanFebMarAprMayJunJulAugSepOctNovDec195h240h277h275h315h306h316h297h255h234h234h240h
Data source: Liangshan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Liangshan During September

In Liangshan, China, the likelihood of sunny weather in September stands at 46%, reflecting a slight uptick from the summer months. This period serves as a transition from the warmer, sunnier days of August, which boasts a 44% chance of sun, to the more autumnal conditions of October, which maintains a similar likelihood of 44%. Interestingly, while September does not reach the higher probabilities seen in the winter months, such as January with 66% or December at 73%, it still offers a modest chance of sunshine that can pleasantly surprise visitors. Overall, as summer wanes, September delivers a balanced mix of sun and cloud, making it a favorable time to enjoy the natural beauty of Liangshan.

Percentage of Sunny Days in September in Liangshan

The chart illustrates the percentage of sunny days in Liangshan 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 Liangshan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec66%60%38%43%50%47%34%44%46%44%66%73%
Data source: Liangshan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Liangshan in September

As the seasons shift in Liangshan, China, September marks a transition point in daylight duration. With an average of 12 hours of daylight, it signals the gradual retreat from the summer's peak brightness, where May through July enjoy 14 hours each day. This decline is subtle yet noticeable, setting the stage for the shorter days of autumn and winter ahead. Following September, daylight hours dip to 11 hours in October and further down to 10 hours by November, painting a clear picture of the lengthening nights. As nature prepares for the colder months, the elegant balance of light and dark continues to influence daily life and activities in this picturesque region.

Average Daylight Hours in Liangshan for September

The chart illustrates the variation in daylight duration in Liangshan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 1m10h 52m11h 58m13h 5m14h 3m14h 31m14h 17m13h 27m12h 22m11h 14m10h 16m9h 45m
Data source: Liangshan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Liangshan

As autumn approaches in Liangshan, China, September ushers in a gentle breeze with an average wind speed of 3.0 m/s (7 mph). This month marks a slight uptick from the summer lull, where the winds dipped to 2.2 m/s (5 mph) in August. The steady increase in wind speed from May’s peak of 3.6 m/s (8 mph) suggests a transition, carrying the vibrant whispers of the changing season. Overall, September not only stands out for its refreshing winds but also signals the gradual shift into the cooler months ahead, gracefully bridging the warmth of summer and the chill of winter.

Average September Wind Speed in Liangshan

The chart displays monthly wind speed patterns in Liangshan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.63.22.93.13.62.83.22.23.0 m/s2.92.82.7
Data source: Liangshan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Liangshan Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 13°C (56°F) at night to a warm high of 34°C (94°F) during the day, contributing to an average temperature of 23°C (74°F). The month experiences moderate precipitation at 86 mm (3.4 in) over approximately 6 days, with humidity levels around 68%. In contrast, January plunges into winter with nighttime lows of -17°C (3°F) and a chilly average temperature of only 1°C (33°F), peaking at a maximum of 15°C (59°F). The month is much drier, with just 10 mm (0.4 in) of precipitation over 2 days and lower humidity at 53%. For more details, visit Liangshan weather in January.

In September, the weather is characterized by warmer temperatures, with a minimum of 13°C (56°F) and an average of 23°C (74°F), peaking at a maximum of 34°C (94°F). This month also sees a fair amount of rainfall, with 86 mm (3.4 in) of precipitation over roughly 6 days, accompanied by a humidity level of 68%. In contrast, February offers a much cooler climate, with temperatures dipping as low as -10°C (14°F), while averaging only 4°C (40°F) and reaching a maximum of 27°C (80°F). Precipitation is minimal in February, totaling just 18 mm (0.7 in) over 2 days, and the humidity is slightly lower at 63%. For more details, you can check Liangshan weather in February.

September and March exhibit contrasting weather patterns. September tends to be warmer, with average temperatures ranging from a minimum of 13°C (56°F) and peaking at 34°C (94°F), while March experiences much cooler conditions, with temperatures dropping to a minimum of -2°C (29°F) and an average of 11°C (52°F). Additionally, September is marked by higher precipitation levels of 86 mm (3.4 in) over about 6 days, compared to March's much lighter rainfall of 19 mm (0.7 in) spread over just 3 days. Humidity is slightly elevated in both months, sitting at 68% in September and 70% in March, creating a distinct atmosphere in these transitional seasons. For more details on March weather, you can check Liangshan weather in March.

September and April present contrasting weather patterns. September boasts a warmer climate with average temperatures reaching 23°C (74°F) and maximums soaring to 34°C (94°F), while experiencing about 86 mm (3.4 in) of precipitation over 6 days. In contrast, April offers a cooler atmosphere with an average temperature of 16°C (61°F) and a maximum of 32°C (90°F). The month sees significantly less rainfall, totaling 33 mm (1.3 in) over just 4 days, but is characterized by higher humidity levels at 77%. For a closer look at the weather specifics in April, you can check Liangshan weather in April.

In comparing the weather between September and May, September typically features a wider temperature range with a minimum of 13°C (56°F) and a max of 34°C (94°F), while May has a slightly lower minimum of 8°C (47°F) but can reach an impressive maximum of 39°C (102°F). Precipitation levels are significantly higher in September, averaging 86 mm (3.4 in) over approximately 6 days, whereas May is drier, with only 34 mm (1.4 in) of rain expected over 5 days. Additionally, humidity remains relatively high in both months, with September at 68% and May slightly higher at 73%. To learn more about May's weather conditions specifically, you can check Liangshan weather in May.

In comparing the weather of September and June, we notice significant differences in temperature and precipitation. September experiences a milder temperature range, with minimums around 13°C (56°F) and maximums reaching up to 34°C (94°F), averaging 23°C (74°F). In contrast, June is notably warmer, with minimum temperatures of 15°C (59°F), maximums soaring to 39°C (103°F), and an average of 28°C (82°F). While both months see precipitation on about six days, September receives more rainfall, totaling 86 mm (3.4 in) compared to June's 61 mm (2.4 in). Humidity levels are slightly higher in June at 73%, versus 68% in September. For more detailed information about the conditions in June, you can refer to Liangshan weather in June.

In comparing the weather between September and July, we see notable differences in temperature and humidity. September brings cooler temperatures, with averages around 23°C (74°F) and a maximum of 34°C (94°F), while July is significantly warmer, featuring an average of 28°C (84°F) and highs reaching 39°C (103°F). Additionally, July experiences higher humidity levels at 85%, compared to September's more comfortable 68%. Precipitation also varies, with July seeing 135 mm (5.3 in) over 11 days, in contrast to September's 86 mm (3.4 in) over just 6 days. For more insights into July weather, you can explore Liangshan weather in July.

In comparing the weather between September and August, September tends to be cooler and less humid. While September features a range of temperatures from a minimum of 13°C (56°F) to a maximum of 34°C (94°F), August is notably warmer, with temperatures ranging from 16°C (61°F) to a peak of 38°C (100°F). Additionally, September experiences significantly less precipitation, with 86 mm (3.4 in) falling over 6 days compared to August's 212 mm (8.3 in) over 12 days. The humidity level is also lower in September at 68%, compared to the higher 83% in August. For more detailed insights, you can check Liangshan weather in August.

September typically offers warm temperatures with a minimum of 13°C (56°F) and an average of 23°C (74°F), peaking at a maximum of 34°C (94°F). The month experiences relatively high humidity at 68% and sees about 86 mm (3.4 in) of rain over six days. In contrast, October brings a marked shift in weather patterns. The minimum temperature drops to 1°C (34°F), with a cooler average of 16°C (61°F) and a maximum of 32°C (91°F). Precipitation is reduced to 32 mm (1.3 in) over just four days, and humidity increases slightly to 72%. For more details, check out Liangshan weather in October.

September and November present a striking contrast in weather patterns. September typically enjoys warmer temperatures, with a minimum of 13°C (56°F) and an average high of 34°C (94°F), while November experiences a chillier climate, with temperatures dropping to a minimum of -2°C (29°F) and an average of just 10°C (50°F). Precipitation is more frequent in September, totaling 86 mm (3.4 in) over six days, compared to November’s relatively dry 23 mm (0.9 in) over three days. Additionally, November's humidity is slightly higher at 81%, as opposed to September's 68%, contributing to a crisp, refreshing atmosphere. For more specific details about November weather, you can check Liangshan weather in November.

In September, the weather is warm and inviting, with average temperatures reaching 23°C (74°F) and highs peaking at 34°C (94°F). However, this month also sees considerable precipitation, with 86 mm (3.4 in) of rain spread over about 6 days, resulting in a humidity level of 68%. In contrast, December presents a starkly different climate, characterized by colder conditions where the average temperature drops to 2°C (37°F) and can plunge to a minimum of -11°C (13°F). Precipitation is significantly lower in December, with only 8 mm (0.3 in) over 2 days, and humidity rises slightly to 72%. For more detailed information on December weather, check out Liangshan weather in December.

Compare Liangshan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Liangshan

As summer fades, September in Liangshan presents a delightful shift in weather, characterized by warm afternoons that still embrace the lingering warmth of the season, contrasted with cooler evenings that hint at the approaching autumn. The month sees a noticeable decrease in humidity, making the climate feel more comfortable for outdoor activities. While occasional rain showers contribute to an average of six precipitation days, they help to refresh the landscape. This blend of warmth and mildness truly sets September apart from other months, inviting a unique experience for residents and visitors alike. For a more detailed understanding of Liangshan's climate, visit Liangshan Climate.