Last updated: August 21, 2025
In September, Longquan, China experiences a diverse range of weather conditions. The month showcases a maximum temperature reaching 37°C (99°F), while the average temperature settles around a comfortable 26°C (78°F) and can dip to a cooler 16°C (61°F) at night. Rainfall is a significant aspect of this month, with 96 mm (3.8 in) of precipitation spread over 11 days, leading to a humidity level of 63%. This combination of warmth and moisture brings a vibrant atmosphere to the region, making it an intriguing time for residents and visitors alike to enjoy the unique charm of Longquan.
As September rolls in, Longquan, China experiences a refreshing transition with temperatures that hint at the approaching autumn. The month showcases a minimum temperature of 16°C (61°F), while the average settles at a comfortable 26°C (78°F), peaking at 37°C (99°F). This marks a notable shift from the intense summer heat of July and August, where temperatures soared into the high 30s. With September’s warmth still reminiscent of summer but tempered by cooler nights, it offers a pleasant blend of sunny days ideal for outdoor activities and mild evenings perfect for relaxation. The gradual decline in temperatures signals the beginning of the seasonal change, enticing visitors to explore the beauty of Longquan as nature begins to don its autumn hues.
September in Longquan, China, ushers in a transition with precipitation measuring 96 mm (3.8 in) over 11 days. This month continues the trend of a notable decline in rainfall from the warmer months, with September's amounts lower than the summer highs of July and August, yet still remaining above the October dip of 60 mm. This slight decrease in rainfall intensity marks a shift toward drier conditions as the region heads into autumn. While the rains ease up, the lingering moisture from September can rejuvenate the landscape, offering a refreshing close to the summer monsoon season before the cooler months settle in.
In Longquan, China, September sees a notable dip in humidity, with levels falling to 63%, a significant decline from the peak of 89% in July. This shift marks the transition from the sweltering summer months, characterized by high humidity, towards the drier fall season. As temperatures begin to cool, the humidity continues to decrease, dropping further to 59% by October. This steady decline in humidity not only enhances comfort levels for residents but also signals the approach of autumn, a time when the air becomes crisper and the landscape transforms. In the context of the year's humidity trends, September stands out as a refreshing turning point, paving the way for the drier months ahead.
As September rolls in Longquan, China, the UV Index remains high, peaking at 11 and categorizing exposure as extreme. This dip from the peak summer months of July and August, where the UV Index reached 13, signals a subtle shift in the solar intensity. Nevertheless, the burn time is still a brief 10 minutes, reminding residents and visitors alike to prioritize sun safety. Positioned between the intense summer sun and October's slightly less aggressive 10 index, September's UV conditions emphasize the importance of protection as outdoor activities remain popular. For more detailed information on UV trends throughout the year, check out Longquan UV Index.
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As September unfolds in Longquan, China, the city basks in 266 hours of sunshine, a delightful continuation of summer's warmth. Following the peak of 320 hours in August, September still showcases ample daylight, though it begins to hint at the cooler months ahead. This trend of increasing sunshine hours from January's 137 hours to August's impressive peak not only elevates the spirits but also underscores the region's transition into autumn. With October's forecast of 188 hours, the gradual decrease in daylight becomes evident, inviting a cozy transition while still offering plenty of opportunities to enjoy the last golden rays of summer.
As September rolls in, Longquan, China, showcases a notable increase in sunny weather, with a 54% chance of sunshine. This marks a significant rebound from the summer months, where the likelihood of sunny days dips, particularly in June (16%) and August (18%). During the transition from summer to autumn, September emerges as a favorable month for outdoor activities, offering abundant sunshine that mirrors the 56% chance seen in January and exceeds the cloudier fall months ahead, like October (29%). With this trend, September stands out as a delightful opportunity to enjoy the outdoors before the cooler days settle in.
In Longquan, China, the daylight duration changes steadily throughout the year, reflecting the rhythm of the seasons. September, with its 12 hours of daylight, marks a gentle transition from the longer, sun-filled days of summer to the shorter days of autumn. This month retains the ample light seen in June, July, and August, which each boast a consistent 13 hours. As the year progresses, daylight gradually decreases, dipping to 11 hours in October and returning to 10 hours in both January and November. This gradual ebb showcases the shifting patterns of light in Longquan, inviting residents and visitors alike to savor the remaining warmth of summer while embracing the cooler days ahead.
In September, the winds in Longquan, China, gently ease into a tranquil rhythm, with an average speed of 1.7 m/s (4 mph)—the calmest of the year. This marks a noteworthy decline from the breezier summer months, where July reached 2.7 m/s, and reflects a transition from the warmth and activity of summer to the cooler, serene embrace of autumn. As the days shorten and the air cools, the subtle winds of September set the stage for the vibrant seasonal changes ahead, offering a serene backdrop for reflection and anticipation in this beautiful region.
Weather in Longquan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Longquan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September features warm temperatures with a minimum of 16°C (61°F) and an average of 26°C (78°F), peaking at a high of 37°C (99°F). It is also relatively wet, receiving 96 mm (3.8 in) of precipitation over 11 days, while humidity hovers around 63%. In contrast, January brings a significant drop in temperatures, with a minimum of -3°C (26°F) and an average of 6°C (44°F), reaching a maximum of 22°C (71°F). The month is drier, with only 49 mm (1.9 in) of rain over 9 days, and the humidity remains similar at 62%. For more detailed weather insights during January, you can view Longquan weather in January.
September and February present strikingly different weather patterns. September enjoys warm temperatures, with a minimum of 16°C (61°F) and an average of 26°C (78°F), peaking at a sizzling 37°C (99°F). The month sees moderate precipitation, with 96 mm (3.8 in) over 11 days, accompanied by a comfortable humidity level of 63%. In contrast, February is notably cooler, with temperatures dipping to a minimum of -3°C (27°F) and an average of 8°C (47°F), while still reaching a maximum of 26°C (80°F). This month experiences a similar level of precipitation at 97 mm (3.8 in) over 12 days, but with slightly higher humidity at 66%. For more detailed insights into February weather, you can visit Longquan weather in February.
September and March present contrasting weather patterns. September typically enjoys warmer temperatures, with average highs reaching 26°C (78°F) and peaks at 37°C (99°F), while March is significantly cooler, averaging just 14°C (57°F) with maximums of 29°C (85°F). In terms of precipitation, March experiences a notable increase, with 212 mm (8.4 in) of rainfall over 21 days, compared to September's 96 mm (3.8 in) over 11 days. Additionally, humidity levels are higher in March at 73%, compared to September’s 63%. For a detailed look at March weather in Longquan, check out Longquan weather in March.
When comparing the weather in September and April, September tends to be warmer with an average temperature of 26°C (78°F) and highs reaching up to 37°C (99°F). In contrast, April has a cooler average temperature of 18°C (64°F), with maximum temperatures around 32°C (89°F). Additionally, April experiences more rain, with 196 mm (7.7 in) of precipitation over 18 days compared to September's 96 mm (3.8 in) over 11 days. However, April's humidity is slightly higher at 70% compared to September's 63%. For more detailed information, you can visit Longquan weather in April.
Comparing the weather in September and May reveals notable differences in temperature, precipitation, and humidity. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 37°C (99°F), with an average of 26°C (78°F). This month sees about 96 mm (3.8 in) of rain over 11 days, accompanied by a humidity level of 63%. In contrast, May has cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 34°C (93°F), averaging 23°C (73°F). However, May is significantly wetter, receiving 280 mm (11.0 in) of rainfall over 18 days, and features a higher humidity of 84%. For more detailed insights, you can visit Longquan weather in May.
In comparing the weather of September and June, both months start with a minimum temperature of 16°C (61°F) and an average temperature of approximately 26°C (78°F). However, September experiences higher maximum temperatures, reaching up to 37°C (99°F), compared to June's maximum of 35°C (94°F). Additionally, September has significantly less precipitation, with 96 mm (3.8 in) over 11 days, while June sees much heavier rainfall totaling 275 mm (10.8 in) across 19 days. The humidity levels also differ, standing at 63% in September versus a higher 83% in June, leading to a more humid atmosphere during the latter month. For a more detailed look at June weather, you can refer to Longquan weather in June.
When comparing the weather in September and July, we observe some notable differences. September typically features a more moderate temperature range, with minimums around 16°C (61°F) and maximums reaching up to 37°C (99°F), averaging 26°C (78°F). In contrast, July is generally warmer, with minimum temperatures starting at 19°C (67°F) and peaking at 39°C (102°F), averaging 29°C (84°F).
Additionally, July experiences more precipitation, totaling 180 mm (7.1 in) over approximately 14 days, compared to September’s 96 mm (3.8 in) over 11 days. The humidity also tends to be higher in July at 89%, compared to September’s 63%. For those interested in a detailed overview of July's climate, please refer to Longquan weather in July.
In comparing the weather conditions of September and August, September tends to be slightly cooler with an average temperature of 26°C (78°F), compared to August's warmer average of 28°C (83°F). While both months share a maximum temperature of 37°C (99°F), September starts off at a lower minimum of 16°C (61°F) than August's 21°C (70°F). Additionally, September receives less precipitation, totaling 96 mm (3.8 in) over 11 days, whereas August is notably wetter, with 135 mm (5.3 in) falling over 15 days. Humidity levels also drop in September to 63%, a noticeable decrease from August’s higher humidity of 87%. For a closer look at August’s weather specifics, you can visit Longquan weather in August.
September and October present a noticeable shift in weather patterns. September enjoys warmer temperatures, with an average of 26°C (78°F) and highs peaking at 37°C (99°F), while October cools down significantly, showcasing an average of 18°C (65°F) and maximums reaching 35°C (95°F). Additionally, September experiences more rainfall, totaling 96 mm (3.8 in) over 11 days, compared to October's 60 mm (2.4 in) across 9 days, indicating a gradual transition towards drier conditions. Humidity levels slightly decrease from 63% in September to 59% in October, contributing to a more comfortable atmosphere as the month progresses. For more specific details, visit Longquan weather in October.
September and November showcase a significant shift in weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 37°C (99°F), with an average temperature of 26°C (78°F). The month also experiences notable humidity at 63% and approximately 96 mm (3.8 in) of precipitation over 11 days. In contrast, November presents a cooler climate, with temperatures dipping to a minimum of 4°C (40°F) and averaging around 14°C (57°F). The maximum temperature in November reaches 28°C (82°F), and while the precipitation is slightly lower at 90 mm (3.5 in), it occurs over 10 days and is accompanied by a slightly higher humidity level of 66%. For more detailed insights, you can visit Longquan weather in November.
September and December present strikingly different weather profiles. In September, temperatures range from a minimum of 16°C (61°F) to a steamy maximum of 37°C (99°F), with an average temperature of 26°C (78°F). This month also sees relatively high humidity at 63% and substantial rainfall, accumulating 96 mm (3.8 in) over about 11 days. In contrast, December brings a much cooler climate, featuring temperatures that drop significantly, with a minimum of -3°C (26°F) and an average of only 8°C (47°F). The maximum temperature in December reaches 23°C (74°F), while the precipitation is noticeably lower at 45 mm (1.8 in) over 9 days, coupled with slightly increased humidity at 69%. For a more detailed look at December weather, visit Longquan weather in December.
September in Longquan marks a significant transition in weather, blending the lingering warmth of summer with the refreshing onset of autumn. With average temperatures hovering comfortably around 26°C (78°F) and maximums occasionally peaking at a scorching 37°C (99°F), the month can still feel quite warm, though not as sweltering as the peak summer months. The increase in precipitation, totaling 96 mm over 11 days, adds a hint of freshness to the air while also boosting humidity levels to 63%, creating a unique, invigorating atmosphere. This shift in weather makes September an ideal time to experience the beauty of Longquan's landscapes as they begin to transform. For more detailed information about Longquan's climate throughout the year, visit Longquan Climate.