Last updated: August 21, 2025
In September, Dongguan, China, experiences a mix of warm temperatures and notable rainfall. The month sees maximum temperatures soaring to a sizzling 39°C (102°F), with an average settling around a comfortable 26°C (80°F), while nighttime lows can drop to 15°C (60°F). Precipitation is abundant, with an average of 94 mm (3.7 in) over approximately 13 days, contributing to a humidity level of around 70%. This weather pattern creates a humid atmosphere, making it a vibrant time to experience the rich cultural landscape of Dongguan.
As September rolls into Dongguan, China, the city experiences a significant warming trend, with temperatures reflecting the height of late summer. The minimum temperature rises to a comfortable 15°C (60°F), signaling the shift from the cooler months. Average daily temperatures settle at 26°C (80°F), making it a pleasant time for outdoor activities. However, the warmth peaks with a staggering maximum of 39°C (102°F), reminding visitors that autumn is still holding onto the summer heat. This fluctuation showcases the region's transitional climate, where cool breezes can swiftly give way to shimmering, hot days, embodying the vibrant pulse of Dongguan in September.
In September, Dongguan experiences a moderate precipitation total of 94 mm (3.7 in) over 13 days, marking a notable drop from the preceding months of heavy rain, particularly August, which recorded an impressive 251 mm (9.9 in). This transition signifies the shift from the peak rainy season to a drier period as autumn approaches. While September's rainfall remains significant, it's clear that the intensity of precipitation is waning, setting the stage for a gradually drying climate as the year progresses. Such patterns suggest that Dongguan’s weather is characterized by its fluctuation, making September a pivotal month in the yearly precipitation cycle.
In Dongguan, China, September marks a shift in the humidity trend as the levels dip to 70%, the lowest of the year. Following a peak in the summer months—where humidity soared to around 85% in May and remained elevated through July—the autumn season introduces a refreshing decline. This decrease continues the gradual pattern initiated in August, which registered a humidity of 82%. Notably, the return to milder humidity in September could signal a welcome respite from the sweltering summer, making it a more pleasant time for outdoor activities. As the city transitions into October, humidity is expected to stabilize around 73%, suggesting a comfortable start to the fall season.
As September arrives in Dongguan, China, the UV Index begins to show a slight decrease, registering at 11, which places it in the extreme exposure category. This reflects a shift from the peak summer months, where the index consistently hit 13, demanding vigilance with only 10 minutes of safe sun exposure. With the transition to fall, while the burn time remains at a critical 10 minutes, it signals that sun protection remains essential. Overall, September's UV conditions indicate a continuation of the extreme caution required throughout the summer, underscoring the necessity to stay informed and protected. For more detailed UV data all year round, visit Dongguan UV Index.
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September in Dongguan, China, shines brightly with 283 hours of sunshine, marking it as one of the sunniest months of the year. This month follows the vibrant summer, which peaks in July with an impressive 311 hours and remains high in August at 296 hours. As the year transitions into autumn, September holds onto much of that radiant energy, slightly tapering off but still significantly better than many earlier months like January, which only reached 199 hours. The downward trend continues into October with 259 hours, yet September stands out as a golden moment, blending the lingering warmth of summer with the refreshing hints of fall. Overall, the sunshine hours reflect a clear pattern of increasing daylight as the year unfolds, peaking during the summer months before gracefully giving way to autumn.
In September, Dongguan experiences a promising 52% chance of sunny weather, making it one of the more favorable months for sunshine compared to the peak rainy season earlier in the year. This resurgence of sun follows a notable drop during the summer months, where July and August recorded just 27% and 16%, respectively. As the region transitions from the intense heat of summer, September offers a refreshing balance, allowing for more opportunities to enjoy outdoor activities under clearer skies. While the chance of sun decreases in October to 29%, September stands out as a refreshing reprieve before the cooler months set in, showcasing a moderate likelihood of pleasant weather.
In Dongguan, China, September brings a gentle transition in daylight duration, basking the city in 12 hours of sunlight. This month mirrors the longer days of summer, with sunshine peaking at 13 hours from May through July, before gradually tapering off into autumn. As the year progresses, daylight begins to wane, dropping to 11 hours by October and settling at 10 hours in the winter months of January and December. This steady rhythm of daylight highlights the lush vitality of late summer and early fall, setting the stage for the cooler, darker days ahead.
As September unfolds in Dongguan, China, the average wind speed dips to a gentle 1.2 m/s (3 mph), marking a continued softening trend in the atmosphere since the summer months. This slight decrease mirrors the gradual easing from the peak summer heat, where July and August recorded slightly higher breezes of 1.6 m/s (4 mph) and 1.4 m/s (3 mph), respectively. April through June also showcased consistently calm conditions, with wind speeds stabilizing around 1.5 m/s (3 mph). As the month transitions towards October, anticipation builds for an increase, with a forecast of 2.1 m/s (5 mph), hinting at the shift into more invigorating seasonal changes. While September's soothing winds may encourage leisurely outdoor activities, they also signal the approach of a more brisk autumn breeze, painting a picture of nature's gentle transition in this vibrant region.
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 present quite distinct weather patterns. In September, temperatures can soar to a high of 39°C (102°F), with an average of 26°C (80°F) and a minimum of 15°C (60°F). The month also sees significant rainfall, with 94 mm (3.7 in) spread over 13 days, contributing to a humidity level of 70%. In contrast, January experiences much cooler temperatures, with a maximum of only 29°C (84°F) and an average of 13°C (55°F), dipping as low as -3°C (27°F) at night. This month is much drier with only 33 mm (1.3 in) of precipitation over 5 days, and humidity slightly higher at 73%. For more details, you can check Dongguan weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a mild 15°C (60°F) at night to a scorching 39°C (102°F) during the day, with an average temperature of 26°C (80°F). This month is characterized by high humidity at 70% and significant rainfall, totaling 94 mm (3.7 inches) over about 13 days. In stark contrast, February experiences cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 28°C (83°F), averaging just 13°C (56°F). Precipitation is also lower in February, totaling 60 mm (2.4 inches) over 8 days, coupled with slightly higher humidity at 73%. For more specific details on February weather patterns, you can check Dongguan weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 39°C (102°F), with an average of 26°C (80°F). This month experiences 94 mm (3.7 in) of precipitation over 13 days, accompanied by a humidity level of 70%. In contrast, March is significantly cooler, with temperatures dipping to a minimum of 2°C (36°F) and reaching a maximum of 31°C (89°F), averaging 16°C (62°F). It sees slightly higher precipitation at 121 mm (4.8 in) over 15 days, and humidity rises to 80%. For more details, check Dongguan weather in March.
In September, the weather is notably warmer, with average temperatures reaching around 26°C (80°F) and maximums soaring up to 39°C (102°F). The humidity level is moderately high at 70%, accompanied by about 94 mm (3.7 in) of precipitation over 13 days. In contrast, April presents a cooler climate with minimum temperatures dropping to 5°C (41°F) and an average of 20°C (67°F), peaking at 33°C (92°F). This month experiences slightly more precipitation at 99 mm (3.9 in), also over 13 days, but with higher humidity levels of 81%. For more details on the weather in April, you can check Dongguan weather in April.
In comparing the weather of September and May, notable differences in temperature and precipitation patterns emerge. September tends to be warmer, with average temperatures reaching around 26°C (80°F) and highs peaking at 39°C (102°F), while May experiences a cooler average of 23°C (74°F) and maximum temperatures of 36°C (97°F). However, May sees significantly higher precipitation levels, with 205 mm (8.1 in) recorded over 19 days, compared to September's 94 mm (3.7 in) over 13 days. Additionally, humidity is higher in May at 85%, compared to September's 70%, making the former feel more muggy. For a detailed look at May's weather conditions, you can refer to Dongguan weather in May.
In comparing the weather between September and June, we see notable differences in temperature, precipitation, and humidity. September experiences slightly warmer temperatures with a minimum of 15°C (60°F) and a maximum of 39°C (102°F), while June's temperatures range from a minimum of 18°C (64°F) to a maximum of 36°C (97°F). However, June is considerably wetter, receiving 285 mm (11.2 in) of precipitation over 21 days, compared to September's 94 mm (3.7 in) over 13 days. Additionally, June has higher humidity levels at 81%, compared to September's 70%. For more details on the weather in June, you can visit Dongguan weather in June.
In comparing the weather between September and July, we observe some notable differences. September generally experiences a wider temperature range, with a minimum of 15°C (60°F) and a maximum of 39°C (102°F), averaging around 26°C (80°F). In contrast, July has a warmer overall temperature profile, with a minimum of 22°C (72°F) and a maximum of 37°C (99°F), averaging 28°C (82°F).
Precipitation levels also differ; September receives about 94 mm (3.7 in) of rain over 13 days, while July sees heavier rainfall, totaling 135 mm (5.3 in) across 15 days. This larger amount of rainfall in July contributes to higher humidity levels, averaging 84% compared to September's 70%. For a more detailed look at July's weather, visit Dongguan weather in July.
In comparing the weather between August and September, September shows a notable decrease in humidity, dropping from 82% in August to 70%. While August has higher minimum temperatures (22°C or 72°F) compared to September's 15°C (60°F), the average temperatures remain relatively similar, with September averaging at 26°C (80°F) and August at 27°C (81°F). Precipitation also sees a significant shift; August experiences heavy rainfall with 251 mm (9.9 in) over 20 days, whereas September has much lighter rainfall totaling 94 mm (3.7 in) over 13 days. For a detailed look at August weather, you can check Dongguan weather in August.
In September, temperatures in the region can reach a high of 39°C (102°F), with an average of 26°C (80°F) and a minimum of 15°C (60°F). The month is also characterized by significant rainfall, totaling 94 mm (3.7 in) over approximately 13 days, and humidity levels hover around 70%. In contrast, October features a cooler climate, where the maximum temperature drops to 35°C (96°F), with an average of 22°C (72°F) and a minimum of 10°C (51°F). Precipitation decreases considerably to 39 mm (1.5 in) over just 5 days, while humidity slightly increases to 73%. For more detailed information about the weather in October, you can visit Dongguan weather in October.
In September, the weather is marked by warm temperatures, with a minimum of 15°C (60°F) and an average high of 26°C (80°F), often reaching up to 39°C (102°F). The month is relatively humid, with 70% humidity and a significant amount of precipitation at 94 mm (3.7 in) across 13 days. In contrast, November experiences much cooler temperatures, with a minimum of 6°C (43°F) and an average of 18°C (65°F), peaking at 30°C (87°F). The rainfall decreases to 46 mm (1.8 in) over just 7 days, and the humidity slightly increases to 77%. For more detailed insights on November weather, check out Dongguan weather in November.
September weather is characterized by significantly warmer temperatures, with averages around 26°C (80°F) and maximums reaching up to 39°C (102°F). The month experiences higher precipitation as well, with 94 mm (3.7 in) over 13 days, while the humidity hovers at 70%. In contrast, December sees a notable drop in temperature, with minimums around 1°C (34°F) and an average of 14°C (57°F), making it much cooler overall. Precipitation is also much lighter, with only 25 mm (1.0 in) across just 5 days, accompanied by slightly higher humidity at 79%. For more detailed information, you can refer to Dongguan weather in December.
September in Dongguan brings a notable transition from the sweltering heat of summer to more moderate temperatures, with an average that gently shifts towards cooler days while still experiencing the occasional peak of heat. With humidity hovering around 70%, the air often feels sticky, but this month also ushers in increased rainfall, averaging around 94 mm over 13 days, which is higher than many preceding months. As the city prepares for the retreat of the summer sun, September provides a unique blend of lingering warmth and refreshing showers, making it a dynamic time to experience Dongguan's evolving climate. For a comprehensive look at the weather trends throughout the year, visit Dongguan Climate.