September Weather in Yueyang, China

Last updated: August 21, 2025

September weather in Yueyang, China, offers a striking blend of warmth and humidity. With maximum temperatures soaring to 39°C (102°F) and an average hovering around 26°C (79°F), the month presents a sweltering experience for residents and visitors alike. Nights provide a cooler respite, with minimum temperatures dropping to 17°C (64°F). Rainfall is fairly common, accumulating to 131 mm (5.1 in) over 11 days, contributing to the region's characteristic 66% humidity. As the summer heat lingers, this transitional month hints at the approaching autumn, making it a unique time in Yueyang's climatic calendar.

September Temperature in Yueyang

In September, Yueyang experiences a gentle transition from summer's heat to the cooler embrace of autumn. With minimum temperatures around 17°C (64°F) and averages reaching 26°C (79°F), the weather remains relatively warm. However, the month peaks with maximum temperatures soaring to 39°C (102°F), a remnant of the summer season, keeping the city lively and dynamic. As the days progress, one can expect a gradual decline in temperature, hinting at the approaching cooler months ahead. This month serves as a delightful bridge, allowing locals and visitors alike to enjoy the lingering summer warmth while preparing for the crisp autumn air on the horizon.

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).
JanFebMarAprMayJunJulAugSepOctNovDec434656657380858678665746
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 transition in its precipitation patterns, with rainfall measuring 131 mm (5.1 in) over 11 days. This slight uptick from August's 128 mm underscores a subtle shift as the region heads deeper into the wet season. The balance between moisture and sunshine is delicate, as September maintains a significant average of rainfall while experiencing fewer precipitation days compared to the preceding months. After a summer filled with intense downpours, this month's rainfall marks a precursor to the drier months ahead, as October significantly drops to just 63 mm (2.5 in) while offering a brief respite from the heavier rains. Overall, September reflects a transitional phase in Yueyang’s climate, where lingering summer showers gradually yield to the crispness of autumn.

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.
JanFebMarAprMayJunJulAugSepOctNovDec6385156171248221210128131635736
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yueyang

In Yueyang, China, September marks a notable dip in humidity, with levels falling to 66%. This decrease contrasts sharply with the peak summer months of July and August, where humidity soared to 89% and 85% respectively. The change is indicative of the transition into autumn, providing a refreshing respite from the stifling heat of summer. As the year progresses, humidity begins to stabilize, inching back up to 68% by October. Overall, the trend highlights Yueyang's humid climate, characterized by high levels in the spring and peak summer, but transitioning to drier conditions as autumn approaches.

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.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yueyang

As September unfolds in Yueyang, China, residents and visitors experience a very high UV Index of 10, indicating the need for heightened sun protection. This follows a summer of extreme UV levels, with July and August peaking at 12, or just a short ten minutes before burning can occur. Interestingly, as September transitions to milder fall conditions, the UV Index drops to where it remains significant but more manageable; the burn time extends to 15 minutes. This pattern showcases a clear seasonal trend where UV intensity rises from the beginning of the year, peaks in the summer, and then begins to decline, albeit remaining a concern well into early autumn. For more detailed information, check out the full 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.
JanFebMarAprMayJunJulAugSepOctNovDec678101011121210974
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 enjoys a delightful 252 hours of sunshine, marking a transition from the sun-soaked peak of summer. As the hottest months of July and August yield impressive totals of 301 and 314 hours respectively, September’s sunlight remains abundant, though it begins to wane as autumn approaches. This remarkable streak peaks sharply from April through August, where the sun graces the city with over 224 hours, making for long, warm days. After September, the hours decrease to 208 in October, signaling a gradual shift towards the cooler months. The overall trend reveals not only a vibrant summer but also a welcoming and bright September, inviting residents and visitors alike to revel in the lingering warmth before the crisp autumn sets in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec153h195h207h224h264h271h301h314h252h208h203h205h
Data source: Yueyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yueyang During September

September marks a notable shift in the weather patterns of Yueyang, China, boasting a impressive 63% chance of sunny days. This significant increase contrasts sharply with the earlier summer months, where chances of sunshine lingered around the low thirties. As autumn approaches, residents can expect increasingly bright and dry days, highlighting September as a peak time for outdoor activities. Following a relatively dim and overcast spring, this sunny reprieve injects a fresh vibrancy into the local scenery, making it an ideal month for enjoying Yueyang's natural beauty and cultural attractions. With higher probabilities of sun compared to October's 36% and November's 52%, September stands out as a delightful interlude before the cooler months set in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec50%37%23%14%23%21%32%34%63%36%52%56%
Data source: Yueyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yueyang in September

As September rolls in, Yueyang, China, enjoys a pleasant 12 hours of daylight, marking a gentle transition from the long, sun-soaked days of summer. This month signals a subtle shift, as daylight gradually wanes from the peak of 13 hours experienced in July and August. Following September, the duration dips to 11 hours in October, reflecting the natural rhythm of the seasons. The progression from the longer summer days to shorter autumn hours presents an inviting opportunity to appreciate the changing light and the beauty it brings to the landscape. As the days begin to shorten, residents and visitors alike can relish the balanced warmth of early fall before the winter months settle in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 29m11h 8m11h 59m12h 52m13h 35m13h 57m13h 46m13h 8m12h 18m11h 26m10h 41m10h 18m
Data source: Yueyang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yueyang

As September arrives in Yueyang, the gentle caress of the wind remains a constant companion, maintaining an average speed of 2.5 m/s (6 mph). This marks a noticeable stability in wind patterns, akin to the calm transition from the heat of summer to the cooler embrace of autumn. Throughout the year, wind speeds show a slight oscillation, peaking at 3.6 m/s (8 mph) in October, while the summer months see a steady breeze that hovers around the 2.5 to 2.9 m/s range. The consistency of September’s winds contributes to a serene atmosphere, perfect for enjoying the warm days before the sharp drop in temperature that follows. Overall, this month exemplifies a tranquil balance, as the winds gracefully carry the whispers of changing seasons across Yueyang.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.63.02.72.62.52.92.52.5 m/s3.62.52.6
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 is characterized by warm temperatures, with averages around 26°C (79°F) and highs reaching up to 39°C (102°F), making it a hot month for many. In contrast, January experiences much cooler conditions, with average temperatures dropping to around 6°C (43°F) and lows plunging to -7°C (19°F), creating a stark difference in climate. September also sees higher humidity at 66% and more precipitation, totaling 131 mm (5.1 in) over 11 days, compared to January's 63 mm (2.5 in) over just 8 days. For those interested in more detailed information about the weather specifics for January, you can check out Yueyang weather in January.

September and February present contrasting weather patterns. In September, temperatures are significantly warmer, ranging from a minimum of 17°C (64°F) to a maximum of 39°C (102°F), with an average of 26°C (79°F). The month experiences notable humidity at 66% and a total precipitation of 131 mm (5.1 in) over 11 rainy days. In stark contrast, February features a much cooler climate with temperatures dipping as low as -3°C (26°F) and averaging 8°C (47°F), peaking at 26°C (79°F). Although slightly less precipitation is recorded at 85 mm (3.3 in) across 12 days, the humidity is relatively higher at 71%. For more detailed insights into February weather, you can check Yueyang weather in February.

September and March present distinct weather patterns, reflecting the transition between seasons. In September, temperatures are generally warmer, with an average of 26°C (79°F) and a maximum reaching up to 39°C (102°F), while March is much cooler, averaging just 13°C (57°F) with a maximum of 29°C (85°F). Both months experience considerable precipitation, but March tends to have slightly more at 156 mm (6.1 in) over 16 days compared to September's 131 mm (5.1 in) over 11 days. Additionally, humidity is higher in March at 83%, compared to 66% in September. For more details, you can check the link: Yueyang weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a comfortable minimum of 17°C (64°F) to a scorching maximum of 39°C (102°F), with an average of 26°C (79°F). Conversely, April experiences much cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 32°C (91°F), averaging 18°C (65°F). While both months see significant rainfall, September has 131 mm (5.1 inches) over 11 days, whereas April has a slightly higher precipitation of 171 mm (6.7 inches) over 14 days. Additionally, humidity levels are notably higher in April at 86%, compared to September's 66%. For more details on the April climate, check out Yueyang weather in April.

In September, the weather tends to be warmer, with average temperatures hovering around 26°C (79°F) and maximums reaching up to 39°C (102°F). In contrast, May experiences a cooler average temperature of 23°C (73°F), peaking at 35°C (94°F). Rainfall is more frequent in May, with approximately 248 mm (9.8 in) of precipitation over 14 days, compared to September's 131 mm (5.1 in) over 11 days. Additionally, May is characterized by higher humidity levels at 85%, while September sees a slightly lower humidity at 66%. For those interested in detailed May weather conditions, please visit Yueyang weather in May.

In comparing the weather of September and June, we see some notable differences. September temperatures range from a minimum of 17°C (64°F) to a maximum of 39°C (102°F), with an average of 26°C (79°F). In contrast, June features slightly higher average temperatures, with a minimum of 17°C (63°F), an average of 27°C (80°F), and a maximum of 35°C (96°F).

Precipitation levels also vary significantly between the two months; September receives 131 mm (5.1 in) of rain over 11 days, while June experiences more rainfall at 221 mm (8.7 in) across 16 days. Additionally, humidity is higher in June at 85%, compared to 66% in September. For more detailed information on June weather, you can check out Yueyang weather in June.

In comparing the weather conditions of September and July, we can see a notable difference in both temperature and humidity levels. September experiences a minimum temperature of 17°C (64°F) and an average of 26°C (79°F), which is a decrease from July’s minimum of 22°C (72°F) and average of 29°C (85°F). Despite both months having similar maximum temperatures, with September peaking at 39°C (102°F) and July reaching 40°C (104°F), July tends to feel warmer overall due to its higher humidity level of 89% compared to September's 66%. Rainfall is also more prevalent in July, with 210 mm (8.3 in) over 14 days, compared to September’s 131 mm (5.1 in) over 11 days. For more detailed information, check out Yueyang weather in July.

September weather shows a slight decrease in average temperature compared to August, with September's minimum at 17°C (64°F) and average at 26°C (79°F), while August maintains a minimum of 20°C (69°F) and an average of 30°C (86°F). Interestingly, both months share a maximum temperature of 38°C (102°F), but September does experience slightly more precipitation with 131 mm (5.1 in) over 11 days, compared to August's 128 mm (5.0 in) across 13 days. Additionally, September's humidity is notably lower at 66%, compared to August's more tropical humidity level of 85%. For more details on the weather patterns in August, you can check Yueyang weather in August.

September and October exhibit notable differences in weather patterns. September tends to be warmer, with average temperatures reaching 26°C (79°F) and maximums soaring up to 39°C (102°F). The month experiences higher rainfall, totaling 131 mm (5.1 in) over 11 days, along with a humidity level of 66%. Conversely, October cools off significantly, with average temperatures dropping to 19°C (66°F) and maximums peaking at 37°C (99°F). Precipitation also decreases to 63 mm (2.5 in) over 9 days, and humidity edges slightly higher to 68%. For more detailed insights into October weather, you can check Yueyang weather in October.

September presents a significantly warmer climate compared to November, with average temperatures reaching a high of 26°C (79°F), peaking at 39°C (102°F), and lows around 17°C (64°F). This month also sees considerable rainfall, totaling 131 mm (5.1 in) over 11 days, contributing to a humidity level of 66%. In contrast, November experiences a notable drop in temperature, with averages around 14°C (58°F), and maximums of 27°C (81°F), while the minimum temperature can drop to 4°C (39°F). The month is less rainy, with only 57 mm (2.3 in) of precipitation over 8 days, but humidity rises to 77%. For a closer look at the weather specifics for November, you can check Yueyang weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures soar with a minimum of 17°C (64°F) and reaching up to a scorching 39°C (102°F), accompanied by significant precipitation of 131 mm (5.1 in) over 11 days, leading to a humidity level of 66%. In contrast, December experiences much cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 19°C (66°F), along with a significantly lower precipitation of 36 mm (1.4 in) across 7 days. The humidity rises to 78%, adding to the chill in the air. For more details on December's weather, you can check Yueyang weather in December.

Compare Yueyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Yueyang

As September approaches in Yueyang, the intense summer heat begins to mellow, offering a delightful transition into more comfortable temperatures. With averages hovering around a pleasant 26°C (79°F), residents can enjoy a respite from the peak summer highs that often soar above 39°C (102°F). However, September also marks a period of increased rainfall, as the month typically witnesses about 11 days of precipitation, contributing to a moderate humidity level of 66%. This unique blend of warmth and moisture distinguishes September from the preceding months, making it a perfect time to experience the lush landscapes and cultural vibrancy of the region. For a deeper dive into what each month offers, check out the detailed Yueyang Climate.