Last updated: August 21, 2025
September in Changsa, China, offers a warm and humid climate, with maximum temperatures reaching up to 32°C (89°F) and an average of 28°C (83°F). Visitors can expect a lush ambiance as humidity levels hover around 82%. However, don't forget your umbrella; the month sees about 184 mm (7.2 in) of rainfall spread across 20 days. This combination of heat and moisture creates a vibrant landscape, making September a lively yet wet experience in Changsa.
In Changsha, China, September signifies a transition into the cooler months, yet the warmth of summer lingers. With minimum temperatures around 25°C (78°F) and daily highs reaching 32°C (89°F), the weather remains comfortably warm, ideal for outdoor activities. The average temperature of 28°C (83°F) invites visitors to enjoy the vibrant cultural scene before the fall sets in. As the month progresses, you might notice a gradual dip in temperatures, setting the stage for October's cooler embrace. This blend of warmth and the promise of autumn makes September a delightful time to experience the city.
In September, Changsa experiences a significant amount of rainfall, with 184 mm (7.2 in) recorded over approximately 20 days of precipitation. This marks a slight decrease from the peak of August—which saw a staggering 242 mm (9.5 in)—yet it remains among the higher totals for the year. The month continues the trend of increasing precipitation that typically begins in the late spring, peaking in late summer before gradually tapering off into autumn. This robust rainfall not only nourishes the verdant landscapes surrounding the city but also sets the stage for the upcoming October, which typically records the highest monthly precipitation at 258 mm (10.1 in). Overall, September serves as a transitional phase, keeping the rhythm of moisture alive in Changsa's climate while heralding the wetter days of fall.
In September, Changsha, China experiences a noticeable shift in humidity, with levels reaching 82%. This marks a slight decrease from the peak summer months of July and August, when humidity soared to 87% and 86% respectively. The transition from summer to autumn sees humidity gradually decline, following a consistent trend of increasing moisture from the start of the year, where humidity was at 74% in January. As the year progresses toward October, a gradual stabilization at around 81% indicates a comfortable shift, hinting that while the sweltering humidity of summer recedes, the climate remains pleasantly humid in early autumn.
In September, the UV Index in Changsa, China hovers at a notable 13, categorized as extreme with a burn time of just 10 minutes. This month maintains the high intensity of summer, reminiscent of the preceding months, where the UV Index reached peaks of 13-14 from May to August. As temperatures begin to slightly dip, you can still expect potent sun exposure, highlighting the importance of protective measures against harmful rays. This trend of elevated UV levels demonstrates the necessity for vigilance year-round, making it crucial to stay informed. For further details on UV exposure in Changsa, explore Changsa UV Index.
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As September unfolds in Changsha, the city basks in 301 hours of sunshine, marking a wonderful transition from the summery peak of July and August. This month joins the ranks of warmer months, boasting abundant sunlight, crucial for the bustling activities and outdoor adventures that characterize this time of year. Notably, September retains a strong brightness while hinting at the gentle retreat of summer, which is reflected in a gradual downturn from the sunniest months earlier in the season. As the days grow shorter and cooler towards October's 285 hours, residents and visitors relish this vibrant balance of warmth and light before autumn’s embrace takes hold, celebrating a season of change and beauty.
When considering the likelihood of sunny weather in September in Changsha, China, one finds it to be a bit of a gamble, with a 40% chance of sunshine. This figure shows a slight decrease compared to the previous months, as the summer months of June, July, and August experience significantly lower sunshine likelihood, plunging to 16%, 34%, and 22% respectively. However, September does represent a gradual rebound from the summer slump, as it transitions comfortably into autumn. Notably, the increase in sunny chances continues when comparing September to the following months, where October drops to 23%. As such, while September isn't the sunniest month, it offers a reasonable opportunity for clear skies, making it a favorable time for outdoor activities before the chill of autumn sets in.
In Changsha, China, September marks a transition as daylight begins to subtly wane, offering around 12 hours of sunlight. This follows the peak of summer, where the city enjoys 13 hours of daylight from June to August. As autumn approaches, the daylight duration starts to mirror the earlier months of the year, hinting at a gradual shift toward shorter days. The consistent daylight patterns illustrate a rhythmic cycle, with winter nearing as the sun dips to 11 hours in October, and then further down to 10 hours by December. The continuity in daylight hours, fluctuating gently from season to season, encapsulates the changing rhythms of life in Changsha, providing both predictability and charm as the seasons turn.
As September arrives in Changsa, China, it brings a gentle breeze with an average wind speed of 3.7 m/s (8 mph), marking a notable dip compared to the preceding summer months. This subtle shift reflects a gradual transition from the warmer, breezier heights of June and May, where winds peaked around 5.3 m/s (12 mph) and 5.6 m/s (13 mph). The tranquility of September serves as a prelude to the autumn months, which see an upswing in wind speeds, notably with October's brisk average of 7.5 m/s (17 mph). This pattern suggests an invigorating change as the region moves towards winter, offering a captivating dance of seasonal dynamics in the air.
Weather in Changsa varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Changsa, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present quite different weather patterns. In September, temperatures soar with a minimum of 25°C (78°F) and an average high of 32°C (89°F), accompanied by high humidity at 82%. This month also sees significant rainfall, totaling 184 mm (7.2 in) over approximately 20 days, creating a tropical atmosphere. In contrast, January experiences cooler temperatures, with a minimum of 12°C (54°F) and an average of 20°C (69°F), making it much more comfortable. Precipitation drops drastically to 39 mm (1.5 in) over just 10 days, and humidity also decreases to 74%. For more specific details, you can check the climate information here: Changsa weather in January.
September and February present contrasting weather patterns. In September, temperatures are notably warm, ranging from a minimum of 25°C (78°F) to a maximum of 32°C (89°F), with an average of 28°C (83°F). However, this warmth is accompanied by high humidity at 82% and frequent rainfall, totaling 184 mm (7.2 in) over 20 days. In contrast, February brings cooler temperatures, with a minimum of 13°C (55°F) and a maximum of 27°C (81°F), averaging 21°C (69°F). The month experiences significantly less precipitation, only 42 mm (1.7 in) over 10 days, and a more comfortable humidity level of 75%. For a closer look at typical weather conditions during February, you can visit Changsa weather in February.
In September, the weather is warmer with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (89°F), coupled with high humidity levels of 82%. This month also sees substantial rainfall, with 184 mm (7.2 in) of precipitation over 20 days, creating a humid and often overcast atmosphere. In contrast, March enjoys a cooler climate, with temperatures ranging from 17°C (63°F) to a maximum of 29°C (84°F) and generally lower humidity at 78%. Additionally, March experiences significantly less rainfall, totaling just 35 mm (1.4 in) over 9 days. For more detailed information, visit Changsa weather in March.
September and April exhibit noticeable differences in weather patterns. September tends to be warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (89°F), compared to April's milder range of 18°C (64°F) to 30°C (87°F). Additionally, September experiences significantly more rainfall, with 184 mm (7.2 in) over 20 days, while April sees only 103 mm (4.0 in) across 12 days. Humidity levels are fairly similar, hovering around 82% in September and 80% in April, contributing to the overall muggy feel typical of late summer. For more details on April's weather, check out Changsa weather in April.
In comparing the weather of September and May, both months feature similar average temperatures, hovering around 28°C (83°F). However, September tends to be warmer at night with a minimum of 25°C (78°F) compared to May's 22°C (71°F). While both months experience high humidity levels—82% in September and 81% in May—September is notably wetter, with 184 mm (7.2 in) of rainfall over 20 days, as opposed to May's 106 mm (4.2 in) over 15 days. For a more detailed look at May's weather, you can visit Changsa weather in May.
In September, temperatures range from a minimum of 25°C (78°F) to a maximum of 32°C (89°F), with an average of 28°C (83°F). The month experiences significant rainfall, totaling 184 mm (7.2 in) over 20 days, and exhibits a high humidity level of 82%. In contrast, June features slightly warmer temperatures, with a minimum of 26°C (79°F) and a maximum of 33°C (92°F), averaging 29°C (85°F). June sees less precipitation, with 137 mm (5.4 in) spread over 15 days, alongside a slightly lower humidity of 81%. For more detailed information, check out Changsa weather in June.
In comparing the weather between September and July, we can see some similarities and notable differences. September experiences slightly lower temperatures, with a minimum of 25°C (78°F) and an average of 28°C (83°F), while July's temperatures begin at a minimum of 26°C (79°F) and average at 29°C (84°F). Both months are marked by high humidity, but July is slightly more humid at 87% compared to September's 82%. Precipitation is more frequent in September, with 184 mm (7.2 in) over 20 days, compared to July's 169 mm (6.7 in) over 17 days. Overall, while both months are warm and humid, September tends to be wetter with slightly cooler temperatures. For more details, check Changsa weather in July.
In comparing the weather between September and August, September experiences slightly cooler temperatures, with a minimum of 25°C (78°F) and a maximum of 32°C (89°F), while August sees a minimum of 26°C (79°F) and a maximum of 33°C (91°F). The average temperature in September is 28°C (83°F), compared to August's 29°C (84°F). Interestingly, September is marked by higher precipitation levels at 184 mm (7.2 in) over 20 days, while August has a total of 242 mm (9.5 in) of rain spread over 22 days. Humidity is also high in both months, with September at 82% and August at 86%. For a more detailed look at the August weather, check out Changsa weather in August.
September and October showcase a subtle transition in weather patterns. September boasts slightly warmer temperatures, with average highs reaching 32°C (89°F), while October sees a slight dip in the average high to 31°C (88°F) and a lower minimum temperature of 21°C (71°F). Both months are characterized by significant humidity, with September slightly higher at 82% compared to October’s 81%. Precipitation increases in October, with 258 mm (10.1 in) over 19 days, making it wetter than September, which experiences 184 mm (7.2 in) across 20 days. For a detailed look at what to expect, check out Changsa weather in October.
In September, temperatures are generally warmer, with a minimum of 25°C (78°F) and reaching up to 32°C (89°F), while November sees cooler averages, ranging from a minimum of 20°C (68°F) to a maximum of 28°C (82°F). Additionally, September is marked by higher precipitation, totaling 184 mm (7.2 in) over 20 days, compared to November's more manageable 62 mm (2.4 in) spread across 12 days. Humidity remains relatively consistent, slightly higher in September at 82% compared to November's 80%. For a more detailed overview of weather conditions, check out Changsa weather in November.
In September, the weather is notably warmer and more humid, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 32°C (89°F). This month experiences significant rainfall, totaling 184 mm (7.2 in) across approximately 20 days, creating a muggy atmosphere with a humidity level of 82%. In contrast, December brings cooler temperatures, with a minimum of 15°C (60°F), averaging 21°C (71°F), and a maximum of 26°C (80°F). The precipitation in December is much lower, at 64 mm (2.5 in), spread out over 13 days, resulting in lower humidity levels at 79%. For more detailed information, you can visit Changsa weather in December.
September in Changsa marks a transitional phase, blending the warmth of summer with the onset of autumn. While temperatures remain pleasantly warm with average highs reaching around 28°C (83°F), the month is notably characterized by increased humidity and precipitation, with rain showering the city for about 20 days. This contrasts sharply with the drier and hotter conditions of July and August, offering a refreshing respite yet necessitating an umbrella on hand. As the month unfolds, you'll experience the vibrant beauty of the changing season, making it an intriguing time to visit. For a deeper understanding of the overall climate patterns, be sure to explore Changsa Climate.