Last updated: August 21, 2025
In Chengjiang, China, September ushers in a blend of warm temperatures and considerable moisture, making it a month of dynamic weather patterns. With a maximum temperature soaring to 39°C (103°F) and a comforting average of 24°C (76°F), residents and visitors alike can expect a tropical ambiance. However, the warmth is accompanied by notable precipitation, with 173 mm (6.8 in) of rainfall spread across 17 days, contributing to a high humidity level of 84%. This combination of heat and humidity can create a lush, vibrant environment, perfect for experiencing the region's natural beauty, but it's advisable to stay prepared for spontaneous showers throughout the month.
In September, Chengjiang experiences a pleasant transition from the sweltering summer months, with temperatures ranging from a minimum of 17°C (63°F) to an impressive maximum of 39°C (103°F). The average temperature settles at a comfortable 24°C (76°F), making it an ideal time for outdoor activities as the searing heat of July and August begins to recede. This month marks a clear shift in climate, showcasing a blend of lingering warmth while hinting at the approaching cooler autumn days. As the hot season wanes, residents and visitors alike can enjoy the vibrancy of the locale without the extreme temperatures that define the peak summer months. This gradual cooling trend sets the stage for the refreshing weather of October, which follows closely with even more moderate temperatures.
In September, Chengjiang, China experiences a significant precipitation surge, with rainfall measuring 173 mm (6.8 in) over 17 days—a notable contributor to the region's lush landscapes. This figure aligns closely with August's rainfall of 139 mm, maintaining the trend of late summer and early autumn precipitation that fosters vibrant growth. As the seasons shift towards autumn, September's rains are essential, ensuring ample moisture before October's comparatively drier conditions, which see a decrease to 120 mm (4.7 in). The consistent rainfall during these months highlights Chengjiang's unique climate, where humidity is prevalent, offering a rich ecosystem that thrives on this abundant moisture.
As September rolls in, Chengjiang experiences a notable shift in humidity levels, settling at 84%. This marks a slight dip from the peak of 87% in August, yet remains higher than most months earlier in the year. The trend reveals a gradual ascent from the 72% humidity of January, peaking during the summer months of June and July where it consistently hovers around 85%. As the seasons transition into autumn, September's humidity reflects both the lingering moisture of summer and the impending dryness of fall, providing a unique blend of comfortable warmth and tropical atmosphere for locals and visitors alike.
As September rolls into Chengjiang, the UV Index highlights a slight dip in intensity from the peak summer months, settling at 10, categorized as very high. This trend marks a transition from the extreme levels seen from May through August, where the sun's strength necessitated caution with a burn time of just 10 minutes. In September, you still need to stay vigilant with a burn time of 15 minutes, but the overall experience becomes more manageable. It's a reminder to enjoy the late summer sunshine while still taking necessary precautions. As you plan your outdoor activities, consider checking the detailed forecasts at Chengjiang UV Index to ensure you remain safe under the sun's rays.
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As September unfolds in Chengjiang, China, the city basks in a delightful embrace of 224 hours of sunshine, marking a noteworthy transition from the peak summer months. Following the sunny heights of July and August, which boasted impressive totals of 298 and 315 hours respectively, September signals a gentle decline yet remains comfortably bright. The sunshine hours dip but stay significantly higher than the beginning of the year, contrasting sharply with January’s modest 114 hours. This trend reflects the shift from summer’s intensity to the softer warmth of autumn, inviting residents and visitors alike to savor the pleasant early fall weather before the cooler months set in.
In September, Chengjiang, China, experiences a promising 35% chance of sunny weather, making it one of the brighter months of the year. This level of sunlight is a pleasant contrast to the more overcast conditions in the preceding summer, where the chances dipped to 25% in August and 31% in July. As the season transitions into autumn, the likelihood of sunshine begins to stabilize compared to the significantly lower percentages found in the spring and summer months. As such, September offers a delightful opportunity for outdoor activities, providing a welcoming balance between warmth and brightness before the cloudier days of fall set in.
As summer fades, September in Chengjiang, China, marks a gentle transition in daylight duration, offering approximately 12 hours of sunshine each day. This gradual decline from June's peak of 14 hours reflects the onset of autumn, continuing the trend of diminishing daylight as the year progresses. Following the vibrant days of summer, September retains a generous amount of light, inviting outdoor activities while hinting at the cooler, shorter days ahead. With daylight shrinking to 11 hours in October and further to 10 hours by November and December, this month stands as a delightful balance between the warmth of summer and the crispness of fall, making it a cherished time for both locals and visitors.
As September unfolds in Chengjiang, China, the winds begin to whisper a change, with an average speed of 1.9 m/s (4 mph), marking a subtle yet noticeable uptick from the summer months. This slight increase hints at the transition from warm, languid days to the crisp embrace of autumn. Prior months show a consistent pattern, where July recorded its calmest breezes at 1.4 m/s (3 mph), while August nudged up to 1.6 m/s (4 mph), paving the way for September’s refreshing gusts. In contrast, the winds of late autumn and winter drop back down, averaging between 1.4 to 1.5 m/s (3 mph) from October onwards, suggesting a tranquil time ahead as the seasons shift. The increase in September's wind speed not only invigorates the atmosphere but also signals nature’s impending transformation, painting a vivid picture of change in Chengjiang's idyllic landscape.
Weather in Chengjiang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Chengjiang, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather is characterized by warm temperatures, with averages reaching up to 24°C (76°F) and maximums soaring as high as 39°C (103°F). This month also sees significant rainfall, totaling 173 mm (6.8 in) over 17 days, contributing to a high humidity level of 84%. In stark contrast, January experiences much cooler conditions, with minimum temperatures dipping to -2°C (29°F) and an average of only 9°C (48°F). Precipitation is minimal at 26 mm (1.0 in) over just 5 days, and humidity is lower at 72%. For a closer look at the January climate, you can explore Chengjiang weather in January.
September weather is characterized by warm temperatures, with a minimum of 17°C (63°F) and an average of 24°C (76°F), peaking at a scorching 39°C (103°F). The month sees considerable rainfall, totaling 173 mm (6.8 in) over 17 days, along with high humidity levels averaging 84%. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 1°C (34°F) to a mild average of 10°C (51°F) and a maximum of 27°C (80°F). February experiences significantly less precipitation, with only 39 mm (1.5 in) spread over 7 days, and humidity levels are slightly lower at 76%. This stark contrast between the two months highlights the seasonal shifts in temperature and precipitation. For detailed weather patterns in February, you can refer to Chengjiang weather in February.
In comparing the weather of September and March, we can observe some distinct differences. September typically features warmer temperatures, with minimums around 17°C (63°F) and averages reaching up to 24°C (76°F), culminating in maximums of 39°C (103°F). In contrast, March presents cooler conditions, with minimum temperatures dropping to 7°C (44°F) and an average of 15°C (60°F), maxing out at 33°C (91°F). Additionally, September is notably wetter, recording 173 mm (6.8 in) of precipitation over approximately 17 days, compared to March's 85 mm (3.4 in) over 14 days. Humidity levels remain relatively high in both months, hovering around 84% in September and 80% in March. For a more detailed overview, you can refer to Chengjiang weather in March.
In comparing the weather patterns of September and April, we see notable differences in temperature and humidity. September typically has a warmer climate, with average temperatures around 24°C (76°F) and maximums reaching as high as 39°C (103°F), while April's averages are cooler at 19°C (67°F), peaking at 36°C (96°F). Precipitation is more frequent in September, occurring on 17 days and accumulating 173 mm (6.8 in) of rain, compared to April's 15 days of rain and 129 mm (5.1 in). Additionally, September experiences higher humidity levels at 84%, compared to April's 77%. For a more detailed look at April's conditions, you can refer to Chengjiang weather in April.
When comparing the weather in September and May, we observe notable differences and similarities. In September, the minimum temperature starts off warmer at 17°C (63°F) and can reach a high of 39°C (103°F), with an average of 24°C (76°F). The month sees significant rainfall, totaling 173 mm (6.8 in) over 17 days, alongside relatively high humidity at 84%. In contrast, May experiences cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 36°C (97°F), as well as a slightly lower average of 22°C (72°F). Although precipitation levels are similar, with 176 mm (6.9 in) over the same number of days, May maintains a slightly lower humidity at 82%. This comparison highlights the transition from the warm, humid conditions of September to the more temperate and slightly drier climate of May. For more detailed information, you can check Chengjiang weather in May.
September and June offer a contrast in weather despite their similarities. Both months have a minimum temperature of 17°C (63°F), but September tends to be warmer overall with an average of 24°C (76°F) compared to June's average of 25°C (77°F). In terms of extremes, September can reach up to 39°C (103°F), which is higher than June's maximum of 36°C (97°F). Rainfall is also notable in both months; September experiences 173 mm (6.8 in) of precipitation over 17 days, whereas June has slightly less at 148 mm (5.8 in) over 18 days. Humidity levels are comparable, with September at 84% and June at 85%. For a detailed look at what to expect, you can refer to Chengjiang weather in June.
In comparing September and July weather, September experiences slightly lower temperatures, with an average of 24°C (76°F) compared to July's warmer average of 29°C (84°F). While both months have high maximum temperatures, July peaks at 41°C (107°F), just edging out September’s maximum of 39°C (103°F). Precipitation levels are quite similar, with September receiving 173 mm (6.8 in) over 17 days and July a bit higher at 183 mm (7.2 in) over 16 days. Humidity remains high in both months, with September at 84% and July slightly higher at 85%. For more details on July weather, you can check out Chengjiang weather in July.
In comparing the weather of September and August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 39°C (103°F), while August is warmer, featuring a minimum of 20°C (67°F) and a maximum of 42°C (108°F). Both months experience significant precipitation, but September sees a higher average rainfall of 173 mm (6.8 in) over 17 days, compared to August's 139 mm (5.5 in) over 15 days. Additionally, humidity levels remain relatively high in both months, with September at 84% and August slightly higher at 87%. For a more detailed look at August weather, visit Chengjiang weather in August.
In September, the weather is characterized by warmer temperatures, with averages around 24°C (76°F) and maximums soaring to 39°C (103°F), accompanied by high humidity levels of 84%. The month experiences substantial rainfall, totaling 173 mm (6.8 in) over 17 days. In contrast, October brings a noticeably cooler climate, with average temperatures dropping to 18°C (65°F) and maximums reaching 36°C (97°F). Precipitation decreases to 120 mm (4.7 in) across 16 days, and humidity levels slightly lower to 81%. This transition marks a shift from the sweltering heat of September to the milder conditions typical of October. For more details, you can check the Chengjiang weather in October.
September weather is characterized by warmer temperatures, with minimums around 17°C (63°F) and maximums soaring to 39°C (103°F), making it a hot month overall, with an average temperature of 24°C (76°F). The month also experiences significant rainfall, totaling 173 mm (6.8 in) over 17 days, accompanied by high humidity levels at 84%. In contrast, November sees much cooler conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (77°F) and an average of just 14°C (57°F). Alongside this drop in temperature, November enjoys significantly less rainfall at 50 mm (2.0 in) over only 9 days, while humidity remains relatively high at 86%. For more detailed information, you can check Chengjiang weather in November.
September and December present significantly different weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a scorching maximum of 39°C (103°F), with an average temperature of 24°C (76°F). This month experiences considerable rainfall, totaling 173 mm (6.8 in) across 17 wet days, along with high humidity at 84%. In stark contrast, December sees much cooler conditions, with temperatures dipping to a minimum of 1°C (35°F) and peaking at 18°C (64°F), averaging only 9°C (49°F). Precipitation decreases dramatically to 29 mm (1.1 in) over just 7 days, and humidity slightly lowers to 81%. For more detailed information, check the Chengjiang weather in December.
As September unfolds in Chengjiang, the weather presents a delightful yet humid transition into autumn. Temperatures can soar, but the average warmth provides a comfortable backdrop for outdoor activities. Unlike the peak summer months, where heat reigns supreme, September introduces a noticeable increase in precipitation, with more frequent rains that nurture the vibrant landscapes. The elevated humidity creates a lush atmosphere, setting the stage for beautiful foliage as the month progresses. Those looking to explore Chengjiang will find September to be a unique blend of warmth and refreshing rain, offering a distinct charm compared to other months. For a deeper dive into the weather patterns, be sure to check out Chengjiang Climate.