Last updated: August 21, 2025
In Baiyun, China, September brings a warm climate with maximum temperatures reaching up to 36°C (97°F) and an average of 23°C (74°F). Nighttime offers a cooler reprieve, with minimum temperatures around 14°C (58°F). This month witnesses a notable 119 mm (4.7 in) of rainfall over 13 days, contributing to a 70% humidity level that often enhances the feeling of warmth. Visitors can expect a mix of sunny days and occasional showers, making September a month of dynamic weather in this vibrant region.
In September, Baiyun, China, basks in a refreshing transition from the sweltering summer months, showcasing a notable shift in temperatures. The minimum temperature rises to a comfortable 14°C (58°F), while the average settles at a pleasant 23°C (74°F). As the days warm up, the maximum temperature can reach an impressive 36°C (97°F), indicating lingering summer warmth. This month marks a distinct departure from the peak heat of July and August, making it an ideal time for outdoor activities as the climate becomes more moderate. With a perfect blend of warmth and cool evenings, September in Baiyun invites residents and visitors alike to enjoy the changing season.
In September, Baiyun experiences a noteworthy shift in its precipitation patterns, receiving 119 mm (4.7 in) of rainfall over the course of 13 days. This month marks a decline from the peak of the summer rains, with September's totals notably lower than the preceding months of June, July, and August. It also stands out from the wetter months of spring, where totals surged above the 140 mm mark. The gentle decline in precipitation not only signifies the transition into autumn but also hints at the beginning of a drier season ahead, with October and November forecasted to receive significantly less rainfall. Overall, September serves as a bridge between the lush summer months and the drier fall, offering a balance that gradually prepares the region for the cooler, less humid months to come.
In Baiyun, China, September marks a notable shift in humidity levels, dipping to 70% after months of elevated moisture. This decline follows a summer peak, where July records an all-time high of 89%, contributing to the region's warm, muggy atmosphere. As autumn approaches, humidity levels begin to stabilize, with October rising slightly to 72%. Throughout the spring and summer months, the area's consistent humidity, hovering around the 86%-87% range, creates a lush environment, but September's decrease signals a transition into cooler, dryer conditions, setting the stage for the autumn months ahead.
As summer fades into September in Baiyun, China, the UV Index drops to 10, signaling a transition from the extreme levels experienced in July and August. Though still categorized as very high, this slight decline means that outdoor enthusiasts should still take precautions, with a burn time of just 15 minutes. Notably, the trend reveals a gradual decrease in UV intensity as the year progresses, from the summer's peak of 12 down to a more manageable index in the fall. However, vigilance remains essential, as the UV Index fluctuates markedly throughout the year, ensuring that sun safety measures remain a priority for residents and visitors alike. For more detailed insights, visit Baiyun UV Index.
UV Risk Categories
September brings a delightful transition in Baiyun, China, with 243 hours of sunshine, marking a notable dip from the summer peak of 302 hours in August. This month gracefully blends the lingering warmth of summer with the cooler hints of autumn, offering a comfortable climate for outdoor activities. As the year progresses, the sunlight steadily decreases, descending to 198 hours in October, emphasizing the shift towards the cooler months. In this vibrant season, Baiyun thrives under a golden sun, creating perfect moments for exploration and connection with nature.
As September rolls into Baiyun, the chance of sunny weather rises noticeably to 54%, making it one of the sunniest months of the year alongside December. This month marks a shift in the seasonal pattern, as the likelihood of sunshine begins to climb after the summer, which has seen relatively lower chances around the mid-20s. Contrasting sharply with the spring months, where the sun shines less frequently, September is an enticing time for those looking to enjoy the outdoors. With the lingering warmth of summer and an increase in sunny days, it’s no wonder that September is celebrated as an ideal month to experience the beauty of Baiyun.
In Baiyun, China, the rhythm of daylight throughout the year brings a captivating shift, peaking in the summer months. September, with its 12 hours of sunlight, marks a gentle transition from the abundant brightness of July and August, which enjoy 13 hours each. As autumn begins to unfurl, this slight decrease signals the approach of shorter days ahead. The gradual decline continues into October and November, culminating in the 10 hours of daylight typical of winter months. The progression from 11 hours in February to 14 hours in June, and finally to September’s warm embrace of light illustrates a clear cycle of abundance followed by a cozy retreat into the season of rest. Each month crafts its unique ambiance against the backdrop of nature's evolving canvas.
As the September wind sweeps through Baiyun, China, it dances gently at an average speed of 1.9 m/s (4 mph), mirroring the mellow breezes of earlier months. This slight uptick from the summer’s 1.8 m/s provides a refreshing shift, heralding the transition into autumn. Looking back, the year’s wind patterns reveal remarkable stability, with most months hovering around the 4 mph mark. Notably, October brings a notable increase to 2.5 m/s (6 mph), suggesting a brisker feel as the season deepens. Overall, September captures this essence of calm before the invigorating gusts of fall, inviting both residents and visitors to enjoy the gentle embrace of nature.
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, temperatures soar with a minimum of 14°C (58°F), averaging 23°C (74°F), and peaking at a high of 36°C (97°F). This month also experiences considerable precipitation, totaling 119 mm (4.7 in) over 13 days, with humidity lingering around 70%. In contrast, January brings a stark chill, with a minimum temperature plummeting to -8°C (18°F) and an average high of just 5°C (41°F), reaching a maximum of 19°C (67°F). Precipitation decreases to 57 mm (2.2 in) spread over only 7 days, and humidity remains relatively constant at 71%. For more details on January weather, visit Baiyun weather in January.
September and February showcase contrasting weather patterns. September typically experiences milder temperatures ranging from a minimum of 14°C (58°F) to a scorching maximum of 36°C (97°F), while averaging around 23°C (74°F). In contrast, February brings much colder conditions, with temperatures plummeting to a minimum of -4°C (24°F) and only reaching a maximum of 27°C (80°F), averaging 7°C (44°F). Precipitation is more prevalent in September, totaling 119 mm (4.7 in) over 13 days, compared to February's 60 mm (2.3 in) over 12 days. Humidity levels remain relatively high in both months, with September at 70% and February slightly higher at 75%. For more details on February weather specifically, check out Baiyun weather in February.
Comparing the weather in September and March reveals distinct contrasts. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 36°C (97°F), accompanied by an average of 23°C (74°F). The month experiences significant rainfall, with 119 mm (4.7 in) spread over 13 days, resulting in a humidity level of 70%. In contrast, March sees cooler conditions, with temperatures dipping to a minimum of 2°C (36°F) and peaking at 29°C (84°F), averaging 12°C (54°F). While March also has rainfall, totaling 104 mm (4.1 in) over the same number of days, it is characterized by higher humidity at 86%. For a detailed overview of weather specifics in March, you can visit Baiyun weather in March.
September and April showcase contrasting weather patterns. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 36°C (97°F), with an average of 23°C (74°F). The month experiences significant rainfall, accumulating 119 mm (4.7 in) over 13 days, accompanied by a humidity level of 70%. In contrast, April is cooler, with temperatures varying from a low of 6°C (42°F) to a high of 31°C (89°F), and an average of 17°C (62°F). It also sees slightly more rainfall, reaching 140 mm (5.5 in) over the same number of rainy days, but with higher humidity at 86%. For a more detailed look, you can visit Baiyun weather in April.
In comparing the weather between September and May, we see distinct differences in both temperature and precipitation. September typically boasts warmer temperatures with a minimum of 14°C (58°F) and an average of 23°C (74°F), reaching a maximum of 36°C (97°F). In contrast, May starts slightly cooler, with a minimum of 11°C (52°F) and an average of 21°C (70°F), peaking at 34°C (94°F).
Moreover, May experiences higher precipitation levels, with 180 mm (7.1 in) of rain over 14 days, compared to September's 119 mm (4.7 in) over 13 days. The humidity levels also differ, as May tends to be more humid at 86% compared to September’s 70%. For a more detailed look at May's weather in Baiyun, you can check this link: Baiyun weather in May.
In September, the weather tends to be warmer with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 36°C (97°F). This month sees about 119 mm (4.7 in) of precipitation over approximately 13 days, accompanied by a moderate humidity level of 70%. In contrast, June experiences slightly cooler temperatures, with a minimum of 16°C (60°F) and an average of 25°C (77°F), while peaking at 35°C (95°F). However, it is considerably wetter, averaging 207 mm (8.2 in) of rainfall over 16 days and higher humidity at 87%. For a detailed look at June's weather conditions, you can refer to Baiyun weather in June.
When comparing the weather in September to that of July, we see notable differences. September tends to have milder temperatures, with a minimum of 14°C (58°F) and an average of 23°C (74°F), while July is warmer, with a minimum of 19°C (67°F) and an average of 27°C (81°F). The maximum temperature in July reaches up to 37°C (99°F), slightly higher than September's maximum of 36°C (97°F). Furthermore, July experiences more precipitation, averaging 190 mm (7.5 in) over 18 days, compared to September's 119 mm (4.7 in) over 13 days. The humidity is also higher in July at 89%, while September's humidity stands at a more comfortable 70%. For a detailed look at July's weather conditions, you can check Baiyun weather in July.
In comparing the weather of September to August, September presents a slight drop in average temperatures, with a minimum of 14°C (58°F) and an average of 23°C (74°F), while August enjoys warmer conditions, starting at a minimum of 19°C (66°F) and averaging 28°C (82°F). August also sees a higher maximum temperature of 37°C (99°F) compared to September's peak of 36°C (97°F). Precipitation is notably greater in August, totaling 185 mm (7.3 in) over 18 days, while September experiences 119 mm (4.7 in) with rain on 13 days. Additionally, humidity is higher in August at 86%, compared to September's more comfortable 70%. For more details specifically about August, you can check Baiyun weather in August.
September and October present noticeable shifts in weather patterns. In September, temperatures range from a minimum of 14°C (58°F) to a scorching maximum of 36°C (97°F), with an average of 23°C (74°F). The month is characterized by higher precipitation levels, totaling 119 mm (4.7 in) over 13 days, paired with a humidity level of 70%. In contrast, October sees a drop in temperatures, with a minimum of 8°C (47°F), an average of 17°C (63°F), and a maximum of 34°C (94°F). Precipitation also decreases to 75 mm (2.9 in) over 10 days, while humidity rises slightly to 72%. For more detailed insights on October weather, visit Baiyun weather in October.
September typically offers warmer weather compared to November, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 36°C (97°F) and an average of 23°C (74°F). It is also characterized by higher humidity levels at 70% and significant rainfall, averaging 119 mm (4.7 in) over 13 days. In contrast, November sees much cooler temperatures, with a minimum of 3°C (37°F), an average of 12°C (55°F), and a maximum of 26°C (79°F). Precipitation decreases to 57 mm (2.2 in) over 9 days, and humidity rises slightly to 82%. For more detailed insights on November weather, check out Baiyun weather in November.
September and December present stark contrasts in weather. In September, temperatures range from a minimum of 14°C (58°F) to a sweltering maximum of 36°C (97°F), with an average temperature of 23°C (74°F). The month experiences substantial precipitation, totaling 119 mm (4.7 in) over approximately 13 days, combined with a humidity level of 70%. In contrast, December brings much cooler temperatures, with a minimum of -3°C (26°F), an average of 7°C (44°F), and a maximum of 19°C (66°F). Precipitation is significantly lower in December at 33 mm (1.3 in) spread over just 7 days, while humidity rises slightly to 76%. For more detailed weather information, you can check Baiyun weather in December.
As September settles in Baiyun, the weather showcases a distinct transition, moving from the peak summer heat to a more temperate climate. With warm maximum temperatures and a comfortably cool average, September offers a respite from the sweltering days of summer. However, it also introduces an increased likelihood of rain, with more precipitation days than usual, creating a lush atmosphere. The 70% humidity can make the air feel a bit heavy, but this blend of warmth and moisture contributes to the vibrant landscapes characteristic of autumn. For a deeper dive into Baiyun's climate trends, check out Baiyun Climate.