Last updated: August 21, 2025
In September, Longjing, China experiences a blend of warm temperatures and notable rainfall, making it a unique time of year. With maximums reaching up to 35°C (96°F) and an average temperature of 27°C (81°F), the warmth is accompanied by a minimum of 17°C (62°F), providing a comfortable range for outdoor activities. However, expect the skies to open, as precipitation totals around 167 mm (6.6 in) over approximately 19 days this month, resulting in a humid atmosphere with a humidity level of 75%. Whether you're exploring the lush landscapes or savoring local cuisine, September in Longjing promises both vibrancy and a refreshing respite from the heat.
In September, Longjing experiences a gentle transition from the heights of summer to the cooler embrace of autumn. With minimum temperatures settling at a comfortable 17°C (62°F), the region enjoys mild days where the average hovers around 27°C (81°F), peaking at a balmy 35°C (96°F). This month marks a noticeable dip in heat compared to the sizzling heights of August, while still holding onto the warmth that characterizes the season. As the humidity begins to wane, visitors can relish in the pleasant climate, ideal for exploring the natural beauty and cultural richness that Longjing has to offer.
In September, Longjing experiences a notable transition in its precipitation patterns, receiving 167 mm (6.6 in) of rainfall over 19 days. This month serves as a bridge between the summer's heavy downpours and the drier autumn chill, showcasing a significant decrease from the peak precipitation seen in the preceding months like June and August, where totals reached 499 mm and 310 mm, respectively. With the summer monsoon giving way, September's rainfall is less intense but still substantial, marking a pivotal shift as the region begins to prepare for the drier months ahead. This gradual decline in both precipitation amount and frequency sets the stage for less humid and cooler weather as the year progresses.
In September, Longjing, China, experiences a notable shift in humidity as it cools down from the sweltering summer months, with a level of 75%. This marks a decline from the peak 88% humidity seen in both July and August, providing a welcome respite as the region transitions towards autumn. The month reflects a gradual decrease that begins after the intense summer, following a peak in May at 79%. It's evident that while humidity remains relatively high in September, it paves the way for the crisp, refreshing air of October, which dips further to 65%. Overall, the humidity trends in Longjing reveal a pattern of rising warmth followed by a gentle descent into more comfortable conditions as the year progresses.
In September, Longjing, China experiences an UV Index of 11, indicating an extreme exposure category that demands caution for outdoor activities. This trend of high UV levels begins early in the year, peaking in May through August with consistent readings of 13. While September sees a slight decrease to 11, the recommended burn time remains critically short at just 10 minutes. As we transition into autumn, October brings a marginally lower UV Index of 10, but the overall trend indicates that the region consistently grapples with high UV exposure for most of the year. To stay informed and protect your skin, check out Longjing UV Index.
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As the warm embrace of September settles over Longjing, China, locals and visitors alike revel in the delightful 277 hours of sunshine that the month offers. This sunshine is part of a gradual crescendo throughout the summer, peaking in July with a remarkable 298 hours. Following this vibrant peak, September maintains a strong output, slightly tapering off but still providing ample light to enjoy the breathtaking landscapes. After the intense heat of summer, the days begin to shorten, yet the persistent glow of the sun reminds us of the seasonal shift and the beauty of early autumn in this picturesque region. This balance of sunny days invites exploration of Longjing’s verdant tea fields and serene scenery, making September a truly enchanting time to visit.
In Longjing, China, September presents a refreshing shift in weather patterns, boasting a 49% chance of sunny days—a notable increase from the summer's typical gloom. Following the particularly dreary June and August, where sunshine was elusive at just 12% and 14% respectively, September brings a breath of optimism for those craving sunlight. This month offers a significant boost compared to the preceding months like July, which held a 31% chance of sun. While still slightly below the winter months of January through November, which average around 53%, September hints at the delightful transition towards clearer skies before autumn fully sets in.
In Longjing, China, the daylight duration reflects the subtle shifts of the changing seasons. As the year unfolds, daylight begins at 10 hours in January, gradually increasing to a peak of 13 hours from May through July, signaling the vibrancy of summer. As summer fades into fall, September maintains a robust 12 hours of daylight, offering a golden opportunity for outdoor activities and harvests. However, this generous daylight begins its decline in October, tapering back to 11 hours and settling into the shorter days of winter by December. This rhythm of light showcases the elegant dance of nature as it transitions through the year.
As September arrives in Longjing, China, the winds take on a notably gentle demeanor, with an average speed of just 1.3 m/s (3 mph). This marks a decline from the breezier months earlier in the year, where spring and summer witnessed slightly stronger winds, particularly in May at 2.1 m/s (5 mph). The transition into autumn heralds a noticeable decrease in wind intensity, culminating in one of the calmest months prior to October’s anticipated resurgence to 2.9 m/s (7 mph). Such trends reveal a rhythmic pattern of seasonal change, where the tranquil September air hints at the cooling months ahead, inviting reflections and a serene pace to life in this picturesque region.
Weather in Longjing varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Longjing, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between September and January, we see a stark contrast in temperature and precipitation. September boasts warmer temperatures with a minimum of 17°C (62°F) and an average of 27°C (81°F), reaching a maximum of 35°C (96°F). This month also experiences significant rainfall, accumulating 167 mm (6.6 in) over 19 days, accompanied by high humidity at 75%. In contrast, January brings cooler conditions, with temperatures ranging from a chilly 0°C (32°F) to a comfortable 27°C (80°F) and an average of 14°C (57°F). The precipitation is notably lower at 50 mm (2.0 in) over just 7 days, and humidity decreases to 64%. For a detailed look at the weather patterns in January, check out Longjing weather in January.
In September, the weather is warm and humid, with temperatures ranging from a minimum of 17°C (62°F) to a peak of 35°C (96°F) and an average of 27°C (81°F). This month sees significant rainfall, with about 167 mm (6.6 in) spread over 19 days, resulting in a humidity level of 75%. In contrast, February offers a much cooler climate, where temperatures range from a chilly 2°C (36°F) to a more moderate 27°C (81°F), with an average of 14°C (58°F). Precipitation in February is lighter at 128 mm (5.0 in) over 11 days, accompanied by a lower humidity of 68%. For more details on February weather specifics, you can visit Longjing weather in February.
September and March present distinctly different weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), with an average of 27°C (81°F). The month experiences considerable rainfall, totaling 167 mm (6.6 in) over 19 rainy days and maintaining high humidity at 75%. In contrast, March sees cooler temperatures, with a minimum of 7°C (44°F), an average of 18°C (65°F), and a maximum of 29°C (84°F). This month is wetter, with precipitation reaching 244 mm (9.6 in) across 23 days, and humidity remains slightly lower at 73%. For a detailed look at weather conditions, you can check Longjing weather in March.
In September, the weather features warmer temperatures with averages around 27°C (81°F) and maximums reaching up to 35°C (96°F), making it a sultry month. In contrast, April presents a more temperate climate with average temperatures of 21°C (70°F), peaking at 31°C (88°F). Despite both months experiencing precipitation on 19 days, April is notably wetter with 254 mm (10.0 in) of rainfall compared to September's 167 mm (6.6 in). The humidity levels are slightly higher in September at 75%, while April maintains a comfortable 71%. For more detailed information, you can check out Longjing weather in April.
When comparing the weather in September and May, September generally experiences warmer temperatures, with averages around 27°C (81°F) and maximums reaching 35°C (96°F), while May's average is slightly cooler at 25°C (78°F) with maximums of 34°C (94°F). Both months witness significant rainfall, but May stands out with higher precipitation levels at 266 mm (10.5 in) over 24 days, compared to September's 167 mm (6.6 in) across 19 days. Humidity levels are quite similar in both months, with September at 75% and May slightly higher at 79%. For a more detailed look at the weather specifics, you can check out Longjing weather in May.
In comparing the weather of September and June, both months exhibit similar average temperatures, ranging from a minimum of 17°C (62°F) in September to 20°C (69°F) in June, with highs reaching 35°C (96°F) and 35°C (94°F), respectively. However, September tends to be slightly drier, with 167 mm (6.6 in) of precipitation over 19 days, compared to June's significantly wetter conditions, which see 499 mm (19.6 in) of rain spread over 26 days. Additionally, humidity levels are comparable, with September at 75% and June slightly higher at 77%. For a more detailed look at June weather, check out Longjing weather in June.
In comparing the weather between September and July, September features slightly lower average temperatures, ranging from a minimum of 17°C (62°F) to a maximum of 35°C (96°F), while July showcases warmer conditions with a minimum of 23°C (74°F) and a maximum of 36°C (98°F). Precipitation is significantly higher in July, with 230 mm (9.0 in) spread across 22 days, compared to September's 167 mm (6.6 in) over 19 days. Additionally, humidity levels are slightly higher in July at 88%, versus September's 75%, making July feel more oppressive. For a closer look at July's weather patterns, you can check out Longjing weather in July.
In August, the weather tends to be warmer and more humid compared to September, with minimum temperatures around 23°C (74°F) and maximums reaching 37°C (98°F). The average temperature of 28°C (82°F) is slightly higher than September's average of 27°C (81°F). Additionally, August experiences significantly more rainfall, totaling 310 mm (12.2 in) over 25 days, compared to September's 167 mm (6.6 in) across 19 days. The humidity in August is also higher at 88%, while September sees a decrease to 75%. For a detailed look at August conditions, visit Longjing weather in August.
September and October present notable contrasts in weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 35°C (96°F), with an average of 27°C (81°F). The month experiences significant rainfall, totaling 167 mm (6.6 in) across 19 days, accompanied by high humidity levels reaching 75%. In contrast, October brings cooler temperatures, with a minimum of 14°C (58°F) and an average of 23°C (74°F), peaking at 34°C (94°F). Precipitation is significantly reduced to 68 mm (2.7 in) over just 9 days, and humidity drops to a more comfortable 65%. These changes signal a transition toward drier and cooler conditions as the season progresses. For more details about weather conditions, check Longjing weather in October.
In September, the weather is typically warmer, with average temperatures ranging from a minimum of 17°C (62°F) to a maximum of 35°C (96°F). This month also experiences significant rainfall, with 167 mm (6.6 in) falling over 19 days, contributing to a high humidity level of 75%. In contrast, November brings cooler temperatures, ranging from a minimum of 10°C (51°F) to a max of 29°C (85°F), with a more manageable average of 19°C (67°F). Precipitation drops considerably to 47 mm (1.9 in) over just 8 days, resulting in lower humidity levels at 64%. For a detailed look at weather conditions, you can check Longjing weather in November.
The weather in September is characterized by warm temperatures, with a minimum of 17°C (62°F), an average of 27°C (81°F), and a maximum that can reach up to 35°C (96°F). This month also sees significant precipitation, with 167 mm (6.6 in) falling over about 19 days, contributing to a high humidity level of 75%. In contrast, December brings a much cooler climate, where temperatures drop to a minimum of 4°C (40°F), hover around an average of 14°C (58°F), and peak at a much milder 27°C (82°F). Rainfall in December is considerably less, with only 32 mm (1.3 in) over 6 days and a slightly lower humidity of 69%. For more specific details about December conditions, you can refer to Longjing weather in December.
As the summer sun begins to wane in September, Longjing experiences a significant transition in weather patterns. The temperature hovers comfortably, warm during the day yet refreshingly cool at night, providing a delightful reprieve from the intense heat of the peak summer months. However, this month also brings about increased humidity and a notable rise in the number of rainy days, making it one of the wetter periods of the year. With a total of 167 mm of precipitation expected over nearly two-thirds of the month, September stands apart from both the preceding rich summer heat and the impending cooler autumn days. For a comprehensive overview of the weather trends throughout the year, explore our detailed analysis at Longjing Climate.