Last updated: August 21, 2025
In September, Guiyang experiences a vibrant transition as temperatures reach a maximum of 36°C (97°F) with an average of 24°C (76°F), providing warm yet comfortable days. However, cooler evenings can drop to a minimum of 13°C (56°F), inviting a refreshing contrast. The month is characterized by moderate rainfall, accumulating around 119 mm (4.7 in) over 13 days, making it a time for lush greenery and vibrant landscapes. With humidity levels hovering around 70%, the air feels pleasantly warm, perfect for exploring the rich cultural and natural wonders of this scenic city.
As September rolls into Guiyang, China, temperatures begin to cool from the scorching summer heat, yet still exhibit a delightful warmth. With average lows of 13°C (56°F) and highs reaching 36°C (97°F), this month strikes a balance between the lingering summer vibes and the coming autumn chill. The average temperature hovers around 24°C (76°F), providing a pleasant backdrop for outdoor activities. As the days start shifting towards cooler evenings, visitors can enjoy the vibrant cultural scene without the oppressive heat of July and August, making September a truly inviting time to explore the city.
In September, Guiyang experiences a moderate level of precipitation, with 119 mm (4.7 in) of rain falling across 13 days. This amount marks a notable decline from the heavy downpours of the summer months, particularly August’s peak of 240 mm and a corresponding 22 rainy days. While September’s rainfall is less intense, it still contributes to the overall trend of a wet season in Guiyang, which sees significant precipitation during the summer months followed by a gradual tapering into the drier autumn. As the city transitions into October, the precipitation amount decreases further to 44 mm, suggesting a shift in weather patterns that precedes the dry winter months.
In September, humidity in Guiyang, China experiences a notable dip to 70%, marking it as a transition month as the region shifts from the humid summer months. This decrease is significant when compared to the preceding months of July and August, which maintains higher humidity levels of 84% and 82%, respectively. The trend showcases a gradual decline in humidity from the peak levels of 85% in May, suggesting the onset of autumn. After September, humidity rises again in October to 73%, indicating a return to the seasonal norm as temperatures cool. Overall, September stands out as a brief respite from the peak humidity experienced earlier in the summer, providing a refreshing change as the seasons shift.
In September, Guiyang, China, experiences a UV Index of 12, categorizing it as extreme with a burn time of just 10 minutes. This trend follows a summer of consistently high UV levels, with July and August also peaking at 13, indicating a period where sun safety is critical. As we transition into autumn, the UV Index slightly dips, yet the risk remains significant, underscoring the importance of taking precautions. With UV levels being relatively high throughout the year, it’s vital for residents and visitors alike to stay informed and protected. For more details, check out the Guiyang UV Index.
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As September unfolds in Guiyang, China, the city basks in a delightful 279 hours of sunshine, continuing a trend of brightening days as summer transitions into autumn. This month marks a slight dip from the sun-soaked 306 hours in July, yet still stands strong compared to the earlier months of the year. With light peaking in May and June, and gradually adjusting from the summer's peak, September provides a perfect balance of warmth and sunlight, inviting residents and visitors alike to enjoy the outdoors before the cooler months set in. As the autumn chill approaches, the lingering rays of sunshine serve as a beautiful reminder of the vibrant summer days, setting the stage for a stunning seasonal transition.
In Guiyang, China, the chances of enjoying sunny weather in September stand impressively at 45%, making it one of the more favorable months for sunshine in the region. As summer transitions into autumn, September offers a refreshing change, with a noticeably higher likelihood of clear skies compared to the preceding months of June and July, which see their chances plummet to 4% and 23%, respectively. While May struggles with only a 13% chance, the conditions begin to improve as the month progresses. This resurgence of sun during September heralds a vibrant shift in the weather, making it an ideal time for outdoor activities amidst the beautiful backdrop of autumn foliage.
As September arrives in Guiyang, China, the city experiences a comforting transition in daylight duration. With 12 hours of daylight, September marks a continuation of the summer glow seen in the previous months, providing a perfect balance between light and darkness as the year begins to turn. Unlike the extended daylight of May through July, this month signals a gentle shift toward the shorter days of October, where daylight will dip to 11 hours. The consistent daylight of September serves as a serene bridge between the vibrant summer and the cooler autumn days ahead, maintaining a rhythm that enhances the beauty of the surrounding landscapes.
As summer transitions into fall in Guiyang, China, September brings a gentle shift in the wind. With an average speed of only 1.3 m/s (3 mph), the breezes become notably calmer compared to the previous months, where wind speeds hovered around 1.5 to 1.8 m/s (3-4 mph). This mellow wind mirrors the softening of the season, providing a serene backdrop as leaves begin to change. Interestingly, September marks a dip in wind intensity, a trend that suggests the onset of cooler, more tranquil days, which will soon lead into the brisker breezes of October. Embracing the calm of September's winds offers a delightful contrast to the vibrant energy of summer, inviting residents and visitors alike to revel in the peaceful atmosphere of early autumn.
Weather in Guiyang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Guiyang, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present distinct contrasts in weather patterns. In September, temperatures range dramatically from a minimum of 13°C (56°F) to a maximum of 36°C (97°F), with an average of 24°C (76°F). This month also sees considerable rainfall, with 119 mm (4.7 in) of precipitation over 13 days, creating a humid atmosphere with a humidity level of 70%. In stark contrast, January features much colder temperatures, with a minimum of -3°C (26°F) and a maximum of 26°C (78°F), averaging around 10°C (51°F). Precipitation is significantly lower, at 37 mm (1.5 in) over just 5 days, while humidity remains relatively high at 73%. For more details on the climate in January, check out Guiyang weather in January.
September and February showcase stark contrasts in weather patterns. In September, temperatures can soar to a maximum of 36°C (97°F), with an average temperature around a warm 24°C (76°F), while February experiences much cooler conditions, peaking at 26°C (80°F) and averaging just 11°C (52°F). Precipitation also differs significantly; September sees 119 mm (4.7 in) spread over 13 days, whereas February has a lighter rainfall of 65 mm (2.6 in) over 8 days. Humidity levels are relatively similar, with September at 70% and February slightly higher at 73%. For a deeper insight into what to expect, you can check the Guiyang weather in February.
September and March present distinct contrasts in weather patterns. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 36°C (97°F), with an average temperature of 24°C (76°F). The month experiences significant rainfall, totaling 119 mm (4.7 in) over 13 days, and humidity levels hover around 70%. In contrast, March typically sees cooler temperatures, ranging from a chilly 0°C (32°F) to a warmer 29°C (84°F), with an average of 15°C (59°F). Despite slightly higher precipitation at 136 mm (5.4 in) over 15 days and increased humidity at 80%, March’s overall climate feels much fresher compared to the heat of September. For more information on March weather, visit Guiyang weather in March.
September and April exhibit distinct weather patterns. In September, temperatures range more widely, with a minimum of 13°C (56°F) and a maximum reaching up to 36°C (97°F), making it considerably warmer overall compared to April, where the temperatures fluctuate between a cooler 3°C (38°F) and a maximum of 31°C (87°F). Both months see a similar amount of precipitation, with September recording 119 mm (4.7 in) over approximately 13 days and April slightly trailing at 114 mm (4.5 in) with rain on 15 days. Humidity levels are also higher in April at 81%, compared to September's 70%, contributing to a more humid feel during the spring month. For a detailed look at April conditions, you can check out Guiyang weather in April.
September and May present contrasting weather patterns. In September, temperatures are generally warmer, with average highs reaching 36°C (97°F) compared to May's peak of 34°C (93°F). However, May experiences significantly higher precipitation, with 214 mm (8.4 in) falling over 20 days, leading to a more humid environment at 85%, compared to September's 119 mm (4.7 in) over 13 days and 70% humidity. These differences create a shift in the overall climate feel of each month, making September hotter but less rainy than May. For those interested in May weather specifically, you can find more details here: Guiyang weather in May.
September and June in Guiyang present a transition in weather, with both months sharing a similar average temperature of 24°C (76°F). However, September generally experiences milder conditions, with a minimum temperature of 13°C (56°F) compared to June's 16°C (61°F). The maximum temperatures are also slightly higher in September, reaching up to 36°C (97°F), while June maxes out at 35°C (95°F). In terms of precipitation, June is significantly wetter, receiving 279 mm (11.0 in) over 20 days, whereas September has only 119 mm (4.7 in) over 13 days. Moreover, the humidity is higher in June at 81%, compared to September's 70%. For further details, you can explore Guiyang weather in June.
In comparing the weather of September and July, we can see some notable differences. September tends to have a lower minimum temperature of 13°C (56°F) compared to July's 20°C (68°F), making it feel cooler at night. The average temperatures are also slightly lower in September at 24°C (76°F) than July's average of 26°C (79°F). However, both months can experience maximum temperatures peaking at 36°C (96°F in July, 97°F in September).
Regarding precipitation, September has 119 mm (4.7 in) over 13 days, which is somewhat less than July's 146 mm (5.8 in) over 17 days, indicating that July is generally wetter. Additionally, July's higher humidity at 84% compared to September's 70% contributes to a more muggy feel during the summer month. For more details on July weather, you can visit Guiyang weather in July.
In comparing the weather between August and September, it's evident that September experiences slightly cooler temperatures, with an average of 24°C (76°F) compared to August's 26°C (78°F). While the maximum temperature in September can reach 36°C (97°F), August often hovers around 35°C (95°F). Notably, September is characterized by less precipitation, totaling 119 mm (4.7 in) over 13 days, in stark contrast to August's heavier rainfall of 240 mm (9.4 in) across 22 days. Additionally, humidity levels in September average around 70%, lower than August's 82%. For a more detailed overview of August's weather patterns, you can check Guiyang weather in August.
September and October present a notable shift in weather patterns. In September, temperatures generally range from a minimum of 13°C (56°F) to a maximum of 36°C (97°F), with an average of 24°C (76°F). This month experiences considerable rainfall, with 119 mm (4.7 in) falling across 13 days, alongside a humidity level of 70%. In contrast, October sees a drop in temperature, with minimums of 8°C (47°F) and maximums of 34°C (94°F), averaging 20°C (68°F). Precipitation decreases significantly to 44 mm (1.7 in) over 8 days, and humidity remains slightly elevated at 73%. For more details about the weather during this month, visit Guiyang weather in October.
September and November exhibit contrasting weather patterns. September features warmer temperatures, with a minimum of 13°C (56°F) and an average high of 36°C (97°F), making it significantly hotter than November, which has a minimum of 3°C (38°F) and an average high of 28°C (82°F). Additionally, September is marked by higher precipitation levels, totaling 119 mm (4.7 in) over 13 days, while November experiences a more moderate 53 mm (2.1 in) across only 8 days. Interestingly, humidity remains relatively high in both months, with November showing a slightly increased level at 77% compared to September's 70%. For more details on November's weather, visit Guiyang weather in November.
September and December showcase a stark contrast in weather conditions. In September, temperatures range from a mild 13°C (56°F) at night to a sweltering max of 36°C (97°F) during the day, with an average of 24°C (76°F). This month also sees significant rainfall, with 119 mm (4.7 in) of precipitation over 13 days, all while maintaining a humidity level of 70%. In contrast, December experiences much cooler temperatures, dropping to a chilly minimum of -1°C (30°F) and an average of 11°C (52°F), peaking at 27°C (80°F). The precipitation is markedly lower, with only 25 mm (1.0 in) over just 5 days, and humidity rises slightly to 79%. For more insights into the weather specifics, check out Guiyang weather in December.
As September rolls into Guiyang, the weather begins to shift noticeably from the sweltering summer heat, offering a more temperate climate that is both inviting and refreshing. While the days can still reach warm temperatures, the average cools down significantly, making outdoor activities more enjoyable. Increased precipitation marks this month, with rain nurturing the lush landscapes, though it also brings a higher level of humidity. This blend of warmth and moisture sets September apart, as the city transitions towards the cooler autumn months, making it a delightful time for travelers and residents alike. For a more detailed overview, check out the full Guiyang Climate resource.