Last updated: August 21, 2025
In September, Longquan, China experiences a delightful transition into autumn, with maximum temperatures peaking at 31°C (88°F) and an average temperature of 16°C (62°F). Visitors can expect crisp mornings, as nighttime temperatures can drop to a refreshing 5°C (41°F). The month brings approximately 85 mm (3.3 in) of rainfall over 9 days, creating a lush landscape, while an average humidity level of 58% contributes to the season's refreshing ambiance. This combination of warm days and cool nights makes September a fantastic time to explore the scenic beauty and cultural richness of Longquan.
As September unfolds in Longquan, China, the transition toward cooler autumn weather becomes evident. With temperatures ranging from a minimum of 5°C (41°F) to a maximum of 31°C (88°F), the month's average settles at a comfortable 16°C (62°F). This marks a noticeable shift from the hot summer months, yet it still offers warm days ideal for outdoor activities and exploring the stunning landscapes. The gradual decline in temperatures not only signifies the end of summer but also hints at the exhilarating crispness that will soon characterize the region's autumn. This blend of warmth during the day and cooler evenings creates a delightful atmosphere, perfect for enjoying the natural beauty that Longquan has to offer.
September in Longquan, China, brings a noteworthy shift in precipitation, as the region experiences a substantial total of 85 mm (3.3 in) of rainfall across 9 days. This amount represents a moderate decrease from the previous months of July and August, which saw peaks of over 110 mm. However, it still contributes to the late-summer lushness before the onset of drier autumn months. The consistent rainfall in September signifies a lingering warmth and vitality in the landscape, providing vital moisture for crops and vegetation as the region transitions into October, where precipitation typically declines further to 69 mm (2.7 in). Consequently, September serves as a pivotal month, balancing the tail end of the rainy season with the forthcoming shift to dryer conditions.
In Longquan, China, September brings a noticeable dip in humidity, settling at 58%—a shift from the summer months' higher levels, which hover around 64-65%. This decline marks the transition toward autumn, following a peak in April at 72%. Interestingly, while humidity is lower than the preceding summer, it remains relatively close to February's 58%, suggesting a consistent rhythm in seasonal moisture. As autumn progresses into October, humidity is expected to rise again to 72%, a reminder of the cyclical nature of Longquan's climate, where each month contributes to a dynamic dance of humidity changes throughout the year.
As summer transitions into fall in Longquan, China, the UV Index in September remains impressively high at 9, categorizing exposure as very high with a burn time of only 15 minutes. This slight drop from August's peak of 10 indicates a gradual ease in intense sun exposure, yet sun protection remains crucial. The trend throughout the months shows that while winter brings lower UV levels, the summer months reach extreme heights, emphasizing the importance of vigilance during peak times. For a comprehensive look at the UV Index year-round, visit Longquan UV Index.
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In Longquan, China, September brings a notable shift in sunshine hours, with 269 hours of daylight illuminating the early autumn landscape. After basking in the peak of summer with July and August boasting a remarkable 336 and 319 hours respectively, the gradual decline in sunlight is evident. While September's total is lower than the preceding months, it reflects a consistent pattern of daylight reduction as the year transitions into fall. This trend underscores the fascinating interplay of seasons, as the vibrant hues of autumn begin to emerge, creating a picturesque backdrop for the residents of Longquan.
In Longquan, China, the likelihood of sunny weather in September stands at 43%, a figure that mirrors the generally overcast skies with slightly better chances compared to the months of April and October but trails behind the sunny heights of January and November. This mid-autumn month indicates a transitional period, where the summer warmth begins to wane, reflecting a gradual dip in sunshine probability from the peak summer months of July and August. As autumn sets in, the weather evolves, presenting a mix of sunny and cloudy days—ideal for enjoying the changing colors of the season while remaining mindful of those occasional rain showers.
In Longquan, China, September marks a gentle transition in daylight hours, with the duration dipping to 12 hours. This shift reflects the gradual move from the long, sun-drenched days of summer to the cooler hues of autumn. Starting from the year’s peak daylight in May through July, when the sun brightens the sky for 14 hours, the daylight begins to recede, gradually leading into October's 11 hours. This pattern not only highlights the cyclical nature of the seasons but also invites the community to embrace the cozy changes that early autumn brings, as daylight diminishes alongside the vibrant summers.
September in Longquan, China, brings a gentle breeze with an average wind speed of 2.5 m/s (6 mph), a slight dip from the invigorating gusts of late spring and summer. This month marks the transition into autumn, where the winds shift from their peak in May at 3.5 m/s (8 mph) to a more moderate flow. Interestingly, the summer months experienced lower wind speeds, especially in July and August, averaging just 2.4 m/s (5 mph). As the landscape begins to change color, the calming September winds provide a soothing backdrop, setting the stage for the more brisk air of November, which is expected to pick up again to 3.2 m/s (7 mph). This seasonal ebb and flow creates a dynamic atmosphere, inviting residents and visitors alike to enjoy the tranquil beauty of Longquan’s early autumn.
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 and January showcase stark contrasts in weather. September experiences a much warmer climate, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 31°C (88°F) and an average of 16°C (62°F). It also receives 85 mm (3.3 in) of precipitation over about 9 days, combined with a relatively comfortable humidity level of 58%. In contrast, January is characterized by cold temperatures, with a minimum of -24°C (-12°F) and a maximum of 8°C (46°F), averaging -5°C (24°F). The month sees significantly less precipitation, only 7 mm (0.3 in) over 2 days, and slightly lower humidity at 55%. For more detailed insights on January weather, you can check Longquan weather in January.
September and February present stark contrasts in weather. In September, temperatures range from a mild 5°C (41°F) at night to a warm 31°C (88°F) during the day, with an average of 16°C (62°F). This month sees about 85 mm (3.3 in) of precipitation over approximately 9 days, maintaining a comfortable humidity level of 58%. In contrast, February brings much colder conditions, with temperatures dipping to a minimum of -18°C (0°F) and a maximum of 16°C (61°F), averaging around -1°C (30°F). Precipitation is significantly lower at 11 mm (0.4 in) over just 3 days, while humidity remains consistent at 58%. For a more detailed view of weather patterns, you can check Longquan weather in February.
Comparing the weather between September and March reveals distinct seasonal characteristics. In September, temperatures typically range from a mild 5°C (41°F) to a warm 31°C (88°F), with an average of 16°C (62°F). This month sees considerable precipitation, totaling 85 mm (3.3 in) over approximately 9 days, and the humidity hovers around 58%. In contrast, March experiences cooler conditions, with temperatures varying from a low of -6°C (22°F) to a maximum of 25°C (78°F) and an average of just 6°C (43°F). The rainfall is significantly lighter at 21 mm (0.8 in) across about 4 days, while humidity increases slightly to 63%. For more detailed information, you can check Longquan weather in March.
When comparing the weather in September and April, several notable differences emerge. September tends to be warmer, with average temperatures around 16°C (62°F) and maximums reaching up to 31°C (88°F), while April sees lower average temperatures of 12°C (53°F), with a minimum dropping to -5°C (24°F). Precipitation levels are also different; September experiences 85 mm (3.3 in) over about 9 days, whereas April has significantly less, with only 42 mm (1.7 in) occurring over 6 days. Additionally, humidity levels are higher in April at 72% compared to September's 58%. For more details on April weather specifics, you can visit Longquan weather in April.
When comparing the weather in September and May, it's clear that both months feature a range of temperatures, yet they exhibit distinct characteristics. In September, the temperatures vary from a cool minimum of 5°C (41°F) to a warm maximum of 31°C (88°F), with an average of 16°C (62°F). This month also experiences more precipitation, totaling 85 mm (3.3 in) over 9 days, along with a humidity level of 58%. In contrast, May starts off slightly cooler, with a minimum of 1°C (34°F) but reaches a similar maximum of 32°C (90°F) and maintains an average of 17°C (63°F). Precipitation is significantly lower in May, with only 41 mm (1.6 in) occurring over 5 days, and the humidity is slightly less at 57%. For more detailed information about the weather patterns in May, you can refer to Longquan weather in May.
September and June present distinct weather patterns, reflecting the transition from summer to early autumn. In June, temperatures are generally warmer, with a minimum of 10°C (50°F) and an average high of 33°C (93°F), while September experiences a cooler minimum of 5°C (41°F) and an average high of 31°C (88°F). June also enjoys fewer rainy days, averaging just 6 with total precipitation of 49 mm (1.9 in), compared to September's 9 days of rain and 85 mm (3.3 in) of precipitation. Humidity is slightly higher in June at 64%, compared to 58% in September, making June feel more summery. For more detailed information, you can check out Longquan weather in June.
When comparing the weather in September to that of July, significant differences emerge. September experiences a broader temperature range, with minimums dropping to 5°C (41°F) and maximums reaching up to 31°C (88°F), leading to an average of 16°C (62°F). In contrast, July is noticeably warmer, featuring minimum temperatures of 13°C (56°F) and maximums soaring to 35°C (96°F), with an average of 23°C (73°F). Additionally, July sees more precipitation at 110 mm (4.3 in) over 15 days, compared to September’s 85 mm (3.3 in) across 9 days, while humidity levels are slightly higher in July at 65% versus September's 58%. For more detailed insights, check out Longquan weather in July.
In September, temperatures begin to cool with a minimum of 5°C (41°F) and an average of 16°C (62°F), compared to August, which features a milder minimum of 11°C (52°F) and a warmer average of 21°C (71°F). The maximum temperatures in September reach up to 31°C (88°F), slightly lower than August’s peak of 33°C (91°F). Precipitation decreases slightly in September with 85 mm (3.3 in) over 9 days, while August sees higher rainfall totals of 111 mm (4.4 in) across 12 days. Additionally, humidity levels are somewhat higher in August at 64%, compared to 58% in September. For more details on August weather, visit Longquan weather in August.
September and October display a notable shift in weather patterns. September typically sees a warm range with temperatures reaching a maximum of 31°C (88°F) and an average of 16°C (62°F), along with 85 mm (3.3 in) of precipitation over roughly 9 days. In contrast, October brings a cooler climate, with temperatures dropping, showcasing a minimum of -3°C (27°F) and an average of 9°C (49°F). While it is drier with 69 mm (2.7 in) of precipitation over 8 days, humidity increases to 72%, creating a crisp atmosphere. For a detailed look at October weather conditions, you can visit Longquan weather in October.
September typically offers a more temperate climate with average temperatures around 16°C (62°F) and peaks reaching as high as 31°C (88°F), making it a warm and pleasant month. The month sees about 85 mm (3.3 in) of rainfall spread over 9 days, accompanied by a moderate humidity level of 58%. In contrast, November signals the onset of colder weather, with average temperatures dropping to around 3°C (38°F) and nighttime lows dipping to -10°C (14°F). Precipitation in November is significantly lower, at only 17 mm (0.7 in) across 4 days, but humidity rises to 71%, contributing to a chillier feel. For more detailed information about conditions in November, visit Longquan weather in November.
In September, the weather is relatively warm, with temperatures ranging from a low of 5°C (41°F) to a high of 31°C (88°F), creating an average temperature of 16°C (62°F). The month experiences 85 mm (3.3 in) of precipitation over about 9 days, and the humidity levels are around 58%. In stark contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -21°C (-6°F) and an average of -4°C (25°F), peaking at only 9°C (49°F). The precipitation in December is significantly lower at just 4 mm (0.1 in) over the course of 1 day, accompanied by a higher humidity level of 69%. For more detailed insights, you can visit Longquan weather in December.
As September unfolds in Longquan, the weather begins to transition from the warm summer months to the cooler autumn days. This month typically showcases a pleasant average temperature that balances the lingering warmth of summer with the crispness of fall, making it a comfortable time to enjoy outdoor activities. While occasional rain is expected, with a modest increase in precipitation days, the overall humidity remains moderate, contributing to a refreshing atmosphere. With temperatures ranging from cool mornings to pleasantly warm afternoons, September stands out as a month of transformation, offering a unique blend of seasonal change. For more detailed insights into Longquan's climate, visit Longquan Climate.