Last updated: August 21, 2025
September in Hetian, China brings a delightful range of temperatures, with maximums reaching up to 36°C (97°F) and gentle minimums dipping to 16°C (61°F), boasting an average of 25°C (77°F). This transitional month features a moderate precipitation amount of 98 mm (3.9 in), occurring over 11 days, adding a refreshing touch to the warm conditions. The humidity level, sitting comfortably at 67%, contributes to the overall sensation, making September a time of remarkable climatic variation and natural beauty in Hetian.
In September, Hetian, China, transitions into the warmth of early autumn, showcasing a range of temperatures that underscores this seasonal shift. With minimums around 16°C (61°F) and averages peaking at 25°C (77°F), the days still possess a lingering summer warmth. However, maximum temperatures can soar to 36°C (97°F), hinting at the summer’s residual heat. This balance of mild nights and warm days creates a pleasant climate, making September an ideal time to explore the region's rich culture and scenic beauty before the cooler months of October set in. Overall, the temperate conditions mark a delightful pause between the sweltering summer and the crisp autumn, perfect for outdoor activities and adventures.
In September, Hetian, China experiences a moderate shift in precipitation, receiving 98 mm (or 3.9 in) of rain over 11 days. This month marks a slight decrease from the vibrant summer months, where June peaked at 243 mm and July followed closely at 230 mm. The transition into fall brings a welcome reduction in intensity, with September's rainfall contrasting sharply against the wetter spring months like March and May, where totals soared to 161 mm and 206 mm, respectively. As the days shorten and temperatures begin to cool, the region begins to prepare for the drier autumn months ahead, signifying a gentle tapering of the vibrant summer monsoons.
In September, humidity in Hetian, China drops to 67%, marking a notable shift as the summer months give way to autumn. This decline follows a peak in July when humidity reached an intense 89%, creating a sticky atmosphere typical of the height of summer. Throughout the preceding months of May and June, humidity levels remained high at 86%, indicating a persistence of warmth and moisture. However, as September rolls in, the decrease to 67% reflects a transition toward drier conditions, aligning with the onset of fall. This trend hints at a refreshing change in the air, setting the stage for the cooler months ahead.
As summer gives way to autumn in Hetian, China, the UV Index sees a notable shift in September, measuring 10, categorized as very high with a burn time of only 15 minutes. This indicates a slight decrease from the peak months of July and August, where the Index reached 13 under extreme conditions. However, September still demands vigilance, especially as locals transition from the sweltering summer heat to milder fall weather. With October bringing another drop to a UV Index of 9, it’s clear that protective measures remain essential throughout the changing seasons. For more detailed insights on UV exposure, check out Hetian UV Index.
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September in Hetian, China, offers a delightful blend of sun and warmth, with an impressive 248 hours of sunshine. As the summer peak in August—boasting 315 hours of bright skies—begins to fade, September still enjoys a substantial amount of sunlight, reflecting the region’s transition into autumn. This month’s sunshine is part of a broader trend where sunlight hours increase steadily from January’s modest 138 hours, reaching a high in the summer months, before gracefully tapering off again in October. The gradual ascent through the spring, peaking in mid-summer, and subsequent decline provides a rhythmic pattern that highlights Hetian’s unique climate, making September a perfect time to bask in the tail end of sunny days before the cooler months set in.
In September, Hetian, China, enjoys a notable surge in sunny weather, with a 57% chance of clear skies, making it one of the brightest months of the year. This marks a significant departure from the cooler summer months, where the likelihood of sunshine hovers around 27% to 31%. As the scorching heat gives way to a more temperate climate, residents and visitors alike can expect a delightful transition into autumn, setting the stage for outdoor activities and exploration amidst the vibrant scenery. Compared to the preceding months, September stands out as an exceptional time to experience the sun's warm embrace in this picturesque region.
As summer fades, September in Hetian, China, marks a gentle transition into autumn with a daylight duration of 12 hours. This month retains a similar light profile to the spring months of March and April when daylight also stretches to 12 hours, reflecting a natural rhythm as the days grow increasingly shorter. Following the peak of summer with 13 hours of daylight in the preceding months, September offers a slight tapering, hinting at the approaching shorter days of October and November. The gradual decline emphasizes the shifting seasons, inviting a sense of change in both the environment and daily life as the warm hues of summer give way to the cooler tones of fall.
As September unfolds in Hetian, China, it brings with it a gentle breeze, with an average wind speed of 1.6 m/s (4 mph). This month, like the summer preceding it, showcases a slight dip in wind intensity, mirroring the trend observed in June and August. However, this subtle calm is a precursor to October, when a notable increase to 2.4 m/s (5 mph) invigorates the region, hinting at the seasonal shift ahead. Overall, September maintains the tranquil conditions typical of late summer, providing a serene backdrop as the landscape subtly transitions toward autumn. The consistent low wind speeds throughout the summer months gradually build anticipation for the brisker winds of fall.
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.
In September, the weather is typically warm with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 36°C (97°F), and an average of 25°C (77°F). With 98 mm (3.9 in) of precipitation over 11 days, the humidity is relatively high at 67%. Conversely, January presents a stark contrast, as temperatures drop significantly to a minimum of -4°C (25°F) and peak at 20°C (68°F), averaging just 6°C (43°F). Precipitation decreases to 73 mm (2.9 in) over 12 days, with humidity slightly lower at 66%. For more details on January weather in Hetian, visit Hetian weather in January.
In September, the weather is characterized by warm temperatures, with an average of 25°C (77°F) and a maximum reaching up to 36°C (97°F). The month sees considerable humidity at 67% and experiences around 11 days of precipitation, totaling 98 mm (3.9 in). In contrast, February presents a much cooler climate, where temperatures range from a minimum of -4°C (26°F) to a maximum of 25°C (78°F), averaging just 8°C (46°F). This month experiences slightly less total precipitation at 96 mm (3.8 in) but has more rainy days, totaling 15, and slightly higher humidity levels at 72%. For more specific information about February weather, check Hetian weather in February.
September and March present contrasting weather patterns. September boasts a warm average temperature of 25°C (77°F), with highs reaching up to 36°C (97°F), making it significantly warmer than March, which has an average of only 13°C (56°F) and peaks at 30°C (87°F). However, March is characterized by higher precipitation levels, receiving 161 mm (6.4 in) over about 20 days compared to September's 98 mm (3.9 in) spread over 11 days. Additionally, March features increased humidity, averaging 81% compared to September's 67%. For a detailed perspective on March weather, check out Hetian weather in March.
September and April exhibit notable differences in weather patterns. In September, temperatures range from a mild 16°C (61°F) to a warm 36°C (97°F), with an average of 25°C (77°F). While this month experiences less rainfall, totaling 98 mm (3.9 in) over about 11 days, the humidity remains moderate at 67%. In contrast, April is significantly cooler, with temperatures ranging from a low of 6°C (43°F) to a high of 32°C (90°F) and an average of 17°C (63°F). This month witnesses more precipitation, accumulating 154 mm (6.1 in) over 19 days, resulting in higher humidity levels of 82%. For more details on the weather during April, you can visit Hetian weather in April.
September and May exhibit notable differences in weather conditions. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 36°C (97°F), with an average of 25°C (77°F). The month receives a total of 98 mm (3.9 in) of precipitation over 11 days, and humidity averages around 67%. In contrast, May experiences cooler temperatures, with a minimum of 10°C (51°F), an average of 22°C (71°F), and a maximum of 34°C (93°F). However, May is significantly wetter, accumulating 206 mm (8.1 in) of rainfall across 18 days, paired with higher humidity levels at 86%. For a closer look at May's weather conditions, you can refer to Hetian weather in May.
When comparing the weather in September and June, both months exhibit similar average temperatures, hovering around 25°C (77°F). However, September experiences a slightly broader temperature range, with minimums of 16°C (61°F) and maximums reaching up to 36°C (97°F), compared to June's temperatures which range from 15°C (60°F) to a maximum of 34°C (93°F). Precipitation levels reveal a stark contrast: June sees significantly higher rainfall at 243 mm (9.6 in) over 20 days, while September records only 98 mm (3.9 in) across 11 days. Additionally, September's humidity is lower at 67% compared to June’s 86%, making September more comfortable despite the high daytime temperatures. For a more detailed look at June weather, you can check Hetian weather in June.
When comparing the weather in September and July, notable differences emerge. September typically features a moderate temperature range with a minimum of 16°C (61°F), an average of 25°C (77°F), and a maximum of 36°C (97°F), making it slightly cooler overall compared to July, where temperatures range from a minimum of 19°C (67°F) to an average of 28°C (82°F) and a peak of 37°C (99°F). Additionally, September experiences less precipitation—with 98 mm (3.9 in) over 11 days—while July is significantly wetter, receiving 230 mm (9.1 in) across 14 days. Humidity levels are also higher in July at 89%, compared to September's 67%. For more detailed information on July weather, visit Hetian weather in July.
In September, the weather begins to transition from the heat of summer, with minimum temperatures dropping to 16°C (61°F) compared to August's warmer minimum of 20°C (69°F). The average temperature in September is 25°C (77°F), which is slightly cooler than August's average of 28°C (83°F). Despite similar maximum temperatures of 36°C (97°F) in both months, September experiences a decrease in humidity to 67%, down from August's higher humidity level of 87%. Precipitation also sees a slight reduction, with September receiving 98 mm (3.9 in) over 11 days compared to August's 105 mm (4.1 in) over 15 days. For more details on August's weather, you can refer to this link: Hetian weather in August.
September and October exhibit notable differences in weather patterns. September experiences warmer temperatures with a minimum of 16°C (61°F) and an average of 25°C (77°F), reaching a maximum of 36°C (97°F). In contrast, October sees cooler temperatures, with a minimum of 8°C (47°F) and an average of 18°C (65°F), peaking at 35°C (95°F). Additionally, while September receives more precipitation (98 mm or 3.9 in) over the same number of rainy days (11), October's rainfall is lower at 67 mm (2.6 in). Both months share a consistent humidity level of 67%. For more insights about October weather, visit Hetian weather in October.
In September, temperatures are significantly warmer, with a minimum of 16°C and an average high reaching up to 36°C, accompanied by considerable humidity at 67%. The month sees 98 mm of precipitation spread over 11 days, making it relatively humid and warm. In contrast, November brings much cooler temperatures, with lows dropping to 4°C and an average high of 28°C. Although it has a higher humidity of 75%, the overall precipitation is less, totaling 69 mm over the same number of days. For more detailed insights, you can visit Hetian weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a mild 16°C (61°F) at night to a scorching 36°C (97°F) during the day, with an average of 25°C (77°F). The month experiences significant precipitation of 98 mm (3.9 in) spread over 11 days and a humidity level of 67%. In contrast, December features much cooler temperatures, with a minimum of -4°C (24°F) and a maximum of 20°C (68°F), averaging just 8°C (46°F). Despite the cooler atmosphere, December has less rainfall, totaling 59 mm (2.3 in) over the same number of days, while humidity rises slightly to 75%. For more detailed weather information in December, visit Hetian weather in December.
As September rolls around in Hetian, the weather begins to show a remarkable transition from the sweltering peak summer months. With temperatures averaging a mild 25°C (77°F), it provides a welcome reprieve from the heat, although occasional spikes can still reach up to 36°C (97°F). Unlike the drier summer months, September experiences increased humidity levels at 67% and a significant 98 mm (3.9 in) of rainfall over approximately 11 days, marking it as one of the wetter periods of the year. This blend of warmth and moisture creates a lush landscape and a refreshing atmosphere, inviting residents and visitors alike to embrace the changes of the season. For a deeper look at what to expect throughout the year, check out the detailed information on Hetian Climate.