Last updated: August 21, 2025
In September, Zhongshan, China experiences a delightful transition into autumn, characterized by a maximum temperature of 27°C (81°F) and a minimum of 5°C (42°F), leading to a pleasant average of 15°C (60°F). However, the month also brings 102 mm (4.0 in) of rain over approximately 12 days, contributing to a somewhat humid atmosphere with levels peaking at 84%. Whether you're enjoying the mild temperatures or navigating the intermittent showers, September in Zhongshan offers a unique blend of warmth and refreshment.
In September, temperatures in Zhongshan, China begin to transition from the sweltering heat of summer to the cooler embrace of autumn. With nighttime lows averaging 5°C (42°F), the days bring a pleasant warmth that peaks at around 27°C (81°F), making it an ideal time for outdoor activities. The month's average temperature stands at a comfortable 15°C (60°F), reflecting a gradual drop compared to the scorching highs experienced in July and August. This shift heralds not only a change in the weather but also a vibrant transformation in the landscape, as the summer foliage gives way to the early colors of fall, inviting residents and visitors alike to enjoy the refreshing climate before winter sets in.
In September, Zhongshan, China, experiences a significant shift in precipitation, with an average of 102 mm (4.0 in) over 12 days, making it the sixth wettest month of the year. This is a notable decrease from the preceding months of July and August, which see peak rainfalls of 114 mm (4.5 in) and 133 mm (5.2 in) respectively. Despite this reduction, September still plays a crucial role in the overall wet season, maintaining a robust amount of rainfall as it transitions into the dryer autumn months. The consistent rainy days during this month highlight the lingering impact of the summer monsoon, setting the stage for cooler, drier weather ahead.
In Zhongshan, China, September marks a notable point in the year as humidity levels reach 84%, making it one of the more humid months. After a slight dip in May to 71%, humidity gradually increases through the summer months, leveling off during September before a slight rise again in October to 87%. This trend reflects the transition from the summer heat into the more humid fall, with September acting as a bridge, showcasing the region's characteristic high moisture levels. It's a time when both locals and visitors feel the lingering warmth and humidity that define the late summer and early autumn months in this vibrant city.
As September arrives in Zhongshan, China, the UV Index remains notably high at 11, placing it in the extreme exposure category. This slight dip from the peak levels observed in the preceding months signals a persistent need for sun protection, as the burn time is a brisk 10 minutes. Following a summer of intense UV radiation, this trend highlights the prolonged concerns surrounding sun safety that continue into early autumn. With a historically gradual decrease in UV levels in the months to come, such as October's anticipated 8, September serves as a crucial reminder for residents and visitors alike to remain vigilant against harmful sun exposure. For more detailed information, check out Zhongshan UV Index.
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September in Zhongshan, China, experiences a delightful 232 hours of sunshine, marking a gentle transition from the vibrant summer months. Following the peak of 321 hours in July and a solid 299 hours in August, September’s sunshine continues to embrace the lingering warmth while hinting at the approaching autumn. The month sees a notable dip in sunlight compared to the sun-drenched summer, yet it still offers ample brightness, fostering a serene atmosphere perfect for outdoor adventures. This trend of gradually diminishing daylight will continue into the fall, with October dropping to 215 hours, but September provides a beautiful balance of warmth and light, inviting residents and visitors alike to savor the last moments of summer.
In Zhongshan, China, the likelihood of sunny weather in September is approximately 40%, reflecting a moderate chance of clear skies as summer transitions to autumn. This percentage positions September favorably compared to the preceding months, where chances of sunshine fluctuate primarily between 33% and 37%. Interestingly, this month shows a slight uptick from the summer peak in July at 46%, yet it trails behind November, which boasts a 59% likelihood of sunshine. As September approaches, residents and visitors can anticipate a mix of sun and clouds, making it a delightful time to explore the outdoors before the cooler and cloudier months set in.
As September unfolds in Zhongshan, China, the daylight duration begins to shift, showcasing a blend of summer's richness and autumn's approach. With 12 hours of daylight, this month witnesses a gradual decline from the peak of 14 hours seen in the height of summer, illustrating a transition that leads toward the shorter days of fall. This trend reflects a steady decrease in daylight as the year progresses, with daylight duration decreasing consistently from June through December. As summer bids farewell, September offers a balanced experience, blending the lingering warmth of summer with the cooler whispers of autumn.
As September unfolds in Zhongshan, China, the gentle breeze carries a whisper of change, with an average wind speed of 2.2 m/s (5 mph). This seasonal transition marks a slight dip from the summer months, where winds maintained a consistent 2.2 to 2.6 m/s range. Interestingly, September’s winds are mirrored in both June and July, suggesting a stable atmospheric calmness as the region moves towards autumn. The steadiness of the winds not only offers a comforting backdrop to the daily rhythms of life in Zhongshan but also hints at the approaching seasonal shift, where cooler breezes will soon take precedence.
Weather in Zhongshan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Zhongshan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns, showcasing the transition from late summer to deep winter. In September, temperatures range from a mild 5°C (42°F) at night to a warm maximum of 27°C (81°F) during the day, with an average of 15°C (60°F). This month experiences significant rainfall, with 102 mm (4.0 in) spread over 12 days, and humidity levels averaging a rather high 84%. In stark contrast, January brings frigid temperatures, with nighttime lows plunging to -20°C (-5°F) and daytime highs rarely exceeding 8°C (47°F), resulting in an average temperature of -3°C (26°F). Precipitation is sparse in January, totaling just 11 mm (0.4 in) over 3 days, while humidity levels drop to 76%. For more insights into January's weather in Zhongshan, you can check Zhongshan weather in January.
September and February present contrasting weather patterns. In September, temperatures range from a minimum of 5°C (42°F) to a maximum of 27°C (81°F), with an average temperature of 15°C (60°F). This month experiences significant rainfall, totaling 102 mm (4.0 in) over approximately 12 days, combined with a high humidity level of 84%. In stark contrast, February showcases much colder conditions, with temperatures ranging from a frigid -19°C (-2°F) to a maximum of 16°C (61°F) and an average temperature of -1°C (30°F). Precipitation is minimal in February, totaling just 15 mm (0.6 in) over 4 days, and humidity hovers around 83%. For more detailed insights, you can check Zhongshan weather in February.
September and March present distinct weather patterns, reflecting the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a mild 5°C (42°F) at night to a warm 27°C (81°F) during the day, with an average of 15°C (60°F). In contrast, March starts off much colder, with nighttime lows dipping to -8°C (17°F) and daytime highs reaching up to 21°C (71°F), averaging at 6°C (43°F). Additionally, September experiences more precipitation, totaling 102 mm (4.0 in) over 12 days compared to March's 33 mm (1.3 in) across 9 days. The humidity levels in both months are similar, hovering around 84% in September and slightly higher at 86% in March. For more detailed information on March weather, you can check Zhongshan weather in March.
In comparing the weather between September and April, we can observe notable differences. September experiences warmer temperatures with a minimum of 5°C (42°F) and an average of 15°C (60°F), peaking at a comfortable 27°C (81°F). The month also brings more precipitation, totaling 102 mm (4.0 in) over approximately 12 days, alongside slightly higher humidity at 84%.
In contrast, April is cooler, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 25°C (77°F) and an average of 10°C (51°F). The precipitation is considerably less at 52 mm (2.0 in) over about 9 days, and humidity remains relatively stable at 83%. For a more detailed look at April weather, you can visit Zhongshan weather in April.
September experiences a broader temperature range with a minimum of 5°C (42°F) and a maximum of 27°C (81°F), while May has a lower minimum of 0°C (32°F) but a slightly higher maximum of 29°C (84°F). The average temperature is similar in both months, around 15°C (60°F) for September and 15°C (58°F) for May. However, September is characterized by higher humidity at 84% compared to May's 71%, making it feel more muggy. Precipitation is also greater in September, with 102 mm (4.0 in) across 12 days, compared to May's 74 mm (2.9 in) over 9 days. For more detailed information, you can visit Zhongshan weather in May.
In comparing the weather between June and September, June generally offers warmer temperatures, with average highs reaching 30°C (86°F) compared to September's maximum of 27°C (81°F). June also has a slightly higher average temperature of 19°C (66°F), while September averages at 15°C (60°F). However, September tends to be wetter, receiving 102 mm (4.0 in) of precipitation over approximately 12 days, while June sees a bit less rain at 90 mm (3.6 in) across about 10 days. Additionally, humidity levels are higher in September at 84%, compared to June’s 77%. For a more detailed view of weather conditions, you can check Zhongshan weather in June.
In comparing the weather between September and July, September tends to be cooler with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 27°C (81°F), averaging around 15°C (60°F). In contrast, July is noticeably warmer, featuring minimum temperatures of 9°C (49°F) and maximums hitting 34°C (93°F), with an average temperature of 21°C (70°F). Both months experience a similar number of rainy days, with September receiving 102 mm (4.0 in) of precipitation and July slightly higher at 114 mm (4.5 in). Additionally, September has a higher humidity level at 84%, compared to July’s 78%. For a more detailed look at July's climate specifics, you can visit Zhongshan weather in July.
In comparing the weather of September to August, September tends to be cooler with average temperatures ranging from a minimum of 5°C (42°F) to a maximum of 27°C (81°F), while August experiences higher heat, with temperatures averaging between 8°C (47°F) and 34°C (93°F). Additionally, September has slightly more precipitation, totaling 102 mm (4.0 in) over 12 days, compared to August's 133 mm (5.2 in) over 13 days. Humidity is higher in September at 84%, compared to August's 78%, making the later summer month feel a bit more comfortable despite the warmer temperatures. For more detailed information on August weather, visit Zhongshan weather in August.
In September, the weather is generally milder, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 27°C (81°F) and an average of 15°C (60°F). The month experiences significant rainfall, totaling 102 mm (4.0 in) over 12 days, accompanied by high humidity at 84%. In contrast, October brings noticeably cooler temperatures, with a minimum of -1°C (31°F) and an average of 9°C (48°F), though it still reaches a maximum of 24°C (75°F). While the total precipitation decreases to 87 mm (3.4 in) over 14 days, humidity slightly rises to 87%, creating a crisp autumn feel. For more detailed information on the weather in October, you can visit Zhongshan weather in October.
September and November showcase a significant shift in weather conditions. In September, temperatures range from a mild 5°C (42°F) at night to a warm 27°C (81°F) during the day, with an average temperature of 15°C (60°F). The month is relatively rainy, experiencing 102 mm (4.0 in) of precipitation over 12 days, while humidity stays high at 84%. In stark contrast, November sees much cooler temperatures, with nighttime lows plunging to -11°C (13°F) and average daytime highs reaching only 16°C (61°F). Precipitation drops to 27 mm (1.1 in) over just 6 days, maintaining the same humidity level of 84%. For more detailed information, check out Zhongshan weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a mild 5°C (42°F) at night to a warm 27°C (81°F) during the day, accompanied by significant rainfall of 102 mm (4.0 in) over 12 days, resulting in a humid atmosphere with humidity levels around 84%. In contrast, December experiences much colder temperatures, with a minimum of -17°C (2°F) and a maximum of only 9°C (48°F). The month sees significantly less precipitation, totaling just 12 mm (0.5 in) over 3 days, and a slightly lower humidity level of 80%. For those interested in learning more about December weather in Zhongshan, additional details can be found here: Zhongshan weather in December.
As September ushers in a noticeable transition in Zhongshan's weather, it brings with it a blend of warmth and humidity that sets it apart from the hotter summer months. With an average temperature of around 15°C, it offers a refreshing respite from the sweltering heat, though the maximum daily temperatures still reach pleasant heights. However, the increased cloud cover and rain, with over a dozen days experiencing precipitation, creates a more humid atmosphere that can feel oppressive at times compared to the drier months. This unique weather pattern not only enhances the local landscape but also sets the stage for the vibrant colors of autumn, making September a month of stunning transformation. For more detailed insights, visit Zhongshan Climate.