Last updated: August 21, 2025
In September, Tiantaishan, China, experiences a dynamic climate characterized by a maximum temperature reaching up to 38°C (100°F), while the average temperature sits comfortably at 26°C (79°F). Cooler evenings bring a minimum of 16°C (61°F), offering respite from the daytime heat. The month sees a total precipitation of 67 mm (2.6 in), with rain falling on 11 days, contributing to the region's lush landscape. With an average humidity level of 62%, visitors can expect a blend of warmth and occasional showers, making September a uniquely vibrant time to explore Tiantaishan.
In September, Tiantaishan experiences a delightful blend of autumn warmth, with temperatures showing a noticeable transition as summer bids farewell. The minimum temperature settles at a comfortable 16°C (61°F), while the average hovers around 26°C (79°F), offering a pleasant climate for outdoor activities. As the month progresses, the peaks reach a sizzling 38°C (100°F), reminiscent of the summer's tail end. This slight cooling trend from the scorching heights of July and August signifies the gradual shift towards autumn, where the heat begins to wane and nature transforms into a tapestry of fall colors. Overall, September serves as an ideal time for visitors to enjoy the striking landscapes of Tiantaishan before the colder months set in.
In September, Tiantaishan experiences a noticeable shift in its precipitation patterns, with 67 mm (2.6 in) of rain falling over 11 days. This marks a significant decline from the summer's heavier rainfall, particularly from June's peak of 276 mm (10.8 in) and July’s 201 mm (7.9 in). The transition into autumn often brings a refreshing pause in the intense rainfall, leading to a more moderate climate as the year begins to wind down. With September’s precipitation being lower than the preceding months but still presenting a consistent drizzle, the region gracefully balances between the lingering monsoon dynamics of summer and the drier conditions anticipated in October.
In Tiantaishan, September marks a notable shift in humidity levels, dropping to 62%, a refreshing contrast to the peak summer months. This decrease follows a trend of rising humidity from January's 65%, which gradually escalates through late spring and early summer, hitting a high of 89% in July. As the summer wanes, August remains relatively humid at 86%, but September’s dip signals the onset of autumn, paving the way for a more comfortable atmospheric feel. Interestingly, this lower humidity persists into October, suggesting that the region experiences a brief but marked transition to drier conditions before winter brings a gradual increase once again. Overall, September exemplifies a key turning point in Tiantaishan's climatic rhythm, making it a distinct month in the annual humidity cycle.
As September rolls in Tiantaishan, China, the UV Index reflects a notable shift from the extreme levels experienced during the summer months. With a UV Index of 10, categorized as very high, residents and visitors must remain vigilant, as the burn time is reduced to just 15 minutes. This decline from August's peak signifies the onset of fall, yet caution is still advised when basking in the sun. Looking ahead, October will see a slight decrease in the UV Index to 9, continuing the trend of diminishing sun intensity. Staying informed about the UV Index is crucial for outdoor enthusiasts, and you can check the monthly updates here: Tiantaishan UV Index.
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In September, Tiantaishan basks in a substantial 262 hours of sunshine, a delightful continuation of the summer's glow. As warmer months unfold, the trend is clear: the region experiences a magnificent peak in sunshine hours during August, reaching an impressive 317 hours. This consistent basking in sunlight begins to gracefully taper off in October with 202 hours, yet it remains robust compared to the earlier months of the year. The transition from the lush vibrancy of July and August signals the approach of autumn, yet September retains a warmth that encourages outdoor exploration and appreciation of the stunning natural landscapes. This month serves as a bridge, gracefully merging the long, sun-drenched days of summer with the softer, golden hues of fall.
September in Tiantaishan, China, marks a notable shift towards sunnier days, boasting a 64% chance of sunshine, the highest probability of the year. This increase comes after a summer of fluctuating sun exposure, with July and August trailing at 37% and 28%, respectively. The contrast is striking, as the waning summer warmth gives way to a brighter, more inviting atmosphere, inviting outdoor activities and exploration. As autumn approaches, the likelihood of sunny days plummets again, with October only reaching 31%, making September a prime time for those seeking to bask in the sun before the cooler months set in.
As September arrives in Tiantaishan, China, the daylight hours begin to gently decline, offering a transitional glimpse into the changing seasons. With 12 hours of daylight, this month marks a subtle shift from the vibrant summer months, where daylight peaked at 13 hours from May to August. This gradual decrease hints at the approaching autumn, reminiscent of nature's cycle as it prepares to embrace the cooler months ahead. Following September, the daylight will further wane, settling into 11 hours in October before reaching 10 hours by November. This rhythm not only reflects the passage of time but also invites residents and visitors alike to savor the lingering warmth of late summer as they anticipate the serene beauty of fall.
As September unfolds in Tiantaishan, the average wind speed hovers around 1.7 m/s (4 mph), reflecting a slight dip compared to the breezier summer months. This consistent speed, characteristic of early autumn, marks a transition from the summer gusts of 2.1 m/s (5 mph) in July, allowing for a gentle, refreshing breeze that enhances the region's serene landscapes. Notably, the wind tends to remain stable, hovering around the 4 mph mark throughout most of the year, only breaking this trend in the more dynamic summer and early autumn months. As nature shifts gears, the gentle winds of September invite both locals and visitors to embrace the tranquility of the season.
Weather in Tiantaishan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Tiantaishan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, temperatures are notably warm, with a minimum of 16°C (61°F) and an average of 26°C (79°F), peaking at a scorching 38°C (100°F). The month experiences significant precipitation, totaling 67 mm (2.6 in) over 11 days, coupled with a humidity level of 62%. In contrast, January brings a dramatic chill, where temperatures drop to a minimum of -4°C (25°F), with an average of just 7°C (45°F) and a maximum of 21°C (71°F). Precipitation is slightly lower at 60 mm (2.4 in) over 8 days, with humidity slightly higher at 65%. For a detailed look at January weather in Tiantaishan, you can check Tiantaishan weather in January.
In September, the weather tends to be warm with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 38°C (100°F), averaging around 26°C (79°F). This month experiences about 67 mm (2.6 inches) of rainfall over approximately 11 days, with a humidity level of 62%. In contrast, February brings much cooler temperatures, with a minimum of -3°C (28°F) and a maximum of 26°C (79°F), averaging only 9°C (48°F). It is also wetter, receiving about 90 mm (3.6 inches) of precipitation over 12 days, along with a slightly higher humidity level of 69%. For more specific insights into February weather, you can visit Tiantaishan weather in February.
September generally offers warmer weather compared to March, with average temperatures reaching 26°C (79°F) and maximums soaring up to 38°C (100°F). In contrast, March has a cooler average temperature of 14°C (57°F) and can reach a maximum of 29°C (85°F). While September experiences moderate precipitation of 67 mm (2.6 in) over about 11 days, March is much wetter, receiving 203 mm (8.0 in) across 20 days. Additionally, the humidity is higher in March at 81%, compared to 62% in September. For more detailed insights into March’s climate, you can check Tiantaishan weather in March.
When comparing the weather in September and April, there are notable differences in temperature and precipitation levels. September tends to be significantly warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 38°C (100°F), while April sees a cooler range, with temperatures between 6°C (43°F) and 33°C (91°F). Additionally, September experiences less rainfall, accumulating around 67 mm (2.6 in) over approximately 11 days, whereas April is much wetter, receiving about 192 mm (7.6 in) over 16 days. The humidity is also higher in April at 82%, compared to 62% in September. For more detailed insights into April's climate, you can visit Tiantaishan weather in April.
In comparing weather conditions between September and May, notable differences emerge. September experiences warmer temperatures with an average of 26°C (79°F), reaching highs of up to 38°C (100°F), while May has a slightly cooler average of 23°C (73°F) and maximums of 36°C (96°F). However, May is significantly wetter, with total precipitation of 253 mm (10.0 in) over 18 days compared to September's 67 mm (2.6 in) spread across 11 days. Additionally, May boasts higher humidity levels at 86%, compared to September's 62%. For more detailed insights into May weather, you can explore Tiantaishan weather in May.
In comparing the weather of September and June, we find that both months share an average temperature of around 26°C (79°F); however, September offers a slightly broader range with minimum temperatures of 16°C (61°F) and maximums reaching 38°C (100°F). In contrast, June has a minimum of 18°C (64°F) and a maximum of 36°C (97°F). Precipitation levels significantly differ, with June experiencing much heavier rainfall at 276 mm (10.8 in) over 18 days, compared to September's 67 mm (2.6 in) spread across 11 days. Additionally, the humidity in June is notably higher at 86%, while September’s humidity is closer to 62%, creating a distinctly more humid environment earlier in the summer. For more details, you can check the Tiantaishan weather in June.
In comparing the weather of September and July, we can observe some notable differences. September tends to have a slightly lower minimum temperature of 16°C (61°F) compared to July's 20°C (69°F), but both months can reach a maximum of 38°C (100°F for September and 101°F for July). The average temperature in September is also milder at 26°C (79°F) versus July's 29°C (84°F).
Despite some similarities in maximum temperatures, July is significantly wetter, receiving 201 mm (7.9 in) of precipitation over 13 days, while September sees much less rainfall at 67 mm (2.6 in) over 11 days. Additionally, July experiences higher humidity levels at 89% compared to September’s 62%. For a more detailed look at July's weather, check Tiantaishan weather in July.
In comparing the weather between August and September, we can see some notable differences. September experiences slightly cooler average temperatures, with a minimum of 16°C (61°F) and an average high of 38°C (100°F), while August maintains higher temperatures, with minimums around 22°C (72°F) and an average of 29°C (85°F). Precipitation levels also differ, as September sees 67 mm (2.6 in) of rain over 11 days compared to August's 78 mm (3.1 in) over 12 days, indicating slightly drier conditions in September. Additionally, September's humidity at 62% is significantly lower than August's 86%, making September feel less muggy overall. For more detailed information, you can check Tiantaishan weather in August.
September and October showcase a notable shift in weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 38°C (100°F), with an average of 26°C (79°F). The month also experiences significant rainfall, totaling 67 mm (2.6 in) over 11 days, while humidity remains consistent at 62%. In contrast, October brings cooler temperatures, dipping to a minimum of 9°C (49°F) and averaging 20°C (68°F), with a maximum of 36°C (98°F). Precipitation decreases to 39 mm (1.5 in) over just 7 days, yet humidity remains unchanged at 62%. For more details on the specific weather conditions during this month, you can check out Tiantaishan weather in October.
September and November present distinctly different weather patterns. In September, temperatures are warmer, with a minimum of 16°C (61°F) and an average of 26°C (79°F), peaking at a scorching 38°C (100°F). The month also experiences moderate rainfall, with 67 mm (2.6 in) of precipitation spread over 11 days, coupled with a humidity level of 62%. In contrast, November brings much cooler temperatures, where the minimum drops to 3°C (37°F) and the average rests at 14°C (58°F), with a maximum of 29°C (84°F). Rainfall is slightly lower at 64 mm (2.5 in) over 9 days, and humidity increases to 71%. For more detailed insights, you can check out the Tiantaishan weather in November.
September and December display markedly different weather patterns. In September, temperatures can reach a maximum of 38°C (100°F), with an average of 26°C (79°F) and relatively high humidity at 62%. This month also sees about 67 mm (2.6 in) of precipitation over 11 days. In contrast, December experiences a much cooler climate, with maximum temperatures capping at 22°C (72°F) and an average temperature of 9°C (48°F). The minimum temperature can drop to -2°C (29°F), while precipitation is slightly lower at 55 mm (2.2 in) over 9 days, coupled with increased humidity at 75%. For more specific information on December weather, check out Tiantaishan weather in December.
September in Tiantaishan provides a refreshing transition from the sweltering heat of summer to the more temperate fall conditions. The average temperature settles into a comfortable range, with warm days often punctuated by cooler evenings. While September witnesses a modest amount of rainfall, the humidity remains relatively high, creating a pleasant environment for outdoor activities. This month stands out with its unique blend of warmth and occasional showers, making it an ideal time for visitors to explore the natural beauty of the region. For a deeper dive into the area's weather patterns throughout the year, check out Tiantaishan Climate.