Last updated: August 21, 2025
In Jiujianfang, China, September brings a delightful blend of warmth and freshness, with maximum temperatures reaching a balmy 29°C (85°F) and an average of 16°C (61°F). As the month transitions, the weather can occasionally dip to a cool 1°C (34°F), making for varied daily experiences. Rainfall is notable, with 115 mm (4.5 in) spread over approximately 10 days, contributing to the region's lush landscape. The humidity remains high at 84%, adding to the richness of September's atmosphere—perfect for those who appreciate the vibrant interplay of warmth and moisture.
In September, Jiujianfang begins to transition from the warmth of summer to the crispness of autumn. With temperatures ranging from a minimum of 1°C (34°F) to a comfortable average of 16°C (61°F), the region offers a delightful reprieve from the intense heat of the preceding months. This month typically sees a maximum temperature of 29°C (85°F), making it an ideal time for outdoor activities before the chill sets in. As the days grow shorter, the temperature drops notably compared to the peak summer months, signaling the approach of colder weather. This gentle decline in warmth is a precursor to the notable cold temperatures that follow in October and November, effectively marking the end of a warmer season in Jiujianfang.
In Jiujianfang, China, September marks a notable shift in the precipitation pattern as it receives 115 mm (4.5 in) of rainfall over 10 days. This amount reflects a significant decrease from the heavy rains of August, which saw 238 mm (9.4 in) during 21 days of rainfall. While the wet season continues, September's totals indicate a transition towards drier conditions as the year progresses. As summer yields to autumn, September's rainfall is more moderate, yet it still contributes to the overall moisture accumulation that supports the region's lush landscapes. This month's precipitation level serves as a reminder of the dynamic weather patterns that define Jiujianfang, bridging the high summer rains and the drier months ahead.
As summer transitions into autumn, September in Jiujianfang, China brings a notable shift in humidity levels. With a relative humidity of 84%, this month remains quite humid, though slightly lower than the peak experienced in July and August. Notably, the humidity has been on a general downward trend from the sweltering summer months, where it reached an impressive high of 88% in August. This gradual decline, however, does not mean an end to the mugginess, as September still feels distinctly moist compared to the drier winter months ahead. The lingering humidity serves as a reminder of the area's subtropical climate, making it a unique period ripe for exploring the lush, vibrant landscapes that thrive under such conditions.
In September, Jiujianfang experiences a UV Index of 7, which falls into the high exposure category. This marks a slight decrease from the peak summer months of July and August when the index reached 10, prompting very high caution for sun exposure. As the season transitions into fall, the burn time extends to 25 minutes, offering more opportunity for safe outdoor activities compared to the intense 15-minute window of the preceding months. Despite the dip in UV intensity, it's essential to remain vigilant, as the risk of sunburn is still significant. For more detailed insights on UV levels throughout the year, visit Jiujianfang UV Index.
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September in Jiujianfang, China, brings a gentle transition as the warm embrace of summer begins to wane. With 279 hours of sunshine, it’s a month that still basks in the lingering light of summer, albeit with a noticeable dip compared to the sun-drenched peaks of July. This decline reflects a broader trend as the region shifts from its sunniest heights—334 hours in July—to the cooler, shorter days of autumn. Following September, October continues the pattern with 261 hours of sunshine, hinting at the approaching seasonal changes. Overall, while September retains a vibrant hue of sunshine, it clearly signals the onset of autumn as daylight hours start to contract, painting a picturesque backdrop for those exploring Jiujianfang’s charms.
In Jiujianfang, China, the likelihood of sunny weather in September presents a slight uptick, with a 32% chance of sunshine. This modest probability is part of a broader trend revealing a gradual decline in sunny days throughout the summer months, peaking in late spring and early summer but dropping significantly in July and August. As September arrives, the weather begins to transition towards the more promising conditions of autumn, with the chance of sun increasing again in October, where it rises to 56%. Overall, while September is not the sunniest month, it hints at a return to brighter days just around the corner, making it a transitional period in Jiujianfang's weather cycle.
As the days transition from summer to autumn in Jiujianfang, September brings a moderate 12 hours of daylight, marking a gentle decline from the longer days of summer. This reduction signals the gradual shift in seasons, following a peak of 15 hours in June. The sunlight begins to wane steadily, with October further dropping to 11 hours. Observing this trend, we see a consistent pattern of increasing daylight in the spring months, peaking in mid-summer, before surrendering to the shorter days of winter. This rhythmic cycle of daylight hours not only shapes the local environment but also subtly influences the pace of life in this charming corner of China.
As September sweeps into Jiujianfang, the gentle caress of the breeze becomes noticeably softer, with an average wind speed of just 1.9 m/s (4 mph). This marks a continuation of the seasonal decline in wind intensity that began earlier in the summer months, peaking in the cooler spring and autumn. June and July brought the year's calmest winds, dwindling to a serene whisper in September. However, as the month transitions to October, expect a subtle revival as winds pick up again to 2.5 m/s (6 mph). This pattern underscores a cyclical rhythm throughout the year, where the wind dances more energetically in the spring and autumn, while the summer months offer a tranquil stillness, providing a perfect backdrop for the beauty of Jiujianfang's vibrant landscapes.
Weather in Jiujianfang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jiujianfang, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is notably milder, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 29°C (85°F), averaging around 16°C (61°F). This month also experiences significant precipitation, totaling 115 mm (4.5 in) over approximately 10 days, along with high humidity at 84%. In contrast, January presents a harsh winter climate characterized by much colder temperatures, with a minimum of -38°C (-36°F) and a maximum of just 3°C (37°F), averaging -15°C (6°F). Precipitation is minimal during this month at only 10 mm (0.4 in) over about 2 days, and the humidity is lower at 78%. For more detailed insights on January conditions, visit Jiujianfang weather in January.
September and February present strikingly contrasting weather patterns. In September, temperatures swing from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, with an average of 16°C (61°F). The month also sees considerable precipitation, totaling 115 mm (4.5 in) with rainfall occurring on about 10 days, accompanied by high humidity levels at 84%. In stark contrast, February experiences frigid temperatures, ranging from a bitterly cold -31°C (-24°F) to a maximum of just 10°C (51°F), averaging -11°C (13°F). Precipitation is minimal in February, with only 17 mm (0.7 in) over about 4 days, and the humidity is lower at 72%. For more detailed insights, you can explore Jiujianfang weather in February.
September and March showcase starkly contrasting weather patterns. In September, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, with an average of 16°C (61°F). The month is relatively humid with an average humidity of 84%, and it experiences around 115 mm (4.5 in) of precipitation over approximately 10 days. In contrast, March presents a much colder landscape, with temperatures dipping to a frigid -25°C (-12°F) at night and peaking at 21°C (71°F) during the day, averaging around 0°C (32°F). The precipitation is minimal at just 28 mm (1.1 in) and falls over about 5 days, coupled with a lower humidity of 65%. For more detailed information, check Jiujianfang weather in March.
In comparing the weather between September and April, September generally boasts warmer temperatures, with an average of 16°C (61°F) and highs reaching up to 29°C (85°F). In contrast, April has a cooler average temperature of 8°C (47°F) and experiences minimum temperatures dipping to -6°C (21°F). Additionally, September sees significantly more precipitation, with 115 mm (4.5 in) over approximately 10 days, while April has a much drier climate, receiving only 45 mm (1.8 in) with rain on 7 days. Humidity levels are also noticeably higher in September at 84%, compared to April's cleaner and crisper air with 63% humidity. For more details on April weather, you can check Jiujianfang weather in April.
September and May offer distinct weather experiences, reflecting the transition from summer to autumn. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 29°C (85°F), with an average of 16°C (61°F) and higher humidity levels at 84%. This month also sees more precipitation, averaging 115 mm (4.5 in) over about 10 days. In contrast, May boasts slightly warmer temperatures with a minimum of 0°C (32°F) and a maximum of 34°C (93°F), although the average is similar at 15°C (59°F). The humidity in May is lower at 70%, and it experiences less rainfall, averaging 86 mm (3.4 in) over 12 days. For a closer look at May weather, check this link: Jiujianfang weather in May.
When comparing the weather in September and June, a noticeable difference in temperatures can be observed. September experiences a wider temperature range, with a minimum of 1°C (34°F) and a maximum of 29°C (85°F), while June maintains milder temperatures, ranging from a minimum of 6°C (42°F) to a maximum of 33°C (92°F). Additionally, September tends to be more humid, with humidity levels averaging 84% compared to June's 80%. Precipitation is slightly higher in June, totaling 139 mm (5.5 in) over 17 days, while September sees 115 mm (4.5 in) over 10 days. For a more detailed look at the weather conditions, you can visit Jiujianfang weather in June.
In comparing the weather between September and July, September experiences a broader temperature range, with minimums dropping to 1°C (34°F) and maximums reaching 29°C (85°F), while July boasts a warmer climate, ranging from a minimum of 11°C (53°F) to a maximum of 36°C (96°F). July also sees more precipitation, accumulating 148 mm (5.8 in) over 15 days, compared to September's 115 mm (4.5 in) over 10 days. Humidity levels are nearly similar, with September at 84% and July slightly higher at 87%. For more details on July's weather patterns, you can visit Jiujianfang weather in July.
The weather in September tends to be milder compared to August, with average temperatures dropping from 22°C (72°F) to 16°C (61°F). While September experiences cooler minimum temperatures of 1°C (34°F), August sees a warmer minimum of 5°C (41°F) and can reach highs of up to 37°C (99°F). Additionally, September receives less precipitation at 115 mm (4.5 in) over 10 days, while August has significantly more rainfall at 238 mm (9.4 in) spread over 21 days. Humidity levels remain high in both months, with September sitting at 84% and August slightly higher at 88%. For a detailed look at August weather specifics, visit Jiujianfang weather in August.
September's weather is characterized by a warm average temperature of 16°C (61°F) and maximum highs reaching 29°C (85°F), while nights can cool down to a minimum of 1°C (34°F). The month sees considerable rainfall, with 115 mm (4.5 in) over about 10 days and a high humidity level of 84%. In contrast, October brings a distinct drop in temperatures, featuring a much colder average of 7°C (45°F), with minimum lows plummeting to -6°C (21°F) and maximums peaking at 28°C (83°F). This month also experiences less precipitation, totaling 55 mm (2.2 in) over 8 days, while maintaining the same consistent humidity of 84%. For more specific information about October weather conditions, you can view the details here: Jiujianfang weather in October.
In September, the weather exhibits a warmth that can be quite pleasant, with average temperatures around 16°C (61°F) and highs reaching up to 29°C (85°F). However, this month also sees considerable rainfall, with 115 mm (4.5 in) of precipitation over approximately 10 days, coupled with high humidity at 84%.
In stark contrast, November brings a significant drop in temperatures, with averages around -2°C (29°F) and lows plummeting to -18°C (-1°F), making it a much colder month. Precipitation decreases to 44 mm (1.7 in) over 8 days, and humidity also drops to 69%. For a detailed look at November weather, you can visit Jiujianfang weather in November.
In September, the weather is significantly warmer and more humid, with average temperatures ranging from 1°C (34°F) at night to a maximum of 29°C (85°F) during the day. This month also sees considerable rainfall, averaging 115 mm (4.5 inches) over about 10 days. In contrast, December ushers in much colder conditions, where temperatures can plummet to a minimum of -27°C (-17°F) and barely reach a maximum of 6°C (43°F). Additionally, precipitation decreases dramatically to just 13 mm (0.5 inches) over 3 days, and humidity levels drop to 65%. For those interested in more specific details about the climate during this month, visit Jiujianfang weather in December.
As September unfolds in Jiujianfang, the weather serves as a gentle bridge between the lingering warmth of summer and the crispness of autumn. With a maximum temperature that still reaches pleasant highs but an average that hints at cooler days ahead, this month presents a unique blend of warmth and refreshment. While rainfall may be more frequent than in the summer months, bringing the total precipitation to a notable level, the humidity remains elevated, wrapping the landscape in a soft veil. This transition not only colors the environment but also offers a vibrant tapestry for outdoor activities, making September a particularly enchanting time to experience Jiujianfang. To explore more about the climate here, visit Jiujianfang Climate.