Last updated: August 21, 2025
In September, Tianmen, China, experiences a refreshing transition into autumn, with temperatures oscillating from a minimum of 2°C (35°F) to a comfortable maximum of 29°C (84°F). The average temperature hovers around 15°C (60°F), making it a pleasant time for outdoor activities. However, be prepared for some moisture, as the region receives approximately 120 mm (4.7 in) of rainfall over an average of 11 days, contributing to a notable humidity level of 86%. This combination of warmth and moisture creates a lush environment, perfect for exploring Tianmen's stunning natural landscapes.
In September, Tianmen experiences a refreshing transition as summer gives way to early autumn. With temperatures ranging from a chilly minimum of 2°C (35°F) to a pleasant maximum of 29°C (84°F), the city enjoys a delightful average of 15°C (60°F). This month marks a noticeable decline from the sweltering heat of summer, creating a comfortable climate that is perfect for outdoor activities. The gradual cooling trend hints at the impending embrace of autumn, making September an ideal time to explore the beautiful landscapes of Tianmen before the frigid winter sets in.
In September, Tianmen experiences a significant shift in precipitation, with an impressive 120 mm (4.7 in) of rain over 11 days. This marks a decline from the previous month’s peak of 209 mm (8.2 in) in August, highlighting a transitional period as the summer storms begin to wane. The month still retains a substantial amount of rainfall, indicative of the lingering humidity and the tail end of the monsoon season. As the city moves into the fall months, the precipitation begins to taper off, foreshadowing the drier conditions that November and December will bring. This seasonal pattern illustrates Tianmen's prolonged wet season, underscoring the region's lush landscapes cultivated by the summer deluge.
In September, humidity in Tianmen, China, reaches a notable 86%, reflecting the ongoing trend of high moisture levels typical for late summer. This slight decrease from the peak humidity of 88% in August suggests a gradual shift toward autumn, yet the air remains humid compared to the drier months that follow. As the year progresses, the humidity begins to drop significantly, plunging to 65% by November. This transition highlights the distinct seasonal changes, where the oppressive summer humidity gives way to the crisp, cooler air of fall, creating a dynamic and engaging climate throughout the year.
In September, Tianmen, China experiences a UV Index of 6, indicating a high exposure category. This marks a noticeable decline from the peak summer months, where the UV Index soared to 10 in July. As the burn time extends to 25 minutes, it’s essential for residents and visitors to remain vigilant about sun protection, even as the days grow shorter. With the transition from summer’s extreme UV levels to a more moderate autumn, September invites outdoor activities while reminding us that sun safety remains crucial. For more detailed insights, visit Tianmen UV Index.
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As summer transitions into autumn, September in Tianmen, China, offers a gentle farewell to the long, sun-drenched days, basking in 277 hours of sunlight. This month maintains a significant amount of daylight, despite a subtle decline from the peak sunshine experienced in the height of July, which boasts an impressive 328 hours. Following a slight drop in August, September continues the downward trend but remains well above the sunlight levels seen just a few months prior in January, where only 185 hours illuminated the days. During this period, residents and visitors alike can enjoy the glorious golden hues of early autumn, setting the stage for a vibrant seasonal shift while still savoring the lingering warmth of summer's embrace.
In Tianmen, China, the likelihood of sunny weather in September stands at 38%, marking a slight uptick compared to the wetter summer months of July and August. This drop in sunshine is notable as the sunniest months occur in the colder seasons, particularly January and December, each boasting a 60% chance of clear skies. The general trend suggests that as the year progresses from the sweltering summer towards autumn, the probability of sunshine gradually rises again toward the crispness of autumn. Despite September's modest chance for sun, it hints at a transition towards the more favorable October, where sunny days return to 55%, making this a time of hope for clearer skies.
As September rolls in, Tianmen, China experiences a gentle decline in daylight duration, offering about 12 hours of sunlight, a harmonious transition from the vibrant 14 hours of daylight in August. This gradual decrease marks the beginning of autumn, where the long summer days begin to wane, signaling the approach of a cooler season. Following the peak daylight months of June and July, both with 15 hours of brightness, September serves as a poignant reminder of nature's cyclical rhythm, as daylight wanes further into October’s 10 hours. This gradual ebb of sunlight fosters a soothing atmosphere, preparing the landscape for the enchanting changes autumn brings.
As September rolls into Tianmen, China, the average wind speed gently settles at 2.3 m/s (5 mph), marking a slight dip compared to the summer months. Following a peak in early summer, where July experiences the calmest conditions at just 1.6 m/s (4 mph), the winds begin to pick up again as autumn approaches. This transition is indicative of a broader trend; the wind tends to gain strength in the cooler months, with average speeds increasing come October and peaking in the spring with averages of 3.2 m/s (7 mph) in April and November. Thus, September acts as a serene bridge, leading into the more dynamic autumn and winter breezes that define Tianmen’s climate.
Weather in Tianmen varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tianmen, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, temperatures range from a mild minimum of 2°C (35°F) to a warm maximum of 29°C (84°F), creating an average of 15°C (60°F). The month sees considerable precipitation, with 120 mm (4.7 in) falling over 11 days and humidity levels at a high 86%. In contrast, January experiences frigid cold, with temperatures plunging to a minimum of -37°C (-35°F) and averaging -17°C (1°F), reaching a maximum of just -1°C (30°F). Precipitation is scarce, totaling only 7 mm (0.3 in) over just 2 days, and humidity is slightly lower at 84%. For more details on January weather, refer to Tianmen weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures vary widely, ranging from a chilly 2°C (35°F) at night to a warm average of 15°C (60°F) and peaking at 29°C (84°F) during the day. The month experiences significant rainfall, with 120 mm (4.7 in) of precipitation across 11 days, contributing to a high humidity level of 86%. In contrast, February brings a much harsher climate, characterized by frigid temperatures that dip as low as -30°C (-22°F), with an average of -13°C (9°F) and a maximum reaching only 7°C (46°F). Precipitation is minimal in February, totaling just 9 mm (0.3 in) over 2 days, and the humidity settles at 79%. For a detailed look at February weather specifics, feel free to check Tianmen weather in February.
September and March present stark differences in weather conditions. In September, temperatures range from a chilly 2°C (35°F) at night to a warm maximum of 29°C (84°F) during the day, with an average of 15°C (60°F). The month experiences significant rainfall, totaling 120 mm (4.7 in) over 11 days, accompanied by high humidity at 86%.
In contrast, March is much colder, with temperatures dipping as low as -25°C (-13°F) at night and reaching a maximum of 19°C (66°F) during the day, averaging around -2°C (28°F). Precipitation is minimal at 22 mm (0.9 in) spread over just 5 days, and humidity is lower at 71%. The variations in weather between these months highlight the transition from late summer to early spring. For more details on March weather, you can refer to Tianmen weather in March.
When comparing the weather in September and April, notable differences emerge. September experiences temperatures ranging from a minimum of 2°C (35°F) to a maximum of 29°C (84°F), with an average of 15°C (60°F). This month is characterized by relatively high humidity at 86% and significant precipitation of 120 mm (4.7 in) over 11 days. In contrast, April has cooler temperatures, with a minimum of -7°C (19°F) and a maximum of 25°C (78°F), averaging 7°C (46°F). The month sees less precipitation, only 34 mm (1.4 in) across 6 days, and a lower humidity level at 65%. For more details on weather patterns during this month, you can visit Tianmen weather in April.
September and May present contrasting weather patterns, despite their proximity in the calendar year. In September, temperatures range from a cooler minimum of 2°C (35°F) to a warm maximum of 29°C (84°F), resulting in an average of 15°C (60°F). The month also experiences higher precipitation, totaling 120 mm (4.7 in) over 11 days, with humidity levels rising to 86%. In contrast, May offers slightly cooler temperatures, with a minimum of 1°C (34°F) and a maximum soaring to 32°C (89°F), giving an average of 14°C (58°F). Furthermore, May's precipitation is lower at 86 mm (3.4 in) over the same number of days, accompanied by a more comfortable humidity level of 70%. For a closer look at May weather specifics, check out Tianmen weather in May.
In comparing the weather of September and June, September tends to show a wider temperature range, with minimums dropping to 2°C (35°F) and maximums reaching 29°C (84°F), while June's temperatures are consistently warmer, with minimums at 7°C (45°F) and maximums soaring to 33°C (92°F). Rainfall is quite similar in both months, with September seeing 120 mm (4.7 in) over 11 days and June accumulating 122 mm (4.8 in) over 15 days. Additionally, September’s humidity is slightly higher at 86%, compared to June's 82%. For a more detailed look at June, you can explore Tianmen weather in June.
When comparing the weather in September and July, notable differences emerge in temperature and precipitation. September experiences a broader temperature range with minimums of 2°C (35°F) and maximums reaching 29°C (84°F), while the average temperature is around 15°C (60°F). In contrast, July is significantly warmer, with temperatures ranging from a minimum of 13°C (55°F) to a maximum of 35°C (96°F) and an average of 24°C (75°F). Precipitation is slightly higher in July at 137 mm (5.4 in) over 16 days compared to 120 mm (4.7 in) in September, which sees rain for 11 days. Both months have high humidity levels, with September at 86% and July at 87%. For further details specific to July, visit Tianmen weather in July.
In comparing the weather conditions between August and September, September presents cooler temperatures, with a minimum of 2°C (35°F) and an average of 15°C (60°F), significantly lower than August's minimum of 8°C (46°F) and average of 21°C (70°F). The maximum temperatures in September reach up to 29°C (84°F), whereas August sees slightly higher peaks at 31°C (89°F). Precipitation is also notably different; September experiences 120 mm (4.7 in) over 11 days, while August has a wetter climate with 209 mm (8.2 in) over 16 days. Furthermore, humidity levels remain relatively high in both months, with September at 86% and August slightly higher at 88%. For more detailed weather specifics, you can check Tianmen weather in August.
In September, the weather is quite warm, with average temperatures around 15°C (60°F) and maximum highs reaching up to 29°C (84°F). The month also sees considerable precipitation, with around 120 mm (4.7 in) falling over 11 days, alongside high humidity levels at 86%. In contrast, October brings a notable drop in temperatures, with an average of 7°C (45°F) and minimum lows plunging to -8°C (18°F). Precipitation decreases significantly to 29 mm (1.1 in) over just 6 days, and humidity slightly lowers to 83%. For those interested in the specifics of the weather in October, more details can be found here: Tianmen weather in October.
September and November exhibit stark contrasts in weather conditions. In September, temperatures can range from a minimum of 2°C (35°F) to a pleasant maximum of 29°C (84°F), with an average of 15°C (60°F) and high humidity levels at 86%. Rainfall is moderate, with around 120 mm (4.7 in) spread over 11 days. In sharp contrast, November brings much chillier temperatures, with lows plunging to -20°C (-4°F) and an average of -4°C (26°F). The maximum temperature remains mild at 14°C (57°F), but the overall climate is drier, with only 34 mm (1.4 in) of precipitation over just 6 days and humidity dropping to 65%. For a detailed look at November weather, visit Tianmen weather in November.
September and December weather present a stark contrast in terms of temperature and conditions. In September, temperatures range from a minimum of 2°C (35°F) to a maximum of 29°C (84°F), with an average of 15°C (60°F), accompanied by substantial precipitation of 120 mm (4.7 in) over 11 days and high humidity at 86%. In contrast, December experiences much harsher conditions, with temperatures plunging from a minimum of -28°C (-19°F) to a maximum of just 7°C (45°F), averaging around -15°C (6°F). Precipitation drops significantly to only 12 mm (0.5 in) over just two days, and humidity decreases to 66%. For more detailed information, you can visit Tianmen weather in December.
As September unfolds in Tianmen, the weather transitions into a unique blend of warmth and moisture, setting it apart from the summer months. With daytime temperatures peaking at a comfortable 29°C (84°F), the evenings cool down to a refreshing 15°C (60°F), providing a pleasant reprieve from the heat. This month also brings a noticeable increase in humidity, averaging an impressive 86%, alongside 120 mm of rainfall over roughly 11 days. This characteristic weather not only enhances the lush greenery but also creates an atmospheric charm that is distinctly September. For those seeking detailed insights into Tianmen's climate throughout the year, explore more at Tianmen Climate.