Last updated: August 21, 2025
Experience the weather in Longmen, China during September, where temperatures can soar to a maximum of 35°C (96°F), while the average hovers around a comfortable 24°C (76°F). As summer transitions to autumn, expect cooler evenings with a minimum of 15°C (59°F). This month also brings 118 mm (4.6 in) of rainfall, spread over 12 days, ensuring the landscape remains lush and vibrant. Humidity levels sit at a moderate 66%, adding a touch of warmth and moisture to the air. Whether you're exploring scenic views or enjoying local culture, September weather in Longmen offers a dynamic and inviting experience.
In September, Longmen experiences a noticeable transition as summer wanes into autumn. The temperatures begin to moderate, with a minimum around 15°C (59°F) and an average of 24°C (76°F), providing a gentle warmth that's perfect for outdoor activities. The peak temperature can soar to 35°C (96°F), reflecting lingering summer heat as the sun sets on the season. This month marks a shift towards cooler evenings, heralding the approach of fall, while still allowing for plenty of pleasant daytime conditions. Overall, September strikes a delightful balance, making it an ideal time to explore the natural beauty and vibrant culture of Longmen.
September in Longmen, China, typically marks a transition as summer wanes and autumn approaches. With 118 mm (4.6 in) of precipitation accumulated over 12 days, the month signals a notable decline in rainfall compared to the peak of the summer months, particularly June, which recorded 283 mm (11.1 in) over 19 days. This trend of diminishing rainfall is not only significant in volume but also in frequency, as September sees fewer rainy days than its preceding months. The easing of rain sets the stage for a more stable climate as the region prepares for the drier autumn months ahead, where October sees a sharp drop to 52 mm (2.0 in). Overall, September embodies a shift from the lavish summer showers to the more restrained and moderate rainfall of fall, emphasizing nature's gradual transition.
In Longmen, China, September marks a noticeable shift in humidity, dipping to 66% after a particularly humid summer. This decrease follows several months where humidity levels hovered around the 85% to 89% range, especially in July. The transition into autumn brings a breath of fresh air, breaking the stagnant moisture of the hottest months. As the year progresses, humidity is expected to gradually rise again, peaking in the spring months, but September's lower levels provide a refreshing reprieve, setting the stage for more comfortable conditions in the coming weeks.
As September rolls in, Longmen, China experiences a slight dip in the UV Index, settling at 10—indicating a very high level of sun exposure. This marks a transition from the relentless extreme values of the summer months, which peaked at 12 in July and August. With a burn time of just 15 minutes, it's still crucial to take precautions, especially for those who have been enjoying the summer sun. This month serves as a reminder to stay vigilant and protected against UV radiation as temperatures begin to cool but the sun's strength remains significant. To learn more about the UV Index throughout the year, visit Longmen UV Index.
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September in Longmen, China, offers a delightful blend of summer warmth and early autumn charm, with an impressive 255 hours of sunshine gracing the month. As the summer peaks in July with a dazzling 290 hours, the sunlight begins to wane slightly yet remains generous as the seasons transition. Following August's record high of 310 hours, September maintains a robust sun count that outshines the previous months of the year, like January's modest 147 hours and February's 181 hours. This trend indicates not only a gradual decline from the summer months but also a lingering warmth that invites locals and visitors alike to savor the beauty of early fall in this scenic region.
As summer gives way to autumn, Longmen, China, experiences a notable uplift in sunny weather during September, boasting a 62% chance of sunshine. This is a remarkable increase compared to the preceding months, particularly July and August, which hover around 34% and 30% chance of clear skies, respectively. This trend suggests that September is not only one of the most favorable months for sunshine but also marks a significant transition towards brighter days after a season of higher humidity and rainfall. Residents and visitors alike can look forward to enjoying the golden rays of autumn, making September an ideal time for outdoor activities and exploration in this beautiful region.
As September unfolds in Longmen, China, the daylight duration begins its gentle retreat after a summer filled with long, sunlit days. With 12 hours of daylight, September marks a transition from the peak summer months, where daylight reached its height of 13 hours in June through August. This gradual decrease mirrors the changing seasons, as the vibrant warmth of summer gives way to the crispness of fall. The pattern of daylight throughout the year showcases a rhythmic ebb and flow, with daylight diminishing steadily from January's 10 hours to the peak in the summer months, before tapering off again as winter approaches. This cyclical dance of light serves as a reminder of nature's ever-changing beauty.
In September, Longmen experiences a gentle breeze with an average wind speed of 1.6 m/s (3 mph), which aligns with the trend of mild winds prevalent throughout the summer months. Notably, this month maintains a consistent wind speed similar to that of April and August, suggesting a calming transition as the region approaches the autumn season. As the year progresses, wind speeds begin to rise with October showcasing a notable increase to 2.1 m/s (5 mph), hinting at a shift towards more invigorating gusts. Overall, September's winds offer a serene backdrop to the picturesque landscape, seamlessly fitting into the larger pattern of fluctuating weather that characterizes Longmen's charm.
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.
September and January present contrasting weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 35°C (96°F), with an average of 24°C (76°F). This month also experiences considerable rainfall, averaging 118 mm (4.6 in) over 12 days, accompanied by a humidity level of 66%. In stark comparison, January features colder temperatures, with a minimum of -7°C (20°F), an average of 5°C (42°F), and a maximum of only 19°C (67°F). Precipitation is less frequent in January, totaling 71 mm (2.8 in) across 8 days, while humidity rises slightly to 69%. For more specific details on January weather, you can visit Longmen weather in January.
September and February present strikingly different weather conditions. In September, temperatures range from a mild 15°C (59°F) at night to a sweltering 35°C (96°F) during the day, with an average of 24°C (76°F). The month typically sees 118 mm (4.6 in) of rainfall over about 12 days, coupled with a humidity level of 66%. In contrast, February experiences much cooler temperatures, with overnight lows dipping to -3°C (27°F) and daytime highs reaching only 24°C (75°F), averaging around 7°C (45°F). While February has less precipitation at 87 mm (3.4 in) over 14 days, the humidity is slightly higher at 71%. For a deeper look at February weather, you can check Longmen weather in February.
September and March present contrasting weather patterns. In September, the temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 35°C (96°F), with an average of 24°C (76°F). The month sees a moderate level of precipitation at 118 mm (4.6 in) over about 12 days, coupled with a humidity level of 66%. In contrast, March experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 28°C (82°F), averaging 12°C (55°F). However, it is significantly wetter, accumulating 213 mm (8.4 in) of rainfall over 18 days and a higher humidity level at 83%. For detailed insights into March weather specifics, you can refer to Longmen weather in March.
When comparing the weather in September and April, significant differences emerge in temperature and precipitation. September typically features warmer temperatures, with a minimum of 15°C and an average of 24°C, peaking at 35°C. In contrast, April sees cooler temperatures, ranging from a minimum of 4°C to an average of 17°C, with a maximum of 31°C. Precipitation is notably higher in April, with 213 mm falling over 16 days, compared to September's 118 mm over 12 days. Additionally, April's humidity is higher at 86%, while September's average humidity sits at 66%. For specific weather details in April, refer to Longmen weather in April.
When comparing September and May weather, one can observe distinct differences in temperature and precipitation. September tends to be warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), averaging around 24°C (76°F). In contrast, May is cooler, with a minimum of 11°C (52°F), an average of 21°C (71°F), and a maximum of 33°C (92°F).
However, May experiences significantly higher rainfall, totaling 246 mm (9.7 in) over approximately 17 days, whereas September has only 118 mm (4.6 in) during 12 days. Additionally, humidity levels are noticeably higher in May at 85%, compared to September's 66%. For more specific details about May weather in Longmen, you can check Longmen weather in May.
When comparing the weather in September and June, we see some notable differences. September typically experiences a slightly lower average temperature of 24°C (76°F) compared to June's 25°C (77°F). However, September's maximum temperature can reach up to 35°C (96°F), making it warmer on particularly hot days. Precipitation levels are considerably different as well; September sees 118 mm (4.6 in) over 12 days, while June has significantly higher rainfall at 283 mm (11.1 in) spread across 19 days. The humidity in June is also notably higher at 85%, as opposed to September's 66%, making June feel more muggy. For a deeper insight into June's climate, you can visit Longmen weather in June.
In comparing the weather of July and September, we see distinct differences in both temperature and precipitation. July is generally hotter, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 37°C (99°F) and an average temperature of 27°C (82°F). This month also experiences high humidity at 89% and significant rainfall, totaling 238 mm (9.4 in) over 16 days. In contrast, September offers more moderate temperatures, with a minimum of 15°C (59°F), an average of 24°C (76°F), and a maximum of 35°C (96°F). Although it remains humid at 66%, rainfall is lower, with 118 mm (4.6 in) spread over 12 days. For more detailed insights, you can explore the weather specifics in July here: Longmen weather in July.
In August, the weather is consistently warmer, with average temperatures reaching 28°C (82°F) and daily maximums peaking at 37°C (98°F). This month also boasts higher humidity levels at 85%, contributing to a sticky atmosphere, despite slightly more precipitation at 142 mm (5.6 in) over 14 days. In contrast, September sees a drop in average temperature to 24°C (76°F), with maximums reaching 35°C (96°F). The humidity decreases to a more comfortable 66%, and while precipitation remains notable at 118 mm (4.6 in) over 12 days, September generally feels less oppressive than August. For more details, check Longmen weather in August.
September and October present a noticeable shift in weather patterns. September enjoys warmer temperatures, ranging from a minimum of 15°C (59°F) to an average of 24°C (76°F) and a high of 35°C (96°F). In contrast, October sees a significant drop in the average temperature to 18°C (64°F) with minimums dipping to 9°C (48°F). While both months can reach similar maximum temperatures of around 35°C (95°F), October is generally cooler overall. Precipitation also declines in October, with just 52 mm (2.0 in) over 9 days compared to September's 118 mm (4.6 in) over 12 days. Interestingly, October's humidity slightly increases to 68%, adding to the crispness of the air as autumn begins to settle in. For more detailed insights, visit Longmen weather in October.
In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), with an average temperature of 24°C (76°F). This month experiences significant rainfall, with 118 mm (4.6 in) of precipitation spread over 12 days and a humidity level of 66%. In contrast, November sees a marked drop in temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 26°C (79°F), with an average temperature of 13°C (55°F). Precipitation decreases to 58 mm (2.3 in) over 9 days, accompanied by a higher humidity level of 77%. This shift indicates a transition from the warm, rainy conditions of September to the cooler, somewhat drier atmosphere of November. For more detailed information, you can check Longmen weather in November.
September weather is characterized by warm temperatures, with a minimum of 15°C (59°F) and an average high reaching 35°C (96°F). This month sees significant precipitation, totaling 118 mm (4.6 in) over approximately 12 days, coupled with a humidity level of 66%. In contrast, December brings a much cooler climate, featuring a minimum temperature of -5°C (23°F) and an average high of only 19°C (67°F). Precipitation drops to 53 mm (2.1 in) over 8 days, and humidity levels rise to 78%. This stark contrast highlights the transition from the warmth of early autumn to the chill of mid-winter. For more detailed weather insights, visit Longmen weather in December.
As September rolls into Longmen, the weather showcases a delightful transition from the summer heat, with warm days averaging a comfortable 24°C and occasional peaks up to 35°C. Unlike the sweltering summer months, the humidity settles at a moderate 66%, offering a refreshing change. Though rainfall is more frequent with about *12 days_ of precipitation producing roughly 118 mm of rain, this adds a lush vibrancy to the landscape. This month is characterized by a balance between the warmth of summer and the approaching coolness of autumn, making it a pleasant time to explore the beauty of Longmen. For a deeper dive into what to expect throughout the year, visit Longmen Climate.