Last updated: August 21, 2025
In Longshan, China, September brings a dynamic shift in weather, with temperatures reaching a maximum of 38°C (100°F) and an average of 26°C (80°F), while dipping to a refreshing minimum of 17°C (62°F) during the cooler nights. This month also experiences a notable precipitation of 72 mm (2.8 in) over approximately 9 rainy days, resulting in an average humidity level of 72%. As summer transitions into autumn, residents and visitors alike can expect a blend of heat and moisture, making it a unique time to experience this vibrant region.
In September, Longshan, China, experiences a transition from the sweltering summer to a more moderate autumn climate. With temperatures ranging from a minimum of 17°C (62°F) to a maximum of 38°C (100°F), this month tends to be quite warm, though noticeably cooler than the peak summer months. The average temperature hovers around 26°C (80°F), making it a favorable time for outdoor activities before the cooler weather sets in. As the landscape begins to shift in preparation for fall, the warmth of September ensures that summer's lingering heat is still felt, offering a perfect balance for those looking to enjoy the changing seasons.
In September, Longshan experiences a notable decline in precipitation, with just 72 mm (2.8 in) of rain spread over 9 days. This marks a significant drop compared to the preceding months, especially the intense downpours of June and May. The pattern emerging from the annual data highlights a gradual tapering of rainfall as the summer months yield to autumn, encouraging a transition to drier conditions. With fewer rainy days than in August, September serves as a bridge between the lush greenery of summer and the crispness of fall, hinting at a more stable climate ahead. The reduced precipitation not only provides a brief reprieve from the heavy rains but also sets the stage for the upcoming months, where rainfall remains modest at 34 mm (1.4 in) in October.
In September, Longshan, China, experiences a notable shift in humidity, dropping to 72% after the peak summer months. This decrease marks a transition from the sweltering highs of 91% in July and 87% in both June and August, suggesting the onset of a milder autumn. While humidity remains relatively high compared to the winter months—where it falls to around 65% in January—the September levels signal a temporary reprieve from the oppressive summer stickiness. As the year progresses, humidity in Longshan tends to fluctuate, peaking in the spring and summer before gradually tapering off into the drier autumn and winter months. This dynamic climate pattern highlights the region's distinct seasonal changes.
In September, Longshan experiences a UV Index of 10, categorizing the exposure level as very high. This marks a slight decrease from the extreme levels observed during the summer months of June, July, and August, which all reached a peak UV Index of 12. As the days begin to shorten and the transition to autumn occurs, residents can expect a burn time of just 15 minutes, emphasizing the need for protection from the sun's powerful rays. Notably, this pattern aligns with the upward trend seen earlier in the year, where the UV Index escalated from 6 in January to its summer peak, underscoring the importance of sun safety as seasons change. For more details on the UV Index throughout the year, check out Longshan UV Index.
UV Risk Categories
As September rolls into Longshan, the sunshine continues to cast a warm glow over the region, with 266 hours of sunlight illuminating the month. This marks a notable decline from the blazing heights of 315 hours in August, yet it remains robust compared to the earlier months of the year, such as January's mere 159 hours. The trend showcases a peak during the summer months, particularly in July and August, where residents bask in the longest days. While September reflects a shift towards shorter days, its generous sunlight still outshines the spring months, suggesting a gentle transition into autumn without losing the essence of summertime warmth. As the seasons gradually change, Longshan residents can savor the lingering sunshine while preparing for the cooler days ahead.
As summer transitions to autumn in Longshan, China, September emerges as a particularly promising month for sun seekers, boasting a 62% chance of sunny weather. This noticeable uptick in sunshine marks a significant shift from the cloudier summer months, with June hitting a low of just 17%. Following the preceding months of fluctuating sun probabilities, September not only surpasses August's 34% but also suggests a trend towards more vibrant and luminous days ahead. As autumn settles in, the likelihood of sunlight becomes more favorable, fostering an ideal setting for outdoor activities and exploration.
In September, Longshan, China, enjoys a delightful 12 hours of daylight, marking a subtle transition as summer starts to fade. This month reflects a slight decrease from the 13 hours experienced in peak summer, as the region gracefully eases into autumn. Notably, September retains a generous amount of light, comparable to the earlier spring months of March and April, which also feature 11 to 12 hours of daylight. As the year progresses, the daylight duration gradually declines, paving the way for cozy autumn days ahead.
As September unfolds in Longshan, China, the average wind speed measures a gentle 1.8 m/s (4 mph), maintaining a tranquil atmosphere as summer transitions to autumn. This slight dip from the stronger gusts of 2.3 m/s (5 mph) experienced in July signals a gradual softening of the summer's heat, while hinting at the approaching briskness of October, which typically sees an increase to 2.6 m/s (6 mph). Interestingly, the trend reveals that late summer and early autumn months tend to experience lower wind velocities, creating a serene backdrop ideal for leisurely strolls and appreciation of nature's shift. As the year progresses, this gentle breeze inspires a sense of calm, preparing Longshan for the invigorating winds of fall.
Weather in Longshan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Longshan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 38°C (100°F), with an average temperature of 26°C (80°F). The month experiences significant humidity at 72% and receives around 72 mm (2.8 inches) of rainfall over 9 days. In contrast, January brings much colder temperatures, with lows dropping to -5°C (23°F) and highs reaching only 23°C (74°F), resulting in an average temperature of just 7°C (46°F). Despite similar precipitation levels of 71 mm (2.8 inches) over 9 days, January has a lower humidity of 65%. For more detailed information on the weather during this month, you can check Longshan weather in January.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 17°C (62°F) to a scorching maximum of 38°C (100°F) and an average of 26°C (80°F). The month experiences a moderate amount of precipitation, totaling 72 mm (2.8 in) across about 9 days, with humidity levels at 72%. In contrast, February presents a much cooler climate, with temperatures dropping significantly to a minimum of -3°C (26°F), an average of 9°C (48°F), and a maximum of 26°C (79°F). Precipitation is slightly higher at 81 mm (3.2 in) over 12 days, while the humidity remains fairly constant at 71%. For more specific insights into February weather, you can check Longshan weather in February.
September and March present distinctly contrasting weather patterns. In September, temperatures range from a mild 17°C (62°F) to a scorching 38°C (100°F), with an average of 26°C (80°F). The month sees relatively moderate precipitation at 72 mm (2.8 in) over 9 days and humidity levels around 72%. Conversely, March experiences cooler temperatures, with a minimum of 3°C (37°F), an average of 14°C (57°F), and a maximum of 30°C (86°F). It is significantly wetter, accumulating 206 mm (8.1 in) of rainfall across 16 days, coupled with higher humidity at 81%. These differing conditions highlight the seasonal transitions as September signals the warmth of late summer, while March ushers in the freshness of early spring. For a closer look at March weather specifics, you can visit Longshan weather in March.
September and April present distinctly different weather patterns. In September, temperatures range from a comfortable minimum of 17°C (62°F) to a scorching maximum of 38°C (100°F), averaging around 26°C (80°F). The month sees about 72 mm (2.8 in) of precipitation over roughly 9 days, with humidity levels at 72%. In contrast, April experiences cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 33°C (91°F), averaging around 18°C (65°F). This month also tends to be wetter, accumulating 175 mm (6.9 in) of rain over 13 days, and with higher humidity at 86%. If you're curious about the specific weather patterns in April, you can find more details at Longshan weather in April.
When comparing the weather in September and May, it's clear that September offers warmer temperatures, with a minimum of 17°C (62°F) and an average of 26°C (80°F), reaching a maximum of 38°C (100°F). In contrast, May experiences cooler temperatures, starting at a minimum of 11°C (52°F) and averaging 23°C (74°F), with a peak of 36°C (97°F). However, May is significantly wetter, receiving 248 mm (9.8 in) of precipitation over 15 days, compared to September's 72 mm (2.8 in) across 9 days. Additionally, the humidity is higher in May at 87%, compared to September's 72%, making May generally feel more muggy. For more detailed insights, check out Longshan weather in May.
In comparing the weather of September and June, we see a few notable differences. September typically experiences a warm range of temperatures, with minimums around 17°C (62°F) and maximums reaching up to 38°C (100°F), while the average remains a comfortable 26°C (80°F). In contrast, June has similar minimum temperatures at 17°C (63°F), but maximums are slightly lower at 36°C (97°F), with an average of 26°C (78°F).
However, one of the most significant differences is the amount of precipitation; September records only 72 mm (2.8 in) over 9 days, whereas June is much wetter, with a substantial 381 mm (15.0 in) falling on 20 days. The humidity is also higher during June, averaging 87%, compared to September's 72%. For a more detailed look at June weather, you can visit Longshan weather in June.
In comparing the weather between September and July, September presents a slight decrease in temperatures, with averages around 26°C (80°F) compared to July's warmer average of 29°C (84°F). The maximum temperatures also reflect this trend, peaking at 38°C (100°F) in September versus 39°C (103°F) in July. However, July experiences significantly higher precipitation, accumulating 282 mm (11.1 in) over 16 days, while September has only 72 mm (2.8 in) with 9 days of rain, indicating a notable difference in rainfall and humidity levels—July's humidity is at a sweltering 91%, contrasted with September's 72%. For more specific insights on July weather, visit Longshan weather in July.
In comparing the weather patterns of September and August, it’s evident that September experiences slightly cooler temperatures with a minimum of 17°C (62°F) and an average of 26°C (80°F), compared to August’s higher minimum of 21°C (70°F) and average of 30°C (86°F). The maximum temperature in August reaches a scorching 41°C (106°F), while September's peak does not exceed 38°C (100°F). Additionally, precipitation levels are noticeably lower in September at 72 mm (2.8 in) over 9 days, whereas August sees a higher total of 132 mm (5.2 in) across 12 days, contributing to the increased humidity of 87% in August compared to 72% in September. For further details, you can check out Longshan weather in August.
September and October demonstrate a notable shift in weather patterns. In September, temperatures range from a comfortable low of 17°C (62°F) to a high of 38°C (100°F), with an average of 26°C (80°F) and a humidity level of 72%. This month also experiences greater precipitation, totaling 72 mm (2.8 in) over 9 days. In contrast, October brings cooler temperatures, with a minimum of 8°C (47°F), an average of 21°C (69°F), and a maximum of 36°C (98°F). The month sees less rainfall, amounting to 34 mm (1.4 in) over just 5 days, while humidity slightly increases to 74%. Overall, October marks a refreshing transition to milder weather. For more details on specific weather conditions, you can check Longshan weather in October.
September and November present a stark contrast in weather conditions. In September, temperatures soar with a minimum of 17°C (62°F) and an average of 26°C (80°F), reaching a maximum of 38°C (100°F). This warmth is accompanied by a humidity level of 72% and about 72 mm (2.8 in) of rainfall over 9 days. Conversely, November cools significantly, with temperatures dropping to a minimum of 2°C (36°F) and an average of 15°C (59°F), peaking at 28°C (83°F). While November's precipitation is slightly lower at 57 mm (2.3 in), the humidity rises to 80%, maintaining a damp feel. For more detailed weather insights, check out Longshan weather in November.
September and December present stark contrasts in weather patterns. In September, temperatures can reach a high of 38°C (100°F), with an average of 26°C (80°F) and a relatively high humidity of 72%. This month experiences a total precipitation of 72 mm (2.8 in) over about 9 days, creating a warm and occasionally rainy atmosphere. In contrast, December sees much cooler conditions, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 22°C (73°F), averaging around 9°C (48°F). Although precipitation is slightly lower at 59 mm (2.3 in) over about 8 days, the humidity rises to 78%, resulting in a chilly and damp environment. For more detailed information about December weather, you can refer to Longshan weather in December.
As summer's warmth lingers into September, Longshan experiences a unique blend of high temperatures and humidity, setting it apart from other months. The average temperature settles around a comfortable level, while occasional peaks can reach near 38°C (100°F). However, the weather also brings increased rainfall, with about nine days of precipitation contributing to a total of 72 mm (2.8 in), which is notably higher than during the drier summer months. This humid climate creates a vibrant, lush landscape as the seasons begin to transition. To better understand Longshan's distinct weather patterns, visit Longshan Climate.