Last updated: August 21, 2025
In Yenan, China, September brings a tropical climate characterized by a maximum temperature soaring up to 39°C (103°F), while the average hovers around a comfortable 28°C (83°F). As nights cool, temperatures can dip to a refreshing 18°C (64°F). This month sees 104 mm (4.1 in) of rainfall spread over approximately 14 days, contributing to a humidity level of 61%. Visitors can expect warm, humid weather, making it an ideal time for exploring the region, though the occasional rain could offer a refreshing respite from the heat.
As September unfolds in Yenan, China, temperatures begin to reflect a transition towards autumn. The month starts with a mild minimum of 18°C (64°F), gradually peaking at a sizzling 39°C (103°F) during the day, while maintaining an inviting average of 28°C (83°F). This warm climate marks a notable shift from the ultra-hot summer months, yet it lingers long enough to enjoy outdoor activities. Interestingly, while September still revels in summer heat, the evening air offers a more refreshing feel, hinting at the cooler days to come as the year progresses. Thus, September serves as a bridge between the intense warmth of summer and the moderate temperatures of autumn, making it an ideal time for both exploration and relaxation in this vibrant region.
September in Yenan, China, marks a transition in precipitation patterns, boasting 104 mm (4.1 in) of rainfall over 14 days. This month sits comfortably between the summer's heavy downpour and the autumn's retreating moisture, showcasing a notable decrease from the peak months of June and July, which saw 279 mm (11.0 in) and 95 mm (3.7 in), respectively. However, it remains wetter than the drier months ahead, particularly October with just 39 mm (1.5 in). The consistent rainfall in September plays a crucial role in supporting agricultural activities as farmers prepare for the harvest season, reflecting a delicate balance in Yenan's climatic cycle as it shifts from summer warmth to autumn coolness.
In Yenan, China, September marks a noticeable shift in the climate, with humidity dropping to a comfortable 61%. This decline follows a peak during the summer months, where humidity levels soared as high as 87% in July. After the intense, muggy heat of summer, the refreshing decrease in September provides a welcomed relief, paving the way for the more moderate conditions of autumn. The overall trend showcases a gradual humidity increase from January through August, with September standing out as a transitional month that signals the approaching fall, ultimately leading into October’s similar level of 62%.
In September, Yenan, China, continues to experience an extreme UV Index of 11, with a rapid burn time of just 10 minutes. This trend reflects the tail end of a summer season marked by consistent extreme levels of UV exposure, peaking at 13 from May through August. As the days begin to shorten and temperatures cool, the UV intensity slightly decreases, yet caution remains crucial for outdoor activities. With values fluctuating throughout the year, it’s clear that residents and visitors should stay vigilant against UV exposure year-round. For detailed insights and precautions, check the Yenan UV Index.
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In Yenan, China, September basks in an impressive 281 hours of sunshine, continuing the trend of abundant daylight that peaks during the summer months. As we move from July's record 313 hours and August's 300 hours, it's clear that the region enjoys a vibrant solar climax before the autumn chill sets in. With each passing month earlier in the year, sunlight gradually increases, starting from a modest 200 hours in January and steadily climbing, culminating in the sun-drenched days of late summer. This pattern provides a warm farewell to summer, seamlessly transitioning into October’s subtler 251 hours of sunlight, hinting at the seasonal shift. The rhythm of light throughout the year not only enriches the landscape but also invigorates the spirit of those who inhabit this charming region.
As September rolls into Yenan, China, the likelihood of sunny weather sees a significant uptick, boasting a 55% chance of sunshine. This marks a notable increase compared to the summer months, where the chances languished around 12% to 31%. As the season transitions from the sweltering heat of July and August, September offers a refreshing shift, inviting more chances for outdoor activities under clear skies. Looking at the broader yearly trends, the arrival of autumn brings an optimistic outlook for sun-seekers, as the chances remain higher than the subsequent months of October and November. Ultimately, September stands out as a month where the sun shines a little brighter in Yenan, making it an appealing time to enjoy the outdoors.
As September arrives in Yenan, China, the days begin to transition from the long, sun-filled months of summer, settling into a balanced daylight duration of 12 hours. This steady daylight mirrors the patterns established earlier in the year, with preceding months of July and August also offering the same sunlit duration. The gradual shift from the 13-hour summer days to the more moderate 12-hour days suggests a gentle approach to the fall season. Looking ahead, October and November will see a further decrease in daylight, emphasizing the seasonal rhythm as daylight dwindles to 10 hours by December, inviting the crispness of winter just around the corner.
As the seasons shift in Yenan, China, the average wind speed gently ebbs and flows, reflecting the rhythms of nature. In September, the winds notably calm down to an average of 1.5 m/s (3 mph), marking the lowest point of the year. This subtle decline from the summer months, where winds hovered around 2.1 m/s (5 mph), signals a transitional period. Following a brief respite, October promises a revival with winds picking up again to 2.5 m/s (6 mph). Overall, this pattern showcases the dynamic interplay of seasonal changes, where each month brings its own character, gently weaving a tapestry of natural rhythms in the region's climate.
Weather in Yenan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yenan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is considerably warmer, with temperatures ranging from a minimum of 18°C (64°F) to a scorching maximum of 39°C (103°F) and an average of 28°C (83°F). This month experiences significant rainfall, with 104 mm (4.1 in) of precipitation spread over 14 days, contributing to a humidity level of 61%. In contrast, January presents a much cooler climate, with temperatures ranging from 0°C (33°F) to a maximum of 28°C (83°F) and an average of 14°C (58°F). The month sees substantially less rainfall, with only 37 mm (1.4 in) occurring over just 4 days, while humidity rises slightly to 66%. For more details on January weather, check out Yenan weather in January.
September and February present stark contrasts in weather conditions. September boasts warmer temperatures, with daily averages around 28°C (83°F) and highs reaching up to 39°C (103°F), while February experiences much cooler weather, averaging 15°C (59°F) and peaking at 30°C (86°F). Additionally, September sees more rainfall, accumulating 104 mm (4.1 in) over 14 days, in contrast to February's 60 mm (2.3 in) over 9 days. Humidity is also notable in both months, with September at 61% and February slightly higher at 70%. For a more detailed look at February’s weather, you can check Yenan weather in February.
September and March present contrasting weather patterns. In September, temperatures range from a minimum of 18°C (64°F) to a maximum of 39°C (103°F), with an average of 28°C (83°F). This month also sees considerable rainfall, with 104 mm (4.1 in) over 14 days and a humidity level of 61%. Conversely, March experiences cooler temperatures, with a minimum of 6°C (43°F), an average of 19°C (66°F), and a maximum of 34°C (93°F). It also has slightly higher precipitation at 118 mm (4.6 in), though it maintains the same frequency of 14 rainy days. Humidity in March is notably higher at 77%, making it feel more humid than in September. For more detailed insights, check out Yenan weather in March.
In comparing the weather of September and April, notable differences emerge in temperature, precipitation, and humidity. September experiences warmer temperatures with a minimum of 18°C (64°F) and an average of 28°C (83°F), while April is cooler, starting at a minimum of 8°C (48°F) and averaging 22°C (72°F). The maximum temperatures in September can soar to 39°C (103°F), significantly higher than April's peak of 35°C (95°F).
When it comes to precipitation, April sees a slightly higher amount, measuring 129 mm (5.1 in) over 13 days compared to September's 104 mm (4.1 in) over 14 days. Additionally, humidity is higher in April at 76%, compared to September's 61%. For more detailed insights into the weather during this time, you can check out Yenan weather in April.
When comparing the weather in September and May, it's clear that both months can reach high temperatures, with maximums peaking at 39°C (103°F) in September and 39°C (102°F) in May. However, September tends to be warmer overall with an average temperature of 28°C (83°F) compared to May's 26°C (79°F). Additionally, May experiences higher humidity levels, averaging 85%, while September's humidity sits at 61%. Precipitation is significantly greater in May, totaling 190 mm (7.5 in) over 16 days, compared to September's 104 mm (4.1 in) over 14 days. For more details on May weather conditions, you can visit Yenan weather in May.
Both September and June experience similar average temperatures, hovering around 28°C (82°F). However, September typically has slightly milder minimum temperatures of 18°C (64°F) compared to June's 21°C (69°F). While the maximum temperatures can reach up to 39°C (103°F) in September and 39°C (102°F) in June, June is considerably wetter, receiving about 279 mm (11.0 in) of precipitation over 21 days, compared to September's 104 mm (4.1 in) over 14 days. Additionally, June has a higher humidity level at 80%, compared to September's 61%. For more details, you can check Yenan weather in June.
In comparing the weather of September to July, we see some notable differences. September tends to be slightly cooler with an average temperature of 28°C (83°F), while July's average is a bit higher at 29°C (85°F). However, July experiences higher minimum temperatures, starting at 24°C (75°F) compared to September's 18°C (64°F). Both months see significant precipitation, but September has a bit more rainfall at 104 mm (4.1 in) over 14 days, contrasted with July’s 95 mm (3.7 in) over 16 days. Humidity is also noticeably higher in July at 87%, compared to September's more comfortable 61%. For a detailed look at July weather, you can check Yenan weather in July.
In comparing the weather between September and August, September shows slightly cooler temperatures, with a minimum of 18°C (64°F) compared to August's minimum of 23°C (74°F). The average temperature in September is 28°C (83°F), just a degree lower than August's 29°C (84°F). Both months experience similar maximum temperatures, peaking at 39°C (103°F) in September and 39°C (102°F) in August. Precipitation in September is significantly lower at 104 mm (4.1 in) across 14 days, contrasted with August's 159 mm (6.3 in) over 20 days, indicating a wetter month. Humidity levels also drop in September to 61%, while August maintains a higher humidity of 84%. For more detailed information on August weather in Yenan, you can visit Yenan weather in August.
September typically experiences warmer temperatures, with minimums around 18°C (64°F) and maximums reaching up to 39°C (103°F), while October sees a slight decrease, with minimums dropping to 14°C (57°F) and maximums peaking at 38°C (100°F). In terms of precipitation, September is much wetter, receiving about 104 mm (4.1 in) over 14 days, compared to October's 39 mm (1.5 in) across just 6 days. The humidity levels remain relatively consistent, with September at 61% and October slightly higher at 62%. For more detailed information, you can check Yenan weather in October.
In September, the weather is characterized by high temperatures, with a minimum of 18°C (64°F) and an average of 28°C (83°F), peaking at a scorching maximum of 39°C (103°F). This month also sees considerable rainfall, totaling 104 mm (4.1 in) over 14 days, contributing to a humidity level of 61%. In contrast, November experiences much cooler conditions, with temperatures ranging from a minimum of 9°C (49°F) to an average of 20°C (69°F), and a max of 31°C (89°F). Precipitation drops significantly to 26 mm (1.0 in) across just 6 days, and humidity levels increase slightly to 67%. For a more detailed look at the November weather, visit Yenan weather in November.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 18°C (64°F) to a scorching maximum of 39°C (103°F), and an average temperature of 28°C (83°F). The month is characterized by considerable humidity at 61% and 104 mm (4.1 in) of rainfall spread over 14 days, making it a wet and humid time of year. In contrast, December sees much cooler temperatures, with a minimum of 5°C (41°F), an average of 15°C (59°F), and a maximum of 30°C (86°F). This month is significantly drier, with only 20 mm (0.8 in) of precipitation falling over just 4 days, while humidity rises to 74%, creating a crisp but comfortable atmosphere. For more details on December weather in this region, you can visit Yenan weather in December.
As September rolls into Yenan, the weather begins to shift, presenting a blend of warm temperatures and increased humidity compared to the preceding summer months. The average temperature of 28°C (83°F) offers a comfortable respite, while occasional peaks can soar up to 39°C (103°F). Rainfall becomes more frequent during this month, with 14 days of precipitation contributing to a total of 104 mm (4.1 in). This combination of warmth and moisture creates a vibrant atmosphere, setting the stage for a transition towards the cooler days ahead. For further details on what to expect throughout the year, check out Yenan Climate.