Last updated: August 21, 2025
September in Changzhou, China brings a warm and humid atmosphere, with maximum temperatures soaring up to 35°C (95°F) and an average of 25°C (77°F). As summer transitions to autumn, the region experiences minimum temperatures around 15°C (59°F), providing a comfortable evening respite. With an average precipitation of 106 mm (4.2 in) spread over approximately 11 rainy days, residents enjoy a blend of sunny days and refreshing showers. Humidity levels peak at 75%, enhancing the warm climate and creating an immersive experience typical of this vibrant city.
September in Changzhou, China, marks a delightful transition from the sweltering summer months to the more temperate autumn. With minimum temperatures averaging 15°C (59°F) and highs reaching up to 35°C (95°F), the month strikes a lovely balance for residents and visitors alike. The average temperature settles around 25°C (77°F), creating an inviting climate for outdoor activities and exploration. As the intense heat of July and August wanes, September’s weather offers a refreshing reprieve, encouraging a vibrant atmosphere in the city. This shift not only impacts daily life but also heralds the onset of seasonal changes, paving the way for cooler October days ahead.
In September, Changzhou experiences a notable transition in its precipitation patterns, with 106 mm (4.2 in) of rain over 11 days. This month's rainfall reflects a decline from the heavy downpours of July, which recorded a peak of 277 mm, while still surpassing the drier months of October and November. The rainfall in September is a blend of lingering summer humidity and the onset of autumn, contributing to a moderate yet consistent wetness that nurtures the city's verdant landscapes. With this amount of rain, September sets the stage for the cooler months ahead, illustrating the gradual shift in seasons while maintaining a balance between lush greenery and the fading warmth of summer.
In September, Changzhou experiences a noticeable dip in humidity, dropping to 75% from the sweltering highs of 90% in July and 88% in August. This decline signifies a transition into the milder autumn season, offering a breath of fresh air as the intense summer humidity begins to wane. The humidity levels in September suggest a more comfortable atmosphere, though they remain significantly higher than the dryer winter months ahead, highlighting the city’s humid subtropical climate. As we analyze the broader trend, it becomes evident that September sets the stage for a gradual shift toward more comfortable weather, paving the way for pleasant October days that follow.
In September, Changzhou experiences a UV Index of 10, categorized as very high, which reflects a notable trend in the region's increasing sun exposure as the summer months draw to a close. This sustained elevation means that residents and visitors should be cautious, with a burn time of just 15 minutes under direct sunlight—similar to that of the peak summer months, July and August, which recorded UV Index levels at 11. As the year progresses into October, the UV Index begins to decline, dropping to 7, indicating a shift towards safer sun exposure. For those planning outdoor activities in September, it remains crucial to be sun-smart and protect your skin. To learn more about the UV Index trends in Changzhou, visit Changzhou UV Index.
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September in Changzhou, China, shines brightly with 256 hours of sunshine, maintaining a balance between the peak summer and the onset of autumn. This month reflects a gradual decline from the sweltering 300 hours of August, yet it remains significantly higher than the winter months like January, which sees only 157 hours. The steady increase in daylight from January through May peaks in August, indicating a successful transition into the sun-kissed days of fall. September's abundant sunshine not only marks the end of summer but also invites residents and visitors alike to savor the warm days before the cooler months set in. As autumn approaches, the lingering rays provide a perfect backdrop for outdoor activities and scenic explorations.
As September arrives in Changzhou, China, it brings a notable shift in the weather patterns, with a 49% chance of sunny days—one of the higher probabilities for the year. Following the summer months, which record a decline in sunshine, September stands out as a transition point. The likelihood of sun continues to improve from August's 33%, setting the stage for a pleasant autumn. This increase hints at a refreshing change and suggests that outdoor activities can be enjoyed more freely as the weather becomes increasingly favorable. The month of September, with its balmy conditions, invites both locals and visitors to savor the outdoors before the cooler months set in.
As summer fades into autumn, September in Changzhou, China offers a gentle transition in daylight, averaging 12 hours of sunlight. This marks a slight decline from the long, luminous days of June and July, which bask in a generous 14 hours of light, setting the scene for outdoor activities and vibrant summer life. The steady decrease in daylight continues into the fall months, as October and November bring 11 and 10 hours, respectively. This pattern showcases a smooth gradient of daylight that mirrors the changing seasons, reminding residents and visitors alike that while the days may shorten, the beauty of Changzhou remains a constant presence throughout the year.
In September, Changzhou experiences a gentle breeze, with an average wind speed of 3.1 m/s (7 mph), mirroring the calmness of January and October. This transition into autumn brings a subtle shift, as September’s winds provide a refreshing respite following the more blustery months of July, when speeds peak at 3.9 m/s (9 mph). Notably, the summer months, particularly August, show a dip to 2.6 m/s (6 mph), indicating a lighter, more static airflow. As the year progresses, the overall tendency is one of modest fluctuations, with most months lingering around the 3 m/s mark, making September a harmonious blend of tranquil winds—perfect for enjoying the beauty of autumn in the city.
Weather in Changzhou varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Changzhou, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 35°C (95°F), with an average of 25°C (77°F). The month experiences significant rainfall, totaling 106 mm (4.2 in) over approximately 11 days, alongside high humidity levels of 75%. Conversely, January is much cooler, with temperatures plummeting to a minimum of -9°C (16°F) and averaging around 5°C (41°F), peaking at 18°C (65°F). Precipitation is less frequent, with only 55 mm (2.2 in) spread over about 7 days and a lower humidity of 70%. For a deeper look at January conditions, check out Changzhou weather in January.
September and February present stark contrasts in weather. In September, temperatures range from a minimum of 15°C (59°F) to a scorching maximum of 35°C (95°F), with an average of 25°C (77°F). This month sees about 106 mm (4.2 in) of precipitation over 11 days, accompanied by high humidity levels of around 75%. In contrast, February experiences much colder conditions, with temperatures dropping as low as -6°C (21°F) and peaking at 25°C (78°F), averaging only 6°C (44°F). The month brings a milder 56 mm (2.2 in) of rain across 9 days, along with slightly lower humidity at 73%. For a more detailed look at February's weather, check out Changzhou weather in February.
September and March present contrasting weather patterns, highlighting the transition between late summer and early spring. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 35°C (95°F), with an average of 25°C (77°F). This month experiences significant rainfall, totaling 106 mm (4.2 in) across 11 days, coupled with a humidity level of 75%. In contrast, March is much cooler, starting with temperatures that dip to -1°C (31°F) at night and reach a maximum of 28°C (83°F) during the day, averaging around 12°C (54°F). It sees less precipitation at 69 mm (2.7 in) over 10 days, although humidity is slightly higher at 82%. For more detailed information on March weather, you can visit Changzhou weather in March.
September and April present contrasting weather patterns. In September, temperatures are warmer, ranging from a minimum of 15°C to a maximum of 35°C, with an average of 25°C. The month experiences higher humidity at 75% and slightly more precipitation, totaling 106 mm over 11 days. Conversely, April is cooler, with temperatures ranging from 5°C to 32°C and an average of 17°C. It also sees lower rainfall at 70 mm over 9 days, accompanied by a higher humidity level of 86%. For a detailed look at April weather specifics, you can check Changzhou weather in April.
In September, the weather exhibits a warm average temperature of 25°C (77°F) with minimums around 15°C (59°F) and maximums reaching up to 35°C (95°F). This month is characterized by a relatively high humidity level of 75% and about 106 mm (4.2 in) of precipitation spread over 11 days. In contrast, May showcases slightly cooler average temperatures at 22°C (72°F), with minimums of 10°C (50°F) and peaks at 37°C (98°F). Despite its lower number of rainy days at just 9, May experiences a higher precipitation total of 124 mm (4.9 in) and a greater humidity level of 85%. For more details about the weather in May, visit Changzhou weather in May.
In comparing September and June weather, both months feature similar average temperatures around 25°C (77°F), but there are notable differences in extremes and precipitation. In June, temperatures can reach up to 37°C (99°F), making it the hotter month, while September's maximum is slightly lower at 35°C (95°F). Precipitation also differs significantly; June experiences 173 mm (6.8 in) of rainfall compared to September's 106 mm (4.2 in), with both months having rainfall on about 11 days. Additionally, June tends to be more humid at 85%, compared to September's 75%. For a detailed look at June weather, visit Changzhou weather in June.
In comparing the weather of September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (95°F), while July features warmer conditions, with minimums of 20°C (68°F) and maximums reaching up to 40°C (104°F). Although September averages a temperature of 25°C (77°F) and experiences 106 mm (4.2 in) of precipitation over 11 days, July is significantly wetter, with 277 mm (10.9 in) of rain over 17 days and higher humidity levels at 90%. For more information on July weather specifics, you can explore Changzhou weather in July.
In comparison to August, September experiences a notable drop in average temperatures, with minimums of 15°C (59°F) and maximums reaching up to 35°C (95°F), compared to August's warmer range of 21°C (70°F) to 37°C (99°F). While September has slightly less humidity at 75%, it also sees reduced precipitation levels, with 106 mm (4.2 in) over 11 rainy days, compared to August's 146 mm (5.8 in) over 14 days. This shift marks September as a more comfortable month overall, particularly for those looking to escape the intense summer heat. For more details, you can check Changzhou weather in August.
In September, the weather tends to be warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 35°C (95°F) and an average of 25°C (77°F). This month also sees higher precipitation levels, with 106 mm (4.2 in) falling over 11 days, and humidity remaining fairly high at 75%. In contrast, October marks a noticeable drop in temperatures, with a minimum of 7°C (44°F), an average of 19°C (66°F), and a maximum of 32°C (90°F). Additionally, October experiences significantly less rainfall, totaling 50 mm (1.9 in) over just 6 days, while humidity rises slightly to 76%. For more detailed information, you can check Changzhou weather in October.
September and November showcase a notable contrast in weather. September boasts warmer temperatures, with a minimum of 15°C (59°F) and an average of 25°C (77°F), peaking at 35°C (95°F), while humidity hovers around 75%. This month experiences significant rainfall, totaling 106 mm (4.2 in) over 11 days. In stark contrast, November sees much cooler conditions, featuring a minimum of 1°C (34°F) and an average of 13°C (56°F), with a maximum of 28°C (82°F). Precipitation significantly drops to 38 mm (1.5 in) over just 5 days, coupled with a higher humidity level of 84%. For more details, you can check Changzhou weather in November.
September weather is generally much warmer and more humid compared to December. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 35°C (95°F), creating an average of 25°C (77°F). The month also experiences significant rainfall, with 106 mm (4.2 in) over approximately 11 days. In contrast, December brings colder temperatures, with a range from -6°C (21°F) to 20°C (68°F) and an average of just 7°C (44°F). Precipitation is much lower in December at 39 mm (1.5 in) over about 6 days, while humidity remains fairly high at 77%. For more detailed information, you can check Changzhou weather in December.
As September unfolds in Changzhou, the weather shows a distinct transition from the sultry summer months to a more temperate atmosphere. With average temperatures settling around 25°C, the sweltering heat of July and August starts to ease, providing a welcome respite. Although the humidity remains high at 75%, the increased precipitation—averaging 106 mm over about 11 days—nourishes the landscape, enhancing its natural beauty. This month's unique blend of warmth and moisture creates a vibrant yet comfortable environment, making it an ideal time for outdoor activities. For a deeper understanding of how this month compares to the rest of the year, check out Changzhou Climate.