Last updated: August 21, 2025
September in Baiyun, China, presents a warm yet humid atmosphere, with maximum temperatures reaching up to 38°C (100°F) and an average of 27°C (81°F). As the summer begins to transition into fall, the minimum temperature settles around 19°C (67°F), offering mild evenings. However, this month is also characterized by significant rainfall, with a total of 144 mm (5.7 in) spread over approximately 14 days, contributing to a humidity level of 78%. Visitors should be prepared for both the heat and the sporadic downpours while enjoying the vibrant landscapes of Baiyun.
As September rolls into Baiyun, China, the temperatures begin to reflect a subtle shift from the peak summer heat. With a minimum of 19°C (67°F) and an average temperature of 27°C (81°F), the month offers a pleasant warmth that encourages outdoor activities. Days can soar to a maximum of 38°C (100°F), keeping remnants of summer alive, yet there's a gradual cooling trend on the horizon as the region transitions into autumn. This month stands out as a transitional period, balancing the lingering warmth of summer while hinting at the refreshing coolness to come in October, making it an ideal time for visitors to enjoy the vibrant landscapes before the chill sets in.
In September, Baiyun, China experiences a substantial precipitation total of 144 mm (5.7 in), which marks a noticeable decrease from the peak of the summer months but still plays a crucial role in the region's climate. This month's rainfall is spread over 14 days, suggesting a pattern of intermittent showers rather than relentless downpours. Interestingly, September's totals highlight a steady decline from the summer's high of 248 mm in June and 227 mm in July, indicating that while the heavy rains of July and August begin to subside, the fall season is still characterized by significant moisture. This trend underscores a transitional period in Baiyun's weather, where the lush green landscapes from summer start preparing for the drier months ahead, yet retain enough rainfall to support the vibrant ecosystem typical of the region.
In September, Baiyun, China experiences a noticeable dip in humidity, averaging around 78%. This marks a significant decline from the peak summer months of July and August, where humidity levels soared to 91% and 88% respectively. Following a trend of increasing humidity from January through August, September offers a brief respite, hinting at the forthcoming transition into autumn. However, as the cooler months approach, humidity starts to stabilize around the 79% mark in October, suggesting that while the air is becoming drier, it remains relatively humid compared to earlier in the year. This gradual shift not only reflects the seasonal changes but also enhances the region's distinct climate character.
As summer fades and September rolls in, Baiyun, China, experiences a slightly lower yet still extreme UV Index of 11, translating to a burn time of just 10 minutes under direct sunlight. This continues the trend of heightened UV levels seen throughout the summer months, where the index consistently peaked at 12. With the UV Index gradually decreasing as autumn approaches—with October dropping to a very high index of 9—it's crucial for residents and visitors alike to remain vigilant about sun protection during this transition. For more details on the UV levels throughout the year, visit Baiyun UV Index.
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September in Baiyun, China, basks in a generous 263 hours of sunshine, showcasing a pleasant transition between the heat of summer and the coolness of autumn. This month continues the trend set by the vibrant summer months, notably July and August, which boast the highest sunshine totals of 287 and 309 hours, respectively. As the days shorten into fall, September's sunshine, while slightly decreased, still exceeds many other months, including the sun-drenched May with its 272 hours. With October following closely at 240 hours, it's clear that Baiyun enjoys a warm and inviting climate, making it an appealing destination for those seeking to soak up the sun in early autumn.
September in Baiyun, China, offers an improved chance of sunny weather, with a 43% likelihood of sunshine. This marks a notable increase from the summer months, where the chance drops dramatically to 10% in July and 14% in June. As the summer heat begins to wane, September stands out as a transitional month, positioning itself between the sultry summer and the cooler autumn. While not the sunniest month on record, it presents a refreshing opportunity for outdoor activities, especially when compared to the gloomier prospects of May and June. With similar percentages in November, September serves as a bridge to the clearer days ahead, making it a delightful time to enjoy Baiyun's natural beauty.
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 September unfolds in Baiyun, China, the average wind speed gently decreases to 2.6 m/s (6 mph), aligning it with the calmer breezes of late spring and early summer. Following a notable rise in July, where gusts reached 4.2 m/s (9 mph), September marks a transition towards the more serene winds typical of autumn. This trend reflects a consistent pattern through the year, where winter months often experience calmer conditions, such as January and February, both averaging around 3.0 m/s (7 mph). As the year progresses, the winds tend to vary, with peaks in the warmer months, but September's slight reduction showcases the hint of a seasonal shift, inviting a sense of tranquility as the vibrant landscapes prepare for the forthcoming cooler days.
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.
In September, the weather is characterized by warm temperatures, with a minimum of 19°C (67°F), an average of 27°C (81°F), and a maximum reaching up to 38°C (100°F). This month also sees considerable rainfall, with 144 mm (5.7 in) over about 14 days, resulting in a high humidity level of 78%.
In contrast, January brings a stark change, featuring colder temperatures that range from a minimum of -3°C (27°F) to an average of 9°C (49°F), and a maximum of 23°C (74°F). Precipitation drops significantly to 51 mm (2.0 in) over just 7 days, and humidity levels decrease to 68%. This shift from the warmth of September to the chill of January highlights the distinct seasonal differences in weather.
For more specific details about January conditions, you can check Baiyun weather in January.
September and February present strikingly different weather conditions. In September, the temperatures range from a mild 19°C (67°F) at night to a scorching maximum of 38°C (100°F) during the day, with an average temperature of 27°C (81°F). This month also experiences considerable rainfall, with 144 mm (5.7 in) over about 14 days, contributing to a high humidity level of 78%. In contrast, February offers a much cooler climate, with temperatures ranging from a chilly -1°C (31°F) at night to a comfortable 27°C (81°F) during the day, averaging around 10°C (50°F). Precipitation is significantly lower in February, totaling 54 mm (2.1 in) over about 8 days, and the humidity is slightly reduced at 73%. For more detailed information, visit Baiyun weather in February.
September and March exhibit strikingly different weather patterns. In September, temperatures are considerably warmer, with an average of 27°C (81°F) and highs reaching up to 38°C (100°F), while March sees a much cooler average of 14°C (57°F) and maximums of 29°C (85°F). September is marked by higher precipitation at 144 mm (5.7 in) over 14 days, compared to March's 110 mm (4.3 in) over 15 days. Moreover, humidity levels remain relatively similar, with September at 78% and March slightly higher at 80%. For more details, check out Baiyun weather in March.
September and April exhibit stark contrasts in weather. In September, temperatures begin to rise with a minimum of 19°C (67°F) and can peak at a scorching 38°C (100°F), resulting in an average of 27°C (81°F). This month also sees significant rainfall, with 144 mm (5.7 in) distributed over 14 days, and humidity levels resting at a steady 78%. In contrast, April presents milder conditions, with temperatures ranging from a cooler minimum of 8°C (47°F) to a maximum of 33°C (91°F), averaging 18°C (65°F). Although April has lower precipitation at 94 mm (3.7 in) over 12 days, humidity is slightly higher at 86%. For more details on April weather, you can check Baiyun weather in April.
When comparing the weather in September and May, it’s clear that both months offer distinct climates. September tends to be warmer, with average temperatures reaching 27°C (81°F) and highs soaring up to 38°C (100°F), while May has a cooler average of 23°C (73°F) and a maximum of 34°C (94°F). In terms of precipitation, May is wetter, receiving about 182 mm (7.2 in) over 13 days compared to September's 144 mm (5.7 in) over 14 days. Additionally, May has a higher humidity level at 88%, compared to September's 78%, making it feel more sultry. For more detailed information about May weather, you can visit Baiyun weather in May.
In comparing the weather of September and June, both months exhibit warm temperatures with minimal differences. September shows a slightly higher average temperature of 27°C (81°F) compared to June's 26°C (78°F), while the maximum temperatures remain quite similar at 38°C (100°F) in September and 37°C (99°F) in June. However, June experiences significantly more rainfall, recording 248 mm (9.8 in) over 19 days, compared to September's 144 mm (5.7 in) across 14 days. Additionally, humidity levels are higher in June at 89%, compared to September's 78%. For a detailed look at the weather specifics in June, you can visit Baiyun weather in June.
When comparing the weather in September to July, we notice that September experiences slightly cooler temperatures, with an average of 27°C (81°F) compared to July’s average of 29°C (85°F). The maximum temperature in September can reach 38°C (100°F), just marginally lower than July's peak of 39°C (102°F). However, July is characterized by higher humidity at 91% and significantly more precipitation, amounting to 227 mm (8.9 in) over 16 days, versus September's 144 mm (5.7 in) of rain over 14 days. This results in July feeling more stifling and wet as opposed to the relatively drier conditions in September. For more detailed information, you can check out Baiyun weather in July.
In comparing the weather between August and September, we see a notable decrease in temperature and humidity levels. September experiences a minimum temperature of 19°C (67°F) and an average of 27°C (81°F), while August is warmer with a minimum of 24°C (75°F) and an average of 30°C (86°F). The maximum temperatures are quite similar, with September reaching up to 38°C (100°F) and August peaking at 39°C (102°F). However, September also sees less precipitation with 144 mm (5.7 in) over 14 days, compared to August's 190 mm (7.5 in) over 20 days. Additionally, humidity is lower in September at 78% compared to August's higher 88%. For more detailed information, you can check Baiyun weather in August.
In September, the weather is generally warmer, with average temperatures reaching 27°C (81°F) and maximum highs climbing to 38°C (100°F). The month sees significant rainfall, totaling 144 mm (5.7 in) over 14 days, accompanied by high humidity levels at 78%. In contrast, October brings a noticeable drop in temperature, with averages around 22°C (71°F) and maximums of 35°C (96°F). While October still experiences some rain, it amounts to 124 mm (4.9 in) over only 7 days, and humidity remains similar at 79%. For more details, check out Baiyun weather in October.
September and November present quite different weather patterns. In September, the temperatures range from a minimum of 19°C (67°F) to a maximum of 38°C (100°F), with an average temperature of 27°C (81°F). The month experiences significant rainfall, totaling 144 mm (5.7 in) over 14 days, accompanied by high humidity at 78%. In contrast, November brings a noticeable drop in temperatures, with a minimum of 6°C (44°F) and a maximum of 30°C (85°F), averaging 17°C (62°F). Precipitation also decreases to 71 mm (2.8 in) over just 9 days, while humidity remains relatively consistent at 80%. For more specific details on November weather, you can check Baiyun weather in November.
September and December present dramatically different weather patterns. In September, temperatures can soar with a minimum of 19°C (67°F) and maximum highs reaching up to 38°C (100°F), resulting in an average temperature of 27°C (81°F). This month also experiences substantial rainfall, with 144 mm (5.7 in) of precipitation spread over 14 days, alongside high humidity levels of 78%.
In contrast, December showcases a cooler climate, with temperatures ranging from a chilly -1°C (31°F) to a moderate maximum of 24°C (75°F), yielding an average of 11°C (52°F). Rainfall is significantly reduced, totaling 45 mm (1.8 in) across only 8 days, while humidity remains high at 80%. For more information, you can explore Baiyun weather in December.
As September rolls into Baiyun, it's a month of transition marked by a noticeable shift in weather patterns. Temperatures often peak at sweltering highs, yet the average remains mild, offering a balance that eschews the scorching heat of summer. The increased humidity combined with significant rainfall transforms the landscape, resulting in a lush vibrancy that sets September apart from the drier months of July and August. Although rain might frequent the days, the refreshing change from the summer's relentless sun creates a unique charm in Baiyun this time of year. For more insights on how Baiyun's weather evolves throughout the year, visit Baiyun Climate.