Last updated: August 21, 2025
September in Baiyun, China, is characterized by warm temperatures and significant humidity. The temperature typically reaches a maximum of 32°C (90°F), with an average of 21°C (69°F), dropping to a minimum of 13°C (56°F) at night. This month also witnesses substantial rainfall, accumulating to 195 mm (7.7 in) over 19 days, contributing to a high average humidity of 84%. Expect a blend of sunny and rainy days, perfect for experiencing the lush, vibrant landscapes of Baiyun as summer transitions into autumn.
In September, Baiyun experiences a pleasant shift as summer transitions into autumn. The average temperature hovers around 21°C (69°F), providing a comfortable backdrop for outdoor activities. Mornings begin with a mild minimum of 13°C (56°F), while the afternoons can warm up nicely with maximum temperatures reaching 32°C (90°F). This blend of warm days and cooler evenings creates an inviting atmosphere, making September a great time to explore the natural beauty of the region. As the month progresses, the gradual decrease in nighttime temperatures signals the approach of cooler months, hinting at the beautiful autumn that lies ahead.
In September, Baiyun experiences a notable transition in precipitation patterns, with 195 mm (7.7 in) of rain falling over 19 days. This marks a decrease from the heavier summer months, yet it remains significant as the second half of the year unfolds. Following the peak rainfall in May and June, which both recorded 239 mm, September's precipitation reflects a gradual tapering trend in monsoon activity. The combination of ample rainfall and moderate days of precipitation establishes September as a pivotal month, bridging the humid summer months and the drier tendencies that will emerge in October and beyond. As the seasons shift, Baiyun's landscapes remain lush, nurturing the vibrant greenery cultivated during the wetter months.
As the summer months transition into autumn in Baiyun, China, September stands out with a humidity level of 84%. This figure reflects the tail end of the peak humidity season, which begins in June and reaches its highest point in August at 87%. Following this high, September marks a gradual decline in moisture content, mirroring a broader trend of decreasing humidity as the year progresses from the sweltering heights of summer towards the cooler, drier autumn months. Remarkably, despite this month’s slight drop, September still maintains relatively high humidity, indicating that the lingering warmth of summer continues to influence the region's climate. In the months to come, one can expect November to peak again at 86% before winter settles in, making humidity a consistent feature of Baiyun's climate throughout the year.
In September, Baiyun, China, experiences a UV Index of 10, categorizing it as very high. This marks a slight decline from the extreme levels seen in the peak summer months, yet caution is still advised with a burn time of just 15 minutes. This trend of elevated UV levels—peaking at 13 in July—indicates a lingering intensity as the region transitions into autumn. Notably, the UV Index remains stable into October, suggesting that sun protection tactics are still necessary for outdoor activities during this period. For further insights on UV exposure in Baiyun, check out Baiyun UV Index.
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September in Baiyun, China, brings a delightful retreat from the sweltering summer, as it enjoys a comfortable average of 212 sunlight hours. This month continues the gradual decline in daylight hours that typically begins after the height of summer in August, which boasts an impressive 309 hours. The sunshine starts to soften, creating a pleasant atmosphere perfect for outdoor activities. Looking back through the year, one can see a remarkable upward trend in sunlight from January's modest 97 hours to the peak in July, before September signifies the start of the transition into the cooler months. The abundance of light in these late summer days acts as a final flourish before the sun retreats for autumn.
In Baiyun, China, the likelihood of sunny weather experiences a notable uptick in September, boasting a 35% chance of sunshine. This increase contrasts sharply with the dreary earlier months, where the chances dip as low as 9% in April and 16% in March. Following the summer months, which hover around 22% to 26%, September serves as a refreshing transition into autumn, offering more favorable weather. This trend underscores the region's shift from the dampness of late summer to clearer, more vibrant skies as the month progresses, making it an ideal time for outdoor activities and exploration.
September in Baiyun, China, experiences a graceful transition as daylight begins to wane, offering approximately 12 hours of sunlight. This decrease follows the peak summer months, where daylight lingers for up to 13 hours in June, July, and August. As the year unfolds, the daylight duration gradually diminishes, starting from a robust 13 hours in the summer and easing down to 10 hours by December. This rhythm reflects the gentle shift from vibrant summer days to the cooler, shorter autumn months, allowing residents and visitors alike to enjoy the lingering warmth of early fall while gradually preparing for the more subdued light of winter.
As summer gently transitions into autumn, September in Baiyun, China, brings a noticeable increase in wind activity, with average wind speeds reaching 1.8 m/s (4 mph), the highest for the year. This subtle uptick from the previous months suggests a shift in atmospheric conditions, inviting a fresh breeze that invigorates the landscape. Interestingly, while wind speeds remain relatively low throughout the year, the gradual rise in September hints at the subtle dynamism of seasonal change. This invigorating gust serves as a gentle reminder of nature's rhythm, encouraging residents and visitors alike to savor the crisp air and the beauty of Baiyun's surroundings.
Weather in Baiyun varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Baiyun, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures range from a mild 13°C (56°F) to a warm 32°C (90°F), with an average of 21°C (69°F). The month also sees significant rainfall, with 195 mm (7.7 in) spread over 19 days, creating a humid environment with a humidity level of 84%. In comparison, January experiences much colder temperatures, with a minimum of -4°C (25°F) and a maximum of only 14°C (58°F), averaging around 4°C (40°F). This winter month is significantly drier, with just 50 mm (2.0 in) of precipitation over 12 days and a lower humidity of 72%. For more detailed insights, check the full Baiyun weather in January.
September and February present contrasting weather conditions. In September, temperatures are generally warmer, with averages around 21°C (69°F), while reaching a high of 32°C (90°F). This month sees considerable rainfall, totaling 195 mm (7.7 in) across 19 days, and is characterized by high humidity levels of 84%. In contrast, February experiences much cooler temperatures, with an average of only 6°C (43°F) and a maximum of 23°C (73°F). Precipitation is significantly lower at 63 mm (2.5 in) over 13 days, and humidity is somewhat lower at 76%. For more detailed climate insights, you can check Baiyun weather in February.
September generally experiences warmer temperatures compared to March, with average highs reaching up to 32°C (90°F) and lows of 13°C (56°F), while March sees milder conditions with an average maximum of 26°C (80°F) and a minimum of 3°C (37°F). Additionally, September tends to be rainier, receiving about 195 mm (7.7 inches) of precipitation over 19 days, in contrast to March's 135 mm (5.3 inches) over 20 days. Humidity levels are slightly higher in September at 84%, compared to 80% in March. For a detailed overview of the weather in March, you can refer to Baiyun weather in March.
September and April exhibit distinct differences in weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 32°C (90°F), with an average of 21°C (69°F). The month experiences significant rainfall, totaling 195 mm (7.7 in) over 19 days, contributing to a high humidity level of 84%. In contrast, April presents milder conditions, with temperatures ranging from 6°C (43°F) to 30°C (87°F) and an average of 15°C (60°F). Rainfall is lower at 135 mm (5.3 in), also spread across 19 days, and the humidity is slightly less at 77%. For more details about weather conditions, you can check Baiyun weather in April.
When comparing the weather in September and May, both months exhibit similar maximum temperatures, reaching up to 32°C (90°F). However, September shows a higher average temperature of 21°C (69°F), compared to May’s average of 19°C (66°F). Additionally, September tends to be slightly wetter, with 195 mm (7.7 in) of precipitation over 19 days, whereas May has 239 mm (9.4 in) of rain across 20 days. The humidity levels are comparable, with September at 84% and May at 82%. For more details about the weather in May, you can visit Baiyun weather in May.
In comparing the weather of September and June, we find that both months feature mild temperatures, with September's average at 21°C (69°F) and June's at 22°C (72°F). September sees slightly higher maximum temperatures, reaching up to 32°C (90°F), while June peaks at 31°C (89°F). However, June experiences more precipitation, totaling 239 mm (9.4 in) over 20 days compared to September's 195 mm (7.7 in) across 19 days. Interestingly, humidity levels are quite similar, with September at 84% and June at 85%. For a detailed look at weather patterns in June, you can explore Baiyun weather in June.
In comparing the weather of September to that of July, it’s evident that July is generally warmer with an average temperature of 25°C (77°F) compared to September's average of 21°C (69°F). Furthermore, July boasts hotter maximum temperatures, reaching up to 35°C (94°F), while September's maximum is slightly lower at 32°C (90°F). Both months experience considerable precipitation, with July receiving 224 mm (8.8 in) and September slightly less at 195 mm (7.7 in), and both months have rain on about 19 days. Humidity levels are similar, hovering around 84% in September and 85% in July, resulting in a muggy feel during both periods. For a detailed overview of July weather, you can visit Baiyun weather in July.
In comparing the weather between September and August, September typically experiences cooler temperatures, with a minimum of 13°C (56°F) and an average of 21°C (69°F), while August sees higher temperatures, starting at a minimum of 16°C (61°F) and averaging 25°C (78°F). The maximum temperatures in August can reach up to 36°C (97°F), significantly warmer than September's peak of 32°C (90°F). Additionally, September tends to be wetter, with 195 mm (7.7 in) of precipitation over 19 days compared to August's 159 mm (6.3 in) over 15 days. Humidity levels are also slightly lower in September at 84%, in contrast to August's 87%. For more detailed insights, you can check Baiyun weather in August.
September typically experiences warmer weather with an average temperature of 21°C (69°F) and highs reaching up to 32°C (90°F). However, this month also brings significant rainfall, totaling 195 mm (7.7 in) over 19 days, along with high humidity levels averaging 84%. In contrast, October sees a notable drop in temperatures, with an average of 15°C (59°F) and maximums around 30°C (87°F). While precipitation decreases to 141 mm (5.6 in) over 17 days, humidity remains relatively low at 81%. For more detailed information about the weather in October, you can visit Baiyun weather in October.
September weather is significantly warmer than November, with average temperatures ranging from a minimum of 13°C (56°F) to a maximum of 32°C (90°F), while November sees temperatures drop to a chilly minimum of 2°C (36°F) and a maximum of 21°C (71°F). September experiences higher precipitation levels, totaling 195 mm (7.7 in) over 19 rainy days, compared to November's 83 mm (3.3 in) spread over 13 days. Despite the cooler temperatures in November, the humidity remains relatively high at 86%, slightly above September's 84%. For more specific details, you can refer to Baiyun weather in November.
September and December exhibit stark contrasts in weather conditions. In September, temperatures range from a mild 13°C (56°F) at night to a hot 32°C (90°F) during the day, with an average of 21°C (69°F). This month is also characterized by significant rainfall, totaling 195 mm (7.7 inches) over 19 days, accompanied by high humidity at 84%. Conversely, December brings much cooler temperatures, with minimums dropping to -3°C (27°F) and a maximum of only 16°C (62°F), leading to an average of just 5°C (42°F). Rainfall is considerably less, measuring only 46 mm (1.8 inches) over 12 days, and humidity remains slightly lower at 81%. For more specific details on December weather, you can refer to Baiyun weather in December.
As September unfolds in Baiyun, the weather presents a unique blend of summer warmth and early autumn coolness. While temperatures remain relatively high, with a maximum that still flirts with the 30s, the average drops, inviting a refreshing change from the sweltering summer months. The increase in precipitation, characterized by almost half the month experiencing rainfall, adds a burst of life to the landscape, marking a stark contrast to the drier preceding months. Coupled with high humidity levels, September becomes a month of transformation, where the lush greenery of Baiyun thrives. For those curious about the broader climate patterns, explore more at Baiyun Climate.