Last updated: August 21, 2025
September in Hetian, China showcases a striking range of temperatures, with a maximum of 39°C (102°F) and an average of 26°C (80°F), dipping to a refreshing minimum of 15°C (59°F). This month is characterized by moderate humidity levels at 61%, creating a warm yet often comfortable atmosphere. With a total precipitation amount of 87 mm (3.4 in) spread over 11 days, occasional rain can provide relief from the heat. Overall, September is a dynamic month, blending warmth with refreshing showers, making it an intriguing time to experience this vibrant region.
In September, Hetian, China, showcases a transition into autumn with temperatures that reflect the lingering warmth of summer. Minimums settle at a comfortable 15°C (59°F), while averages reach 26°C (80°F), maintaining a pleasant climate for outdoor activities. The maximums can soar up to a sizzling 39°C (102°F), echoing the intense summer heat. This month marks a significant cooling trend compared to the scorching heights of July and August, yet it still allows for plenty of sunshine and warmth, making it an ideal time for visitors to enjoy the region’s natural beauty before the chill of October sets in. With temperatures gradually dropping as the month progresses, September serves as a perfect bridge between the summer vibrancy and the cooler autumn ahead.
In September, Hetian, China experiences a moderate precipitation amount of 87 mm (3.4 in) over 11 days, marking a shift from the intense rains of mid-summer. This month serves as a transitional period, with rainfall tapering off compared to the earlier months, particularly June, which boasts a peak of 333 mm (13.1 in). As the seasons change, September's precipitation represents a significant decline from the summer highs of July and August, yet it remains a crucial contributor to the region’s overall water supply as it prepares for the drier months ahead. The trend illustrates a clear pattern: after the abundant rainfall in the spring and summer, nature begins to retreat, offering a more subdued but still vital hydration to the landscape.
September in Hetian, China, marks a distinct shift in humidity, dipping to 61%. This decrease comes after months of high humidity levels, peaking at 87% in July and remaining substantial through August at 84%. As summer transitions to autumn, the relative humidity begins to decline, indicating a cooling trend. This seasonal change highlights Hetian's unique climate, where, despite September’s drier air, the lingering warmth of late summer still embraces the region. With October following closely at 62%, the pattern suggests a gradual easing into the drier months ahead, setting the stage for the crisp air of fall.
As September rolls into Hetian, China, the UV Index remains a notable 11, indicating an extreme level of sun exposure. This reinforces a consistent trend observed from May through September, where the UV Index has peaked at 13 for an extended period, posing significant risks for unprotected skin. Fortunately, as the month progresses, the sun's intensity slightly declines, but a burn time of just 10 minutes still emphasizes the importance of sun safety. Comparing with earlier months, the extreme exposure category remains a reminder to stay cautious, especially as the UV Index begins to gradually drop in October. For ongoing updates and safety tips, check out Hetian UV Index.
UV Risk Categories
September in Hetian, China, shines brightly with 280 hours of sunlight, marking a continuation of the sun-soaked summer months. This pleasant decline from the peak of 311 hours in July and 306 hours in August reflects the gradual transition into autumn, where daylight becomes more precious as temperatures cool. Interestingly, while hours of sunshine dip in September, they remain significantly higher than the earlier months of the year, like January, which sees just 189 hours. This pattern highlights Hetian’s impressive summer luminosity, followed by a steady yet gentle transition toward shorter days, making September a vibrant month that bridges the warmth of summer and the crispness of fall.
In Hetian, China, the likelihood of sunny weather takes a remarkable turn in September, boasting a 65% chance of sunshine. This is a significant rebound compared to the summer months, where the chances were notably lower, with July and August seeing only 30% and 21%, respectively. As the region transitions from the sweltering heat of summer, September offers a refreshing respite, making it one of the sunniest months of the year. While the chances remain higher than the colder months that follow, September ultimately presents an enticing opportunity for sun-seekers before autumn settles in. Overall, this month stands out in the yearly weather pattern, highlighting a sweet spot where pleasant, sunny days reign supreme.
In Hetian, China, the rhythm of daylight duration follows a predictable pattern as the year unfolds. By September, the days offer approximately 12 hours of light, marking a transition into autumn. This month maintains the same daylight as the preceding months of April and August, reflecting a gentle decline after the prolonged brightness experienced in the summer. As the year progresses towards October, daylight begins to recede, hinting at the impending cooler seasons. The consistency in daylight hours from late spring through early autumn illustrates the region’s stable climate and provides a sense of balance as nature shifts through its cycles.
In Hetian, China, the September wind offers a gentle reprieve as the summer heat fades. With an average speed of just 1.5 m/s (3 mph), it's the calmest month of the year, signaling a notable decrease from the more consistent breezes of late spring and summer, where winds hovered around 2.1 m/s (5 mph). This trend of declining wind speeds continues through the autumn months, as the air grows stiller just before the revitalizing gusts of October return with an increase to 2.3 m/s (5 mph). The tranquility of September, characterized by its softer whispers of wind, invites a sense of peace and reflection before the briskness of autumn sets in.
Weather in Hetian varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Hetian, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures can soar to a maximum of 39°C (102°F), with an average of 26°C (80°F) and a minimum of 15°C (59°F), accompanied by 87 mm (3.4 in) of precipitation over 11 days and 61% humidity. In sharp contrast, January features much cooler temperatures, with a maximum of 25°C (77°F), an average of 10°C (51°F), and a minimum plummeting to -4°C (25°F). Precipitation decreases to 51 mm (2.0 in) over 7 days, while humidity slightly rises to 66%. For more detailed information on weather patterns, check out Hetian weather in January.
In September, the weather is warm and typically reaches a maximum of 39°C (102°F), with an average temperature of 26°C (80°F) and a minimum of 15°C (59°F). The month experiences 11 days of rain, totaling 87 mm (3.4 in) of precipitation, and maintains a humidity level of around 61%. In contrast, February brings much cooler temperatures, with a minimum of -3°C (26°F) and an average of 12°C (53°F), peaking at 27°C (81°F). Similar to September, it also experiences 11 days of precipitation, though slightly more at 94 mm (3.7 in), alongside a higher humidity level of 70%. For a more detailed overview of February weather, you can visit Hetian weather in February.
When comparing the weather in September and March, there are notable differences in temperature and precipitation patterns. September boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 26°C (80°F), peaking at a scorching 39°C (102°F). In contrast, March experiences cooler temperatures, ranging from a minimum of 1°C (35°F) to an average of 16°C (61°F) and a maximum of 29°C (85°F).
Precipitation is also more pronounced in March, with 165 mm (6.5 in) falling over 17 days compared to September's 87 mm (3.4 in) over 11 days. Furthermore, March has a higher humidity level at 77%, while September's humidity stands at 61%. These factors create distinct seasonal experiences, reflecting the transitional nature of the weather. For more details on March weather, you can refer to Hetian weather in March.
When comparing the weather in September and April, it's evident that the two months exhibit striking differences. September tends to be much warmer, with average temperatures around 26°C (80°F) and maximums soaring up to 39°C (102°F). In contrast, April features cooler conditions, with an average temperature of 19°C (67°F) and a maximum of 31°C (89°F). Additionally, April experiences more precipitation, amounting to 164 mm (6.5 in) over 15 days, compared to September's 87 mm (3.4 in) over 11 days. The humidity levels are also higher in April at 76%, compared to September’s 61%. For more detailed information, you can check Hetian weather in April.
September and May present distinctly different weather patterns. In September, temperatures typically range from a mild 15°C (59°F) to a hot 39°C (102°F), with an average temperature of 26°C (80°F). Conversely, May is cooler, with minimum temperatures around 10°C (51°F) and maximums peaking at 35°C (95°F), while averaging 23°C (74°F). Both months experience noticeable rainfall, but May is significantly wetter, receiving 246 mm (9.7 in) over 19 days compared to September's 87 mm (3.4 in) over 11 days. Additionally, May's higher humidity at 85% contributes to a more muggy atmosphere, while September’s humidity sits at 61%. For a more detailed look at May's weather, you can visit Hetian weather in May.
When comparing the weather in September and June, we see notable differences in temperature and precipitation. September experiences slightly warmer average temperatures, ranging from a minimum of 15°C to a maximum of 39°C, whereas June has a minimum of 17°C and peaks at 35°C. In terms of rainfall, September is significantly drier with only 87 mm over 11 days, compared to June's substantial 333 mm spread across 21 days. Additionally, humidity levels tend to be higher in June at 80%, while September's humidity averages around 61%. For a more comprehensive look at June's weather, you can check out Hetian weather in June.
In comparing the weather of September and July, we see notable differences in temperature and humidity. September has a minimum temperature of 15°C (59°F) and an average of 26°C (80°F), making it cooler than July, which starts with a minimum of 21°C (71°F) and an average of 28°C (83°F). Both months can reach a maximum of 39°C (102°F), indicating extremely hot days are possible in both. However, July experiences higher humidity at 87%, compared to September's 61%, which can make the summer month feel more oppressive. Additionally, July has slightly more precipitation, totaling 110 mm (4.3 in) over 13 days, while September sees 87 mm (3.4 in) over 11 days. For more on July's weather conditions, you can check Hetian weather in July.
In comparing the weather of September to August, September experiences a more varied range of temperatures, with a minimum of 15°C (59°F) and a maximum reaching up to 39°C (102°F). The average temperature for September is slightly lower at 26°C (80°F) compared to August's warmer average of 28°C (82°F). Additionally, September sees less precipitation, with 87 mm (3.4 in) over 11 days, whereas August is significantly wetter, with 162 mm (6.4 in) falling over 18 days. Humidity also decreases in September to 61%, down from August’s 84%, contributing to a more comfortable atmosphere. For a detailed look at August weather conditions, you can visit Hetian weather in August.
September typically experiences warmer temperatures, with a minimum of 15°C and an average high of 26°C, reaching up to 39°C on particularly hot days. The month also sees considerable rainfall, accumulating 87 mm over 11 days, alongside a humidity level of 61%. In contrast, October marks a noticeable shift in weather patterns, featuring cooler temperatures with a minimum of 9°C and an average high of 21°C, peaking at 36°C. The precipitation decreases significantly to 45 mm over just 7 days, while humidity slightly rises to 62%. For a more detailed look at October's weather, you can visit Hetian weather in October.
In September, the weather boasts warm temperatures, with a minimum of 15°C (59°F) and an average of 26°C (80°F), peaking at a sweltering 39°C (102°F). The month experiences considerable rainfall, totaling 87 mm (3.4 in) across 11 days, and maintains a humidity level of 61%. In contrast, November brings a noticeable drop in temperatures, with a minimum of 3°C (37°F) and an average of 16°C (61°F), while the maximum reaches a mild 28°C (83°F). Precipitation decreases to 62 mm (2.4 in) over just 7 days, and humidity rises slightly to 67%. For more details about the weather in November, check out Hetian weather in November.
When comparing the weather in September and December, significant differences emerge. September features much warmer temperatures, with a minimum of 15°C (59°F) and an average of 26°C (80°F), peaking at a scorching 39°C (102°F). This month also sees considerable precipitation, averaging 87 mm (3.4 in) over 11 days, while maintaining a humidity level of 61%.
In contrast, December ushers in a cooler climate with temperatures ranging from a minimum of -1°C (30°F) to an average of 11°C (52°F), and a maximum of 26°C (80°F). Precipitation drops significantly to 33 mm (1.3 in) across just 6 days, but the humidity rises to 74%. For more details, you can explore Hetian weather in December.
As September unfolds in Hetian, it brings a delightful transition from the sweltering summer heat, where maximum temperatures can soar to 39°C (102°F), to a milder yet pleasant average of 26°C (80°F). This month stands out with an increase in precipitation, marking about 11 rainy days and a total accumulation of 87 mm (3.4 in), fostering a sense of freshness in the air, particularly as humidity hovers around 61%. The shift in weather not only rejuvenates the landscape but also invites residents and visitors alike to enjoy the beautiful surroundings before the cooler months set in. For a deeper dive into how Hetian's climate evolves throughout the year, check out Hetian Climate.