Last updated: August 21, 2025
In September, Jiujiang, China experiences a vibrant transition towards autumn, characterized by a maximum temperature reaching 35°C (96°F) and an average of 26°C (78°F). While the days can feel warm, the nights offer a cooler escape with minimum temperatures around 17°C (62°F). This month sees a notable precipitation amount of 124 mm (4.9 in) spread over 11 days, resulting in high humidity levels at 73%, contributing to a lush and refreshing atmosphere. Whether you're enjoying the warmth of the day or the cooler nights, September in Jiujiang is a multifaceted blend of seasonal changes.
In September, Jiujiang experiences a delightful transition towards autumn, characterized by comfortable temperatures that make it a pleasant time to explore the city. The average temperature rises to a warm 26°C (78°F), with daytime highs peaking at 35°C (96°F), marking the end of the summer heat. Nighttime lows settle around 17°C (62°F), providing a refreshing coolness ideal for evening strolls. Compared to the scorching summer months of July and August, when temperatures frequently hit the high 30s, September offers a gentler climate, hinting at the cooler days ahead while still basking in the warmth of late summer. This month serves as a perfect bridge, inviting residents and visitors alike to enjoy outdoor activities amidst the backdrop of changing leaves.
In September, Jiujiang experiences a noticeable decline in precipitation, with 124 mm (4.9 in) of rainfall spread over 11 days. This marks a significant drop from the summer months, particularly August's 151 mm (6.0 in). As the monsoon season begins to wane, September's weather sets the tone for the transition into autumn, characterized by a less humid atmosphere and fewer rainy days. This shift highlights a gradual decrease in precipitation as the year progresses, from June's peak of 293 mm (11.5 in) down to October's mere 34 mm (1.4 in). Overall, September serves as a pivotal month in Jiujiang's climate, bridging the gap between the heavy rains of summer and the drier, cooler days of fall.
In September, Jiujiang, China experiences a noticeable dip in humidity, averaging 73%, a substantial decrease compared to the peak summer months when levels soared to 90% in July. As the region transitions from the sweltering heat of summer to the milder climate of autumn, this decline in moisture is part of a broader trend observed throughout the year. Following a humid peak from April to August, where humidity levels consistently hover around 86%, September marks a refreshing respite that continues into October, maintaining the same moderate humidity level. This seasonal fluctuation showcases Jiujiang's dynamic climate, providing relief after the intense summer months while setting the stage for the crispness of fall.
As summer fades into September, Jiujiang, China, experiences a slight dip in the UV Index, dropping to 10, which falls under the very high exposure category. While this marks the end of the extreme levels seen in the previous months—where the UV Index peaked at 12 in July and August—the risk of sunburn remains significant, with a burn time of just 15 minutes. This transitional month signals a shift from the intense summer sun, yet caution is still advised for outdoor activities. As October approaches, residents can expect a gradual decrease to an 8, continuing the trend of heightened UV levels well into the fall. For more details on how to protect yourself from UV exposure, visit Jiujiang UV Index.
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September in Jiujiang, China, continues the city's trend of abundant sunshine, boasting 272 hours of bright days. This month retains a healthy glow, showing a slight decline from the peak summer hours of 310 in August, yet still offers ample opportunity for outdoor enjoyment and exploration. As the seasons shift, September's sunshine reflects a gradual transition towards autumn, reminding residents and visitors alike of the vibrant summer that preceded it. The consistent upward trend from January's 152 hours to the summer climax in July and August highlights Jiujiang's reputation as a sun-drenched destination, making September a lovely time to soak in the lingering warmth before the cooler months set in.
As September rolls around in Jiujiang, China, the likelihood of enjoying sunny weather significantly increases, reaching 62%—the highest probability of sunshine for the year. This upward trend contrasts sharply with the preceding months, where the chances of clear skies dwindle, particularly from April to August, when they fluctuate between 18% and 35%. With summer's heat subsiding and autumn's embrace setting in, September offers a delightful balance of warmth and brightness, making it an ideal time for outdoor activities and exploration. As the season transitions, residents and visitors alike can look forward to a refreshing burst of sunny days, perfect for soaking in the beauty of Jiujiang.
As summer transitions into autumn in Jiujiang, China, September brings a comforting shift in daylight duration, allowing for 12 hours of sunlight. Following the peak of 14 hours in June, the gradual decrease reflects the natural ebb and flow of the seasons, with daylight tapering off slightly as October approaches. The month maintains a balanced brightness akin to the spring months of March and April, which also featured 11 to 12 hours of daylight. This trend underscores the cyclical nature of the year, creating a backdrop for vibrant autumn foliage and inviting outdoor activities before the days grow shorter in the coming months.
As September unfolds in Jiujiang, China, the average wind speed gently settles at 2.2 m/s (5 mph), maintaining a consistent and pleasant atmosphere reminiscent of the summer months. Following the slight fluctuations of the earlier seasons, September marks a transition into the brisker autumn winds that will soon follow. The steady breeze experienced this month is slightly lower than the energetic gusts of July, which peaked at 2.5 m/s (6 mph), but remains comfortably regular. This continuity in wind patterns hints at the region's tranquil climate, making September an alluring time for outdoor activities amidst the soft caress of the early autumn air. As the month draws to a close, one can look forward to the promise of stronger winds in October, which typically brings a refreshing boost with an increase to 3.0 m/s (7 mph), inviting the vibrant colors of fall.
Weather in Jiujiang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jiujiang, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present striking contrasts in weather. In September, temperatures range from a mild 17°C (62°F) at night to a scorching 35°C (96°F) during the day, with an average of 26°C (78°F). The month also sees significant rainfall, totaling 124 mm (4.9 in) across 11 days, contributing to a humid atmosphere with 73% humidity. Conversely, January is marked by much colder weather, with temperatures dipping as low as -5°C (23°F) and averaging only 6°C (42°F), peaking at 20°C (68°F). Precipitation is less frequent in January, amounting to 67 mm (2.6 in) over just 8 days, and the humidity decreases slightly to 69%. For more detailed insights on January's climate, check out Jiujiang weather in January.
September and February present strikingly different weather conditions. In September, temperatures range from a mild 17°C (62°F) to a hot 35°C (96°F), with an average of 26°C (78°F). This month also sees significant rainfall, with 124 mm (4.9 in) falling over 11 days, all while maintaining a high humidity level of 73%. In contrast, February experiences a much cooler climate, with temperatures ranging from a chilly -3°C (28°F) to a more temperate 25°C (77°F), averaging just 7°C (45°F). Precipitation in February is lower at 93 mm (3.7 in) over the same number of rainy days, although humidity remains equal at 73%. For more insights on February's weather specifics, check out Jiujiang weather in February.
In comparing the weather patterns of September and March, it is evident that September tends to be warmer, with average temperatures reaching 26°C (78°F) and maximums of up to 35°C (96°F). In contrast, March experiences a much cooler average temperature of 13°C (56°F), with minimums dropping to 4°C (40°F). While September has a humidity level of 73% and experiences about 124 mm (4.9 in) of precipitation over 11 days, March demonstrates slightly higher humidity at 82% and more precipitation, totaling 165 mm (6.5 in) across 15 days. For a closer look at March weather in Jiujiang, you can explore more details here.
September and April present contrasting weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), with an average of 26°C (78°F). The month experiences 124 mm (4.9 in) of precipitation over 11 days, accompanied by a humidity level of 73%. Conversely, April sees cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 31°C (89°F), averaging at 18°C (65°F). Although April has higher precipitation, totaling 156 mm (6.1 in) over 13 days, it also has a higher humidity level of 86%. For more detailed information on weather patterns in April, you can visit Jiujiang weather in April.
In comparing the weather in September and May, September experiences warmer average temperatures, ranging from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), with an average of 26°C (78°F). Meanwhile, May tends to be slightly cooler, with temperatures ranging from a minimum of 14°C (57°F) to the same maximum of 35°C (95°F) and an average of 23°C (74°F). Precipitation is also a notable difference, with September receiving 124 mm (4.9 in) over 11 days, compared to May's higher total of 194 mm (7.6 in) over 14 days, indicating May is generally wetter. Additionally, the humidity is more pronounced in May at 86%, compared to September's 73%. For a detailed look at May weather conditions, check Jiujiang weather in May.
When comparing the weather in September to that of June, September tends to be slightly cooler with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), while June's temperatures are somewhat higher, starting at a minimum of 19°C (66°F) and peaking at 36°C (96°F). Additionally, June experiences significantly more rainfall, accumulating 293 mm (11.5 in) over 19 days compared to September's 124 mm (4.9 in) across 11 days. Humidity levels are also higher in June at 86%, compared to 73% in September, which contributes to the more oppressive feel of the earlier month. For more detailed information, you can also check Jiujiang weather in June.
When comparing the weather in September to that of July, notable differences emerge. September generally experiences milder temperatures, with a minimum of 17°C (62°F) and an average of 26°C (78°F), while July’s temperatures are warmer, featuring a minimum of 22°C (72°F) and an average of 29°C (85°F). July also sees more extreme highs, reaching up to 39°C (102°F), compared to September’s maximum of 35°C (96°F). In terms of precipitation, July is significantly wetter, recording 290 mm (11.4 in) over 16 days, compared to September's 124 mm (4.9 in) across 11 days, with higher humidity levels in July at 90% versus September's 73%. For more detailed weather specifics, you can check Jiujiang weather in July.
September weather shows a slight cooling trend compared to August, with minimum temperatures dropping from 22°C (72°F) in August to 17°C (62°F) in September. The average temperature remains warm in September at 26°C (78°F), but it is notably lower than August's average of 30°C (85°F). In terms of maximum temperatures, September peaks at 35°C (96°F), while August can reach up to 37°C (99°F). Additionally, September experiences slightly less precipitation, totaling 124 mm (4.9 in) over 11 days, compared to August's 151 mm (6.0 in) over 14 days. Humidity also declines from a high of 86% in August to 73% in September, making the latter month feel a bit more comfortable overall. For more details on August weather, you can check Jiujiang weather in August.
September and October present a notable shift in weather conditions. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), with an average temperature of 26°C (78°F). The month experiences relatively high precipitation, totaling 124 mm (4.9 in) over 11 days, while humidity remains consistent at 73%. In contrast, October introduces cooler temperatures, with a minimum of 10°C (51°F), an average of 19°C (66°F), and a peak of 35°C (95°F). Precipitation significantly decreases to 34 mm (1.4 in) across just 6 days, but humidity stays the same at 73%. For more detailed information on October weather, you can visit Jiujiang weather in October.
September and November showcase a dramatic shift in weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 35°C (96°F), with an average of 26°C (78°F), accompanied by a considerable amount of rainfall at 124 mm (4.9 in) over 11 days. The humidity levels are relatively high at 73%, contributing to the warm sensation.
In contrast, November features a much cooler climate, with temperatures dipping to a minimum of 4°C (40°F) and an average of 14°C (57°F), peaking at a maximum of 26°C (79°F). Rainfall decreases significantly to 46 mm (1.8 in) over just 9 days, and humidity edges up to 80%, creating a crisp but damp atmosphere. For more detailed information on November's weather conditions, visit Jiujiang weather in November.
September and December present stark contrasts in weather, highlighting the transition from late summer to winter. In September, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 35°C (96°F), accompanied by significant rainfall of 124 mm (4.9 in) over 11 days, creating a humid environment with an average humidity of 73%. In contrast, December ushers in chilly conditions, with temperatures dipping as low as -3°C (27°F) and only reaching a maximum of 20°C (68°F). Additionally, precipitation in December is much lower at 45 mm (1.8 in) over 8 days, and humidity rises slightly to 79%. For those interested in more specifics, you can check out this link for detailed information: Jiujiang weather in December.
As September rolls in, Jiujiang transforms into a month marked by a pleasant blend of warmth and humidity. Compared to the sweltering summer months, the weather starts to cool down, with average temperatures offering a more comfortable experience for residents and visitors alike. However, September also sees an increase in rainfall, bringing much-needed moisture and a refreshing atmosphere after the dry heat of summer. With an average humidity of 73%, those venturing out will find the air a bit thicker, reminding them of the lingering warmth. For a deeper dive into Jiujiang’s climatic patterns, check out Jiujiang Climate.