Last updated: August 21, 2025
Experience the diverse September weather of Jiayuguan, China, where temperatures typically range from a refreshing 3°C (38°F) at night to a pleasant 28°C (83°F) during the day, averaging around 16°C (60°F) overall. This month brings a moderate 13 mm (0.5 in) of precipitation across approximately 3 days, contributing to a 62% humidity level that adds a slightly crisp feel to the air. Whether you’re exploring the remarkable landscapes or savoring local culture, September offers a captivating climate perfect for adventure.
September in Jiayuguan, China, marks a transition into milder temperatures as summer gives way to autumn. With minimums hovering around 3°C (38°F), the chill begins to set in, while the average temperature reaches a comfortable 16°C (60°F). Daytime highs can still be quite pleasant, peaking at 28°C (83°F), making it an ideal time for outdoor activities and exploration. As daylight begins to shorten, September's climate offers a refreshing balance between the lingering warmth of summer and the crispness of fall, inviting visitors to enjoy the scenic beauty of this historic region in a more temperate setting.
In September, Jiayuguan experiences a notable shift in precipitation patterns, receiving 13 mm (0.5 in) of rainfall over approximately 3 days. This month marks a decline from the wetter summer months, where July and August brought higher totals of 29 mm (1.1 in) and 25 mm (1.0 in), respectively. The relatively moderate September rainfall contributes to a transitional climate as the region prepares for the drier fall months ahead. Interestingly, while September's precipitation is less than summer's peak, it remains significantly higher than the scant amounts seen in winter months like January and February, which barely register at 5 mm (0.2 in) each. This pattern underscores Jiayuguan’s characteristic dry climate and highlights the seasonal fluctuations that define its unique weather landscape.
In Jiayuguan, China, September experiences a consistent level of humidity at 62%, mirroring the slightly more humid month of August. This marks a subtle transition towards the drier summer months of May through July, when humidity levels drop to their lowest at 55%. As the year progresses, the humidity begins to climb once more, with October seeing a modest increase to 67%. Such fluctuations highlight a trend where the later months of the year tend to have higher humidity levels, particularly as autumn sets in, making September a pivotal month in the shift from summer dryness to a more humid fall climate.
As summer fades, September in Jiayuguan transitions to a UV Index of 9, which falls into the very high exposure category, necessitating a burn time of just 15 minutes for unprotected skin. This marks a slight decline from the extreme levels observed in June through August, which hovered around 12, yet it still requires cautious sun exposure. The trend throughout the year indicates a gradual increase in UV intensity from January's moderate index of 3 to the peak summer values, highlighting the importance of sun protection as temperatures rise. As autumn approaches, the UV Index begins to decrease towards October's high level of 6, but awareness remains crucial. For detailed insights on safe sun exposure, visit Jiayuguan UV Index.
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As September unfolds in Jiayuguan, the city continues to bask in the warmth of summer, enjoying 328 hours of sunshine. This marks a slight dip from the peak of 367 hours in July and 357 hours in August, yet it remains well within the bright ambiance that characterizes the late summer months. The trend shows that while the days gradually shorten, particularly as October approaches with its 313 hours, September still retains a generous share of sunlight. This enduring glow encourages outdoor adventures and a vibrant atmosphere, making it a delightful time to explore Jiayuguan's historical charm and stunning landscapes before the cooler months set in.
In Jiayuguan, China, September offers a fairly optimistic chance of sunny weather, with 66% likelihood of clear skies. This places it among the more favorable months, trailing only behind the sunnier winter months of January and November. As summer transitions into autumn, the weather shifts from the peak sunshine of July and August, making September a delightful time to visit, especially for those seeking outdoor activities. While the likelihood of sun tapers off slightly compared to the bright summer months, it remains significantly higher than the early spring and late autumn months, inviting visitors to enjoy the unique landscapes under a generally inviting sun.
As summer fades, September in Jiayuguan, China, ushers in a gradual transition toward shorter days, with daylight lasting approximately 12 hours. This month marks a noticeable decline from the sun-soaked 14 hours seen in the peak of July and August, while still enjoying more light than the approaching winter months of October and November, which drop to 11 and 9 hours, respectively. The trend reveals a gentle waning of sunlight, reflective of the changing seasons, as the vibrant days of summer give way to the crispness of fall. Nature's rhythm can be felt as the balance of day and night tips, heralding the upcoming cooler months ahead.
As September arrives in Jiayuguan, China, the wind begins to whisper through the desert landscape at an average speed of 2.6 m/s (6 mph). This slight uptick keeps the summer breezes alive just a bit longer, bridging the transition into autumn. Notably, the wind speeds in September are consistent with those seen in the spring months, where they gradually increased from their winter lows, peaking in May and then gently tapering off. Throughout the year, the wind fluctuates, displaying its most vigorous breezes during the spring, before settling into a calmer rhythm as the year winds down. This trend reveals a seasonal dance in Jiayuguan, where the winds echo the changing seasons, inviting both locals and visitors to savor the unique charm of this historic region.
Weather in Jiayuguan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jiayuguan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is relatively mild, with temperatures ranging from a chilly 3°C (38°F) at night to a warm 28°C (83°F) during the day, accompanied by light precipitation of 13 mm (0.5 in) over about three days. The average humidity stands at 62%, creating a pleasant atmosphere as summer begins to transition into autumn.
In stark contrast, January brings frigid temperatures, with lows plunging to -22°C (-8°F) and a chilly average of -8°C (17°F). The maximum temperature hardly rises above 8°C (47°F), and precipitation significantly decreases to just 5 mm (0.2 in) over one day. Humidity is slightly higher at 64%, but the cold can be quite biting. For a more detailed look at the weather conditions, check out Jiayuguan weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a mild 3°C (38°F) at night to a comfortable 28°C (83°F) during the day, with an average of around 16°C (60°F). The month typically features 13 mm (0.5 in) of precipitation over three days, alongside a humidity level of 62%. In contrast, February brings much colder temperatures, with lows plummeting to -20°C (-4°F) and highs reaching only 14°C (57°F), averaging -4°C (24°F). There is significantly less precipitation, with merely 5 mm (0.2 in) falling over just one day, while humidity slightly increases to 66%. For a more detailed look at February weather patterns, you can visit Jiayuguan weather in February.
September and March exhibit notably different weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a warm 28°C (83°F) during the day, with an average of 16°C (60°F). This month receives a moderate amount of rainfall, with 13 mm (0.5 in) over three days, and humidity levels average around 62%. In contrast, March experiences chillier conditions, with minimum temperatures dropping to -11°C (13°F) and daytime highs reaching a comfortable 21°C (70°F), resulting in an average temperature of 4°C (39°F). Remarkably, March records very little precipitation, only 4 mm (0.2 in), and typically has dry weather with no rainy days. Humidity is slightly higher at 66%. To explore more about the weather conditions in March, visit Jiayuguan weather in March.
When comparing the weather in September and April, notable differences emerge in temperature and conditions. September boasts a more temperate range with minimums around 3°C (38°F) and maximums reaching 28°C (83°F), leading to an average of 16°C (60°F). In contrast, April experiences chillier nights with minimum temperatures dipping to -8°C (18°F) and an average of 10°C (50°F), though it can also peak at 27°C (80°F). Both months receive similar precipitation levels, around 12 to 13 mm (0.5 in), across three days, but April tends to be slightly more humid at 65%, compared to September's 62%. For detailed insights on April weather, check out this link: Jiayuguan weather in April.
In comparing the weather of September and May, we find some notable differences. September boasts a milder range, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), while May exhibits a slightly cooler minimum temperature of -2°C (29°F) but can reach highs of 33°C (92°F). This results in both months averaging around 16°C (60°F). Precipitation in May is also higher, with 21 mm (0.8 in) over 5 days compared to September's 13 mm (0.5 in) over just 3 days. Furthermore, humidity levels are slightly higher in September at 62%, compared to 55% in May. For more details about May weather specifically, you can check Jiayuguan weather in May.
In comparing the weather between September and June, it is evident that June tends to be warmer overall, with an average temperature of 20°C (68°F) compared to September's average of 16°C (60°F). June experiences higher maximum temperatures as well, reaching up to 31°C (88°F), whereas September peaks at 28°C (83°F). Despite this, September has slightly lower precipitation levels at 13 mm (0.5 in) over 3 days, compared to June's 19 mm (0.8 in) over 4 days. Additionally, humidity in September is a bit higher at 62%, compared to June's 56%. For more detailed insights, you can explore Jiayuguan weather in June.
In comparing the weather between September and July, we see a notable contrast in temperatures and precipitation levels. September experiences a wider temperature range, with minimums dropping to 3°C (38°F) and maximums reaching up to 28°C (83°F), averaging around 16°C (60°F). This month also tends to be drier, with only 13 mm of precipitation over just 3 days, and a humidity level of 62%. In contrast, July boasts significantly warmer temperatures, with a minimum of 12°C (53°F) and maximums climbing to 34°C (94°F), averaging 22°C (72°F). Additionally, July sees greater rainfall, with 29 mm falling over 5 days, and a lower humidity level of 55%. For a deeper dive into July weather characteristics, you can refer to Jiayuguan weather in July.
Comparing the weather in September and August reveals some notable differences. In September, temperatures begin to cool down, with a minimum of 3°C (38°F) and an average of 16°C (60°F), contrasted with August's milder temperatures, which range from a minimum of 9°C (49°F) and an average of 20°C (69°F). Additionally, September experiences a maximum temp of 28°C (83°F), significantly lower than August's peak of 33°C (92°F). Precipitation in September is lighter at 13 mm (0.5 in) over 3 days, whereas August sees more rainfall at 25 mm (1.0 in) over 5 days. Interestingly, the humidity remains constant at 62% in both months. For a more detailed look at August weather, visit Jiayuguan weather in August.
Comparing the weather in September and October reveals a notable shift in temperatures and conditions. In September, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 16°C (60°F). The month experiences light precipitation of 13 mm (0.5 in) over about 3 days and a humidity level of 62%. In contrast, October sees a significant drop in minimum temperatures to -7°C (20°F) and an average of 7°C (45°F), despite reaching a comfortable maximum of 27°C (81°F). With only 4 mm (0.2 in) of precipitation falling over just 1 day, October's weather feels much drier, albeit with a slightly higher humidity level of 67%. For more detailed information, you can check Jiayuguan weather in October.
September weather is characterized by mild temperatures, with a minimum of 3°C (38°F) and an average of 16°C (60°F), reaching a maximum of 28°C (83°F). Additionally, it experiences light precipitation of 13 mm (0.5 in) over three days, accompanied by a humidity level of 62%. In contrast, November brings a significant drop in temperatures, with lows of -15°C (6°F) and an average temperature of 0°C (32°F), but a maximum that can still reach 17°C (63°F). The month sees much lighter precipitation at just 3 mm (0.1 in) over a single day, while humidity increases slightly to 64%. For more specifics on the weather patterns, you can refer to Jiayuguan weather in November.
September and December present starkly contrasting weather patterns. In September, temperatures range from a mild minimum of 3°C (38°F) to a warm maximum of 28°C (83°F), with an average temperature of 16°C (60°F). The month sees relatively low precipitation at 13 mm (0.5 in), occurring over just three days, and humidity levels sit at 62%. In contrast, December plunges into much colder conditions, with temperatures dipping as low as -23°C (-10°F), averaging -7°C (19°F) and peaking at 10°C (50°F). Precipitation decreases to 7 mm (0.3 in) over only two days, and humidity rises slightly to 65%. For more detailed insights into December conditions, you can visit Jiayuguan weather in December.
As September arrives in Jiayuguan, the weather transitions into a refreshing yet mild phase, providing a stark contrast to the extremes of summer. The temperatures are notably more comfortable, allowing for pleasant outdoor activities without the intense heat experienced earlier in the year. While the humidity remains relatively moderate, the slight increase in precipitation offers a welcome change, keeping the landscape vibrant and lush. With only a few rainy days scattered throughout the month, September strikes a balance that makes it an inviting time to explore the natural beauty and rich history of Jiayuguan. For more detailed insights into seasonal trends, check out Jiayuguan Climate.