Last updated: August 21, 2025
In Dunhuang, China, September showcases a vibrant spectrum of weather, where the maximum temperature can soar to 37°C (98°F), while the average hovers around a pleasant 21°C (70°F). As temperatures dip to a cool 4°C (40°F) at night, it creates a striking daily contrast. This month is characterized by minimal precipitation, with only 1 mm (0.0 in) recorded across 0 days, making it an ideal time for exploration. With humidity levels resting comfortably at 32%, the dry and warm climate invites visitors to bask in the rich cultural heritage and stunning landscapes of this remarkable region.
As September rolls into Dunhuang, China, the temperatures begin to shift, signaling the transition from the sweltering summer heat to a more temperate autumn. With a minimum of 4°C (40°F) and a comfortable average of 21°C (70°F), visitors can enjoy the pleasant days without the blazing sun of the preceding months. The maximum temperature reaches 37°C (98°F), a reminder of the lingering summer warmth. This month stands out as a perfect time to explore the stunning landscapes and rich cultural heritage of Dunhuang, offering the ideal balance between warm days and cooler evenings, while hinting at the cooler weather that will soon follow.
In Dunhuang, China, September marks a continuation of the arid climate typical of the region, as the month records a mere 1 mm of precipitation, with no rainy days to speak of. This minimal rainfall is part of a trend seen throughout the year, where summer months experience slightly more moisture—peaking in July and August at 9 mm—before tapering off into the dry fall months. Notably, September lacks any significant weather events, aligning with the pattern of low precipitation that dominates the autumn season. As the landscape transitions into October and beyond, the consistently low figures underscore Dunhuang's reputation as a dry and desert-like environment, making it a fascinating study in the extremes of climate.
As summer transitions to autumn in Dunhuang, China, September experiences a slight increase in humidity, rising to 32% from the notably low levels of 25% seen in the preceding months. This uptick marks a refreshing shift in the dry desert climate, bringing a sense of relief as the humidity begins to climb once again. After a dry summer characterized by its lowest point of 25% in both July and August, the rise in humidity signals the approach of October, which boasts a higher average of 48%. This burst of moisture in September hints at the changing seasons, setting the stage for a gradual increase in humidity as winter approaches, where levels will rise significantly through November and December, reaching 54% and 50%, respectively.
As September rolls in Dunhuang, China, the UV Index remains notably high at 8, categorized as very high, with a burn time of just 15 minutes. This follows a summer of intense UV exposure, peaking at an extreme 11 in June. Although the index dips slightly from the earlier months, it reflects a consistent trend of elevated UV levels that characterizes the region from late spring through early autumn. Visitors and residents alike should remain vigilant about sun protection during this time. For more details on UV exposure in Dunhuang, check out the Dunhuang UV Index.
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As summer transitions into autumn, September in Dunhuang, China, enjoys a generous 337 hours of sunshine, continuing the trend of bright, sun-drenched days characteristic of the region's warmer months. Following a peak in July with a remarkable 372 hours, the sunlit hours gradually decline but remain substantial, showcasing the area’s typical dry and sunny climate. This delightful blend of warmth and sun not only invites exploration of the stunning landscapes but also creates a vivid backdrop for experiencing the rich cultural tapestry of Dunhuang. With October following closely behind at 316 hours, the allure of September sunshine serves as a perfect prelude to the vibrant autumn hues that paint the desert oasis.
In Dunhuang, China, September brings a delightful 73% chance of sunny weather, making it one of the sunniest months of the year. This transitional month sees a noticeable increase in sunshine compared to the cooler spring and early summer months, where the chances hovered around the low fifties. After July and August's high, the sun persists into September, paving the way for pleasant outdoor activities. As autumn approaches, the likelihood of sun remains strong, with October and November also boasting high percentages, ensuring that the warm glow of late summer lingers just a bit longer in this enchanting region.
As September arrives in Dunhuang, China, the days begin to shorten, offering a glimpse into the transition from summer to autumn. With 12 hours of daylight, September still enjoys a generous amount of light compared to the months ahead, yet it marks a subtle decline from the peak summer days of 14 hours in June and July. This gradual decrease reflects a larger trend throughout the year, where daylight lengthens from a mere 9 hours in January to a vibrant high in summer, before tapering off into 11 hours in October. Such variations not only accentuate the shifting seasons but also enrich the region's dynamic landscape and cultural rhythm.
As summer transitions to autumn in Dunhuang, September brings a gentle lull in wind activity, with average speeds dipping to 3.3 m/s (7 mph). This slight decrease follows a summer peak of 4.0 m/s (9 mph) in both July and May, where the winds were more robust, providing a refreshingly cool respite from the heat. The trend appears to soften as the month's end approaches, hinting at the cooler, calmer days of fall ahead. Interestingly, September's winds mirror February's subtle breezes, emphasizing a year-round pattern where the winds tend to ease as the seasons shift toward winter, culminating in a tranquil atmosphere that beckons contemplation amidst the striking landscapes of Dunhuang.
Weather in Dunhuang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Dunhuang, focusing on differences in temperature, rainfall, humidity, and UV levels.
As September transitions from warm summer days to pleasant autumn, temperatures can range from a refreshing 4°C (40°F) at night to a balmy 37°C (98°F) during the day, with low humidity at just 32% and virtually no precipitation. In contrast, January ushers in the deep chill of winter, where temperatures can plummet to a minimum of -20°C (-4°F) and only rise to a maximum of 11°C (52°F), along with higher humidity levels at 47% despite minimal precipitation. For more detailed information, you can check Dunhuang weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures can soar from a cool 4°C (40°F) at night to a sweltering 37°C (98°F) during the day, with an average of 21°C (70°F) and very low humidity at 32%. Remarkably, there is no recorded precipitation during the month. In contrast, February experiences chilling cold, with temperatures ranging from a bitter -20°C (-4°F) at night to a mild maximum of 17°C (63°F), averaging around -1°C (30°F). This month also has a higher humidity level at 43%, yet it similarly sees no precipitation. For more specifics on February's weather, you can check Dunhuang weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a cool 4°C (40°F) to a scorching high of 37°C (98°F), with an average of 21°C (70°F). This month features very little precipitation, averaging only 1 mm (0.0 in) and enjoys a low humidity of 32%. On the other hand, March experiences much cooler temperatures, with a minimum of -10°C (15°F) and a maximum of 26°C (79°F), averaging around 8°C (46°F). Like September, March also sees no recorded precipitation and slightly higher humidity at 38%. For more detailed insights into the weather in March, you can visit Dunhuang weather in March.
In September, the weather is significantly warmer, with average temperatures reaching up to 21°C (70°F) and maximums soaring to 37°C (98°F). The month sees almost no precipitation, with humidity around 32%. In contrast, April experiences cooler temperatures, with averages at 15°C (59°F) and maximums of 31°C (89°F), along with some light rain, totaling 4 mm over just one day. Humidity in April is slightly higher at 36%, making the overall feel of the month more brisk compared to the summer warmth of September. For more insights on the weather in April, you can check out Dunhuang weather in April.
In September, the weather typically features a broad temperature range, with minimums reaching 4°C (40°F), averaging around 21°C (70°F), and maximums soaring up to 37°C (98°F). This month is marked by very low precipitation, with only 1 mm recorded over zero days and a humidity level of 32%. In contrast, May exhibits similar minimum temperatures of 4°C (40°F) and an average of 21°C (70°F), but it tends to be slightly warmer at the upper end, with maximums reaching up to 38°C (100°F). May also sees a bit more precipitation, with 5 mm recorded over a single day, and a slightly lower humidity level of 30%. For a more detailed look at May weather, visit Dunhuang weather in May.
In comparing the weather between September and June, September typically offers milder temperatures, with a minimum of 4°C (40°F) and an average of 21°C (70°F), whereas June starts off warmer with a minimum of 12°C (53°F) and an average of 25°C (78°F). Both months can reach a maximum of 37°C (98°F), but September boasts significantly lower humidity at 32%, compared to June's 27%. Additionally, September is notably drier, with negligible precipitation of just 1 mm over 0 days, while June experiences more rain, accumulating 8 mm across 2 days. For further insights on June weather patterns, see Dunhuang weather in June.
When comparing the weather between September and July, September offers a wider temperature range with minimums dipping to 4°C (40°F) and maximums reaching up to 37°C (98°F), averaging around 21°C (70°F). In contrast, July presents much warmer conditions, featuring minimums of 16°C (61°F) and maximums soaring to 42°C (108°F), with an average temperature of 28°C (83°F). Humidity levels in September are slightly higher at 32%, while July maintains a lower humidity of 25%. Additionally, September sees negligible precipitation, with only 1 mm recorded across 0 days, whereas July experiences some rainfall, accumulating 9 mm over 1 day. For a more detailed look at July's climate, you can visit Dunhuang weather in July.
In September, the weather demonstrates a gradual cooling trend, with a minimum temperature of 4°C (40°F), an average of 21°C (70°F), and a maximum of 37°C (98°F). Notably, September sees significantly lower precipitation, recording just 1 mm over the month with zero rainy days and a humidity level of 32%. In contrast, August is warmer, featuring a minimum temperature of 11°C (52°F), an average of 26°C (80°F), and peaking at 40°C (103°F). Additionally, August experiences more rainfall, with 9 mm of precipitation over one rainy day and a humidity of 25%. For a detailed look at August weather, you can visit Dunhuang weather in August.
In September, the weather is typically warm, with temperatures ranging from a cool 4°C (40°F) at night to a scorching high of 37°C (98°F) during the day, while average temperatures settle around 21°C (70°F). Humidity remains relatively low at 32%, contributing to the dry conditions, with no recorded precipitation throughout the month. In contrast, October brings a notable drop in temperatures, with nighttime lows plunging to -5°C (24°F) and daytime highs peaking at 33°C (91°F). The average temperature falls to 11°C (51°F), accompanied by an increase in humidity to 48%. Like September, October also sees little to no rain, recording only 1 mm (0.0 in) over the month, making for another dry period. For more details on October's weather in Dunhuang, you can visit Dunhuang weather in October.
September typically boasts much warmer weather compared to November, with average temperatures around 21°C (70°F) and maximums reaching up to 37°C (98°F). In contrast, November brings a significant drop in temperature, with averages plummeting to just 1°C (35°F) and minimums dipping as low as -14°C (6°F). Despite both months experiencing minimal precipitation, September enjoys a dry climate with only 1 mm of rain, while November sees slightly more at 2 mm, though still with no rainy days. Additionally, the humidity levels in November are notably higher at 54%, compared to September's 32%, resulting in a much colder and brisk feel. For more details about the weather in November, you can visit Dunhuang weather in November.
September and December present contrasting weather conditions. In September, temperatures range from a pleasant minimum of 4°C (40°F) to a scorching maximum of 37°C (98°F), with an average of 21°C (70°F) and low humidity at 32%. In stark contrast, December brings much chillier temperatures, with a minimum of -19°C (-2°F) and a maximum of only 9°C (48°F), resulting in an average of -6°C (21°F) and increased humidity at 50%. While both months see minimal precipitation, the experiences of warmth in September and the biting cold of December showcase the dramatic seasonal shift. For those interested in specific December weather patterns, check out Dunhuang weather in December.
September in Dunhuang offers a refreshing transition from the sweltering summer heat, with the average temperatures making it a more comfortable time to explore this enchanting region. The minimal precipitation and low humidity levels contribute to the pleasant and dry conditions, allowing for abundant sunshine without the oppressive stickiness of mid-summer months. As the summer warmth gradually wanes, September stands out as a delightful period where you can experience the area's stunning landscapes and vibrant cultural heritage in a more temperate setting. For more insights into the weather patterns throughout the year, visit Dunhuang Climate.