Last updated: August 21, 2025
In September, Xichang, China, experiences a dynamic climate, with maximum temperatures reaching up to 35°C (95°F) and an average of 24°C (76°F). Nights cool down to a comfortable minimum of 13°C (56°F), making the weather quite pleasant overall. However, this month is also marked by significant rainfall, with a total precipitation of 112 mm (4.4 in) over 11 days, contributing to a humidity level of 79%. Visitors can expect a blend of warm days and cooler evenings, punctuated by occasional showers that enrich the region's natural beauty.
In Xichang, China, September marks a delightful transition as summer begins to wane. With minimum temperatures averaging around 13°C (56°F) and maximums soaring to 35°C (95°F), the month offers a perfect blend of warmth and refreshing breezes. The average temperature settles at a comfortable 24°C (76°F), making it an ideal time for outdoor exploration. Compared to the scorching highs of July and August, September welcomes slightly cooler nights, inviting cozy evenings beneath the stars. As the month progresses, the shift hints at the approaching autumn, where the vibrant landscapes blossom in new hues, making it a particularly picturesque time to visit.
In September, Xichang experiences a notable shift in weather patterns, as the region records 112 mm (4.4 in) of precipitation over 11 days. This marks a decrease from the more intense rainfall seen in the summer months, particularly July, which boasts a staggering 251 mm (9.9 in). Despite this reduction, September still upholds a respectable amount of rainfall, supporting the area's lush landscapes. As the month transitions into autumn, the frequency and intensity of downpours gradually diminish, setting the stage for the drier conditions that characterize October and the following months. Overall, September strikes a balance, offering substantial moisture while hinting at the approaching seasonal change.
In September, Xichang experiences a notable drop in humidity, settling at 79% after the sweltering summer months of July and August, which recorded peaks of 95% and 92% respectively. This decline signals a transition towards the drier autumn months, as humidity levels gradually decrease further into the fall, with October and November seeing slight reductions to 76% and 77%. The humidity trend throughout the year showcases a clear seasonal pattern where late spring and the height of summer bring elevated moisture levels, followed by a refreshing shift as cooler temperatures approach in the latter part of the year. This makes September a refreshing reprieve, offering a balanced climate before the dry season fully sets in.
As September unfolds in Xichang, China, the UV Index remains notably high at 10, categorizing the level of sun exposure as very high. This marks a continuation of the extreme conditions experienced in the preceding months of July and August, which peaked at an index of 11. Fortunately, the burn time increases back to 15 minutes, allowing for a bit more outdoor enjoyment without immediate risk of skin damage. This trend of high UV exposure extends from spring through early autumn, highlighting the importance of sun protection throughout these months. For more insights and real-time updates on UV levels, be sure to check out the Xichang UV Index.
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As September unfolds in Xichang, China, the city basks in 265 hours of radiant sunshine, marking a gentle decline from the sun-soaked heights of August with 305 hours. This transitional month showcases a vibrant tapestry of weather patterns, while still enjoying ample sunlight as summer wanes. Notably, the consistency of sunny days remains strong, reflecting Xichang’s overall trend of increasing sunshine hours from January through May. Each subsequent month, particularly from April to August, builds towards that peak, but even as autumn approaches, September still holds onto a satisfying reservoir of warmth and light. As the seasons shift, the sun-drenched days serve as a beautiful reminder of summer’s lingering embrace, gracefully ushering in the cooler months ahead.
In Xichang, China, September offers a 44% chance of sunny weather, making it one of the more favorable months for sunshine as summer transitions into autumn. While the percentage of sunny days in September is not as high as the peak months of November and December, it marks a gentle rebound from the summer slump seen in July and August, where chances plummet to just 22% and 34%, respectively. This trend suggests that visitors can expect more favorable conditions as the month unfolds, providing a refreshing opportunity for outdoor activities and exploration in this picturesque region. As the days grow shorter and cooler, September stands out as a promising time to soak up the sun before the winter season sets in.
As summer fades into autumn in Xichang, China, the daylight duration begins to shift noticeably. By September, the city enjoys a generous 12 hours of daylight, marking a gradual decline from the sun-soaked days of June and July, which boast the year's longest stretches of light at 14 hours. This month serves as a bridge to the shorter days ahead, as daylight starts to wane towards the 10-hour mark by the end of the year. The progression from 12 hours in September to 11 hours in October indicates the subtle transition of seasons, inviting a harmonious blend of warmth and the anticipation of autumn's crisp embrace.
As September arrives in Xichang, the winds begin to pick up, holding steady at an average speed of 3.1 m/s (7 mph), akin to earlier months like January and November. This subtle return to warmer conditions marks a transition from the summer's highest gusts in July, which reached 3.9 m/s (9 mph). Notably, September’s winds are a refreshing shift from the calmest days of August, which only saw 2.5 m/s (6 mph). The month embodies a gentle breeze that complements the crispness of autumn, hinting at the cooler October ahead, where winds slightly taper off. Overall, September serves as a bridge between the summer whirlwind and the tranquility of fall, providing a perfect backdrop for both adventure and reflection.
Weather in Xichang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Xichang, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather is characterized by a warm climate with average temperatures around 24°C (76°F) and a maximum reaching up to 35°C (95°F). The month experiences significant rainfall, totaling 112 mm (4.4 in) over approximately 11 days, alongside relatively high humidity at 79%. In contrast, January brings much cooler conditions, with average temperatures dropping to 4°C (39°F) and highs only reaching 17°C (62°F). Precipitation in January is lighter, measuring 43 mm (1.7 in) over about 7 days, and the humidity is lower at 67%. For a more detailed look at January weather, you can visit Xichang weather in January.
September and February present stark contrasts in weather characteristics. In September, temperatures range from a minimum of 13°C (56°F) to a scorching maximum of 35°C (95°F), with average highs around 24°C (76°F). This month also experiences significant rainfall, totaling 112 mm (4.4 in) over about 11 days, combined with high humidity levels at 79%.
In contrast, February brings much colder conditions, with temperatures dipping as low as -6°C (22°F) and averaging around 5°C (42°F). The maximum in February reaches a modest 25°C (77°F), while precipitation decreases to 44 mm (1.7 in) over about 8 days, and humidity levels are slightly lower at 69%. For a more detailed look at the weather in February, check out Xichang weather in February.
In comparing the weather between September and March, notable differences emerge. September boasts warmer temperatures, with a minimum of 13°C (56°F) and an average high reaching 35°C (95°F), while March experiences cooler conditions, starting at a minimum of -2°C (29°F) and averaging a maximum of 29°C (84°F). Additionally, September sees higher precipitation levels at 112 mm (4.4 in) over 11 days, in contrast to March’s 51 mm (2.0 in) across 8 days. Despite both months sharing a humidity level of 79%, the overall feel of the weather is distinctly different, making September more suited for summer activities while March leans towards a crisp, early spring atmosphere. For more detailed information, check out Xichang weather in March.
September and April showcase distinct differences in weather patterns. In September, the temperatures range from a mild minimum of 13°C (56°F) to a warm maximum of 35°C (95°F), with an average of 24°C (76°F). The month also experiences higher humidity at 79% and more precipitation, totaling 112 mm (4.4 in) over 11 days. In contrast, April starts off cooler, with temperatures ranging from a low of 2°C (35°F) to a high of 32°C (89°F), averaging 15°C (60°F). This month sees less rainfall, with 64 mm (2.5 in) of precipitation over 8 days and slightly higher humidity at 86%. For more details on April weather, visit Xichang weather in April.
September and May present distinct weather patterns, with September generally warmer and more humid. In September, temperatures range from a minimum of 13°C (56°F) to a maximum of 35°C (95°F), with an average of 24°C (76°F) and significant humidity at 79%. The month sees about 112 mm (4.4 in) of precipitation over 11 days. Conversely, May experiences slightly cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 36°C (97°F), averaging around 21°C (70°F). Although May has marginally higher precipitation at 122 mm (4.8 in), it falls over fewer days—just 8 days—and is accompanied by a higher humidity level of 87%. For more detailed insights, you can check Xichang weather in May.
September and June exhibit similar average temperatures, with September ranging from a minimum of 13°C (56°F) to a maximum of 35°C (95°F), while June sees slightly warmer temperatures, from 15°C (60°F) to 37°C (99°F). Both months experience considerable humidity, with June being notably more humid at 90%, compared to September's 79%. Precipitation is also a factor, as June receives more rainfall, averaging 137 mm (5.4 in) over 9 days, while September has 112 mm (4.4 in) over 11 days. For a more detailed look at weather patterns, you can check out Xichang weather in June.
In comparing the weather between September and July, September generally presents a milder climate with average temperatures around 24°C (76°F), while July tends to be hotter, peaking at an average of 28°C (82°F) and reaching highs of up to 39°C (102°F). Additionally, September experiences lower humidity at 79%, compared to the high humidity of 95% typically found in July. Precipitation patterns also differ; September sees about 112 mm (4.4 in) over 11 days, whereas July is wetter, with 251 mm (9.9 in) across 17 days. This makes July a more challenging month in terms of heat and rain. For further details, you can check Xichang weather in July.
In comparing the weather of September and August, September presents a more moderate climate with minimum temperatures around 13°C (56°F) and an average of 24°C (76°F), while August tends to be warmer, experiencing minimum temperatures of 21°C (69°F) and averaging 28°C (83°F). The maximum temperatures in August reach up to 37°C (99°F), significantly higher than September's peak of 35°C (95°F). Additionally, August sees heavier rainfall, accumulating 177 mm (7.0 in) over 16 days, compared to September's 112 mm (4.4 in) over just 11 days. Humidity levels also remain higher in August at 92%, compared to the 79% observed in September. For more detailed insights into August weather patterns, visit Xichang weather in August.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 35°C (95°F) and an average of 24°C (76°F). This month also experiences more rainfall, totaling 112 mm (4.4 in) over 11 days, combined with relatively high humidity at 79%. In contrast, October brings a significant drop in temperatures, with a minimum of 6°C (44°F) and an average of 18°C (64°F), peaking at 32°C (91°F). Precipitation decreases to 54 mm (2.1 in) over just 6 days, and humidity remains slightly lower at 76%. For more detailed information, you can visit Xichang weather in October.
September and November present strikingly different weather profiles. In September, temperatures are considerably warmer, with a minimum of 13°C (56°F) and an average high reaching 35°C (95°F), coupled with significant humidity at 79%. This month also sees more rainfall, with 112 mm (4.4 in) spread over 11 days. In contrast, November experiences much cooler conditions, where temperatures can dip to a minimum of -1°C (31°F) and the average high is only 28°C (83°F). Rainfall is lighter in November, totaling just 45 mm (1.8 in) across 6 days, and humidity hovers slightly lower at 77%. For more detailed insights, check out Xichang weather in November.
September and December present strikingly different weather conditions. In September, temperatures range from a mild 13°C (56°F) at night to a scorching 35°C (95°F) during the day, with an average of 24°C (76°F). This month also sees significant rainfall, with 112 mm (4.4 in) falling over 11 days, and humidity levels are quite high at 79%. In contrast, December experiences much colder weather, with temperatures dipping to a minimum of -8°C (17°F) and only reaching a maximum of 20°C (68°F), averaging around 6°C (43°F). Precipitation decreases to 40 mm (1.6 in) over just 7 days, and humidity drops slightly to 73%. For a more detailed look at December weather, you can check out Xichang weather in December.
As September unfolds in Xichang, the weather showcases a transition marked by warm days and cooler nights. Unlike the blazing heat of peak summer months, September offers a more mild average temperature, allowing for comfortable outdoor activities. However, it's also a month characterized by increased humidity and periodic rainfall, with days of precipitation punctuating the otherwise pleasant climate. Overall, September stands out as a refreshing contrast to the hotter summer months, blending the lingering warmth with the promise of autumn. For more details on the capital of Liangshan's climate throughout the year, visit Xichang Climate.