September Weather in Yueyang, China

Last updated: August 21, 2025

In September, Yueyang experiences a warm and humid climate with temperatures ranging from a comfortable 8°C (47°F) at night to a peak of 31°C (88°F) during the day, averaging around 18°C (65°F). This transitional month witnesses approximately 109 mm (4.3 in) of rainfall spread over about 10 days, contributing to the area's lush landscapes. With a humidity level of 58%, residents and visitors can expect a mix of sunny days and occasional showers, making it a vibrant time to explore the natural beauty of Yueyang.

September Temperature in Yueyang

As September unfolds in Yueyang, China, the temperatures reflect a delightful transition from the sweltering summer months to the crispness of autumn. With minimum temperatures averaging around 8°C (47°F) and peaking at a comfortable 31°C (88°F), this month offers a pleasant balance of warmth and coolness. The average temperature settles at 18°C (65°F), inviting outdoor activities and exploration amidst the picturesque scenery. As the days grow shorter and the air begins to cool, residents and visitors alike can enjoy the beautiful shift in seasons, characterized by vibrant foliage and mild weather—perfect for enjoying the city's cultural heritage and surrounding nature.

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

The chart illustrates September temperature patterns in Yueyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yueyang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec273346556573757365524128
Data source: Temperature data for Yueyang generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Yueyang

In September, Yueyang experiences a notable peak in precipitation, with a total of 109 mm (4.3 in) of rainfall spread over 10 days. This marks a significant transition from the summer months, where July and August see even heavier rainfall, with 140 mm and 97 mm, respectively. The increase in September's precipitation reflects the onset of autumn, bridging the active monsoon season and preparing for the drier months ahead. As the rains taper off towards October, with only 62 mm expected, September serves as a crucial month for replenishing the region's water sources while showcasing the dramatic shifts in Yueyang's climate patterns.

September Precipitation Trends in Yueyang

The chart displays monthly precipitation patterns in Yueyang, 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 Yueyang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec814174135601409710962176
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yueyang

In September, Yueyang experiences a noticeable shift in humidity, with levels dropping to 58%—slightly lower than the preceding months of July and August, which remained stable around 64%. As autumn begins to set in, this decrease signals a transition from the more humid summer months toward the drier fall season. Interestingly, September's humidity is comparable to the early months of the year, like January and February, which recorded 55% and 58% respectively. This trend suggests a comfortable balance as the city prepares for the upcoming months, where humidity will increase again with October's rise to 72%. Overall, September serves as a refreshing interlude, offering a reprieve from the higher summer humidity while hinting at the changes that lie ahead.

September Average Humidity in Yueyang

This chart illustrates the average monthly humidity levels in Yueyang, 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 Yueyang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%58%63%72%57%64%65%64%58%72%71%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yueyang

As September arrives in Yueyang, China, the UV Index remains notably high at 9, classifying the exposure as very high with a burn time of just 15 minutes. This trend reflects a peak in sun intensity that typically marks the end of summer, following July and June's extreme UV levels. While the UV Index slightly decreases from the earlier months, it still urges caution during outdoor activities. Residents and visitors alike should prioritize sun protection to safeguard their skin against potential harm. For more information on the UV Index throughout the year, check out Yueyang UV Index.

Maximum UV Index Levels in Yueyang for September

The chart shows the monthly maximum UV Index (UVI) for Yueyang 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 Yueyang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109743
Data source: Yueyang 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 Yueyang

In Yueyang, China, September marks the gradual transition from the sweltering summer months to the cooler embrace of autumn, with 253 hours of sunshine lighting the way. While the clear skies of May and June boast peak sunshine, September's warm glow still offers a delightful respite from the heat, falling just short of the vibrant summer months. Following a sun-drenched August, the days begin to shorten, yet this month retains a commendable amount of sunlight compared to the autumn and winter months that follow. As the year progresses, it's clear that this dynamic interplay of sunshine not only brightens the landscape but also sets a picturesque backdrop for the seasonal changes ahead.

Monthly Sunshine Duration in Yueyang: September Highlighted

The September sunshine duration represents the total number of hours Yueyang 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.
JanFebMarAprMayJunJulAugSepOctNovDec213h265h295h279h329h310h322h311h253h246h254h265h
Data source: Yueyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yueyang During September

In September, Yueyang experiences a 44% chance of sunny weather, placing it in the middle range of the yearly spectrum. As the summer heat fades, this likelihood is a slight uptick compared to the preceding months of June, July, and August, which hover around the low 40s. Interestingly, this marks a transition toward clearer skies as the region heads into the autumn months, notable for their increased sunny days in November and December, which boast chances of 70% and 69%, respectively. Overall, while September may not be the sunniest month, it nevertheless hints at the pleasant brightness that awaits in the coming fall.

Percentage of Sunny Days in September in Yueyang

The chart illustrates the percentage of sunny days in Yueyang 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 Yueyang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%58%42%39%56%44%41%48%44%36%70%69%
Data source: Yueyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yueyang in September

As summer transitions to autumn in Yueyang, China, September marks a serene shift in daylight duration, offering 12 hours of sunlight. This month showcases a gradual decline from the peak 14 hours of daylight observed in June, July, and August. As the days begin to shorten, the gentle reduction captures the essence of fall, inviting cooler breezes and a change in scenery. While September still holds onto a significant amount of daylight, it hints at the coming months of dwindling light, where October will bring 11 hours and November will follow with just 10 hours. This rhythmic ebb and flow of daylight not only shapes the landscape but also influences the vibrant cultural tapestry of the region, reminding us of nature's inevitable cycles.

Average Daylight Hours in Yueyang for September

The chart illustrates the variation in daylight duration in Yueyang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 58m10h 50m11h 58m13h 7m14h 5m14h 34m14h 19m13h 28m12h 22m11h 14m10h 14m9h 43m
Data source: Yueyang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yueyang

As September unfolds in Yueyang, China, the city experiences a gentle breeze with an average wind speed of 2.0 m/s (4 mph), marking a slight uptick from the summer months. This transition illustrates a trend of cooling down after the hotter days of July and August, which saw the lowest winds of the year at 2.0 m/s and 1.9 m/s respectively. Throughout the year, the wind patterns reveal a gradual decline over the summer, followed by a mild resurgence in early autumn. As October approaches, the winds drop even further, signaling the approach of winter. This cyclical shift underscores Yueyang's distinctive seasonal rhythm, where September's mild winds are a prelude to the crisp days ahead.

Average September Wind Speed in Yueyang

The chart displays monthly wind speed patterns in Yueyang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.42.32.72.92.12.01.92.0 m/s1.82.42.0
Data source: Yueyang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Yueyang Compares to Other Months

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

September generally presents a warm and variable climate, with temperatures ranging from a brisk 8°C (47°F) at night to a sweltering 31°C (88°F) during the day, coupled with an average of 18°C (65°F). During this month, rainfall is relatively frequent, occurring on about 10 days and amounting to 109 mm (4.3 in), while the humidity sits at a comfortable 58%. In stark contrast, January ushers in a severe winter chill, where temperatures plummet to a minimum of -21°C (-5°F) and peak at only 9°C (49°F), yielding a much colder average of -3°C (27°F). January experiences significantly less precipitation, with only 7 mm (0.3 in) falling over just 2 days, and humidity slightly lower at 55%. For more specific insights on January weather, you can check Yueyang weather in January.

The weather in September is characterized by warmer temperatures, ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), with an average of 18°C (65°F). This month also sees significant rainfall, with 109 mm (4.3 in) of precipitation over approximately 10 days. In contrast, February experiences much colder conditions, with temperatures ranging from a chilly -14°C (6°F) to a maximum of 19°C (67°F) and an average temperature of 1°C (33°F). Additionally, February has minimal precipitation at just 14 mm (0.5 in) over about 3 days, yet maintains the same humidity level of 58%. For more details, check out Yueyang weather in February.

September and March present contrasting weather patterns. In September, temperatures range significantly from a cool minimum of 8°C (47°F) to a warm maximum of 31°C (88°F), with an average temperature of 18°C (65°F). This month experiences more rainfall, totaling 109 mm (4.3 in) over approximately 10 days, contributing to a humidity level of 58%. In contrast, March features a much colder environment, with minimum temperatures dropping to -4°C (25°F) and a maximum of 27°C (81°F), resulting in an average of 8°C (46°F). Precipitation is minimal at 16 mm (0.6 in) across just 3 days, alongside a slightly higher humidity of 63%. For more detailed information, you can check Yueyang weather in March.

September and April showcase distinctly different weather patterns. In September, temperatures range from a mild 18°C (65°F) on average to a peak of 31°C (88°F), making it a much warmer month overall, with 10 days of precipitation totaling 109 mm (4.3 in) and a moderate humidity of 58%. In contrast, April experiences cooler temperatures, with averages around 13°C (55°F) and a much lower maximum of 28°C (83°F). It also sees less rain, with just 40 mm (1.6 in) over 5 days, but has higher humidity at 72%. For more specific details, you can check Yueyang weather in April.

In comparing the weather between September and May, both months exhibit similar average temperatures of 18°C (65°F), but the extremes differ notably. September experiences higher maximum temperatures reaching up to 31°C (88°F), while May can soar to 34°C (94°F). Rainfall is significantly more prevalent in September, with 109 mm (4.3 in) of precipitation over 10 days, compared to May's milder 35 mm (1.4 in) over just 4 days. Additionally, humidity levels are slightly higher in September at 58%, compared to May’s 57%. For more detailed insights into May's weather, you can check Yueyang weather in May.

In September, the weather is typically cooler than in June, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F). This month also sees more precipitation, averaging 109 mm (4.3 in) over about 10 days, making it feel quite humid at 58%. In contrast, June boasts warmer temperatures, with averages from 11°C (52°F) at the low end to a hot maximum of 35°C (95°F). The precipitation in June is lesser, totaling around 60 mm (2.4 in) across 7 days, but the humidity is slightly higher at 64%. For a detailed overview, you can visit Yueyang weather in June.

In comparing the weather of September and July, we observe significant contrasts in temperature and precipitation. September experiences a wider temperature range, with minimums around 8°C (47°F) and maximums peaking at 31°C (88°F), leading to an average of 18°C (65°F). In contrast, July is notably warmer, with minimum temperatures of 16°C (61°F) and highs reaching 36°C (96°F), resulting in a comfortable average of 24°C (75°F). Additionally, July sees more rainfall, with 140 mm (5.5 in) over 17 days, compared to September's 109 mm (4.3 in) over 10 days. Humidity is also higher in July at 65%, relative to September's 58%. For more details on July weather, visit Yueyang weather in July.

In September, the weather typically features cooler temperatures, with a minimum of 8°C (47°F) and an average of 18°C (65°F), compared to August's warmer minimum of 13°C (56°F) and an average of 23°C (74°F). The maximum temperatures also reflect this seasonal shift, peaking at 31°C (88°F) in September versus 33°C (92°F) in August. While both months experience significant rainfall, September records 109 mm (4.3 in) over 10 days, slightly more than August's 97 mm (3.8 in) over 14 days. Additionally, humidity levels are a bit lower in September at 58%, down from August's 64%. For a closer look at August’s climate specifics, you can visit Yueyang weather in August.

As the seasons transition from September to October, the weather shifts significantly. September boasts a warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F) and an average of 18°C (65°F). In contrast, October sees much cooler temperatures, with a minimum of 0°C (33°F) and an average of 11°C (52°F), peaking at 26°C (79°F). Additionally, September experiences more rainfall, totaling 109 mm (4.3 in) over approximately 10 days, while October's precipitation decreases to 62 mm (2.4 in) over just 7 days. The humidity also rises in October, reaching 72% compared to September's 58%. For a detailed look at October's weather, check out Yueyang weather in October.

September weather is typically warm and variable, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F) and an average of 18°C (65°F). This month often experiences more rainfall, with 109 mm (4.3 in) spread over about 10 days, and humidity sits at a comfortable 58%. In contrast, November marks a significant drop in temperatures, with lows plunging to -8°C (19°F) and an average of just 5°C (41°F), peaking at a mild 20°C (67°F). Rainfall is minimal during this month, totaling only 17 mm (0.7 in) over 3 days, while humidity rises to 71%. For more detailed information about November weather, you can check Yueyang weather in November.

In September, the weather is typically much warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (88°F), averaging around 18°C (65°F). This month also sees considerable rainfall, with 109 mm (4.3 in) over about 10 days, resulting in a humidity level of 58%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -17°C (3°F) and only reaching a maximum of 11°C (52°F), averaging -2°C (29°F). Precipitation significantly decreases to just 6 mm (0.2 in) over 2 days, and humidity rises to 69%. For more detailed information, check out Yueyang weather in December.

Compare Yueyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Yueyang

As September dawns in Yueyang, the weather begins to transition from the sweltering heat of summer to a more moderate and refreshing climate. With temperatures averaging around 18°C, the month offers a pleasant reprieve while still peaking at warm 31°C days, unlike the typically hotter summer months. Rainfall also becomes more frequent, contributing to a total precipitation of 109 mm over about 10 days, marking a shift towards the wetter season. The humidity, now manageable at 58%, adds to the overall comfort, making September an inviting time to experience everything Yueyang has to offer. For a deeper dive into Yueyang's evolving weather patterns and to plan your visit, check out Yueyang Climate.