Last updated: August 21, 2025
In September, Longmen, China, experiences a warm climate characterized by maximum temperatures reaching 35°C (95°F) and an average temperature of 28°C (82°F). While daytime warmth is prevalent, the nights remain relatively mild with a minimum temperature of 21°C (71°F). This month sees substantial precipitation, accumulating to 192 mm (7.6 in) over 23 days, contributing to the region's high humidity level of 82%. Visitors should be prepared for a mix of warm days and frequent showers, ideal for exploring the lush landscapes and cultural sites that Longmen has to offer.
In September, Longmen, China, experiences a delightful transition as summer begins to wane. The temperatures reflect this shift, with a minimum of 21°C (71°F) and an average of 28°C (82°F), offering a comfortable warmth that invites outdoor exploration. While the mornings can still feel quite pleasant, the maximum temperature peaks at 35°C (95°F), reminiscent of the late summer heat. This month serves as a perfect blend of lingering warmth and the hint of cooler days ahead, making it an ideal time for both relaxation and adventure. With a gradual decline in temperatures from the sweltering highs of July and August, September marks a refreshing yet warm period before the cooler embrace of autumn settles in.
In September, Longmen experiences a significant shift in precipitation, receiving 192 mm (7.6 in) of rain over 23 days. This marks a notable decline from August's staggering 281 mm (11.1 in), suggesting a gradual transition into drier conditions as the region begins to exit the peak of its rainy season. The consistent rainfall pattern established during the summer months continues to shape September, with a considerable number of rain days, yet the overall precipitation level illustrates a downward trend. As autumn approaches, the scene becomes a blend of lingering moisture and the anticipation of cooler days ahead, providing a refreshing change to the landscape while hinting at the reduced rainfall expected in the months to follow.
In Longmen, China, September marks a slight decline in humidity, settling at 82% after the sweltering summer months. This drop follows a peak in July at 87% and August at 86%, indicating a transition towards the drier fall season. Despite this decrease, September still retains a relatively high humidity level compared to the earlier months of the year, where humidity was in the mid-seventies. The gradual increase from January through August culminates in the warm, moist air characteristic of summer, but as autumn approaches, the humidity begins to stabilize, paving the way for drier conditions in the months ahead.
In September, Longmen, China, experiences a UV Index of 13, marking it as part of the extreme exposure category with a burn time of just 10 minutes. This month continues the trend of heightened UV levels that began in February, with indices climbing from 11 to a peak of 14 in July and August, only to slightly decline in September. As summer transitions into fall, residents and visitors should remain vigilant against the sun's intensity, highlighting the importance of protective measures as part of their outdoor activities. For detailed insights into monthly UV patterns, explore the Longmen UV Index.
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As September unfolds in Longmen, China, the city basks in 294 hours of sunlight, continuing the trend of abundant light that peaked during the vibrant summer months. From the 319 hours in July to slightly lower figures in August, the sunlight in September maintains a warm glow, hinting at a gentle transition into autumn. This month’s totals reflect a slight dip yet remain robust compared to the earlier months of the year, illustrating a sustained abundance as the seasons shift. The gradual reduction of daylight hours as the year progresses is mirrored in the figures from October onward, but for September, the sun continues to shower Longmen with its golden rays, preparing the landscape for the forthcoming hues of fall.
In Longmen, China, September brings with it a moderate chance of sunny weather, with 31% of days likely to be bright and clear. While this is an improvement from the dismal 16% during the rain-soaked June, it still lags behind the sunnier months of February (49%) and November (40%). The trend reveals that as summer wanes, the probabilities of sunshine dip slightly in July and August, but September offers a glimmer of brightness before the weather cools further in autumn. Overall, visitors can expect a mix of sun and clouds, making it a pleasant time to explore the picturesque landscapes of Longmen.
In Longmen, China, the September daylight duration reflects a gradual transition as summer yields to autumn. With approximately 12 hours of daylight, September marks a peak that follows the sun-drenched months of June and July, which boast the longest days of the year. This balance of daylight is consistent, mirroring the earlier months of spring where the daylight gradually increased. As September progresses, the light hours begin to taper off, heralding the approach of October and the shorter days ahead. This rhythmic ebb and flow of daylight not only enhances the natural beauty of the landscape, but also imbues a sense of seasonal change that the residents of Longmen have come to cherish.
In September, Longmen, China experiences a gentle shift in wind patterns, with the average wind speed dropping to 2.1 m/s (5 mph), marking it as one of the calmest months of the year. This decline in wind intensity follows a gradual increase during the spring months, peaking in May at 3.6 m/s (8 mph). As summer gives way to autumn, the winds soften, hinting at the approaching change of seasons. Notably, October promises a resurgence in breezes, with wind speeds expected to rise again to 3.7 m/s (8 mph). This cyclical rhythm of wind in Longmen not only reflects the climatic transitions but also sets the stage for a serene autumn atmosphere.
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 significantly warmer and more humid compared to January. September sees minimum temperatures around 21°C (71°F) and average highs reaching 35°C (95°F), paired with a high level of humidity at 82% and considerable rainfall of 192 mm (7.6 in) over 23 days. In contrast, January experiences much cooler weather, with minimum temperatures dropping to 6°C (43°F) and average highs of 29°C (85°F). The month is also drier, with only 24 mm (1.0 in) of precipitation spread over just 9 days and a lower humidity level of 74%. To learn more about the specifics of January weather, you can visit Longmen weather in January.
September and February exhibit striking contrasts in their weather patterns. September brings warm temperatures, with a minimum of 21°C (71°F) and an average of 28°C (82°F), peaking at a scorching 35°C (95°F). This month is also marked by significant rainfall, totaling 192 mm (7.6 in) over 23 days, combined with high humidity levels at 82%. In contrast, February features much cooler conditions, with a minimum temperature of 8°C (46°F) and an average of 20°C (68°F), reaching a maximum of 32°C (90°F). The precipitation drops dramatically to 35 mm (1.4 in) across just 9 days, accompanied by a lower humidity level of 75%. For a closer look at February weather, visit Longmen weather in February.
September and March present contrasting weather patterns, with September marked by higher temperatures and significantly more rainfall. In September, the minimum temperature is around 21°C (71°F), averaging 28°C (82°F) and soaring to a maximum of 35°C (95°F), coupled with a substantial 192 mm (7.6 in) of precipitation over 23 days and humidity levels at 82%. In contrast, March features a cooler climate with a minimum of 14°C (57°F) and an average of 24°C (75°F), while still reaching 35°C (95°F) at its peak. Rainfall in March is considerably lighter, totaling just 47 mm (1.9 in) over 10 days and with slightly lower humidity at 78%. For a more detailed look at March weather, you can refer to Longmen weather in March.
In September, the weather tends to be hotter and more humid compared to April, with average temperatures reaching 28°C (82°F) and maximums peaking at 35°C (95°F). This month also sees higher precipitation levels, with 192 mm (7.6 in) falling over 23 days, contributing to a humidity of 82%. In contrast, April features milder temperatures, with an average of 25°C (78°F) and a minimum of 14°C (58°F). The month is significantly drier, receiving only 101 mm (4.0 in) of rainfall over 14 days, coupled with a slightly lower humidity of 80%. For more detailed weather information on April, you can visit Longmen weather in April.
September and May exhibit similar average temperatures, both hovering around 28°C (82°F). However, September tends to have slightly higher maximum temperatures, reaching up to 35°C (95°F) compared to May's peak of 38°C (100°F). In terms of precipitation, both months are relatively wet, with September accumulating 192 mm (7.6 in) over 23 days and May experiencing slightly more rainfall at 204 mm (8.0 in) across 18 days. Humidity levels are comparable, with September at 82% and May slightly lower at 81%. For a detailed look at May weather, you can check this link: Longmen weather in May.
In comparing the weather of September and June, September tends to have slightly cooler temperatures, with minimums around 21°C (71°F) and maximums peaking at 35°C (95°F), while June experiences higher minimums at 23°C (74°F) and maximums soaring up to 38°C (101°F). Despite June being warmer overall, it also has a similar level of humidity at 81%, compared to September's 82%. Additionally, September records more rainfall, totaling 192 mm (7.6 in) over 23 days, whereas June sees slightly less at 168 mm (6.6 in) over 17 days. For more detailed insights about the weather in June, you can visit Longmen weather in June.
When comparing the weather of September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), while July sees higher averages with minimums at 24°C (76°F) and maximums reaching up to 37°C (99°F). Despite being a bit cooler, September experiences significant precipitation, measuring 192 mm (7.6 in) over 23 days, compared to July's 208 mm (8.2 in) over 20 days. Additionally, humidity levels are slightly lower in September at 82%, compared to July's higher humidity of 87%, indicating that July feels a bit more oppressive. For further details on July weather, you can visit Longmen weather in July.
In comparing the weather of September and August, we see some notable differences. September experiences slightly lower minimum temperatures, registering a minimum of 21°C compared to August's 23°C. Both months have an average temperature of around 28°C, with maximum temperatures reaching 35°C. However, September sees a significant decrease in precipitation, with 192 mm over 23 days, while August has a heftier total of 281 mm across 24 days. Humidity remains high in both months, though it is marginally lower in September at 82%, compared to 86% in August. For more detailed insights, you may refer to Longmen weather in August.
September and October exhibit notable differences in weather patterns. September tends to be slightly warmer, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 35°C (95°F), while October cools down with averages from 18°C (65°F) to 34°C (93°F). Both months experience substantial rainfall, but September sees slightly higher precipitation at 192 mm (7.6 in) over 23 days compared to October's 187 mm (7.4 in) over 19 days. Humidity remains high in both months, with September at 82% and October slightly lower at 81%. For a detailed look at October weather, visit Longmen weather in October.
September and November present a striking contrast in weather conditions. September boasts warmer temperatures, with minimums around 21°C (71°F) and maximums reaching up to 35°C (95°F), creating a hot and humid atmosphere with an average of 28°C (82°F). In addition, it experiences significant rainfall with 192 mm (7.6 in) spread over 23 days, leading to a high humidity level of 82%. In contrast, November features cooler temperatures, with lows of 16°C (62°F) and highs of 30°C (87°F), resulting in a more temperate average of 23°C (74°F). Additionally, precipitation decreases to 58 mm (2.3 in) over only 11 days, with humidity slightly lower at 80%. For those interested in detailed weather patterns, Longmen weather in November provides further insights.
In September, the weather is characterized by much warmer temperatures, with minimums of 21°C (71°F) and maximums reaching up to 35°C (95°F). The month experiences considerable rainfall, totaling 192 mm (7.6 in) over 23 days, contributing to a high humidity level of 82%. In contrast, December offers a cooler climate with minimum temperatures dropping to 11°C (52°F) and maximums reaching 29°C (84°F). Rainfall is significantly reduced to 36 mm (1.4 in) over just 6 days, accompanied by a slightly lower humidity of 79%. For more detailed insights, check out Longmen weather in December.
In September, Longmen experiences a marked transition in weather, featuring warm temperatures that hover around a high of 35°C (95°F) and an average of 28°C (82°F). Unlike the drier months earlier in the year, September sees significant rainfall, with precipitation occurring on nearly every day of the month, contributing to the high humidity of about 82%. This combination of warmth and moisture not only creates a tropical atmosphere but also sets the stage for lush landscapes. For a more detailed look at how these climate conditions shape Longmen's unique weather patterns, visit Longmen Climate.