Last updated: August 21, 2025
September in Changsha, China showcases a vibrant transition into autumn, with temperatures reaching a maximum of 39°C (103°F) and an average of 27°C (81°F). The month experiences a substantial shift towards cooler evenings, where temperatures can dip to a minimum of 17°C (62°F). Visitors should prepare for a moderate level of rainfall, with a total precipitation of 82 mm (3.2 in) spread across approximately 12 days, contributing to the city's lush surroundings. With a humidity level around 61%, the air can feel quite muggy, making it essential to stay hydrated and seek cooler spaces during the hotter parts of the day. Overall, September offers a unique blend of warmth and moisture, perfect for exploring the rich culture and natural beauty of Changsha.
In September, Changsha experiences a transitional shift, with temperatures starting to moderate as summer gradually gives way to autumn. The average temperature hovers around 27°C (81°F), making it quite pleasant for outdoor activities. The minimum temperature rises to 17°C (62°F), while the **maximum can still reach a sweltering 39°C (103°F), reflecting the lingering summer heat. This month marks a noticeable dip from the scorching highs of August, though the warmth remains, allowing visitors to enjoy the vibrant city amidst comfortable evenings. With cooler mornings and warm afternoons, September offers an ideal climate to explore Changsha's rich culture and stunning landscapes before the cooler months set in.
In September, Changsha experiences a notable shift in precipitation, with 82 mm (3.2 in) of rainfall spread across approximately 12 days. This is a decrease from the summer months, where June recorded the highest rainfall at 267 mm (10.5 in), but it still maintains a consistent rhythm in the year’s overall precipitation pattern. Following the heavy downpours of May and June, September serves as a transitional month, providing a breath of relief before the drier autumn arrives in October, which typically sees just 40 mm (1.6 in) of rain. This decline in precipitation not only marks a reduction in rainfall but also suggests a gradual shift toward clearer skies and cooler temperatures as the month progresses.
In September, Changsha experiences a noticeable dip in humidity, registering at 61%—the lowest level since early in the year. This decline comes after a humid summer, where levels peaked in July at 87%. As the season shifts, the city transitions from the sweltering haze of summer (with August holding at 84%) to a more comfortable atmosphere, making outdoor activities increasingly enjoyable. This reduction in humidity signals the onset of autumn, setting the stage for the crisp and refreshing conditions that characterize the months ahead. Overall, September serves as a bridge between the oppressive heat of summer and the more temperate climate that follows, reflecting a dynamic interplay of seasonal changes in Changsha's weather.
In September, Changsha experiences a notable UV Index of 11, categorizing it as extreme with a burn time of just 10 minutes. This trend follows the intense summer months of July and August, where the UV Index peaked at 13, indicating a consistent period of high solar exposure. The month of September signals a slight dip from the peak levels seen earlier in the summer, yet still requires vigilance to protect against sunburn. As we transition into the fall, the UV Index begins to gradually decline, dropping further in October to 10, but for now, sun seekers should be proactive about their sun safety. For more detailed information, visit Changsha UV Index.
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September in Changsha, China, is a delightful transition into autumn, boasting 280 hours of sunshine. This month features a substantial amount of sunlight, continuing the trend set by the sun-drenched summer months of July and August, which each topped 300 hours. As the seasons shift, September retains a hearty dose of sunshine while gradually winding down from the peak summer enjoyment. This bright, warm atmosphere is a fitting farewell to summer's exuberance, leading into a more temperate October, which settles back to 229 hours of sunlight. The gradual decrease in daylight hours is mirrored in the earlier months, with spring months like April and May showcasing increasing light, culminating in the summer's sun-soaked splendor. Overall, September captures the essence of lingering summer warmth, striking a harmonious balance before the cooler breezes of fall begin to sweep through Changsha.
September in Changsha, China, enjoys a notable revival in sunny conditions, with a 62% chance of clear skies. This month stands out as one of the more favorable times for sunshine, especially when compared to the drizzly summer months of June and July, which plummet to 14% and 32% respectively. Interestingly, September's likelihood of sun aligns more closely with the brighter winter months, such as January at 67% and November at 44%. As summer wanes, the city emerges from the clouds, making September an ideal time to soak up the sun before the cooler autumn weather sets in. Whether you're planning outdoor activities or just eager to bask in the warmth, September in Changsha offers a refreshing escape from the rain.
As September unfolds in Changsha, China, residents enjoy a comfortable 12 hours of daylight, marking a seamless transition from the sun-soaked summer months of June, July, and August, which each boasted the year's longest days. This month stands out as a time of balance, where daylight begins to taper off in preparation for the shorter days of fall. The gradual decline in daylight from a peak of 13 hours in the summer hints at the encroaching autumn, while the consistency of 12 hours in both September and the preceding months suggests a stable rhythm in nature. As daylight hours continue to decrease leading into October, the lush landscapes of Changsha slowly begin to don their autumn attire, inviting residents to savor the warmth and vibrant hues of early fall.
As summer fades into autumn, September in Changsha brings a noticeable shift in wind patterns. With an average wind speed of only 1.5 m/s (3 mph), this month marks the calmest period of the year, a stark contrast to the breezy summer months that feature speeds around 2.1 m/s (5 mph). By late summer, the winds slow down, creating a serene atmosphere perfect for enjoying the lingering warmth. This gentle breeze hints at the transition into the crisper, cooler October days ahead, where wind speeds again pick up to 2.4 m/s (5 mph). Thus, September serves as a tranquil interlude, inviting residents and visitors alike to bask in the mellow embrace of Changsha's early autumn charm.
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 present contrasting weather patterns. In September, temperatures fluctuate between a minimum of 17°C (62°F) and a scorching maximum of 39°C (103°F), with an average of 27°C (81°F). This month sees a significant amount of rainfall, totaling 82 mm (3.2 in) over approximately 12 days, accompanied by a humidity level of 61%. In stark contrast, January experiences much cooler temperatures, ranging from a chilly -3°C (26°F) to a pleasant maximum of 25°C (78°F), with an average of 10°C (51°F). Rainfall is less frequent, amounting to only 48 mm (1.9 in) over about 6 days, and humidity rises slightly to 66%. For more specific details about January weather, check out Changsha weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a mild 17°C (62°F) at night to a scorching high of 39°C (103°F), with an average of 27°C (81°F). The month experiences about 82 mm (3.2 in) of rain over 12 days, accompanied by a humidity level of 61%. In contrast, February sees much cooler temperatures, with a minimum of -3°C (26°F) and an average of 12°C (53°F), peaking at 28°C (83°F). While February receives a slightly higher total precipitation of 90 mm (3.6 in) over just 9 days, the humidity rises to 70%. For more details on the weather in February, you can check Changsha weather in February.
September and March present stark contrasts in weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 39°C (103°F), with an average of 27°C (81°F). The month sees about 82 mm (3.2 in) of precipitation over 12 days, accompanied by a humidity level of 61%. In comparison, March experiences cooler weather, with temperatures dipping to a minimum of 4°C (39°F) and peaking at 31°C (88°F), with an average of 17°C (62°F). This month is significantly wetter, delivering 157 mm (6.2 in) of rain across 17 days and a higher humidity level of 77%. For detailed insights into March, you can check Changsha weather in March.
In comparing the weather of September and April, we see notable differences in temperature and precipitation patterns. September tends to be warmer, with average temperatures reaching up to 27°C (81°F), and highs soaring to 39°C (103°F), whereas April maintains milder temperatures, averaging 20°C (68°F) with maximums of 32°C (91°F). However, April is significantly wetter, receiving 171 mm (6.7 in) of rainfall over 16 days, compared to September's 82 mm (3.2 in) over 12 days. Additionally, April experiences higher humidity, averaging at 76%, in contrast to September's 61%. For more details on April weather, you can check Changsha weather in April.
September and May exhibit notable differences in weather patterns, with September typically bringing warmer temperatures and lower humidity. In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 39°C (103°F), with an average of 27°C (81°F) and a humidity of 61%. Conversely, May presents milder weather, with temperatures fluctuating between 12°C (54°F) and 36°C (97°F), averaging at 24°C (76°F). The month of May also sees significantly higher precipitation, totaling 207 mm (8.2 in) over 17 days, compared to September's 82 mm (3.2 in) across 12 days. This results in May being not only wetter but also more humid, with a humidity level of 85%. For more detailed information on May weather, visit Changsha weather in May.
When comparing the weather in September and June, both months feature similar average temperatures of around 27°C (81°F), but the overall conditions differ significantly. June generally starts with slightly warmer minimum temperatures of 18°C (65°F) and has a lower maximum temperature of 36°C (96°F), compared to September's range of 17°C (62°F) to 39°C (103°F). Additionally, June experiences much heavier rainfall, with total precipitation of 267 mm (10.5 in) over 18 days, while September sees only 82 mm (3.2 in) across 12 days. Moreover, humidity levels are noticeably higher in June at 80%, compared to September's 61%. For more details on June's climatic conditions, you can refer to Changsha weather in June.
September and July exhibit similarities and differences in their weather patterns. Both months experience high maximum temperatures, peaking at 39°C (103°F), but September tends to have slightly cooler average temperatures, with an average of 27°C (81°F) compared to July’s warmer average of 29°C (85°F).
In terms of precipitation, September sees a total of 82 mm (3.2 in) across 12 days, while July has a marginally lower total of 78 mm (3.1 in) over 11 days, indicating a similar level of rainfall. However, July's higher humidity at 87% makes it feel more oppressive, contrasting with September's lower humidity of 61%. For a detailed look at July weather, you can visit Changsha weather in July.
In comparing the weather between September and August, September experiences a noticeable drop in minimum temperatures, averaging 17°C compared to August's warmer minimum of 22°C. While September's maximum temperature can reach up to 39°C, August slightly edges it out with a peak of 40°C. Additionally, September sees less precipitation at 82 mm over 12 days, whereas August has a higher total of 121 mm spread across 16 days, contributing to its increased humidity level of 84% versus September's 61%. For a more detailed look at the weather in August, you can visit Changsha weather in August.
September and October exhibit notable differences in weather patterns. September tends to be warmer, with minimum temperatures around 17°C (62°F) and average highs reaching up to 39°C (103°F). In contrast, October experiences cooler conditions, with minimum temperatures dropping to 10°C (50°F) and average highs peaking at 37°C (98°F). Additionally, September has a higher rainfall total of 82 mm (3.2 in) over 12 days, while October sees a reduction in precipitation to 40 mm (1.6 in) over just 8 days. Humidity levels remain relatively consistent, slightly increasing from 61% in September to 62% in October, but the overall feel of the weather is notably different. For more detailed insights, you can check Changsha weather in October.
September and November showcase a striking contrast in weather patterns. In September, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 39°C (103°F), with an average of 27°C (81°F). This month experiences significant precipitation of 82 mm (3.2 in) over 12 days, and humidity levels hover around 61%. In contrast, November brings cooler temperatures, featuring a minimum of 4°C (39°F), an average of 17°C (62°F), and a maximum of 32°C (89°F). With 59 mm (2.3 in) of precipitation spread over just 7 days and slightly higher humidity at 67%, November marks a transition to much more temperate conditions. For more detailed information about November weather, you can check this link: Changsha weather in November.
In September, Changsha experiences warm temperatures with a minimum of 17°C (62°F) and an average high reaching 39°C (103°F), making it a notably hot month. With 82 mm (3.2 in) of precipitation spread over 12 days and humidity at 61%, the weather can feel quite muggy. In contrast, December offers a much cooler climate, where temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 27°C (81°F) with an average of 11°C (52°F). Precipitation drops significantly to 34 mm (1.3 in) over just 6 days, while humidity increases to 74%. For more detailed insights, check out Changsha weather in December.
As September unfolds in Changsha, residents and visitors experience a notable transition from the intense heat of summer to a milder climate. While temperatures can still reach a sizzling 39°C (103°F), the average dives to a more comfortable 27°C (81°F), providing a refreshing reprieve. With 82 mm of rainfall spread across 12 days, September introduces a hint of moisture to the air, resulting in an average humidity of 61% that feels noticeably different from the drier months preceding it. This blend of warmth and occasional rain creates a unique atmosphere, ideal for exploring the vibrant streets of Changsha. For more insights into how these seasonal changes shape the local climate, check out Changsha Climate.