Last updated: August 21, 2025
In September, Changsha, China, experiences a vibrant transition towards autumn, with temperatures reaching a maximum of 35°C (96°F) during the day and a pleasant average of 24°C (75°F) overall. As the month unfolds, the city sees a minimum temperature of 16°C (61°F), providing a comfortable respite from the summer heat. However, this time of year is also marked by considerable precipitation, with 211 mm (8.3 in) of rain falling across 18 days, contributing to the region's characteristic 77% humidity. This blend of warm days and moist air creates a unique atmosphere, inviting both locals and visitors to enjoy the lush landscapes and cultural richness of Changsha.
In September, Changsha begins to embrace the transition from the sweltering summer heat to a milder autumn climate. With minimum temperatures around 16°C (61°F) and averages soaring to 24°C (75°F), it provides a welcome reprieve from the sweltering highs of August. Peak temperatures can still reach up to 35°C (96°F), offering a last taste of summer warmth. This gradual cooling trend from the oppressive heat of summer sets the stage for the more comfortable months ahead, making September an ideal time for outdoor activities and exploration in this vibrant city. As the pleasant weather takes hold, residents and visitors alike can enjoy the lush landscapes of Changsha while savoring the cultural richness that the season brings.
In September, Changsha experiences notable precipitation, with an average of 211 mm (8.3 in) spread over 18 days. This marks a slight decrease from the heavy rainfall of July, which recorded a peak of 265 mm (10.4 in), but remains relatively high compared to the lighter months that follow. The transition from summer to autumn is evident as September maintains significant rainfall, fostering a lush landscape. Interestingly, this month balances the intensity of the wet season, blending humidity with cooling temperatures, making it a lively precursor to the drier months ahead.
In Changsha, China, September marks a noticeable shift in humidity, dipping to 77% after a summer of elevated levels. Throughout the warmer months, from July to August, humidity remains quite high—hovering between 85% and 87%—creating a sultry atmosphere characteristic of the region. However, as autumn approaches, the humidity notably declines from its summer peak, hinting at a more comfortable climate as the year transitions. This trend continues into October, with humidity stabilizing at 81%. Despite this decrease, September still retains a moderate humidity level, reflecting the lingering warmth of summer while gradually paving the way for the crispness of fall.
In September, Changsha experiences an extreme UV Index of 11, mirroring the high levels seen in the peak summer months. With a burn time of just 10 minutes, it's essential for residents and visitors alike to take precautions against harmful sun exposure. This trend of elevated UV levels continues from the previous months, highlighting the need for effective sun safety measures as the summer heat lingers. As autumn approaches, there is a slight decrease anticipated in October, where the UV Index dips to 9, categorizing it as very high. For those planning outdoor activities, understanding these patterns is crucial. For more insights on UV exposure in Changsha, check out Changsha UV Index.
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As summer wanes, September in Changsha, China continues to bask in a generous 233 hours of sunshine, though it marks a noticeable dip from the sun-drenched August, which boasts an impressive 319 hours. This month acts as a gentle transition into autumn, where daylight hours gradually lessen, reflecting a seasonal shift that begins in earnest. The trend shows a steady climb towards the summer peak in July and August, with September maintaining a robust amount of sunlight that encourages outdoor activities and cultural festivities. Following the bright days of late summer, residents can expect cooler temperatures and a beautiful tapestry of changing leaves, making it an ideal time for exploration in this vibrant city.
September in Changsha, China, presents a promising 38% chance of sunny weather, making it one of the more favorable months for sunshine. As summer transitions into autumn, the likelihood of clear skies increases, contrasting with the notably lower probabilities of sun seen in the preceding months of April, May, and June, which hover around 15-19%. Interestingly, September's sunny outlook is slightly higher than the summer peaks in July and August, suggesting a welcoming shift in the weather as the season changes. This trend underscores September as an ideal time for outdoor activities, offering a tantalizing blend of summer warmth and the refreshing crispness of early autumn.
As summer fades in September, Changsha, China, experiences a gentle shift in daylight duration, with the sun providing 12 hours of light each day. This marks a transition from the longer, sun-kissed days of June, where daylight peaked at an idyllic 14 hours, to the cooler shadows of October with just 11 hours. The month captures the tail end of summer's warmth, making it an ideal time for outdoor activities as the golden hour lingers a little longer. Following a consistent pattern, the city witnesses a gradual decrease in daylight from the vibrant 13-hour days of July and August, hinting at the approach of autumn and shorter days ahead. This rhythmic ebb and flow of sunlight beautifully underscores the changing seasons in Changsha.
As September arrives in Changsha, China, a notable shift in the atmosphere can be felt through the gentle breezes that begin to dance through the air. With an average wind speed of 1.6 m/s (4 mph), September marks the transition to a slightly more invigorating climate, standing out from the preceding months that linger around 1.2 to 1.5 m/s (3 mph). This subtle increase hints at the changing seasons, inviting residents and visitors alike to enjoy outdoor activities amidst the pleasant winds. As the year progresses towards the cooler months of October and November, where winds slow down to 1.3 m/s (3 mph) and 1.0 m/s (2 mph) respectively, September serves as a delightful reminder of nature’s rhythmic fluctuations, awakening a sense of vitality in the typically humid summer setting of Changsha.
Weather in Changsha varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Changsha, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January in Changsha present a stark contrast in weather. In September, temperatures range from a mild 16°C (61°F) at night to a sweltering 35°C (96°F) during the day, with an average of 24°C (75°F). This month is also quite rainy, with a total precipitation of 211 mm (8.3 in) over 18 days and humidity levels peaking at 77%. In contrast, January is much cooler, with temperatures dipping to a minimum of -3°C (27°F) and peaking at 15°C (60°F), averaging around 7°C (45°F). The winter month is significantly drier, receiving only 42 mm (1.7 in) of rainfall over 8 days, and features slightly lower humidity at 72%. For a more detailed outlook on January's climate, you can check Changsha weather in January.
September and February present strikingly different weather conditions. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 35°C (96°F), with an average of 24°C (75°F). The month is marked by high humidity at 77% and significant rainfall, totaling 211 mm (8.3 in) over 18 days. In contrast, February experiences much cooler weather, with temperatures ranging from -1°C (30°F) to a maximum of 25°C (77°F), averaging 9°C (48°F). Precipitation is notably lower, at 62 mm (2.4 in) over just 9 days, and humidity remains similar at 76%. For more detailed insights on February weather, check out Changsha weather in February.
September and March present distinct weather patterns. September experiences higher temperatures with an average of 24°C (75°F) and a maximum of up to 35°C (96°F), while March offers cooler conditions, averaging 14°C (58°F) with a maximum of 30°C (87°F). In terms of precipitation, September sees considerably more rainfall with 211 mm (8.3 in) over 18 days compared to March's 118 mm (4.7 in) across 15 days. Humidity tends to be slightly higher in March at 87%, compared to September's 77%. For more detailed insights into March weather, you can check Changsha weather in March.
In September, the weather is generally warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (96°F), while April features cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 32°C (91°F). While September receives more rainfall at 211 mm (8.3 in) over 18 days, April experiences slightly less precipitation at 165 mm (6.5 in) across 14 days. Additionally, humidity levels are comparable, with September at 77% and April slightly higher at 82%. For more details on the weather in April, visit Changsha weather in April.
In comparing the weather of September and May, both months experience similar maximum temperatures, reaching as high as 35°C (96°F). However, September features a warmer average temperature of 24°C (75°F) compared to May’s average of 22°C (71°F). September also sees significantly more precipitation, with 211 mm (8.3 in) over 18 days, while May has 162 mm (6.4 in) over 16 days. Additionally, September's humidity level is slightly lower at 77% compared to May's 83%. For those interested in a more detailed look at May weather, you can check out Changsha weather in May.
In comparing the weather patterns of September and June, we see notable similarities and differences. Both months experience warm temperatures, with September averaging around 24°C (75°F) and June slightly warmer at 25°C (77°F). The maximum temperatures in June reach up to 36°C (97°F), just a degree higher than September's peak of 35°C (96°F). Precipitation levels are quite close, with September receiving 211 mm (8.3 in) over 18 days and June slightly higher at 214 mm (8.4 in) over 17 days. However, June tends to have higher humidity levels at 84%, compared to September's 77%. For more detailed insights on June's weather, you can visit Changsha weather in June.
In September, the temperatures are slightly milder compared to July, with minimums of 16°C (61°F) and maximums reaching 35°C (96°F), leading to an average of 24°C (75°F). However, September experiences significant rainfall, totaling 211 mm (8.3 in) over approximately 18 days, and humidity remains high at 77%. In contrast, July is hotter, with minimum temperatures of 20°C (68°F) and maximums soaring to 38°C (100°F), giving an average temperature of 28°C (82°F). July also sees more rain, with a total precipitation of 265 mm (10.4 in) over 20 days, and higher humidity at 87%. This combination makes July feel more intense and steamy. For more specific details on July conditions, visit Changsha weather in July.
In comparing the weather between September and August, September experiences slightly cooler temperatures, with minimums around 16°C (61°F) and an average of 24°C (75°F), while August sees higher averages, peaking at around 29°C (84°F) and maximums reaching up to 38°C (101°F). Furthermore, September is notably wetter, with 211 mm (8.3 in) of precipitation over 18 days, compared to August's 163 mm (6.4 in) across 14 days. Humidity remains high in both months, although it is slightly lower in September at 77% compared to 85% in August. For more detailed information, you can refer to Changsha weather in August.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 35°C (96°F), accompanied by high humidity levels of 77% and significant rainfall of 211 mm (8.3 in) over 18 days. In contrast, October experiences a cooler climate, with temperatures dropping to a minimum of 10°C (50°F) and averaging around 18°C (65°F), while still reaching a maximum of 34°C (93°F). Additionally, October sees less precipitation at 147 mm (5.8 in) over 15 days and a slight increase in humidity to 81%. For those interested in detailed weather forecasts, visit Changsha weather in October.
September weather is characterized by significantly warmer temperatures, with average highs reaching up to 35°C (96°F) and an overall average of 24°C (75°F). The month also sees considerable rainfall, totaling 211 mm (8.3 in) over 18 days, accompanied by a humidity level of 77%. In contrast, November brings a noticeable chill, with average temperatures dropping to 13°C (55°F) and a maximum of 24°C (76°F). Rainfall decreases to 71 mm (2.8 in) across just 10 days, and humidity rises to 86%. For more specific details, you can check the Changsha weather in November.
In September, the weather is significantly warmer, with average temperatures around 24°C (75°F) and a maximum of 35°C (96°F), making it feel quite summer-like. The month experiences considerable rainfall, totaling 211 mm (8.3 in) over about 18 days, and a humidity level of 77%. In contrast, December brings a much cooler climate, with average temperatures dropping to 8°C (47°F), and highs reaching only 17°C (63°F). This month sees substantially less precipitation at 35 mm (1.4 in) over 9 days, with humidity slightly higher at 81%. For more details, check out Changsha weather in December.
As September rolls into Changsha, the weather begins to shift from the intense heat of summer to a more moderate climate. Temperatures are still warm, often hovering around a pleasant average, but the peaks are less oppressive than in the height of summer. However, this transition also brings higher humidity and more frequent rainfall, with nearly half the month seeing precipitation. This blend of warmth and moisture creates a unique atmosphere, highlighting September as a month of change. For a deeper understanding of what to expect throughout the year, check out Changsha Climate.