Last updated: August 21, 2025
In September, Jiuguan, China, experiences a dynamic blend of climatic conditions that paint the month with warm hues. Maximum temperatures can soar to a sizzling 36°C (96°F), while the average temperature remains a comfortable 25°C (78°F), providing ample opportunity for outdoor pursuits. As the season transitions, lows dip to a mild 15°C (59°F) at night. However, this warmth is accompanied by significant precipitation, totaling 136 mm (5.4 in) over approximately 11 days, resulting in a relatively high humidity level of 81%. The interplay of warmth and moisture enriches the local atmosphere, shaping both the landscape and the daily life of residents and visitors alike.
In September, Jiuguan, China, experiences a pleasant transition as summer gives way to autumn, with temperatures ranging from a mild minimum of 15°C (59°F) to a maximum of 36°C (96°F). The average temperature of 25°C (78°F) is a sweet spot, making it a great time for outdoor activities and exploration. Notably, the month marks a gradual cooldown compared to the sweltering heights of summer, yet retains enough warmth to enjoy the lingering sunshine. As the days grow shorter and the nights cooler, September's climate sets the stage for a stunning autumn, hinting at the changing seasons ahead.
In September, Jiuguan experiences a notable decline in precipitation, recording 136 mm (5.4 in) across 11 days of rain. This marks a significant drop from the summer months, where both July and June saw peak rainfall, with 278 mm and 274 mm respectively. As the rainy season begins to taper off, the milder September showers offer a transitional contrast to the intense early summer downpours. This month’s rainfall contributes to the overall annual totals, yet sets the stage for drier conditions as the region heads into October, which typically sees a marked decrease with only 48 mm (1.9 in) expected. The trend of fluctuating precipitation amounts throughout the year reflects the diverse climate patterns that characterize Jiuguan, underscoring the region's unique weather dynamics.
In September, Jiuguan, China, experiences a noticeable dip in humidity, averaging around 81%, following the peak of the summer months. This is a decline from the summer highs of 93% in July and 91% in August, indicating a gradual transition toward the drier months ahead. The humidity levels in September are reminiscent of early spring conditions, yet still higher than the winter's more comfortable range. As autumn approaches, the shift in humidity marks the beginning of a more stable and pleasant climate, showcasing the unique seasonal rhythms of Jiuguan.
As autumn approaches, September in Jiuguan, China, showcases a UV Index of 10, keeping it within the very high exposure category. This marks a slight decline from the peak 11 found in the summer months of May through August, but it's still crucial to take precautions against sunburn, with a burn time of just 15 minutes. The trend shows that while the intensity may lessen as the seasons shift, the sun can still be formidable. Following September, a gradual decrease in the UV Index continues into October, reflecting the transition to cooler weather. Whether you’re out enjoying the early fall or planning for a sun-soaked adventure, remember to stay protected! For more detailed information about the UV Index throughout the year, visit Jiuguan UV Index.
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In September, Jiuguan basks in a warm glow, recording 250 hours of sunshine, a slight dip from the peak of 309 hours in August. This month beautifully bridges the vibrant summer heat and the encroaching autumn coolness, reflecting a consistent trend of abundant daylight that characterizes the late summer months. From January's modest 145 hours to the summer’s highs, the sunshine hours reveal a clear upward trajectory, peaking in July before gently tapering off as autumn approaches. As the days grow shorter, September still offers ample sunlight, embracing the changing season while maintaining a rich blend of warmth and comfort.
In Jiuguan, China, September stands out with a 46% chance of sunny weather, hinting at a transition as summer wanes and autumn begins. This month marks a notable uptick from the particularly gloomy summer months of June and July, which see as little as 15% and 21% sunny days, respectively. As we move from August's 32%, September's forecast suggests an inviting balance of sun and the gradual onset of cooler temperatures. Overall, while the likelihood of sunshine fluctuates throughout the year, September offers a refreshing change that beckons both locals and travelers to enjoy the crisp, clear days of early autumn.
As summer fades into autumn, September in Jiuguan, China, offers a gentle transition in daylight hours, with approximately 12 hours of daylight. Following the peak brightness of June's 14 hours, the days gradually shorten, reflecting a rhythm that enchants the landscape. This month stands as a bridge between the long, sun-kissed days of summer and the cooler, darker months ahead, tapering from July and August's 13 hours. As daylight diminishes into the fall and winter, it invites the community to savor the lingering warmth of the year while acknowledging the return to shorter days, a natural phenomenon that gracefully marks the passage of time.
As September arrives in Jiuguan, China, the average wind speed settles at 2.8 m/s (6 mph), mirroring the gentle breezes of January and February. Throughout the year, wind patterns reveal intriguing trends; notably, July boasts the highest gusts at 3.5 m/s (8 mph), signaling the peak of summer's warmth. Following a brief dip to 2.2 m/s (5 mph) in August, September's winds pick up again, providing a refreshing contrast to the lingering summer heat. The gentle winds carry the promise of autumn as they segue into the slightly brisker breezes of October and November, both averaging 2.9 m/s (6 mph). This rhythm of wind speeds reflects an environmental balance, fostering a unique climate experience that characterizes Jiuguan’s transitional seasons.
Weather in Jiuguan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jiuguan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September features warm temperatures, with a minimum of 15°C (59°F), an average of 25°C (78°F), and a maximum reaching 36°C (96°F). This month experiences significant precipitation, totaling 136 mm (5.4 in) over about 11 days, coupled with high humidity levels at 81%. In contrast, January presents a starkly different climate, with temperatures dipping as low as -9°C (17°F) and averaging only 6°C (43°F), while the maximums reach up to 22°C (72°F). January is also drier, with 71 mm (2.8 in) of precipitation over just 9 days and a humidity of 70%. For more detailed information on January weather in Jiuguan, you can visit Jiuguan weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures soar with a minimum of 15°C (59°F) and can reach up to 36°C (96°F), accompanied by high humidity levels averaging 81% and significant rainfall of 136 mm (5.4 in) over about 11 days. In contrast, February experiences much cooler weather, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 27°C (80°F) and lower humidity at 73%. Additionally, February sees less precipitation, totaling 77 mm (3.0 in) over approximately 10 days. For more detailed insights into the February climate, you can check Jiuguan weather in February.
When comparing the weather in September and March, a distinct contrast emerges. September boasts higher temperatures, with a minimum of 15°C (59°F) and an average of 25°C (78°F), peaking at a sizzling 36°C (96°F). In contrast, March experiences cooler weather, starting from a chilly minimum of -1°C (30°F) and averaging 12°C (55°F), with a maximum that still reaches a pleasant 29°C (85°F). Both months share similar humidity levels at 81%, but September records 136 mm (5.4 in) of precipitation over 11 days, while March sees slightly less rainfall at 113 mm (4.5 in) over 13 days. For a detailed look at March weather patterns, visit Jiuguan weather in March.
In comparing the weather patterns of September and April, September tends to be significantly warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), compared to April's more moderate range of 4°C (39°F) to 33°C (92°F). Additionally, September experiences higher precipitation levels, with 136 mm (5.4 in) falling over 11 days, whereas April receives 90 mm (3.5 in) across 9 days. Humidity is also relatively high in both months, peaking at 81% in September and slightly higher at 87% in April. For more detailed information about April weather in Jiuguan, you can visit Jiuguan weather in April.
When comparing the weather in September to that of May, we notice some intriguing differences. September features warmer average temperatures, with an average of 25°C (78°F) and a maximum of 36°C (96°F), while May has a lower average of 22°C (72°F) and reaches a maximum of 37°C (100°F). Both months see significant precipitation, with September receiving 136 mm (5.4 in) over 11 days and May slightly higher at 140 mm (5.5 in) over 12 days. Humidity levels are also notable; September's average humidity is 81%, while May is a bit higher at 87%. For a deeper look into May's weather, you can visit Jiuguan weather in May.
September and June present some similarities in temperature but differ significantly in precipitation and humidity. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), with an average of 25°C (78°F). In contrast, June experiences temperatures that are slightly cooler at a minimum of 14°C (58°F) and a maximum of 37°C (99°F), while maintaining a similar average of 25°C (77°F). However, June is characterized by much higher rainfall, with 274 mm (10.8 in) over 16 days compared to September's 136 mm (5.4 in) over just 11 days. Additionally, June's humidity is notably higher at 89%, while September's humidity stands at 81%. For more specific details about the weather in June, you can refer to this link: Jiuguan weather in June.
In comparing the weather in September and July, it's evident that July tends to be hotter and more humid. July boasts a minimum temperature of 20°C (69°F) and averages around 29°C (84°F), peaking at a maximum of 39°C (103°F). In contrast, September features cooler temperatures, with a minimum of 15°C (59°F) and an average of 25°C (78°F), reaching a maximum of 36°C (96°F). Rainfall is significantly higher in July, totaling 278 mm (10.9 in) over 16 days, compared to September's 136 mm (5.4 in) over 11 days. Additionally, July's humidity levels at 93% contribute to its muggy feel, while September, with 81% humidity, is relatively more comfortable. For more detailed information, you can check Jiuguan weather in July.
September brings a slight cooling compared to August, with minimum temperatures dropping to 15°C (59°F) from 17°C (63°F) and average temperatures decreasing from 29°C (85°F) to 25°C (78°F). The maximum temperatures in September also soften, reaching a peak of 36°C (96°F) compared to August's 38°C (101°F). However, September experiences increased rainfall, with 136 mm (5.4 in) of precipitation over 11 days, compared to August's 190 mm (7.5 in) over 14 days. Despite the drop in temperature, humidity remains relatively high in both months, 81% in September and 91% in August. For more details on August conditions, you can check Jiuguan weather in August.
September and October present notably different weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (96°F), with an average of 25°C (78°F). The month is characterized by significant rainfall, accumulating to 136 mm (5.4 in) over 11 days, and humidity levels remain high at 81%. In contrast, October sees a decrease in temperature, with minimums dipping to 8°C (47°F) and maximums capping at 34°C (94°F), averaging around 20°C (67°F). Precipitation also lessens dramatically to 48 mm (1.9 in) across only 6 days, while humidity slightly decreases to 80%. For a more detailed understanding of October weather, you can refer to Jiuguan weather in October.
September typically experiences warmer weather compared to November, with average temperatures reaching 25°C (78°F) and maximums peaking at 36°C (96°F). In contrast, November brings cooler conditions, with average temperatures around 14°C (58°F) and maximums of 30°C (87°F). Precipitation is higher in September, totaling 136 mm (5.4 in) over 11 days, while November sees significantly less rainfall at 52 mm (2.1 in) across 8 days. Both months have high humidity, with September at 81% and November slightly higher at 82%. For more details, you can check the Jiuguan weather in November.
September and December present stark contrasts in weather conditions. September typically boasts warmer temperatures, with averages around 25°C (78°F) and peaks reaching up to 36°C (96°F). The month is characterized by high humidity at 81% and substantial rainfall, accumulating 136 mm (5.4 in) over 11 days. In contrast, December features much cooler temperatures, with an average of 8°C (46°F) and lows dipping to -5°C (24°F). Precipitation decreases significantly to 58 mm (2.3 in) over just 8 days, and humidity slightly lowers to 77%. For more insights into the December climate, you can check Jiuguan weather in December.
September in Jiuguan marks a transition, offering a blend of warmth and moisture that stands out from the drier summer months. With temperatures peaking at a comfortable average, this month invites outdoor activities while still hinting at the cooler days ahead. Although the humidity remains high, the notable rainfall—sweeping across several days—adds a refreshing touch that many welcome after the heat of summer. As September unfolds, you'll find the landscape flourishing, making it a beautiful time to experience the region's rich climate. For more detailed insights into the weather patterns throughout the year, visit Jiuguan Climate.