September Weather in Changcheng, China

Last updated: August 21, 2025

September in Changcheng, China offers a delightful transition from summer to autumn, with temperatures reaching a maximum of 32°C (91°F) and an average of 23°C (73°F). The evenings can cool down to a brisk 11°C (51°F), making it a perfect time for light layering. Expect around 75 mm (2.9 in) of rain spread over 7 days throughout the month, adding a touch of freshness to the landscape. Humidity levels hover at a comfortable 65%, creating an inviting atmosphere for outdoor activities. Enjoy the vibrant colors of early autumn while savoring the mild yet varied weather.

September Temperature in Changcheng

As September unfolds in Changcheng, China, it ushers in a pleasant transition from the summer heat to more comfortable autumn temperatures. With nighttime lows averaging 11°C (51°F) and daytime highs reaching around 32°C (91°F), the month showcases a sweet spot of warmth, perfectly encapsulated by an average temperature of 23°C (73°F). This month stands out as a welcome relief following the intense summer heat, as it marks a shift where long, sunny days remain but with a milder touch. The overall climate during September invites outdoor activities, making it an ideal time for both locals and visitors to enjoy the stunning scenery before the cooler months set in.

September Weather in Changcheng: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Changcheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changcheng, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec323648576875808073594936
Data source: Temperature data for Changcheng generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Changcheng

September in Changcheng, China, marks a transition as summer's intense rainfall begins to ease. With precipitation reaching 75 mm (2.9 in) over 7 days, the month showcases a significant drop from the torrential peak of 202 mm (8.0 in) in July and 168 mm (6.6 in) in August. This shift reflects the gradual decrease in monsoonal activity as the region heads into autumn. Interestingly, despite the lower total rainfall compared to the previous summer months, September's steady precipitation contributes to maintaining the lush landscapes, signaling a smooth transition into the drier months ahead. As the year progresses, this pattern of decreasing rainfall emphasizes the strong seasonal contrasts that define Changcheng's climate.

September Precipitation Trends in Changcheng

The chart displays monthly precipitation patterns in Changcheng, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Changcheng, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15182534527520216875242412
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Changcheng

September in Changcheng, China, marks a noticeable shift in humidity levels as the summer months gracefully transition into autumn. With an average humidity of 65%, September exhibits a decline from the sweltering heights of 84% in July and 81% in August. This dip suggests a welcome relief, as the oppressive summer heat begins to wane, making the weather more pleasant. The month stands out for its balance, nestled between the high humidity of summer and the impending increase in moisture during November, which typically sees levels rising again to 81%. Overall, September serves as a bridge, inviting cooler days while maintaining a hint of summer's lingering warmth.

September Average Humidity in Changcheng

This chart illustrates the average monthly humidity levels in Changcheng, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Changcheng is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%60%70%78%74%74%84%81%65%72%81%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Changcheng

As September unfolds in Changcheng, China, the UV Index remains a notable 8, categorized as very high, which means sun protection is essential. This trend mirrors the previous months of July and August, where extreme and very high UV levels prevailed. Although there is a slight decrease from July's peak of 11, September's burn time holds steady at just 15 minutes, reinforcing the importance of safeguarding your skin during midday hours. It's clear that as summer transitions into autumn, the sun's intensity remains formidable. To stay informed and plan accordingly, check out the latest updates on the Changcheng UV Index.

Maximum UV Index Levels in Changcheng for September

The chart shows the monthly maximum UV Index (UVI) for Changcheng in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Changcheng typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357891011108753
Data source: Changcheng September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Changcheng

As summer gracefully bows out, September in Changcheng, China, continues to bask in generous sunshine, accumulating 277 hours of radiant light. Although it marks a slight decline from the brilliant heights of the previous months, such as July with an impressive 317 hours, it still offers a warm embrace as autumn approaches. The trend shows that while the long, sun-drenched days of summer gradually fade, September maintains a robust sunlight presence, hinting at the region's delightful transition from vibrant summer energy to the more subdued hues of autumn. This moderation in daylight is conducive to enjoying outdoor activities, making it a perfect time to savor the changing seasons.

Monthly Sunshine Duration in Changcheng: September Highlighted

The September sunshine duration represents the total number of hours Changcheng experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec202h241h284h286h316h308h317h301h277h253h236h240h
Data source: Changcheng September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changcheng During September

In Changcheng, China, September offers a promising chance of sunny weather, with about 42% likelihood of clear skies. While this isn't the sunniest month on the calendar, it shows a gradual improvement from the damp conditions seen in the peak summer months of June and July, where the chances dipped to 39% and 27% respectively. As the year transitions into fall, September's weather tends to be mild, gradually reclaiming some of the sunniness that characterizes the later months of the year, such as November and December, which boast 64% and 70% sunshine likelihoods. Overall, September in Changcheng finds a delicate balance between lingering summer warmth and the crispness of autumn, making it a month of transitional beauty.

Percentage of Sunny Days in September in Changcheng

The chart illustrates the percentage of sunny days in Changcheng throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Changcheng experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%59%44%40%47%39%27%40%42%44%64%70%
Data source: Changcheng September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changcheng in September

In Changcheng, China, September marks a subtle transition as daylight begins to wane from the sun-soaked days of summer, averaging 12 hours of daylight. This month reflects a gradual decrease from the peak of 14 hours experienced in June, July, and August, heralding the approach of autumn. The shift in daylight hours indicates a moving rhythm of the seasons, with each month guiding us through the year’s cycle. As the days shorten and the golden hues of fall begin to emerge, September serves as a gentle reminder of nature's ebb and flow, inviting a season of reflection and change. The progression from 14 hours in summer to 12 underscores the pull towards cooler days, beckoning a cozy embrace of autumn's arrival.

Average Daylight Hours in Changcheng for September

The chart illustrates the variation in daylight duration in Changcheng throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 59m10h 51m11h 58m13h 6m14h 4m14h 33m14h 18m13h 28m12h 22m11h 14m10h 15m9h 44m
Data source: Changcheng daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Changcheng

In September, the wind in Changcheng, China, gently returns to a moderate 3.1 m/s (7 mph), a speed reminiscent of the spring months. This shift marks a slight recovery from the languid breezes of August, where winds dipped to an average of 2.2 m/s (5 mph)—the lowest of the year. As summer transitions into autumn, the September winds offer a refreshing reminder of the blustery days ahead, maintaining a consistent average similar to that of January and March. This return to stable conditions invites a feeling of anticipation for the crispness of fall, aligning with the overall trend of Changcheng’s wind patterns that remain relatively steady throughout the year.

Average September Wind Speed in Changcheng

The chart displays monthly wind speed patterns in Changcheng, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.63.13.33.73.13.22.23.1 m/s2.93.23.1
Data source: Changcheng September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Changcheng Compares to Other Months

Weather in Changcheng varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Changcheng, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather. In September, temperatures range from a mild 11°C (51°F) at night to a warm 32°C (91°F) during the day, with an average of 23°C (73°F). Humidity is relatively high at 65%, accompanied by 75 mm (2.9 in) of precipitation over about 7 days. In stark contrast, January temperatures plummet, with a minimum of -18°C (0°F) and a maximum of 13°C (55°F), averaging around 0°C (32°F). The winter month sees significantly less precipitation at 15 mm (0.6 in) over just 2 days, and lower humidity levels at 52%. For more detailed insights, you can check Changcheng weather in January.

September and February present starkly contrasting weather conditions. In September, temperatures fluctuate from a mild 11°C (51°F) at night to a warm average of 23°C (73°F), peaking at a hot 32°C (91°F) during the day. This month experiences about 75 mm (2.9 in) of precipitation over approximately 7 days, accompanied by a humidity level of around 65%. In contrast, February sees much cooler weather, with temperatures ranging from a chilly -13°C (10°F) at night to a slightly warmer average of 2°C (37°F), and a maximum of 25°C (77°F) on some days. This month is considerably drier, receiving only 18 mm (0.7 in) of precipitation over just 3 days, while humidity levels drop slightly to 60%. For those interested in more detailed weather information, you can visit Changcheng weather in February.

When comparing the weather in September and March, notable contrasts emerge. September enjoys warmer temperatures with an average of 23°C (73°F), peaking at 32°C (91°F), while March is much cooler, averaging only 9°C (48°F) and reaching a maximum of 28°C (83°F). Precipitation is higher in September, with 75 mm (2.9 in) falling over 7 days, compared to just 25 mm (1.0 in) across 4 days in March. Humidity levels are slightly elevated in March at 70%, while September experiences a more moderate 65%. For a closer look at March weather specifics, you can check Changcheng weather in March.

September and April present strikingly different weather patterns. In September, temperatures range from a mild 11°C (51°F) at night to a warmer average of 23°C (73°F) during the day, peaking at a hot 32°C (91°F). This month experiences more precipitation, totaling 75 mm (2.9 in) across seven days, coupled with a humidity of 65%. In contrast, April displays cooler temperatures, with nighttime lows dipping to 1°C (34°F) and an average of 14°C (58°F), but it can still reach up to 31°C (88°F) on particularly warm days. The month sees less rainfall at 34 mm (1.3 in) over six days and a higher humidity level of 78%. For a deeper dive into April weather, visit Changcheng weather in April.

In comparing the weather in September and May, September presents a warmer experience, with average temperatures reaching 23°C (73°F) and maximums soaring to 32°C (91°F). In contrast, May is typically cooler, with an average temperature of 20°C (68°F) and maximums that can reach up to 38°C (100°F). Despite May's potential for higher maximum temperatures, its minimum of 5°C (42°F) makes it cooler during the nights compared to September, which starts at 11°C (51°F). Both months experience similar levels of precipitation, around 75 mm (2.9 in) for September and 52 mm (2.0 in) for May, with precipitation on about 7 days in both months. However, the humidity is slightly higher in May at 74%, compared to September's 65%. For more information, you can check Changcheng weather in May.

September and June present notable differences in weather patterns despite having similar precipitation levels of 75 mm over seven days. September features cooler temperatures with a minimum of 11°C (51°F) and a maximum of 32°C (91°F), leading to an average temperature of 23°C (73°F). In contrast, June starts warmer, with a minimum of 14°C (58°F) and a significantly higher maximum of 37°C (99°F), resulting in an average temperature of 24°C (75°F). Additionally, the humidity levels are higher in June at 74%, compared to 65% in September, contributing to a more muggy feel during the earlier month. For a deeper insight into June's weather specifics, you can visit Changcheng weather in June.

In comparing the weather of September and July, it is clear that July tends to be hotter and more humid. July experiences minimum temperatures around 17°C (64°F) and can soar to a scorching maximum of 36°C (98°F), with an average of 27°C (80°F). In contrast, September's temperatures are cooler, ranging from a minimum of 11°C (51°F) to a maximum of 32°C (91°F), averaging at 23°C (73°F).

Moreover, July sees significantly more precipitation, totaling 202 mm (8.0 in) over 12 days, compared to September’s 75 mm (2.9 in) over just 7 days. The humidity in July hovers at 84%, making it feel quite muggy compared to September's lower humidity of 65%. For a more detailed analysis of July conditions, you can check out Changcheng weather in July.

September weather exhibits a notable shift compared to August. While August experiences warmer temperatures with a minimum of 16°C (62°F) and a maximum of 35°C (96°F), September's temperatures cool down slightly, ranging from a minimum of 11°C (51°F) to a maximum of 32°C (91°F). In terms of precipitation, August is significantly wetter, receiving 168 mm (6.6 in) over 16 days, contrasting with September's 75 mm (2.9 in) over just 7 days. Additionally, the humidity in August is higher at 81%, compared to September's more comfortable 65%. For more detailed information on August weather, you can visit Changcheng weather in August.

September typically offers warmer temperatures, with averages around 23°C (73°F) and highs reaching up to 32°C (91°F). The month sees a fair amount of rain, with about 75 mm (2.9 in) over 7 days, and humidity levels hover around 65%. In contrast, October brings a noticeable drop in temperatures, featuring a minimum of 3°C (38°F) and an average of 15°C (60°F), while it still has high temperatures that can reach 31°C (88°F). Precipitation decreases to 23 mm (0.9 in) over 4 days, and humidity slightly increases to 72%. For more detailed information about the weather in October, you can visit Changcheng weather in October.

September and November present contrasting weather patterns. In September, temperatures range from a mild 11°C (51°F) at night to a warm 32°C (91°F) during the day, with an average of 23°C (73°F). This month sees about 75 mm (2.9 in) of precipitation over seven days, accompanied by a humidity level of 65%. In contrast, November offers much cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 26°C (79°F), averaging just 9°C (49°F). Precipitation is significantly reduced to 24 mm (0.9 in) over three days, and humidity rises to 81%. For a deeper look into November's weather conditions, check out Changcheng weather in November.

In September, the weather is significantly warmer, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 32°C (91°F) and an average of 23°C (73°F). This month experiences about 75 mm (2.9 in) of precipitation over approximately 7 days, with a humidity level of 65%. In contrast, December sees much colder temperatures, with a minimum of -13°C (9°F), an average of 2°C (36°F), and a maximum of 15°C (59°F). Precipitation in December is considerably lower at 12 mm (0.5 in) over just 2 days, accompanied by a slightly higher humidity level of 71%. For more detailed information, you can check Changcheng weather in December.

Compare Changcheng's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Changcheng

As summer transitions into autumn, September in Changcheng brings a refreshing change in weather. With warm days averaging around 23°C, the city enjoys a pleasant escape from the sweltering heat of the peak summer months. While the maximum temperature can reach as high as 32°C, the cooler nights with lows around 11°C offer a comfortable respite. Although there are a few rainy days, totaling about 75 mm of precipitation, the humidity remains at a manageable 65%, making September a delightful time for outdoor activities. For a more detailed look at how Changcheng's weather evolves throughout the year, be sure to check Changcheng Climate.