September Weather in Poyang, China

Last updated: August 21, 2025

September in Poyang, China, showcases a dynamic climate characterized by warm temperatures and moderate humidity. With maximums reaching a toasty 37°C (99°F) and averaging around 27°C (82°F), the month provides a warm environment. However, the evenings cool down to a pleasant 19°C (66°F), offering relief from the daytime heat. Rainfall is also a notable aspect, with 73 mm (2.9 in) occurring over 9 days, contributing to a humidity level of 73%. The interplay of warmth and moisture makes September a unique time to experience the natural beauty and vibrant culture of Poyang.

September Temperature in Poyang

In September, Poyang, China experiences a notable transition as summer's heat gradually gives way to the cooler embrace of autumn. With minimum temperatures hovering around 19°C (66°F) and average highs reaching up to 37°C (99°F), this month showcases a delightful warmth that makes it ideal for outdoor activities. The average temperature of 27°C (82°F) reflects the lingering summer influence, yet the reduced nighttime chill signals the changing season. As the month progresses, residents and visitors alike can enjoy the balance between the warmth of summer and the refreshing hints of fall, making September one of the most pleasant months in Poyang.

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

The chart illustrates September temperature patterns in Poyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poyang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464959677681878881706049
Data source: Temperature data for Poyang 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 Poyang

September in Poyang, China marks a notable shift in the annual precipitation pattern, with rainfall averaging 73 mm (2.9 in) over 9 days. This amount reflects a significant decrease compared to the preceding months, particularly the heavy downpours of June and May, which often exceed 200 mm. The lighter rain seen in September signals the transition from the peak wet season, characterized by July's 285 mm and June's 358 mm, to drier autumn months ahead. As summer’s intensity wanes, September's modest precipitation sets the stage for a gradual drop, as expressed in October's expected 30 mm (1.2 in), illustrating the cyclical ebb and flow of Poyang’s monsoonal climate.

September Precipitation Trends in Poyang

The chart displays monthly precipitation patterns in Poyang, 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 Poyang, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec678020618224035828511973306149
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Poyang

In Poyang, China, September marks a notable shift in humidity levels, dropping to 73% after the peak summer months. This decrease follows a summer characterized by an elevated humidity reaching as high as 90% in July. The trend shows that while early autumn retains some lingering moisture from the summer, the atmosphere begins to transition towards drier conditions. Notably, both October and September share this 73% humidity, indicating a continuation of this trend into the fall, before humidity levels rise again in November to 80%. Overall, September serves as a pivotal month in the yearly cycle, bridging the intense humidity of summer with the more temperate conditions of autumn.

September Average Humidity in Poyang

This chart illustrates the average monthly humidity levels in Poyang, 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 Poyang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Poyang

In September, Poyang experiences a UV Index of 10, categorizing it as very high and indicating a burn time of just 15 minutes. This reflects a slight decrease from the extreme levels seen during the peak summer months of July and August, where the UV Index reached 12. As the month transitions from summer to autumn, the trends reveal how critical sun protection remains even as temperatures cool. Enthusiasts enjoying outdoor activities should remain vigilant, as the risk of skin damage persists. For more detailed insights and a month-by-month breakdown, check out the Poyang UV Index.

Maximum UV Index Levels in Poyang for September

The chart shows the monthly maximum UV Index (UVI) for Poyang 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 Poyang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101111121210975
Data source: Poyang 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 Poyang

September in Poyang, China, shines as a vibrant transition from the height of summer to the gentle embrace of autumn. With 273 hours of sunshine, it marks a slight decrease from August's peak of 314 hours, yet remains significantly higher than the earlier months of the year. The trend shows an impressive climb in sunlight hours as the year progresses, with the spring months gradually paving the way for the summer’s brilliance. Following the exceptional sunshine of July and August, September's ample light continues to invite outdoor exploration, making it a favorite for locals and visitors alike. As the days shorten and cooler breezes begin to weave through the landscape, the sunny warmth of September still offers an inviting glow, a pleasant reminder of the vibrant summer days that have just passed.

Monthly Sunshine Duration in Poyang: September Highlighted

The September sunshine duration represents the total number of hours Poyang 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.
JanFebMarAprMayJunJulAugSepOctNovDec161h198h218h246h286h259h302h314h273h242h219h220h
Data source: Poyang September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Poyang During September

As September rolls around in Poyang, China, the likelihood of sunny weather dramatically increases, with a robust 70% chance of sunshine. This marks a noteworthy peak compared to the preceding summer months, where sunny days lingered around 26% to 33%. Following a series of relatively cloudy months, September's bright outlook not only signals a significant shift but also serves as a promise of clearer skies. As autumn approaches, residents and visitors can look forward to enjoying more frequent sunlit days, making it an inviting time for outdoor activities in this picturesque region.

Percentage of Sunny Days in September in Poyang

The chart illustrates the percentage of sunny days in Poyang 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 Poyang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%36%24%21%22%18%27%33%70%40%52%57%
Data source: Poyang September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Poyang in September

In Poyang, China, September marks a gentle transition from the height of summer to the cooler embrace of autumn, with daylight lasting an average of 12 hours. This month features a decrease in daylight compared to the consistent 13 hours enjoyed during the summer of June to August. As the year progresses, daylight gradually declines, diminishing to 11 hours in October, before settling into the shorter days of winter. The gradual ebb and flow of sunlight not only reflects the changing seasons but also sets the tone for the harvest activities and cultural festivities that define this vibrant period in Poyang.

Average Daylight Hours in Poyang for September

The chart illustrates the variation in daylight duration in Poyang throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 30m11h 9m11h 59m12h 51m13h 35m13h 56m13h 45m13h 7m12h 18m11h 26m10h 41m10h 18m
Data source: Poyang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Poyang

In Poyang, China, the September wind brings a gentle breeze with an average speed of 2.5 m/s (6 mph), reflecting a slight dip from the more vigorous gusts of July. This transitional month shows a subtle trend of wind speeds generally fluctuating throughout the year, with the highest winds occurring in October at 3.4 m/s (8 mph), setting the stage for the upcoming autumn season. Interestingly, the wind speed in September aligns closely with data from earlier months such as January, April, and March, suggesting a seasonal stability as summer begins to wane. Overall, September's winds are mild yet vibrant, perfectly capturing the essence of a shift in the air as nature prepares for its next phase.

Average September Wind Speed in Poyang

The chart displays monthly wind speed patterns in Poyang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.52.62.82.62.33.12.32.5 m/s3.42.42.6
Data source: Poyang September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Poyang Compares to Other Months

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

September experiences a warm and humid climate, with average temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 37°C (99°F). The month sees about 73 mm (2.9 in) of precipitation over 9 days, contributing to a high humidity level of 73%. In contrast, January brings a much cooler atmosphere, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 23°C (73°F). Precipitation is slightly lower, at 67 mm (2.6 in), spread over 8 days, and humidity sits at a more comfortable 69%. For a more detailed look at January weather, visit Poyang weather in January.

September and February present quite different weather experiences. In September, temperatures range from a minimum of 19°C (66°F) to a maximum of 37°C (99°F), with an average temperature of 27°C (82°F). The month typically sees 73 mm (2.9 in) of precipitation over about 9 days, paired with a humidity level of 73%. In contrast, February features much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 25°C (77°F), resulting in an average of just 9°C (49°F). Precipitation is slightly higher at 80 mm (3.2 in) but occurs over more days, approximately 12, maintaining the same humidity level of 73%. This stark contrast highlights the transition from the warm, humid conditions of late summer to the colder, wetter winter days. For more detailed information about February weather, you can visit Poyang weather in February.

In comparing the weather patterns of September and March, significant differences emerge. September tends to be much warmer, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 37°C (99°F) and an average of 27°C (82°F). This month experiences moderate precipitation of 73 mm (2.9 in) over about 9 days, combined with a humidity level of 73%.

Conversely, March sees a noticeable drop in temperatures, with a range from a low of 5°C (42°F) to a high of 28°C (84°F) and an average of 15°C (59°F). This month is significantly wetter, with precipitation totaling 206 mm (8.1 in) across 16 days and a higher humidity level of 82%. For those curious about March conditions, detailed information can be found at Poyang weather in March.

When comparing the weather in September and April, notable differences emerge. September boasts higher temperatures, with averages around 27°C (82°F) and maximums reaching up to 37°C (99°F), while April experiences cooler conditions, featuring average temperatures of 19°C (67°F) and highs of 33°C (92°F). In terms of precipitation, April is significantly wetter, receiving about 182 mm (7.2 in) over 13 days, compared to September's 73 mm (2.9 in) spread over 9 days. Additionally, humidity levels are generally higher in April at 86%, compared to September’s 73%. For a more detailed understanding of April's climate, you can explore Poyang weather in April.

When comparing the weather in September to that of May, several key differences become apparent. September typically experiences warmer temperatures, with an average of 27°C (82°F) and maximum highs reaching up to 37°C (99°F), while May's average is cooler at 24°C (76°F), peaking at 36°C (97°F). However, May is characterized by significantly higher precipitation, averaging 240 mm (9.5 in) over 16 days compared to September's 73 mm (2.9 in) across 9 days, leading to a much more humid environment with 86% humidity in May versus 73% in September. For those interested in a more detailed look at May's weather, you can find additional information here: Poyang weather in May.

In comparing the weather of September and June, both months exhibit warm temperatures, with September experiencing slightly higher maximums, reaching up to 37°C (99°F) compared to June's 36°C (97°F). The average temperatures in both months are similar, hovering around 27°C (81°F). However, June is significantly wetter, with a staggering 358 mm (14.1 in) of precipitation over 20 days, while September sees much less rainfall, totaling 73 mm (2.9 in) over only 9 days. Additionally, June has a higher humidity level at 86% compared to September's 73%, making the early summer month feel more oppressive. For a closer look at June's weather specifics, you can refer to Poyang weather in June.

In comparing the weather of September and July, we observe notable differences in both temperature and precipitation. September typically experiences a minimum temperature of 19°C (66°F) and averages around 27°C (82°F), reaching a maximum of 37°C (99°F), while July's temperatures are generally higher, with a minimum of 22°C (72°F), an average of 30°C (87°F), and a peak of 39°C (102°F). Furthermore, September sees significantly less rainfall, with only 73 mm (2.9 in) falling over 9 days, in stark contrast to July's 285 mm (11.2 in) spread across 14 days. This difference in precipitation contributes to July's higher humidity level of 90%, compared to September's 73%. For a detailed look at July's climate, you can visit Poyang weather in July.

In comparing the weather in September to that of August, September presents slightly cooler temperatures, with minimums of 19°C (66°F) compared to August's 23°C (74°F) and average highs of 27°C (82°F) versus August's warmer 31°C (88°F). The maximum temperature in September reaches 37°C (99°F), which is still high but lower than August's peak of 39°C (102°F). Furthermore, September experiences less precipitation at 73 mm (2.9 in) over 9 days, while August sees more rain—119 mm (4.7 in) over 11 days—along with higher humidity levels of 86% compared to September's 73%. For more detailed information, check Poyang weather in August.

In September, the weather is considerably warmer, with temperatures ranging from a minimum of 19°C (66°F) to an average of 27°C (82°F) and a maximum of 37°C (99°F). The month also sees more rainfall, with 73 mm (2.9 in) over 9 days, contributing to a high humidity level of 73%. In contrast, October brings a noticeable dip in temperatures, with a minimum of 12°C (54°F) and an average of 21°C (71°F), peaking at 36°C (97°F). Precipitation decreases significantly to just 30 mm (1.2 in) over 5 days, while the humidity remains consistent at 73%. For a closer look at what to expect, check out Poyang weather in October.

In September, temperatures are notably warmer, with averages reaching 27°C (82°F) and maximums soaring up to 37°C (99°F), while November experiences a significant drop, typically ranging from a minimum of 5°C (42°F) to a maximum of 27°C (82°F). The increase in humidity to 80% in November, compared to September's 73%, adds a chill to the air despite the milder temperatures. Rainfall is slightly less in November, with 61 mm (2.4 in) over about 8 days, compared to 73 mm (2.9 in) over 9 days in September. For more insights on this month's weather, you can explore Poyang weather in November.

September and December present strikingly different weather patterns. In September, temperatures range dramatically, with minimums around 19°C (66°F) and maximums peaking at 37°C (99°F), resulting in an average temperature of 27°C (82°F). The month also experiences considerable rainfall, with around 73 mm (2.9 in) of precipitation over 9 days, and humidity levels hover at 73%. In contrast, December brings a much cooler climate, with minimum temperatures dropping to -1°C (31°F) and an average temperature of just 9°C (49°F). Maximum temperatures can reach 24°C (75°F), but with less rainfall—around 49 mm (1.9 in) over 7 days—and higher humidity at 79%. For a more detailed comparison, visit Poyang weather in December.

Compare Poyang's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Poyang

As September unfolds in Poyang, the weather marks a significant transition from the sweltering summer months. With average temperatures settling around a comfortable 27°C (82°F), this month offers a pleasant reprieve from the peak heat, even as occasional highs still reach up to 37°C (99°F). Rainfall introduces a refreshing change, bringing an average of 73 mm over about 9 days, contributing to a noticeable increase in humidity, which hovers at 73%. This combination of warmth and rain creates a vibrant atmosphere, making September a unique time to experience Poyang's natural beauty. For a deeper dive into the area's climate patterns, check out Poyang Climate.