Last updated: August 21, 2025
In Baiyun, China, September presents a dynamic climate characterized by a maximum temperature peaking at 40°C (104°F) and a comfortable average of 26°C (79°F). As temperatures dip to a refreshing minimum of 15°C (60°F), residents and visitors experience a marked transition into autumn. However, this month also brings 91 mm (3.6 in) of precipitation over 13 days, contributing to a notable humidity level of 70%. Whether you're exploring the outdoors or enjoying local culture, September in Baiyun offers a blend of warmth and moisture that defines this vibrant season.
In September, temperatures in Baiyun, China, begin to shift as the lingering summer heat gives way to a more moderate autumn climate. The month features a minimum temperature of 15°C (60°F), paired with a pleasant average of 26°C (79°F), peaking at a sizzling 40°C (104°F). This notable high showcases the tail end of summer warmth, making September one of the last chances to experience the vibrant outdoor scenes before cooler weather sets in. As the month progresses, the triple digits of summer transition towards the mildness of autumn, hinting at the seasonal change that lies ahead. The overall pattern indicates a slow cooling trend from the oppressive highs of July and August, offering a more comfortable climate for exploration and leisure throughout the vibrant landscapes of Baiyun.
In September, Baiyun experiences a notable shift in precipitation patterns, accumulating 91 mm (3.6 in) of rainfall over 13 days. While this amount marks a decrease from the preceding months of August's 257 mm (10.1 in), it still contributes significantly to the region's overall wet season. The onset of autumn brings a respite from the intense summer rains, yet the frequency of rainy days remains relatively steady. This month serves as a transitional period, balancing the tail end of the monsoon season with a hint of drier conditions ahead, as the pattern shifts toward October's expected 50 mm (2.0 in). Such fluctuations highlight Baiyun's dynamic climate, where the interplay of seasonal changes shapes the local weather tapestry.
In Baiyun, China, September ushers in a notable shift in humidity, dropping to 70%, the lowest level recorded for the year. This decline marks a transition from the high summer months, where humidity consistently lingered around the 80% mark from May through August. The decreasing humidity in September not only provides a brief reprieve from the sticky warmth of summer but also sets the stage for a gradual return to the more moderate humidity levels of October and November, which hover closer to 73% and 77%, respectively. This trend highlights how Baiyun experiences a cyclical rhythm of moisture throughout the year, influencing both the climate and the seasonal activities of its residents.
In September, Baiyun, China, experiences a notable UV Index of 11, placing it in the extreme exposure category with a quick burn time of just 10 minutes. This slight decrease from the peak UV levels of 13 seen during the summer months indicates a gradual transition into the fall. However, caution is still advised, as the high UV intensity can lead to skin damage within mere moments of unprotected sun exposure. As the season shifts, sun seekers and outdoor enthusiasts should remain vigilant and apply adequate sun protection to enjoy Baiyun's outdoor charms safely. For more detailed information, visit the Baiyun UV Index.
UV Risk Categories
As summer fades into autumn, September in Baiyun, China, shines brightly with an impressive 278 hours of sunlight. This month’s sun-soaked days follow a summer peak, highlighted by July's record of 308 hours and August’s robust 296 hours. The gradual decline in daylight begins here, but September retains a vibrant glow, comfortably exceeding the sunlight hours seen in earlier months like January’s 183 hours and February’s 213 hours. Indeed, the trend showcases a gradual increase from the start of the year, peaking during the summer but holding onto warmth as that summer sun makes way for the crispness of October. As the seasons shift, September’s generous sunlight encourages outdoor activities and sets a perfect backdrop for the beautiful landscapes of Baiyun.
As September rolls around in Baiyun, China, the likelihood of enjoying sunny weather stands at 42%, marking a noticeable uptick from the summer months. After languishing at a dismal 4% in June and only 15% in August, September emerges as a more favorable time for sun-seekers, reminiscent of the early year months, particularly January’s 57%. This return to brighter skies suggests that while the sweltering heat of summer begins to fade, there’s an opportunity for pleasant, sunlit days before the cooler months set in. With a shift toward clearer weather, September proves to be a charming transitional month, inviting both locals and travelers to bask in the warmth of Baiyun’s late summer sun.
In Baiyun, China, the daylight duration follows a distinctive seasonal trend throughout the year. Starting from January with 10 hours of sunlight, the days gradually extend, peaking at a robust 13 hours from May to August. As summer gives way to autumn, daylight begins to wane, with September offering a comfortable 12 hours of light. Following this, the hours decrease again, tapering back to 10 hours by December. This rhythmic fluctuation showcases the dynamic interplay between the seasons, inviting residents and visitors alike to relish the abundance of daylight during the warmer months while preparing for the shorter days ahead.
As September envelops Baiyun, China, the wind gently whispers with an average speed of 1.3 m/s (3 mph), marking a subtle dip from the summer's breezes. This gradual decline is part of a broader trend where the wind hovers at lower speeds through the warmer months, peaking in October with a slight resurgence at 1.9 m/s (4 mph). The transition from summer to autumn sees the wind settle, creating a serene atmosphere that complements the changing foliage. Throughout the year, Baiyun experiences a rhythmic pattern, with winter months featuring modest winds that encourage a sense of calm, making September’s mild gusts a gentle prelude to the more invigorating winds of fall.
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 contrasting weather conditions. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 40°C (104°F), with an average of 26°C (79°F). This month typically sees 91 mm (3.6 inches) of precipitation spread over 13 days, along with humidity levels around 70%. In stark contrast, January experiences much cooler temperatures, with a minimum of -3°C (28°F), an average of 11°C (52°F), and a maximum of 29°C (85°F). The precipitation is considerably lower at 39 mm (1.6 inches) over just 5 days, and the humidity remains slightly higher at 73%. For a detailed look at January weather, you can check Baiyun weather in January.
September and February present striking contrasts in weather conditions. In September, temperatures soar with a minimum of 15°C (60°F) and can reach as high as 40°C (104°F), bringing an average of 26°C (79°F) along with high humidity levels at 70%. The month also experiences significant rainfall, totaling 91 mm (3.6 in) over approximately 13 days. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of -3°C (28°F) to a maximum of 29°C (85°F) and an average of 11°C (52°F). Although it is drier than September, February still sees 75 mm (3.0 in) of precipitation across 9 days, with slightly higher humidity at 73%. For more details on February weather, you can visit this link: Baiyun weather in February.
When comparing the weather in September and March, there are significant differences in temperature and precipitation. September boasts warmer temperatures, with a minimum of 15°C (60°F) and an average of 26°C (79°F), reaching highs of up to 40°C (104°F). In contrast, March is much cooler, featuring a minimum of 2°C (36°F) and an average of 15°C (59°F), with maximum temperatures around 31°C (89°F). Precipitation is more pronounced in March, totaling 144 mm (5.7 in) over 15 days, compared to September’s 91 mm (3.6 in) spread over 13 days. The humidity is slightly higher in March at 80%, versus 70% in September.
For more detailed information, you can check out Baiyun weather in March.
September and April showcase contrasting weather patterns, highlighting the transition between seasons. In September, temperatures can soar as high as 40°C (104°F) with an average of 26°C (79°F), while April presents milder conditions with a maximum of 32°C (91°F) and an average of 18°C (65°F). Both months experience substantial precipitation, with September registering 91 mm (3.6 in) over 13 days and April slightly higher at 116 mm (4.6 in) over 14 days. Additionally, September's humidity of 70% is lower compared to April's higher humidity level of 81%. For more details, you can check Baiyun weather in April.
When comparing the weather in September and May, notable differences emerge in temperature and precipitation. September typically presents warmer conditions, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 40°C (104°F), while May offers cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 36°C (98°F). Additionally, September experiences less rainfall, totaling 91 mm (3.6 in) over 13 days, compared to May's significantly higher 226 mm (8.9 in) spread over 19 days. The humidity levels also vary, with September at 70% and May higher at 85%. For more details on the weather conditions, you can check Baiyun weather in May.
September generally features warm temperatures, with a minimum of 15°C (60°F) and an average high of 26°C (79°F), occasionally reaching up to 40°C (104°F). Precipitation in September is relatively moderate at 91 mm (3.6 in) over approximately 13 days, with humidity averaging around 70%.
In contrast, June tends to be wetter, experiencing a significant amount of rainfall at 310 mm (12.2 in) across 20 days, along with higher humidity levels at 81%. The temperature range remains similar, with a minimum of 15°C (59°F) and an average high of 26°C (78°F), peaking at 37°C (98°F). For detailed weather insights, you can check Baiyun weather in June.
Overall, September offers a drier and slightly more comfortable climate compared to the more humid and rainier June conditions.
In comparing the weather patterns of September and July, it is evident that both months bring warm temperatures, but with some notable differences. September typically sees a minimum temperature of 15°C (60°F) and an average of 26°C (79°F), with a maximum reaching up to 40°C (104°F). In contrast, July starts off warmer with a minimum of 22°C (71°F) and an average of 28°C (83°F), peaking at 39°C (102°F).
Precipitation is another area where these months vary; September has 91 mm (3.6 in) of rain over 13 days, while July experiences a higher rainfall of 138 mm (5.4 in) across 16 days. Additionally, humidity levels are higher in July at 84%, compared to 70% in September. For a detailed overview of July’s weather, you can refer to Baiyun weather in July.
In comparing the weather between September and August, September tends to be slightly cooler with an average temperature of 26°C (79°F), while August features a warmer average of 27°C (82°F). The maximum temperature in September can reach a high of 40°C (104°F), slightly exceeding August's maximum of 38°C (101°F). However, August is significantly wetter, receiving 257 mm (10.1 in) of precipitation over 22 days, in contrast to September's 91 mm (3.6 in) across 13 days. Humidity levels are also higher in August at 82%, compared to 70% in September, which contributes to a more uncomfortable feeling during the latter part of summer. For further details, you can visit Baiyun weather in August.
September experiences warmer temperatures, with daily averages peaking at 26°C (79°F) and maximums soaring to 40°C (104°F). The month also brings about significant rainfall, totaling 91 mm (3.6 in) over 13 days, accompanied by a humidity level of 70%. Meanwhile, October sees a notable drop in temperatures, with averages cooling to 21°C (70°F) and maximums reaching 36°C (97°F). Precipitation decreases as well, down to 50 mm (2.0 in) over just 8 days, and humidity slightly rises to 73%. For more detailed insights, check out this link: Baiyun weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 40°C (104°F), with an average of 26°C (79°F). This month experiences considerable humidity at 70% and receives 91 mm (3.6 in) of precipitation over 13 days, making it a warm and somewhat rainy period. In contrast, November brings cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 31°C (89°F), averaging at 17°C (63°F). The month is drier, with only 66 mm (2.6 in) of precipitation over 8 days, and a higher humidity level of 77%. For more detailed information on November weather, visit Baiyun weather in November.
In September, the weather is markedly warmer with average temperatures around 26°C (79°F), reaching highs of up to 40°C (104°F), accompanied by significant humidity at 70%. This month also sees considerable rainfall, with 91 mm (3.6 in) of precipitation spread across 13 days. In contrast, December brings much cooler conditions, featuring an average temperature of 12°C (54°F) and maximums of 30°C (87°F). The precipitation decreases significantly to 27 mm (1.1 in), falling over just 5 days, while humidity rises slightly to 79%. For those interested in a more detailed look at December weather, visit Baiyun weather in December.
In September, Baiyun experiences a notable transition in its weather, marked by a blend of warmth and humidity that sets it apart from the preceding summer months. While daytime temperatures can soar up to a sweltering 40°C, the average cools down to a more comfortable 26°C, making it a perfect time for outdoor activities before the cooler autumn days arrive. However, this month also brings a significant amount of rainfall, with precipitation measured at 91 mm over approximately 13 days, contributing to the area’s lush greenery. The 70% humidity can make the air feel heavier, but it adds a refreshing quality to the evenings. For those curious about the broader climate trends, further insights can be found at Baiyun Climate.