Last updated: August 21, 2025
In September, Longquan, China experiences a dynamic climate marked by maximum temperatures soaring to 36°C (97°F) and an average of 25°C (77°F). The weather showcases a comfortable minimum of 14°C (57°F), making it an ideal time for outdoor activities. However, visitors should prepare for moderate rainfall, with a total precipitation of 130 mm (5.1 in) spread across 11 days, contributing to a humidity level of 75%. This blend of warmth and moisture adds a refreshing touch to the vibrant landscapes of Longquan, perfect for exploration and discovery.
In September, Longquan, China, experiences a delightful transition as summer gives way to autumn. With daytime temperatures reaching a pleasant 36°C (97°F) and average highs settling at 25°C (77°F), this month features a comfortable warmth that lingers in the air. The minimum temperature of 14°C (57°F) ensures nights remain mild, making it an ideal time for outdoor activities. This upward trend from earlier months, where temperatures peak in the high 30s, signals a gradual cooling yet retains the energy of late summer. As the foliage begins to change, September provides a refreshing preview of the beauty that autumn brings to Longquan.
In September, Longquan, China experiences a notable shift in its precipitation patterns, receiving 130 mm (5.1 in) of rain over 11 days. This amount reflects a significant decrease from the preceding months of July and August, which saw peaks of 301 mm (11.8 in) and 203 mm (8.0 in), respectively. As the transition into autumn begins, this reduction aligns with the tail end of the summer monsoon season. The lighter rainfall not only eases the humidity felt in the hotter months but also signals a gradual shift towards drier conditions in the coming autumn months, as indicated by the notably lower precipitation levels in October and November. This trend highlights September as a transitional month, balancing the wet intensity of summer with the approaching dryness of fall.
In Longquan, China, September marks a noticeable shift in humidity levels as the summer months draw to a close. After experiencing a peak in humidity with values reaching 90% in July and 88% in August, September's humidity drops to 75%. This decline signifies a transitional phase, where the air begins to feel a bit lighter and more breathable. Although humidity remains relatively high compared to the winter months, this decrease paves the way for October's slight uptick to 76%—a gentle reminder of the approaching autumn. Overall, September’s humidity illustrates the region’s fluctuating climate, bridging the gap between the sweltering summer and the cooler fall season.
In September, Longquan, China, experiences a UV Index of 10, placing it in the very high exposure category with a burn time of just 15 minutes. This month marks a slight decrease from the extreme levels seen in the peak summer months of June, July, and August, when the UV Index reached 11 and required minimal sun exposure. However, September remains a time when sun safety is crucial, as the UV levels are still significantly elevated. As autumn approaches, it's essential to stay vigilant and protect your skin during outdoor activities. For more detailed information, visit Longquan UV Index.
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September in Longquan, China, brings a vibrant transition marked by 247 hours of sunshine, a notable blend of warmth as summer begins to wane. As part of the annual cycle, September shows a slight decline from the peak of 301 hours in August, yet it maintains a generous amount of sunlight that still embraces outdoor activities and scenic beauty. This month exemplifies a broader trend of increasing daylight during the spring and summer months, peaking in August, before gradually tapering off into the cooler autumn and winter. With sunshine hours steadily rising from January's 143 hours, it’s clear that Longquan experiences a sunny crescendo through the year, inviting everyone to enjoy the sunny days before the chill of October settles in.
In Longquan, China, the possibility of sunny weather in September is relatively promising, with a 47% chance of sunshine. This marks a notable increase from July's low of 15% and shows a slight uptick compared to August's 32%. As summer transitions into autumn, September maintains a trend of improved sun exposure, hinting at a favorable environment for outdoor activities. Following this month, the prospect for sun dips again, with October and November returning to around 40% and 50% respectively, before culminating in winter's more consistent sunshine in December at 68%. Thus, September stands out as a key period for those craving sunny days in Longquan.
In Longquan, China, the month of September marks a subtle transition in daylight duration, offering around 12 hours of daylight. This slight decrease from the longer days of summer, where sunlight peaked at 14 hours in June, signals the onset of autumn. As the year progresses from the brighter months of May and June, daylight gradually dwindles through the late summer and early fall, where it reduces to 13 hours in July and August before settling at September's count. Following this trend, the days will continue to shorten, dropping to 11 hours in October and 10 hours as winter approaches. This pattern not only showcases the rhythmic ebb and flow of daylight throughout the year but also highlights the rich seasonal changes that Longquan experiences.
In September, Longquan, China, experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), reminiscent of the tranquil atmosphere that washes over the region as summer transitions to autumn. This slight uptick from August's calmer winds reflects a typical trend in the year, where autumn months often see modest increases in wind speed. January through April holds steady with similar speeds, while July marks the peak of blustery days at 2.9 m/s (7 mph). As the seasons change, the winds in September bring a refreshing chill, hinting at the cooler months ahead, while still holding onto the warmth of summer's end. Overall, Longquan's wind data illustrates a soft yet dynamic flow, with subtle shifts that echo the rhythms of nature throughout the year.
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.
In September, the weather is warm, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 36°C (97°F) and an average of 25°C (77°F). The month sees significant rainfall, totaling 130 mm (5.1 in) over about 11 days, accompanied by relatively high humidity levels of 75%. Conversely, January presents a stark contrast with chillier conditions, featuring temperatures that drop as low as -12°C (11°F) and rarely exceeding 22°C (71°F), averaging around 5°C (42°F). Precipitation in January is lower, measuring 72 mm (2.8 in) over 10 days, and the humidity is slightly lower at 70%. For a closer look at what to expect, check out Longquan weather in January.
September and February present contrasting weather patterns. In September, temperatures can range significantly, with lows of 14°C (57°F), average highs around 25°C (77°F), and peaks reaching up to 36°C (97°F). The month is characterized by higher humidity at 75% and substantial precipitation of 130 mm (5.1 in) over 11 days. In stark contrast, February experiences a cooler climate, with temperatures dipping to a minimum of -5°C (24°F) and an average of just 7°C (45°F). The maximum temperature can reach 27°C (80°F), but overall, it is much drier, with only 77 mm (3.0 in) of rain over 10 days and slightly lower humidity at 73%. For a more detailed look at February weather, you can visit Longquan weather in February.
September and March exhibit contrasting weather patterns that reflect the transition from summer to autumn and winter to spring, respectively. In September, temperatures range from a mild 14°C (57°F) at night to a peak of 36°C (97°F) during the day, with an average temperature of 25°C (77°F). The month also experiences significant humidity at 75% and about 130 mm (5.1 in) of precipitation over 11 days. In contrast, March features much cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 29°C (85°F), leading to an average of only 12°C (54°F). The precipitation is slightly less at 116 mm (4.6 in) over 13 days, accompanied by higher humidity levels of 82%. For a more detailed view of March weather, you can visit Longquan weather in March.
In September, weather conditions offer a warm climate with average temperatures ranging from a cool 14°C (57°F) to a high of 36°C (97°F), alongside significant humidity of 75%. This month also sees considerable rainfall, typically accumulating to about 130 mm (5.1 in) over 11 days. In contrast, April presents a much cooler atmosphere, with temperatures varying from a chilly 2°C (36°F) to a more moderate 33°C (92°F) and an average of 17°C (63°F). The precipitation in April is less, totaling approximately 87 mm (3.4 in) over 9 days, yet the humidity is slightly higher at 86%. For more details on April weather, you can refer to Longquan weather in April.
When comparing the weather in September and May, notable differences emerge. September typically has a slightly warmer average temperature of 25°C (77°F) compared to May's 22°C (72°F). However, May can reach a higher maximum temperature of 37°C (99°F), which is just above September's maximum of 36°C (97°F). Both months receive substantial precipitation, with May averaging 140 mm (5.5 in) over 13 days, while September sees 130 mm (5.1 in) over 11 days. Additionally, May tends to be more humid at 85% compared to September's 75%. For more detailed insights about May weather in Longquan, you can refer to Longquan weather in May.
When comparing the weather in September to June, we observe both similarities and differences. Both months start with minimum temperatures around 14°C (57°F), showcasing a mild beginning. September enjoys an average temperature of 25°C (77°F), similar to June's average, but June reaches slightly higher maximum temperatures of 37°C (100°F).
Precipitation varies significantly; June experiences substantially more rainfall at 270 mm (10.6 in) over 15 days compared to September's 130 mm (5.1 in) over 11 days. Additionally, June has higher humidity levels at 85%, while September's humidity is around 75%. For a detailed look at June's weather, you can check Longquan weather in June. Overall, while both months are warm, June tends to be wetter and more humid compared to the drier and slightly cooler September.
In comparing the weather patterns of September and July, it's clear that July tends to be significantly hotter, with average temperatures reaching 29°C (84°F) and maximums soaring to 39°C (103°F). In contrast, September features a milder average of 25°C (77°F), with maximum temperatures peaking at 36°C (97°F). Additionally, July experiences higher humidity levels at 90% compared to September's 75%. Notably, July also sees a greater amount of rainfall, with 301 mm (11.8 in) recorded over 17 days, whereas September has 130 mm (5.1 in) spread across 11 days. For more specific details on July’s weather, check out Longquan weather in July.
In comparing the weather of September to August, we see a notable drop in temperature. September typically experiences a minimum temperature of 14°C (57°F) and an average of 25°C (77°F), while August's temperatures range from a minimum of 17°C (63°F) to an average of 29°C (85°F). The peak heat in August can reach up to 38°C (101°F), surpassing September's maximum of 36°C (97°F). Additionally, September sees less precipitation, with 130 mm (5.1 in) over 11 days compared to August's 203 mm (8.0 in) over 14 days. Humidity is also slightly lower in September at 75%, compared to the higher 88% in August. For more details on August weather, check out Longquan weather in August.
September and October present a noticeable shift in weather patterns. September features warmer temperatures with a minimum of 14°C (57°F), an average of 25°C (77°F), and a maximum reaching up to 36°C (97°F). This month also sees higher precipitation at 130 mm (5.1 in) over 11 days, keeping humidity at around 75%. In contrast, October experiences cooler conditions, with temperatures dipping to a minimum of 7°C (45°F) and an average of 19°C (67°F), peaking at 34°C (93°F). Precipitation decreases significantly to 49 mm (1.9 in) over just 6 days, and humidity remains quite stable at 76%. For more detailed information, you can check out Longquan weather in October.
September and November present contrasting weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a sweltering high of 36°C (97°F) during the day, with an average of 25°C (77°F). This month also sees significant rainfall, totaling 130 mm (5.1 in) over 11 days, accompanied by a humidity level of 75%. In stark contrast, November experiences much cooler temperatures, with nighttime lows plummeting to -2°C (30°F) and daytime highs reaching up to 30°C (86°F), averaging 14°C (57°F). Rainfall is considerably less in November, with only 51 mm (2.0 in) over 8 days and a slightly higher humidity of 84%. For more details on November's climate, check out Longquan weather in November.
September and December present stark contrasts in weather conditions. In September, temperatures range from a comfortable 14°C (57°F) at night to a scorching 36°C (97°F) during the day, with an average of 25°C (77°F). The month experiences significant rainfall, totaling 130 mm (5.1 in) over about 11 days, contributing to a humid environment with a 75% humidity level. In contrast, December brings much cooler temperatures, with lows plummeting to -5°C (24°F) and a daytime maximum of 23°C (73°F), averaging just 7°C (45°F). Precipitation decreases to 60 mm (2.4 in) over 8 days, while humidity remains fairly high at 77%. For a comprehensive look at December's climate, visit Longquan weather in December.
As September unfolds in Longquan, the weather begins to transition from the sultry summer heat, with maximum temperatures peaking at a sweltering 36°C, down to more comfortable averages around 25°C. While the month still feels humid, with an average of 75%, the increased precipitation of 130 mm over 11 days signals the onset of autumn, bringing refreshing rains that contrast the dry, hot spells of July and August. This blend of warmth and moisture creates a unique atmosphere, perfect for enjoying the vibrant fall foliage. Explore more about what to expect throughout the year by visiting Longquan Climate.