Last updated: August 21, 2025
In September, Xining, China experiences a transitional climate marked by warm days and cool nights. With temperatures reaching a maximum of 26°C (78°F) and an average of 12°C (54°F), the month is characterized by significant variability in daily conditions. Nights can dip to a cool minimum of 2°C (36°F), creating a refreshing contrast. Precipitation is notable, with 96 mm (3.8 in) of rain falling over an average of 16 days, contributing to a humidity level of 82% that adds to the lush, vibrant atmosphere of the region. Whether you are drawn to outdoor adventures or cultural exploration, September in Xining offers a unique blend of scenic beauty and diverse weather.
In September, Xining, China begins to transition into autumn, bringing a noticeable shift in temperatures. With daily averages around 12°C (54°F) and a comfortable maximum of 26°C (78°F), this month offers a pleasant reprieve from the intense summer heat. The nights can be quite cool, with minimum temperatures dipping to 2°C (36°F), signaling the gradual arrival of cooler weather. As the month progresses, you can expect a subtle yet clear decline in warmth, hinting at the colder months ahead. This balance of mild days and crisp evenings makes September a delightful time to explore Xining's natural scenery and cultural richness.
In September, Xining experiences a notable climax in its precipitation pattern, with 96 mm (3.8 in) of rainfall, which marks a slight decrease from August's peak of 102 mm (4.0 in). This month is characterized by an increase in rainy days, totaling 16, reflecting the lingering influence of the summer monsoon. As the city transitions into autumn, the precipitation frequency remains high, providing a final burst of moisture before the drier months set in. This change hints at a shift in climatic conditions, indicating that September serves as a bridge between the lushness of summer and the more arid fall months, preparing the landscape for the colder, drier days ahead.
In Xining, China, the month of September sees humidity levels peak at 82%, mirroring the high levels experienced in August. This late-summer humidity signals a transition as the city approaches October, when humidity rises again to 85%. Throughout the year, there’s a notable trend where humidity tends to be higher in the earlier months, particularly from February to April, reaching its zenith in October. However, as spring turns to summer, a slight dip occurs in May, before stabilizing again through the latter part of the year. This cyclical pattern highlights the region's diverse climatic conditions, making September both a peak month for humidity and a precursor to the wetter months ahead.
In September, Xining continues to experience significant solar intensity with a UV Index of 10, categorized as very high. This marks a gradual decline from the peak summer months, where the UV Index reached an extreme level of 13, but caution is still advised as burn time is limited to just 15 minutes. As the summer fades, the UV levels begin to taper off, yet they remain a concern for outdoor enthusiasts. It's important to stay vigilant and protect your skin during this transitional month. For detailed insights into UV exposure throughout the year, visit Xining UV Index.
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September in Xining, China, offers a delightful transition as the summer warmth gently gives way to autumn coolness, characterized by 289 hours of sunshine. While this marks a decrease from the sun-drenched heights of July and August, which boast 358 and 323 hours respectively, it remains a substantial amount of daylight as the year inches toward its end. This month typically experiences a balance of sunny days, making it an ideal time for outdoor activities and exploring the city's scenic landscapes before the chill of winter sets in. As daylight hours begin to stabilize in October with 291 hours of sunshine, September stands as a comforting bridge towards the crispness of fall, enticing visitors and locals alike to enjoy the vibrant hues and the gentle warmth of the milder days ahead.
In Xining, China, September boasts a 46% chance of sunny weather, marking a slight uptick from the summer months. This period transitions from the warm days of August, where sunshine chance dips to 43%, to the clearer, crisper skies of October, which sees a decline to 40%. Historically, this month lies in the middle of the spectrum when compared to the rest of the year — higher than the rainy summer months but lower than the promising sunshine of late spring and fall. Notably, the sun shines most abundantly in November at 79%, creating a captivating seasonal contrast as Xining gradually shifts from the warmth of summer to the chill of autumn.
In Xining, China, the journey through September reveals a gentle transition in daylight duration, as the days begin to shorten after a vibrant summer. With an average of 12 hours of daylight, September offers a cozy balance between the long, sunlit days of mid-summer and the shorter days that follow in autumn. This month marks a subtle decline from the peak illumination of 14 hours seen in June and July, showcasing a gradual shift towards the 11 hours of daylight expected in October. As the seasons change, Xining residents can savor the warmth of early fall, while anticipating the cozy evenings ahead.
As September arrives in Xining, China, the winds begin to settle into a gentle rhythm, with an average speed of 1.5 m/s (3 mph). This marks a continuation of the calming breezes seen throughout the summer months, where wind speeds dipped to their lowest point from the earlier, more dynamic seasons. With the breezes holding steady into October, the serene atmosphere of early autumn creates a tranquil backdrop for the changing scenery. This subtle shift from the more forceful winds of spring, which reached up to 2.1 m/s (5 mph) in April, highlights the natural progression towards the cooler months, embodying the peaceful essence of autumn's arrival in this beautiful region.
Weather in Xining varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Xining, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January offer contrasting weather experiences. In September, temperatures range from a mild minimum of 2°C (36°F) to a comfortable maximum of 26°C (78°F), with an average of 12°C (54°F). However, this month also sees significant precipitation, totaling 96 mm (3.8 in) over 16 days, and high humidity at 82%. In stark contrast, January is characterized by much colder conditions, with temperatures falling to a minimum of -30°C (-21°F) and averaging -8°C (18°F), reaching a maximum of 9°C (49°F). Precipitation in January is scarce, amounting to only 8 mm (0.3 in) over just 2 days, accompanied by lower humidity of 74%. For more specific details, you can check Xining weather in January.
September and February present a striking contrast in terms of weather. In September, temperatures range from a chilly 2°C (36°F) at night to a pleasant high of 26°C (78°F) during the day, with an average temperature of 12°C (54°F). The month is characterized by significant precipitation, totaling 96 mm (3.8 in) over about 16 days, and humidity levels are relatively high at 82%. In stark contrast, February experiences much colder conditions, with temperatures plummeting to a minimum of -27°C (-17°F) and only rising to a maximum of 15°C (59°F), averaging at -5°C (23°F). Precipitation is minimal in February, averaging only 8 mm (0.3 in) across just 2 days, and humidity remains consistently high at 80%. For a more detailed look at February weather, you can visit Xining weather in February.
September and March exhibit notable differences in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a pleasant average of 12°C (54°F), reaching a maximum of 26°C (78°F). The month sees a higher level of precipitation at 96 mm (3.8 in) over 16 days, with humidity around 82%. In contrast, March experiences much colder temperatures, with a minimum of -15°C (5°F) and an average of just 2°C (36°F), peaking at 20°C (68°F). Additionally, March has significantly less precipitation, totaling only 17 mm (0.7 in) across 5 days, with humidity slightly lower at 81%. For a more detailed look at March weather, check out Xining weather in March.
September and April present contrasting weather patterns, reflecting the transition between seasons. In September, temperatures range from a cool 2°C (36°F) to a comfortable maximum of 26°C (78°F), with an average of 12°C (54°F). The month sees higher precipitation at 96 mm (3.8 in) over 16 days, along with a relatively high humidity of 82%. In contrast, April experiences colder temperatures, with lows dipping to -10°C (15°F) and an average of 7°C (44°F), peaking at about 25°C (77°F). This month is notably drier, with only 43 mm (1.7 in) of precipitation over 8 days and a slightly lower humidity level of 78%. For more details about April weather, check out Xining weather in April.
When comparing the weather in September to that in May, notable differences emerge. September generally experiences milder temperatures, with a minimum of 2°C (36°F) and a maximum of 26°C (78°F), averaging around 12°C (54°F). In contrast, May starts off cooler with a low of -4°C (25°F) but can reach highs of 28°C (82°F), averaging 11°C (52°F). Additionally, September sees more precipitation, totaling 96 mm (3.8 in) over 16 days, compared to May's 62 mm (2.4 in) over just 9 days. Humidity levels are also higher in September at 82%, while May has a lower humidity level of 71%. For more details on the weather conditions in May, you can check out Xining weather in May.
In comparing the weather of September and June, we observe that both months showcase similar maximum temperatures, with June reaching up to 26°C (79°F) and September also peaking at 26°C (78°F). However, September tends to be cooler on average, with temperatures ranging from a minimum of 2°C (36°F) to an average of 12°C (54°F), compared to June's minimum of 3°C (37°F) and an average of 15°C (58°F). Additionally, September experiences more precipitation, totaling 96 mm (3.8 in) over 16 days, while June sees only 77 mm (3.0 in) of rainfall spread across 12 days. Humidity levels are also higher in September at 82%, compared to June's 77%. For a closer look at the specifics, check out Xining weather in June.
When comparing the weather in September and July, it's clear that July tends to be warmer and drier. In July, temperatures range from a minimum of 6°C (44°F) to a maximum of 31°C (88°F), with an average of 17°C (63°F) and only 76 mm (3.0 in) of precipitation falling over 11 days. In contrast, September experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 26°C (78°F). The average temperature in September is 12°C (54°F), accompanied by higher rainfall totals of 96 mm (3.8 in) over 16 days. Additionally, September exhibits greater humidity at 82%, compared to July's 77%. For a more detailed look at the weather during this month, you can check out Xining weather in July.
In comparing the weather between September and August, September tends to be cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (78°F), while August sees slightly warmer temperatures, with a minimum of 5°C (41°F) and a maximum of 28°C (83°F). Additionally, the average temperature in September is lower at 12°C (54°F) compared to August's 16°C (61°F). Precipitation is relatively similar, with September receiving 96 mm (3.8 in) over 16 days and August slightly higher at 102 mm (4.0 in) over 14 days. Both months share the same humidity level of 82%, creating a consistently damp atmosphere throughout. For more details, you can check Xining weather in August.
September and October present a notable shift in weather conditions. In September, temperatures range from a minimum of 2°C (36°F) to a maximum of 26°C (78°F), with an average of 12°C (54°F), while precipitation totals 96 mm (3.8 in) over 16 days at a humidity level of 82%. In contrast, October experiences cooler temperatures, with a minimum of -7°C (19°F), an average of 6°C (42°F), and a maximum of 22°C (72°F). Precipitation decreases to 49 mm (1.9 in) over 11 days, accompanied by a slightly higher humidity of 85%. For more detailed insights into October weather, you can check Xining weather in October.
In September, the weather is relatively mild, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (78°F). The month experiences considerable precipitation, averaging 96 mm (3.8 in) over 16 days, paired with high humidity at 82%. In contrast, November brings a stark change, with temperatures dropping significantly—reaching a minimum of -25°C (-14°F) and averaging around -2°C (29°F). Precipitation is much lower in November, totaling just 10 mm (0.4 in) over 3 days, and humidity slightly decreases to 79%. For more details, check out Xining weather in November.
The weather in September is significantly milder compared to December, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 26°C (78°F) and an average of 12°C (54°F). In September, precipitation is relatively high at 96 mm (3.8 in) over 16 days, contributing to a humid atmosphere with 82% humidity. In contrast, December experiences much colder conditions, with temperatures dropping to a minimum of -27°C (-16°F) and an average of -7°C (19°F), peaking at 8°C (46°F). Precipitation decreases dramatically to just 5 mm (0.2 in) over a single day, coupled with lower humidity levels of 71%. For more details on December weather, visit Xining weather in December.
As September rolls into Xining, the transition from summer to autumn becomes evident with a noticeable shift in temperature and humidity. The daytime warmth gives way to cooler evenings, creating a refreshing contrast that many find invigorating. While precipitation remains frequent, totaling 16 wet days, the refreshing moisture adds a unique charm to the landscapes. With humidity lingering at 82%, the crispness in the air is a refreshing departure from the sultry summer months. This blend of moderate temperatures and increased rain makes September an ideal time to explore the beauty of Xining. For more detailed insights on weather patterns, check out Xining Climate.