Last updated: August 21, 2025
As September unfolds in Longmen, China, temperatures exhibit a warm range, with daily highs reaching a sizzling 37°C (99°F) and an average of 26°C (79°F), while the mercury dips to a refreshing low of 16°C (62°F) at night. This month presents a mix of weather, marked by 12 days of precipitation accumulating to approximately 85 mm (3.3 in), contributing to a humidity level of 62%. Visitors can expect a blend of summer heat and seasonal showers, making it an ideal time for both outdoor activities and appreciating the lush landscapes of the region.
In September, Longmen, China, experiences a delightful transition as summer's heat begins to wane. With minimum temperatures around 16°C (62°F) and reaching daily averages of 26°C (79°F), the month retains a warm ambiance while offering a slight reprieve from the sweltering summer months. The maximum temperatures soar up to 37°C (99°F), reflecting the lingering warmth of the season. This blend of moderate nights and warmer days creates an inviting atmosphere, perfect for outdoor activities and enjoying the vibrant landscapes of Longmen. As autumn approaches, September hints at the cooler days to come, yet still envelops the region in a comforting warmth, making it a captivating time to visit.
September in Longmen, China, experiences a moderate precipitation level with 85 mm (3.3 in) of rainfall spread over 12 days. This marks a noticeable shift from the peak moisture of June and July, where rainfall reached 263 mm (10.3 in) and 170 mm (6.7 in), respectively. As the summer heat begins to wane, September serves as a transition to drier months, showing a significant decline compared to May's peak of 208 mm (8.2 in). The weather remains relatively humid, though the number of rainy days is reduced, hinting at a more temperate climate as autumn approaches. This pattern reflects a gradual tapering off of the intense monsoon season, setting the stage for cooler, crisp days ahead.
As summer transitions to autumn in Longmen, China, September brings a refreshing dip in humidity, dropping to 62%. This significant decrease marks a departure from the high humidity levels experienced from May through August, which hovered around 86% to 89%. The shift not only signifies the end of the muggy summer months but also sets the stage for a more comfortable fall. Interestingly, the humidity level in September mirrors that of October, suggesting that the mild dry spell may linger, allowing residents and visitors to enjoy the pleasant weather before the humidity gradually rises again in November. Overall, September stands out as a month of reprieve and transition in Longmen's climate cycle.
As September arrives in Longmen, China, the UV Index dips slightly to 11, classifying it in the extreme exposure category. This marks a transition from the peak conditions of the summer months, where the UV Index soared to 13 in July and August, necessitating vigilant sun protection with a quick burn time of just 10 minutes. Although the UV levels are still high, this month offers a brief reprieve with a burn time that remains consistent and notably short. As autumn approaches, the UV Index will gradually decrease further, making September an ideal time to enjoy outdoor activities while still prioritizing sun safety. For more detailed information, visit Longmen UV Index.
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September in Longmen, China, offers a delightful preview of autumn with 272 hours of sunshine, following the peak brightness of summer. After basking in the warmth of 322 hours in August, the sun begins to retreat but still provides a generous amount of light, making September a perfect time for outdoor activities. This month represents the transition from the sweltering heat of July and August, which brought 306 and 322 hours of sunshine, respectively. The gradual decline in sunny hours does not diminish the beauty of the season; rather, it sets the stage for the crisp days ahead. As the sun dips further into October, bringing with it 213 hours of sunshine, September stands out as a golden bridge between the vibrant summer and the cool, reflective months that follow.
In Longmen, China, September emerges as a beacon of sunshine, boasting a notable 65% chance of clear skies. This marks a significant increase compared to the summer months, where the likelihood of sunny days hovers between 16% and 33%. As the calendar transitions from the sweltering heat of August, which offers only a 23% chance of sunshine, September paints a brighter picture, inviting outdoor activities and exploration. Following this sun-filled month, the chance of clear weather gradually declines again into autumn, with October dropping to 29%. Clearly, September stands out as a seasonal highlight for those looking to bask in the warmth of the sun!
As September unfolds in Longmen, China, the days begin to cool and shorten, offering about 12 hours of daylight. This month marks a subtle transition from the long, sunlit days of summer—where daylight stretched to a generous 13 hours—to a gradual descent towards the shorter days of autumn. With daylight gradually declining through October and November, September serves as a gentle reminder of nature's cyclical rhythm, as the vibrant energy of summer slowly gives way to a tranquil fall, setting the stage for cozy evenings and reflective moments.
As September arrives in Longmen, China, the wind continues its gentle caress, averaging 1.3 m/s (3 mph), consistent with the subtle breezes of late summer. This slight lull in wind speed marks a noticeable shift from the peaks of 1.7 m/s (4 mph) experienced in both January and July, revealing a tendency for winds to soften as the seasons transition. Although September's winds are some of the calmest of the year, they pave the way for a gradual increase in October, when the average rises to 1.9 m/s (4 mph). This pattern highlights the rhythmic ebb and flow of Longmen's climate, setting the stage for the crisp, invigorating breezes of autumn.
Weather in Longmen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Longmen, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in September is characterized by warmer temperatures, with averages around 26°C (79°F) and highs reaching up to 37°C (99°F), creating a sultry atmosphere complemented by an average humidity of 62%. In contrast, January brings much cooler conditions, with average temperatures dropping to 8°C (46°F) and lows plummeting to -4°C (24°F), along with a lower precipitation level of 44 mm (1.7 in) spread over just 8 days. While September experiences more frequent rainfall, January maintains a crisp atmosphere, making for a stark seasonal transition. For more specific weather details, you can check Longmen weather in January.
September and February present a striking contrast in weather patterns. In September, temperatures range from a mild 16°C (62°F) at night to a scorching 37°C (99°F) during the day, with an average of 26°C (79°F). This month typically receives about 85 mm (3.3 in) of precipitation spread over 12 days, and the humidity hovers around 62%. In contrast, February experiences much cooler weather, with temperatures dropping to a minimum of -2°C (29°F) and reaching a maximum of 27°C (81°F), averaging 10°C (49°F). Precipitation is slightly less, totaling 79 mm (3.1 in) across 11 days, and humidity levels are higher at 69%. For more detailed weather conditions in February, you can check Longmen weather in February.
The weather in September is characterized by warmer temperatures, with a minimum of 16°C (62°F) and an average of 26°C (79°F), peaking at 37°C (99°F). In contrast, March experiences cooler conditions, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 31°C (88°F) and an average of 14°C (58°F). While September sees about 85 mm (3.3 in) of precipitation over 12 days, March is noticeably wetter, accumulating 148 mm (5.8 in) of rain over 20 days. Additionally, March has higher humidity levels at 81%, compared to September’s 62%. For more details on the specific weather conditions in March, you can check this link: Longmen weather in March.
In comparing the weather between September and April, it is evident that April is generally cooler and wetter. September boasts higher temperatures, ranging from a minimum of 16°C (62°F) to an average of 26°C (79°F) and peaks at 37°C (99°F), while April's temperatures are considerably lower, with a minimum of 6°C (43°F) and an average of 19°C (66°F), reaching a maximum of 33°C (92°F). Additionally, April experiences more rainfall, with a total of 150 mm (5.9 in) over 19 days, in contrast to September's 85 mm (3.3 in) spread across 12 days. The humidity is also higher in April at 82%, compared to September's 62%. This dramatic contrast showcases the transition from the warm end of summer to the more temperate and rainy conditions of spring. For more details on April weather, you can check Longmen weather in April.
September and May present distinct weather patterns, with September typically warmer and drier compared to May. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 37°C (99°F), with an average of 26°C (79°F) and a relatively lower precipitation of 85 mm (3.3 in) over about 12 days. In contrast, May experiences cooler temperatures, with a minimum of 10°C (51°F), an average of 23°C (74°F), and a maximum of 36°C (97°F). However, it sees significantly higher precipitation, totaling 208 mm (8.2 in) over approximately 20 days, accompanied by higher humidity at 86%. For more details on the weather conditions in May, you can visit Longmen weather in May.
In comparing the weather of September and June, there are some notable differences. September typically enjoys a warmer minimum temperature of 16°C (62°F) and an average of 26°C (79°F), peaking at 37°C (99°F). In contrast, June has a slightly higher minimum of 17°C (63°F) with a similar average of 26°C (80°F) but maxing out at 36°C (96°F). However, June is significantly wetter, experiencing 263 mm (10.3 in) of rainfall over 20 days compared to September's 85 mm (3.3 in) across just 12 days. Additionally, June's humidity is notably higher at 86%, whereas September's is at 62%. For a more detailed look at June weather, you can visit Longmen weather in June.
When comparing the weather in September and July, it's evident that September is slightly cooler with an average temperature of 26°C (79°F), compared to July's warmer average of 29°C (84°F). Both months share a maximum temperature peak of 37°C (99°F), indicating occasional very hot days. However, September experiences significantly less rainfall with only 85 mm (3.3 in) over 12 days, while July sees heavier precipitation at 170 mm (6.7 in) across 15 days, resulting in a more humid environment with 89% humidity in July versus 62% in September. For more detailed information about July weather, visit Longmen weather in July.
In comparing the weather between September and August, we see some notable differences. September experiences a broader temperature range, with minimums of 16°C (62°F) and maximums reaching up to 37°C (99°F), while August stays warmer with a minimum of 22°C (72°F) and a maximum of 36°C (98°F). The average temperature in September is slightly cooler at 26°C (79°F) compared to August's 29°C (84°F). Additionally, September sees less precipitation, with 85 mm (3.3 in) over 12 days, compared to August's 117 mm (4.6 in) over 15 days. Humidity also drops significantly in September to 62%, down from August’s higher humidity of 86%. For a more detailed look at August weather, you can visit Longmen weather in August.
September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 37°C (99°F), with an average temperature of 26°C (79°F). This month also sees higher precipitation levels at 85 mm (3.3 in) spread over 12 days, while humidity remains steady at 62%. In contrast, October experiences a cooler climate with temperatures dipping to a minimum of 9°C (49°F) and an average of 20°C (68°F), peaking at 35°C (95°F). Precipitation decreases to 54 mm (2.1 in) over 10 days, maintaining the same humidity level of 62%. For more details, visit Longmen weather in October.
In September, the weather is significantly warmer, with average temperatures reaching 26°C (79°F) and a maximum of 37°C (99°F). The humidity level is 62%, and the month experiences 85 mm (3.3 in) of rainfall over 12 days. In contrast, November sees much cooler temperatures, with an average of 15°C (59°F) and a maximum of 30°C (87°F). Although November is slightly wetter, with 73 mm (2.9 in) of precipitation over 10 days, the humidity rises to 71%, creating a different feel to the atmosphere. For more detailed insights into the weather in November, you can visit Longmen weather in November.
In September, the weather is warm and quite humid, with average temperatures around 26°C (79°F) and a maximum of 37°C (99°F). The month experiences significant rainfall, totaling 85 mm (3.3 in) over approximately 12 days. In stark contrast, December sees much cooler conditions, with average temperatures dropping to 9°C (49°F) and a minimum of -2°C (29°F). Precipitation decreases to 41 mm (1.6 in), with rain falling on about 9 days, while humidity rises to 75%. This stark shift from the heat of September to the chill of December creates a notable change in the seasonal atmosphere. For more detailed information, you can check out Longmen weather in December.
As summer transitions into autumn, September in Longmen offers a remarkable shift in weather compared to the hotter months. While temperatures can peak at a sizzling 37°C (99°F), the average dips to a more comfortable 26°C (79°F), providing a welcome reprieve from the summer heat. With an average of 85 mm (3.3 in) of rainfall over about 12 days, September is notably more humid, with levels around 62%, introducing a lively atmosphere that invigorates the landscape. This blend of warmth and moisture enhances the beauty of the region, making it a unique time to explore Longmen's natural wonders. For those seeking detailed insights into the weather patterns, check out Longmen Climate.