Last updated: August 21, 2025
September in Changsha, China brings a mix of warmth and moisture, as the city experiences average temperatures around 28°C (82°F), peaking at a sweltering 35°C (95°F). The balmy weather comes with the challenge of humidity, hovering around a sticky 75%, making it feel even hotter. Residents and visitors can expect significant rainfall, with precipitation amounts reaching 214 mm (8.4 in) over 23 days. Embrace the lush greenery and vibrant atmosphere, but be prepared for occasional downpours that punctuate the late-summer days.
In September, Changsha experiences a delightful transition as summer gently fades into autumn. The minimum temperature settles at a comfortable 20°C (68°F), allowing for pleasant evenings, while the average temperature rises to a warm 28°C (82°F), making it ideal for outdoor activities. Visitors can expect sunny days with highs peaking at 35°C (95°F), reminiscent of the sweltering summer months. However, this month marks a slight dip from the extreme heat of August, providing a more temperate climate that invites exploration of the city's rich culture and natural beauty. Overall, September offers a refreshing blend of warmth and comfort, perfect for enjoying the vibrant atmosphere of Changsha.
In September, Changsha experiences a significant precipitation drop compared to the previous months, with 214 mm (8.4 in) of rain falling over 23 days. While this marks a continuation of the wet season, it’s a notable decrease from the record highs of August. The abundant rainfall in late summer transitions into slightly less frequent, yet still substantial, showers, suggesting the onset of autumn. This pattern reflects a gradual shift in weather, as the city moves from the peak precipitation of summer towards the more moderate conditions of October, which averages only 146 mm. Overall, September encapsulates the lingering humidity of summer while hinting at the drier days ahead.
In September, Changsha experiences a notable shift in humidity, with levels averaging around 75%. This drop follows the peak summer months of July and August, where humidity soars to a steamy 88%. The trend reveals a gradual transition towards drier conditions as the city moves into autumn. It’s interesting to note that as the year progresses from May’s high of 79% to September’s moderate levels, the humidity tends to fluctuate significantly, with the crispness of fall on the horizon promising relief from the stifling summer air. Overall, September serves as a pivotal month, showcasing a blend of lingering warmth while hinting at the refreshing changes to come in October.
As September rolls into Changsha, China, the UV Index remains notable at 11, categorizing it as extreme with a burn time of just 10 minutes. While still fierce, this marks a slight decline from the peak months of May through August, which consistently reached an index of 13. The overall trend throughout the year shows a pattern of escalating UV exposure, peaking in late spring and summer before slightly tapering off in the cooler months. It's essential for residents and visitors alike to stay vigilant about sun protection during this time. For more detailed insights, you can check the complete data at Changsha UV Index.
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As summer fades into autumn, September in Changsha, China shines with an impressive 280 hours of sunshine, continuing the trend of abundant sunlight that peaks in the sweltering month of July at 307 hours. While September's sunlight is slightly less than the preceding summer months, it still outperforms the earlier part of the year, showcasing a vibrant transition into fall. The days are gradually shortening, yet they remain bright and inviting, just before the sun dips to 271 hours in October. This consistent sunlit streak highlights Changsha's warmth and allure, making it a delightful time for both locals and visitors to bask in the golden glow before the chill of winter sets in.
In Changsha, China, September offers a moderate 37% chance of sunny weather, making it one of the more favorable months for sunshine compared to the peak summer months, where the likelihood plummets to as low as 10% in June and 14% in August. Following a trend of increasing sunny days, September hints at a transition towards a brighter fall, particularly after the challenging summer. This improvement continues into October, with a slight dip to 34%, before the sun-drenched days return in November, jumping back to 62%. As the seasons shift, September stands out as a period of renewed opportunity for sunshine, bridging the grim summer skies with the clarity of autumn.
As September rolls into Changsha, daylight duration remains a pleasant 12 hours, mirroring the sunshine that graced the city in April and August. This month marks the transition from the longer, sun-drenched days of summer, where daylight peaked at 13 hours in May, June, and July. Following September, daylight gradually shortens, dipping to 11 hours in both October and November. The rhythm of daylight in Changsha showcases a harmonious cycle, with summer's abundance giving way to the cozy embrace of autumn as the year winds down.
In September, the gentle breezes of Changsha begin to ebb, with an average wind speed of just 1.5 m/s (3 mph), marking it as one of the calmest months of the year. This decline in wind intensity follows the summery rhythm of August, where winds were slightly stronger at 1.8 m/s (4 mph). As the year transitions towards October, the winds pick up again, growing to 3.4 m/s (8 mph), suggesting that while September may be tranquil, it also heralds the return of invigorating gusts in the coming months. This noticeable dip in wind activity during early autumn not only enhances the serene atmosphere of the city but also signals a shift in the seasonal landscape 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 present stark contrasts in weather patterns. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), with an average of 28°C (82°F). This month is characterized by high humidity at 75% and significant rainfall, totaling 214 mm (8.4 in) across 23 days. In contrast, January experiences much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 28°C (82°F), averaging around 16°C (61°F). Precipitation drops dramatically to 22 mm (0.9 in) over just 3 days, and humidity decreases to 64%. For a more detailed look at January weather, you can visit Changsha weather in January.
September and February showcase strikingly different weather patterns. In September, temperatures often range from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), with an average of 28°C (82°F). The month is characterized by significant precipitation, totaling 214 mm (8.4 in) over 23 days, and humidity levels hovering around 75%. In contrast, February presents a much cooler scenario, with temperatures dipping to a minimum of 4°C (40°F) and averaging 16°C (62°F), peaking at 29°C (84°F). Additionally, precipitation decreases to 55 mm (2.2 in) over just 8 days, and humidity is slightly lower at 68%. For more details on the weather during this month, you can check Changsha weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), with an average of 28°C (82°F). The month is notably humid, averaging 75% humidity, and experiences significant rainfall of 214 mm (8.4 in) over 23 days. In contrast, March offers much cooler temperatures, with a minimum of 9°C (48°F), an average of 21°C (69°F), and a maximum of 32°C (89°F). The precipitation is considerably lower at 85 mm (3.4 in) spread over 15 days, while humidity remains slightly lower at 73%. For those interested in more details about March weather, please visit Changsha weather in March.
September and April exhibit distinct weather patterns, with September being notably warmer and wetter. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), accompanied by high humidity at 75%. This month sees considerable rainfall, averaging 214 mm (8.4 in) over 23 days. In contrast, April features milder temperatures, with a minimum of 11°C (52°F) and a maximum of 32°C (90°F), and a lower precipitation total of 118 mm (4.7 in) spread over 15 days. The humidity in April is also slightly lower at 71%. For a detailed look at April weather in Changsha, you can visit Changsha weather in April.
The weather in September is characterized by slightly higher temperatures compared to May, with average temperatures reaching 28°C (82°F) and maximums soaring to 35°C (95°F). In contrast, May experiences a lower average temperature of 26°C (80°F), although it can also peak at 35°C (96°F). Both months see significant precipitation, but September is the wetter month, receiving 214 mm (8.4 in) of rain over 23 days, while May records 192 mm (7.6 in) over 20 days. Humidity levels in September average around 75%, slightly lower than May's 79%. For more detailed information on May weather, check out Changsha weather in May.
When comparing the weather in June and September, we notice some interesting similarities and differences. Both months experience warm temperatures, with average highs reaching 35°C (95°F). However, June tends to be slightly cooler in the early mornings, starting at a minimum of 23°C (74°F), compared to September's minimum of 20°C (68°F). Precipitation is notably higher in June, with a total of 287 mm (11.3 in) over 22 days, while September sees 214 mm (8.4 in) across 23 days. Humidity levels are also similar, with September at 75% and June slightly higher at 77%. For more detailed information about June weather, you can check out Changsha weather in June.
When comparing the weather in September and July, September tends to be slightly cooler with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), while July sees a higher range, with minimums starting at 24°C (76°F) and maximums reaching up to 37°C (98°F). Both months experience considerable precipitation, with September receiving 214 mm (8.4 in) over 23 days and July slightly higher at 219 mm (8.6 in) over 22 days. Humidity levels are also notable, with September at 75% and July peaking at 88%, contributing to the sweltering heat of summer. For more details on July's weather, you can refer to Changsha weather in July.
In comparing the weather between August and September, September tends to be slightly cooler, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), while August experiences higher temperatures, with a minimum of 24°C (75°F) and a peak of 38°C (100°F). Humidity levels are also lower in September at 75%, compared to August's more humid conditions at 88%. Additionally, September sees less precipitation overall, with 214 mm (8.4 in) falling over 23 days, compared to August's 319 mm (12.6 in) over 25 days. For a more detailed look at the weather in August, please visit Changsha weather in August.
In September, the weather tends to be warmer and more humid, with average temperatures around 28°C (82°F) and a high of 35°C (95°F). The month experiences significant rainfall, totaling 214 mm (8.4 in) over approximately 23 days, resulting in a humidity level of 75%. In contrast, October brings a noticeable shift, with average temperatures dropping to 24°C (76°F) and a minimum of 15°C (60°F). Rainfall decreases to 146 mm (5.7 in) over just 10 days, and humidity levels fall to 65%, creating a more comfortable environment. For more detailed information, visit Changsha weather in October.
September and November present contrasting weather conditions. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 35°C (95°F), with an average of 28°C (82°F). The month is also marked by high humidity at 75% and significant rainfall, averaging 214 mm (8.4 in) over 23 days. In contrast, November sees cooler temperatures, with minimums dipping to 12°C (54°F) and maximums reaching 30°C (87°F), averaging around 21°C (70°F). Rainfall is much lighter, totaling only 24 mm (0.9 in) over just 5 days, and humidity decreases to 64%. For a more detailed look at the weather patterns, check out Changsha weather in November.
September and December present stark contrasts in weather patterns. September is characterized by warm temperatures, with a minimum of 20°C (68°F) and maximums soaring to 35°C (95°F), alongside significant rainfall totaling 214 mm (8.4 in) over an average of 23 days. The humidity is relatively high at 75%, contributing to a muggy atmosphere. In contrast, December experiences much cooler weather, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 28°C (83°F), along with significantly lower precipitation at just 16 mm (0.6 in) over only three days. The humidity also decreases to 69%, making December feel much drier overall. For more detailed information, you can check out Changsha weather in December.
As September unfolds in Changsha, the weather begins to transition from the sweltering heat of summer, offering a more moderate climate with gentle shifts in temperature. Though the month can still feel quite warm, it contrasts sharply with the peak heat of July and August, providing a welcome relief for residents and visitors alike. However, the month is also characterized by significant rainfall, with nearly every day experiencing bouts of precipitation, making it one of the wettest months of the year. This combination of warm temperatures and rising humidity creates a humid subtropical atmosphere, setting the stage for a transition into the milder autumn months ahead. For a more detailed look at Changsha's climate patterns, check out Changsha Climate.