Last updated: August 21, 2025
In September, Changzhou, China, experiences a dynamic and warm climate, with temperatures ranging from a minimum of 20°C (68°F) to a sweltering maximum of 38°C (101°F). The average temperature settles at a comfortable 28°C (83°F), making it an inviting time for outdoor activities. However, the month also brings about significant precipitation, totaling 120 mm (4.7 in) over the course of approximately 15 days, contributing to a humidity level of 72%. This mix of warmth, rain, and humidity shapes a vibrant atmosphere that characterizes the transition from summer to autumn in Changzhou.
In September, Changzhou experiences a transition towards autumn, with temperatures still holding onto the warmth of summer. The minimum temperature settles around 20°C (68°F), while daytime warmth allows for an average of 28°C (83°F) and peaks at a sultry 38°C (101°F). This month sees a slight dip in overall temperatures compared to the scorching heat of July and August, yet it retains a vibrant warmth that invites outdoor activities. As the humidity begins to decrease, September emerges as an ideal time for both residents and visitors to enjoy the city's lush parks and cultural attractions, marking a beautiful balance between lingering summer days and the cool embrace of approaching autumn.
In September, Changzhou experiences a notable shift in its precipitation patterns, with 120 mm (4.7 in) of rainfall spread over 15 days. This marks a decrease from the intense summer months, where July and August brought much heavier rainfall of 150 mm and 203 mm, respectively. As the city transitions from the peak of the monsoon season, the rainfall in September remains substantial but more manageable, setting the stage for the drier months ahead. This gradual tapering off from the intense summer downpours suggests a natural rhythm in the region's climate, paving the way for October's even drier conditions with only 82 mm (3.2 in) anticipated. The variation in precipitation highlights the distinct seasonal changes that define Changzhou’s weather throughout the year.
In Changzhou, China, September marks a notable shift in humidity levels, dropping to 72% from the peak summer months of July and August, where humidity soared to 87% and 88%, respectively. This decline indicates a transition towards the drier autumn months, as indicated by October's predicted 62% humidity. Throughout the year, humidity levels fluctuate considerably, with the late spring and summer months experiencing the highest moisture, peaking at the sweltering levels of 76% in both May and June. Meanwhile, early in the year, from January to April, the humidity remains relatively moderate, ranging from 59% to 65%. As September approaches, residents can expect a more comfortable climate, as the oppressive summer humidity gradually recedes, offering a refreshing reprieve before the cooler fall days ahead.
In September, Changzhou experiences a UV Index of 11, categorized as extreme with a burn time of only 10 minutes. This indicates a slight decrease from the peak summer months of July and August, which maintained a high UV Index of 13. Despite this reduction, September still demands careful sun protection, as exposure remains critical. Interestingly, the UV Index shows a gradual decline as the year progresses, from January's high of 7, peaking during the summer months. As autumn approaches, it's essential to stay informed about the changing UV levels to safeguard your skin. For more detailed information, visit Changzhou UV Index.
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As September unfolds in Changzhou, the city basks in a generous 285 hours of sunshine, continuing a trend of vibrant, sun-soaked months. This period marks a slight decline from the peak sunshine of 306 hours experienced in July but still maintains a robust luminosity, outshining earlier months of the year. The gradual transition from the intense summer sun is evident as the autumn breeze begins to whisper in, yet the warmth remains, making this month an ideal time for outdoor activities. Following a pattern of increasing sunshine hours peaking in the summer, September signifies a seamless blend of summer's lingering warmth and the promising approach of autumn, ensuring an inviting atmosphere for residents and visitors alike.
In Changzhou, China, September marks a notable shift in the weather, with a 51% chance of sunny days. This increase is particularly significant compared to the preceding months of summer, which see lower sunlight probabilities—July offers just 30%, while August dips to 19%. Interestingly, September's sunny weather likelihood parallels that of January and exceeds the percentages in the spring and early summer months, showcasing a trend where the transition to autumn brings a refreshing balance of clearer skies. Looking ahead, October and November maintain decent chances of sunshine at 42% and 52%, respectively, indicating that this favorable weather pattern is likely to persist as the season unfolds.
As September arrives in Changzhou, China, the city enjoys approximately 12 hours of daylight, maintaining the balanced trend seen in the preceding months of April, May, and August. This period marks a gentle transition from the longer days of summer, which peak in June and July, each offering a maximum of 13 hours. Following September, daylight gradually begins to recede, dipping to 11 hours in October and further down to 10 hours by November and December. This cyclical rhythm not only highlights the shifting seasons but also invites residents and visitors alike to savor the lingering warmth of early autumn before the shorter days of winter set in.
As September unfolds in Changzhou, China, the delicate touch of autumn begins to replace the warmth of summer, bringing a noticeable decrease in average wind speed to 1.4 m/s (3 mph). This gentle breeze signifies a transition; compared to the breezier months of earlier in the year, particularly the gusts of October that follow, September offers a moment of calm. The trends from previous months reveal a gradual decline in wind speeds, peaking in the spring and dipping into the late summer, setting the stage for the refreshing gusts of fall. With nature's rhythm shifting, September’s tranquil winds invite residents and visitors alike to enjoy the subtle beauty of the changing season.
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 exhibit starkly contrasting weather patterns. In September, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 38°C (101°F), with an average of 28°C (83°F). The month also sees significant rainfall, totaling 120 mm (4.7 in) over 15 days, accompanied by a high humidity level of 72%. In contrast, January is much cooler, with temperatures ranging from a chilly 2°C (35°F) to a milder maximum of 28°C (82°F) and an average of 14°C (58°F). Rainfall decreases to just 38 mm (1.5 in) across 7 days, and the humidity drops to 59%. This stark difference highlights how September is characterized by warmth and moisture, while January is marked by cooler temperatures and less precipitation. For more detailed information, you can check Changzhou weather in January.
September and February present contrasting weather patterns, showcasing the transition from the heat of summer to the cooler winter months. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 38°C (101°F), with an average of 28°C (83°F), accompanied by higher humidity levels at 72%. The month sees significant rainfall, totaling 120 mm (4.7 in) over approximately 15 days. In stark contrast, February experiences much cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 29°C (85°F), resulting in an average temperature of 15°C (59°F). While it remains relatively wet with 100 mm (4.0 in) of precipitation over 11 days, the humidity is lower at 64%. For more detailed insights, check out Changzhou weather in February.
In September, temperatures tend to be warmer, with a minimum of 20°C (68°F) and an average of 28°C (83°F), reaching a maximum of 38°C (101°F). The humidity is relatively high at 72%, and the month experiences about 120 mm (4.7 in) of precipitation over approximately 15 days. In contrast, March brings cooler temperatures, with a minimum of 8°C (46°F) and an average of 19°C (67°F), peaking at 31°C (88°F). The month is wetter, receiving about 177 mm (7.0 in) of rainfall over roughly 20 days, but with slightly lower humidity at 65%. For more detailed information about March weather, visit Changzhou weather in March.
When comparing the weather in September and April, notable differences emerge in both temperature and precipitation patterns. September boasts a warmer climate, with average temperatures reaching 28°C (83°F) and a maximum of 38°C (101°F), making it significantly hotter than April, which has an average of 22°C (72°F) and a peak of 32°C (89°F). Additionally, September experiences higher humidity at 72%, compared to April's 62%. In terms of rainfall, April is wetter, receiving 194 mm (7.6 in) of precipitation over 18 days, while September sees 120 mm (4.7 in) over 15 days. For more detailed insights on April weather, check out Changzhou weather in April.
Comparing the weather in September and May reveals some notable differences. In September, temperatures range from a minimum of 20°C (68°F) to a maximum of 38°C (101°F), with an average of 28°C (83°F). This month also sees about 120 mm (4.7 in) of precipitation over approximately 15 days, coupled with a humidity level of 72%. In contrast, May experiences slightly cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 35°C (96°F), averaging 26°C (79°F). However, it’s wetter, receiving 202 mm (7.9 in) of rain across 21 days and higher humidity at 76%. For more detailed information about the weather in May, you can check this link: Changzhou weather in May.
In comparing the weather of September and June, we see some notable differences. September tends to feature slightly lower temperatures, with a minimum of 20°C (68°F) and a maximum of 38°C (101°F), while June starts off a bit warmer with a minimum of 21°C (70°F) and a cooler maximum of 35°C (96°F). However, June experiences significantly more precipitation, with 264 mm (10.4 in) spread over 23 days compared to September's 120 mm (4.7 in) across 15 days. Additionally, humidity levels are slightly higher in June at 76%, compared to 72% in September. For more detailed insights, you can refer to the Changzhou weather in June.
In comparing the weather conditions between September and July, we see some notable differences. September tends to have slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 28°C (83°F), while July's temperatures are generally warmer, featuring a minimum of 24°C (75°F) and an average of 29°C (85°F). July also records a slightly higher maximum temperature, reaching up to 39°C (103°F) compared to September's peak of 38°C (101°F).
Precipitation is another aspect to consider; September has 120 mm (4.7 in) of rainfall over approximately 15 days, which is less than July's 150 mm (5.9 in) spread across 19 days. Additionally, humidity is higher in July at 87%, compared to 72% in September. For an in-depth view of July's weather specifics, you can visit Changzhou weather in July.
In comparing the weather of September and August, September tends to be slightly cooler with an average temperature of 28°C (83°F), compared to August's average of 29°C (84°F). While September experiences a maximum temperature of 38°C (101°F), it is still more bearable than August's peak of 36°C (98°F). Despite September being slightly drier with 120 mm (4.7 in) of precipitation over 15 days, it still sees a notable amount of rain. In contrast, August is wetter, receiving 203 mm (8.0 in) over 22 days, along with higher humidity levels at 88%, compared to September's 72%. For a more detailed view of August weather, check out Changzhou weather in August.
September showcases warmer weather compared to October, with average temperatures peaking at 28°C (83°F) and maximums reaching as high as 38°C (101°F). The month experiences substantial rainfall, totaling 120 mm (4.7 in) over 15 days, along with a higher humidity level of 72%. In contrast, October sees cooler temperatures, with average highs of 24°C (75°F) and a notable drop in minimum temperatures to 13°C (56°F). Precipitation decreases to 82 mm (3.2 in) over 9 days, and humidity reduces to 62%. For a more detailed look at October weather, you can visit Changzhou weather in October.
September is characterized by warm temperatures, with daily averages hovering around 28°C (83°F) and highs that can reach up to 38°C (101°F). The humidity is relatively high at 72%, and the month experiences significant rainfall, totaling about 120 mm (4.7 in) across 15 days. In contrast, November brings a noticeable drop in temperatures, with averages around 20°C (68°F) and a maximum of 31°C (89°F). The month is drier, receiving only 38 mm (1.5 in) of precipitation over just 7 days, along with a decrease in humidity to 62%. For more detailed information, you can check out Changzhou weather in November.
In September, the weather is notably warm, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 38°C (101°F) and an average of 28°C (83°F). This month also experiences significant rainfall, totaling 120 mm (4.7 in) across about 15 days, contributing to a relatively high humidity level of 72%. In contrast, December brings a much cooler climate, with temperatures dropping to a minimum of 4°C (39°F), averaging around 15°C (59°F), and peaking at 28°C (83°F). Rainfall is considerably less in December, with only 32 mm (1.3 in) over about 6 days, and humidity levels decrease slightly to 66%. For more detailed information, you can check out Changzhou weather in December.
September in Changzhou marks a transition from the sweltering summer heat to more temperate conditions, making it a unique month in the region’s climate. With an average temperature of 28°C (83°F), it offers a relatively comfortable respite compared to the peak months of July and August. However, the lingering humidity at 72% and frequent rain—occurring on about half the days of the month—can make the air feel heavy. As the city experiences an average precipitation of 120 mm (4.7 in), September provides a refreshing, albeit wet, end to summer, setting the stage for the cooler fall months ahead. For more insights on what to expect, don’t miss Changzhou Climate.