Last updated: August 21, 2025
In Dongguan, China, September showcases a blend of warmth and humidity that defines the tail end of summer. With maximum temperatures peaking at a sweltering 38°C (101°F) and an average of 27°C (81°F), the month maintains a lively atmosphere. However, cooler evenings bring a refreshing minimum of 16°C (60°F). Rainfall is a notable feature, as the city experiences 83 mm (3.3 in) of precipitation over about 9 days, creating a lush environment that contrasts the intense heat. The humidity levels hover around 62%, ensuring that visitors and residents alike feel the tropical essence of this vibrant region.
In September, Dongguan experiences a notable transition as the summer heat begins to wane, marking a shift in temperatures that invites comfort and activity. The month starts with minimum temperatures around 16°C (60°F), gradually warming up to an average of 27°C (81°F) during the day, with highs peaking at a sultry 38°C (101°F). This warm weather, reminiscent of the scorching days of August, still allows for outdoor endeavors, though the slight drop in nighttime temperatures makes evenings more pleasant. As the city approaches October, the progressive cooling hints at the arrival of autumn, creating a balanced climate that is ideal for both exploration and relaxation.
September in Dongguan, China experiences a notable decline in precipitation, with an average of 83 mm (3.3 in) over approximately 9 days of rain. This marks a significant reduction compared to the heavy rainfall of the summer months, particularly June with its peak of 381 mm (15.0 in) spread across 19 days. As the region transitions into autumn, the decrease in both the amount and number of rainy days suggests a shift towards drier conditions. While September still retains some residual moisture from the summer, the overall trend points to a gradual tapering off, setting the stage for the drier months of October and November. This pattern highlights Dongguan's distinctive wet-humid summer influence, gradually yielding to the crispness of autumn.
In Dongguan, China, September marks a shift as humidity levels drop to 62%, providing a refreshing contrast to the sweltering summer months that precede it. Throughout the year, humidity gradually climbs from 64% in January to a peak of 89% in July, creating a humid atmosphere typical of subtropical climates. After reaching that summer high, August maintains elevated levels at 84%, but September heralds a noticeable retreat, signaling the onset of autumn. This decline continues into October, with humidity stabilizing around 64%, allowing residents to enjoy more comfortable conditions. The pattern reveals a seasonal cycle where humidity is highest in the warmer months, gradually easing as temperatures cool, inviting a more pleasant climate for outdoor activities.
In September, the UV Index in Dongguan, China registers at an extreme level of 11, with a burn time of just 10 minutes. This trend continues the pattern of high UV exposure from the summer months, where it peaked at 13 in July and August. Although there’s a slight decrease from the peak summer values, September still demands caution as the sun remains potent. As the year transitions into autumn, it’s essential to stay vigilant about sun protection during outdoor activities. For detailed UV Index data and trends, explore more at Dongguan UV Index.
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As the summer warmth begins to wane, September in Dongguan, China, boasts a robust 278 hours of sunshine, continuing the trend of abundant light seen in the preceding months. After the sun-soaked heights of August, which recorded 315 hours, September still holds its own as the days gradually shorten, offering a vibrant backdrop as the city transitions into autumn. The months leading up to September, especially May and July, showcased the peak of sunshine, hinting at a strong seasonal pattern where the sun graces Dongguan with impressive hours, allowing residents to savor the tail end of summer's embrace before cooler days arrive. In this sunlit month, the lingering warmth invites opportunities for outdoor activities and social gatherings, making it a delightful time to enjoy the rich culture of this bustling city.
In Dongguan, China, September stands out as a notably sunny month, boasting a 67% chance of sunshine. This marks a significant increase from the preceding summer months, where the likelihood of sun dipped to around 26% in August and 28% in July. As the city transitions into fall, the return of clearer skies in September contrasts sharply with the greyer days experienced in the earlier months of the year, particularly from April to June, when the chances were at their lowest, hovering between 15% to 18%. Thus, if you're planning a visit, expect a delightful mix of warmth and brightness, making September an ideal time to explore the outdoors in Dongguan.
As September unfolds in Dongguan, China, daylight begins to taper, offering approximately 12 hours of light each day. This marks a subtle transition from the long, sun-drenched days of summer, where the sun graced the sky for up to 13 hours in the previous months. While September still enjoys significant daylight, it signals the impending approach of autumn, as the hours progressively decrease into October and beyond. This gradual reduction in sunlight not only alters the ambiance but also invites a shift in seasonal activities, where residents may start to embrace the cozy comforts of fall as daylight dwindles in the coming months.
As September unfolds in Dongguan, China, the average wind speed gently settles at 1.9 m/s (4 mph), reflecting a slight dip from the summer peak of 2.5 m/s (6 mph) in July. This shift signals a gradual transition into the crispness of autumn, following the steadier breezes that characterize the warmer months. Interestingly, September's winds mirror those of the preceding February, suggesting a consistent and tranquil dynamism in the late summer air. With October's arrival, a promising uptick to 2.7 m/s (6 mph) is anticipated, foreshadowing the invigorating energy of fall that lies ahead, while overall, the wind patterns in Dongguan reveal a rhythmic ebb and flow that beautifully defines each season.
Weather in Dongguan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Dongguan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit stark contrasts in weather. September tends to be warm, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 38°C (101°F) and an average of 27°C (81°F). While the month experiences significant humidity at 62% and precipitation totaling 83 mm over 9 days, the atmosphere remains predominantly warm. In contrast, January brings a chill, featuring temperatures that range from a minimum of -5°C (23°F) to a maximum of 25°C (78°F), with an average of 8°C (46°F). Though slightly less rainy, with 60 mm of precipitation over 8 days, January also sees a similar humidity level at 64%. For more detailed information on January weather, you can check Dongguan weather in January.
September and February present stark contrasts in weather. In September, temperatures range from a minimum of 16°C (60°F) to a sweltering maximum of 38°C (101°F), with an average of 27°C (81°F). Humidity is a moderate 62%, and the month experiences approximately 83 mm (3.3 in) of precipitation over about 9 days. In contrast, February brings much colder conditions, with temperatures dipping as low as -3°C (28°F) and an average of only 10°C (50°F), peaking at 27°C (81°F). While it has slightly higher precipitation at 86 mm (3.4 in) over about 10 days, humidity is higher at 69%. This seasonal shift highlights the dramatic differences in temperature and humidity levels. For more specific details, you can explore Dongguan weather in February.
In September, the weather is characterized by warm temperatures, with a minimum of 16°C (60°F) and an average high reaching 38°C (101°F). The humidity level is moderate at 62%, and the month experiences around 83 mm (3.3 inches) of precipitation over approximately 9 days. In contrast, March sees much cooler temperatures, starting at a minimum of 3°C (38°F) and averaging only 15°C (59°F), with a maximum of 31°C (87°F). This month is also much wetter, with significant rainfall totaling 197 mm (7.7 inches) across 18 days, and higher humidity at 79%. For more detailed insights on March weather, check out Dongguan weather in March.
In comparing the weather of September and April, we see significant differences in temperature and precipitation. September boasts a warmer average temperature of 27°C (81°F), with daytime highs reaching up to 38°C (101°F), while April is considerably cooler, averaging 19°C (67°F) and peaking at 34°C (94°F). Additionally, April experiences much higher rainfall, with 187 mm (7.4 in) spread over 16 days, compared to September's 83 mm (3.3 in) over just 9 days. Humidity levels also differ, with April having a higher average of 81%, compared to September's 62%. For more details, you can check Dongguan weather in April.
In comparing the weather of September and May, September generally offers warmer temperatures with an average of 27°C (81°F) compared to May's 24°C (76°F). However, May experiences significantly more rainfall, totaling 291 mm (11.5 in) over 17 days, while September averages only 83 mm (3.3 in) across 9 days. Additionally, humidity levels are higher in May at 86%, compared to 62% in September. Overall, September presents a drier and warmer climate, whereas May is characterized by cooler temperatures and increased precipitation. For more detailed information, you can check Dongguan weather in May.
In comparing the weather of September and June, both months showcase similar average temperatures, with September experiencing a minimum of 16°C (60°F) and a maximum of 38°C (101°F), while June has a slightly higher minimum of 17°C (63°F) and a maximum of 37°C (99°F). However, June is notably wetter, with a substantial 381 mm (15.0 in) of precipitation over 19 days, compared to September's much milder 83 mm (3.3 in) over just 9 days. Additionally, humidity levels are higher in June at 83%, creating a more humid atmosphere than September's 62%. For a more detailed look at June weather, you can explore Dongguan weather in June.
The weather in September is generally milder compared to July, with average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 38°C (101°F), while July features higher averages between 22°C (71°F) and 39°C (102°F). September experiences less rainfall, with 83 mm (3.3 in) over 9 days, in contrast to July’s heavier precipitation of 236 mm (9.3 in) spread across 14 days. Additionally, humidity levels in September average around 62%, whereas July is noticeably more humid at 89%. For a closer look at July weather details, you can check Dongguan weather in July.
In comparing the weather of September to that of August, September experiences slightly cooler temperatures, with an average of 27°C (81°F) compared to August's 31°C (87°F). The minimum temperatures in September are notably lower at 16°C (60°F), while August starts at a warmer 24°C (75°F). Although both months can reach a maximum of 38°C (101°F), September sees somewhat less humidity at 62%, compared to August's 84%. In terms of precipitation, September has 83 mm (3.3 in) over approximately 9 days, while August records 96 mm (3.8 in) across 12 days, making it a slightly wetter month. For more insights on August weather, you can refer to Dongguan weather in August.
In September, the weather is typically warmer with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 38°C (101°F) and an average temperature of 27°C (81°F). The month sees approximately 83 mm (3.3 in) of rainfall over 9 days, accompanied by a moderate humidity level of 62%. In contrast, October brings cooler temperatures, with a minimum of 9°C (49°F), an average of 21°C (70°F), and a maximum of 36°C (98°F). Precipitation decreases to 43 mm (1.7 in) over 7 days, while humidity slightly rises to 64%. For more detailed information, you can check Dongguan weather in October.
September and November exhibit significant differences in weather characteristics. In September, temperatures range from a minimum of 16°C (60°F) to a maximum of 38°C (101°F), with an average of 27°C (81°F) and relatively high humidity at 62%. This month typically experiences about 83 mm (3.3 in) of precipitation over 9 days. In contrast, November sees a marked drop in temperatures, with minimums of 4°C (40°F) and averages of 15°C (60°F), peaking at a maximum of 30°C (87°F). Interestingly, November has a slightly lower total precipitation of 76 mm (3.0 in) spread over 10 days, but with increased humidity at 72%. For more detailed weather insights, check Dongguan weather in November.
In September, the weather is characterized by warm temperatures, ranging from a minimum of 16°C (60°F) to a scorching maximum of 38°C (101°F), with an average of 27°C (81°F). This month experiences significant rainfall, totaling 83 mm (3.3 in) over 9 days, and a moderate humidity level of 62%. In contrast, December brings a much cooler climate, with temperatures dropping to a minimum of -1°C (30°F) and an average of 9°C (49°F), peaking at 27°C (80°F). Precipitation is less frequent, accumulating 44 mm (1.7 in) across 8 days, accompanied by higher humidity at 76%. For detailed insights, you can check Dongguan weather in December.
As September unfolds in Dongguan, the weather transitions into a warm yet enjoyable phase, characterized by a mix of sultry days and refreshing rain. Unlike the scorching heat of peak summer, temperatures begin to cool slightly, with average highs offering a respite, while the humidity remains a constant companion. Although the city experiences a fair amount of precipitation during this month, it contributes to the lush greenery that defines Dongguan's landscapes. This blend of warmth and moisture makes September a unique time to explore the city's vibrant parks and outdoor spaces. For a deeper understanding of what to expect in this region, check out the detailed insights at Dongguan Climate.