September Weather in Nanning, China

Last updated: August 21, 2025

Experience September in Nanning, China, where warm temperatures create a vibrant atmosphere. With maximums reaching 36°C (97°F) and an average of 28°C (82°F), the weather is perfect for embracing outdoor adventures, despite the occasional rain. Expect a humid environment, with humidity around 72% and precipitation totaling 170 mm (6.7 in) over 18 days—a reminder of the region's lush, tropical climate. Get ready to enjoy the blend of warmth and refreshing showers that characterize this lively month!

September Temperature in Nanning

In September, Nanning, China, experiences a delightful transition as summer begins to wane. With minimum temperatures averaging around 20°C (68°F) and peaking at a comfortable 36°C (97°F), the city remains warm but starts to show hints of cooler fall days ahead. The average temperature sits at a pleasant 28°C (82°F), making it an ideal time for outdoor activities, as humidity levels typically remain manageable. This month marks a slight dip in maximum temperatures compared to the sweltering highs of July and August, signaling a gradual shift in the seasons and offering a charming climate for both locals and visitors to enjoy.

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

The chart illustrates September temperature patterns in Nanning, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanning, 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).
JanFebMarAprMayJunJulAugSepOctNovDec586068738083848382746859
Data source: Temperature data for Nanning 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 Nanning

In September, Nanning experiences a significant amount of rainfall, with 170 mm (6.7 in) accumulating over an average of 18 days. This marks a noticeable decline from the summer months, particularly August, which boasts a higher precipitation total of 264 mm (10.4 in) over 25 days. As the monsoon season transitions, the drop in precipitation signifies a shift towards drier conditions in the approaching fall. Interestingly, the overall trend shows that September's rainfall is substantial compared to the preceding months, helping to maintain the lush greenery typical of the region, even as the weather slowly prepares for the drier months ahead.

September Precipitation Trends in Nanning

The chart displays monthly precipitation patterns in Nanning, 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 Nanning, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4160103961752752132641701174048
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nanning

In Nanning, China, September marks a noticeable shift in humidity, settling at 72%. This month sees a decline from the peak summer humidity levels of 89% in July and 88% in August. As the sweltering heat of summer gives way to the gentle embrace of autumn, September's humidity reflects a more moderate climate, reminiscent of the spring months. While it remains higher than the average winter values, it hints at the changing seasons, leading into the drier months of October and November. Overall, September offers a welcomed respite from the intense humidity of the preceding summer, ushering in a refreshing change.

September Average Humidity in Nanning

This chart illustrates the average monthly humidity levels in Nanning, 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 Nanning is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%62%62%58%74%80%89%88%72%64%61%63%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nanning

In September, Nanning experiences a notable shift in UV exposure with an UV Index of 11, categorized as extreme, which necessitates a burn time of just 10 minutes for unprotected skin. This month marks a transition from the peak intensity of summer, where the UV Index reaches its highest at 13 from May to August, indicating consistent high risk of harm from UV rays. As autumn approaches, the UV levels remain elevated, reflecting the ongoing need for sun safety awareness. For insights into UV patterns throughout the year, visit Nanning UV Index and stay protected against the sun's powerful rays.

Maximum UV Index Levels in Nanning for September

The chart shows the monthly maximum UV Index (UVI) for Nanning 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 Nanning typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111113131313111187
Data source: Nanning 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 Nanning

As summer lingers into the vibrant month of September in Nanning, the city enjoys a robust 282 hours of sunshine, continuing the trend of abundant light from the preceding months. This peak in sunlight follows the height of summer in July and August, where the city basked in nearly 295 and 289 hours, respectively. With the gradual transition into autumn, September still reflects a high level of sunshine, significantly higher than the winter months, including January's mere 140 hours. The gradual decrease in daylight hours is anticipated in October, but for now, September remains a beautiful blend of warmth and light, perfect for outdoor adventures and exploring Nanning's lush landscapes.

Monthly Sunshine Duration in Nanning: September Highlighted

The September sunshine duration represents the total number of hours Nanning 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.
JanFebMarAprMayJunJulAugSepOctNovDec140h192h155h200h288h279h295h289h282h255h227h228h
Data source: Nanning September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nanning During September

In Nanning, China, September offers a moderate chance of sunny weather with about 35% likelihood of clear skies. This marks a slight improvement over the summer months, where sunshine was more elusive, particularly in July and August, with probabilities dropping to 29% and 14% respectively. As the year progresses into October and November, the likelihood of sunny days remains steady at 35% and 40%, suggesting that September acts as a transitional period where the weather begins to brighten after the summer heat. Overall, while the sun doesn't dominate the September forecast, the increased chance reflects a gradual return to more favorable conditions as Nanning shifts into autumn.

Percentage of Sunny Days in September in Nanning

The chart illustrates the percentage of sunny days in Nanning 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 Nanning experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec47%49%20%21%32%16%29%15%35%35%40%48%
Data source: Nanning September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nanning in September

In Nanning, China, September marks a gentle transition as daylight begins to taper off from the summer peak. With 12 hours of daylight, the city enjoys a balance between the longer, sun-soaked days of May through August and the shorter hours that follow in the fall and winter months. This equal share of light reflects the gradual shift towards autumn, aligning with the dips seen in October and November, where daylight decreases back to 11 hours. The clear trend of increasing daylight from January's 10 hours to June's high of 13 hours, followed by a slow, graceful decline, highlights the rhythmic patterns of Nanning's seasons, inviting both locals and visitors to savor the golden hues of early autumn before the shorter days fully descend.

Average Daylight Hours in Nanning for September

The chart illustrates the variation in daylight duration in Nanning throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 53m11h 22m12h 1m12h 40m13h 13m13h 29m13h 21m12h 52m12h 15m11h 35m11h 2m10h 44m
Data source: Nanning daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Nanning

As September rolls into Nanning, China, the winds tend to slow down, with an average speed of just 1.7 m/s (4 mph)—the lowest of the year. This gentle breeze contrasts sharply with the more spirited gusts of earlier months, particularly May's lively 3.1 m/s (7 mph). The transition towards autumn sees winds gradually easing, marking a tranquil period before the brisk October breezes return, where speeds pick up again to 3.3 m/s (7 mph). This seasonal ebb and flow in wind patterns not only influences the atmosphere of Nanning but also hints at the changing landscapes that herald the arrival of fall.

Average September Wind Speed in Nanning

The chart displays monthly wind speed patterns in Nanning, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.53.02.83.12.92.42.51.7 m/s3.32.62.4
Data source: Nanning September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Nanning Compares to Other Months

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

September and January present strikingly different weather conditions. In September, temperatures span from a minimum of 20°C (68°F) to a scorching maximum of 36°C (97°F), with an average temperature of 28°C (82°F). This month is also quite wet, experiencing around 170 mm (6.7 in) of precipitation over 18 days and maintaining a high humidity level of 72%. In contrast, January brings a much cooler climate, with temperatures ranging from a low of 4°C (39°F) to a comfortable 27°C (82°F), averaging just 14°C (58°F). The precipitation significantly decreases to 41 mm (1.6 in) over only 7 days, along with a lower humidity of 56%. For more detailed information, you can check Nanning weather in January.

September and February present stark contrasts in weather. In September, temperatures soar with a minimum of 20°C (68°F) and an average of 28°C (82°F), reaching highs of 36°C (97°F). This warm month also sees significant rainfall, totaling 170 mm (6.7 in) over 18 days, accompanied by a humidity level of 72%. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 4°C (40°F) to an average of 15°C (60°F) and a maximum of 29°C (85°F). Precipitation is notably lighter at 60 mm (2.4 in) across 8 days and a lower humidity level of 62%. For more detailed insights, check out Nanning weather in February.

In comparing the weather between September and March, notable differences emerge in temperature and precipitation patterns. September boasts much warmer conditions, with minimum temperatures around 20°C (68°F) and averages reaching as high as 28°C (82°F), peaking at 36°C (97°F). In contrast, March experiences a cooler climate, with minimum temperatures dropping to around 9°C (48°F) and averaging 20°C (68°F), while the maximum rarely exceeds 31°C (89°F).

Precipitation is also more substantial in September, with about 170 mm (6.7 in) spread over 18 days, compared to March's 103 mm (4.1 in) over the same number of days. Additionally, humidity levels in September (72%) are noticeably higher than those in March (62%). For a more detailed look at March weather, you can refer to Nanning weather in March.

In September, the weather tends to be warmer and more humid compared to April, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 36°C (97°F) and an average of 28°C (82°F). The month experiences significant rainfall, with 170 mm (6.7 in) of precipitation over 18 days and a humidity level of 72%. In contrast, April features milder temperatures, with a minimum of 11°C (52°F), an average of 23°C (73°F), and the same maximum of 36°C (97°F). Precipitation is lower during this month, amounting to 96 mm (3.8 in) over 15 days, and the humidity is notably less at 58%. For more information about April weather specifically, you can visit Nanning weather in April.

September and May display a range of similarities and differences in their weather patterns. In September, the average temperature is slightly warmer at 28°C (82°F), compared to 26°C (80°F) in May. However, both months experience occasional high temperatures, peaking at 36°C (97°F) in September and 36°C (98°F) in May. In terms of precipitation, September receives 170 mm (6.7 in) over 18 days, while May has slightly more rain at 175 mm (6.9 in) over 20 days, resulting in marginally higher humidity levels in May at 74%, compared to 72% in September. For more detailed info, check out Nanning weather in May.

In September, the weather features a minimum temperature of 20°C (68°F) and an average of 28°C (82°F), with a maximum reaching 36°C (97°F). The month experiences significant rainfall, with 170 mm (6.7 in) spread over 18 days, resulting in a humidity level of 72%. In contrast, June sees slightly higher temperatures, averaging 29°C (84°F) with a maximum of 37°C (99°F), but it also brings greater precipitation at 275 mm (10.8 in) across 23 days, leading to higher humidity levels of 80%. This comparison highlights that while both months are warm, June tends to be both wetter and more humid than September. For more details, check out Nanning weather in June.

When comparing the weather in July and September, distinct differences emerge. July tends to be hotter, with minimum temperatures averaging at 24°C (75°F) and maximums reaching up to 38°C (100°F). In contrast, September sees slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 36°C (97°F). July is also characterized by higher humidity at 89%, compared to September's 72%. Additionally, July experiences more precipitation, with 213 mm (8.4 in) falling over 23 days, whereas September records 170 mm (6.7 in) over 18 days. For a detailed look at July weather specifically, you can refer to Nanning weather in July.

September offers a slight reprieve from the heat compared to August, with average temperatures dropping from 29°C (84°F) to 28°C (82°F). While the maximum temperature remains close, peaking at 36°C (97°F) in September compared to August's 37°C (99°F), the minimum temperature also cools down from 24°C (75°F) in August to 20°C (68°F) in September. Precipitation decreases significantly from 264 mm (10.4 in) over 25 rainy days in August to 170 mm (6.7 in) over 18 rainy days in September, contributing to a lower humidity level of 72%. This shift makes September generally feel more comfortable, contrasting with the more oppressive heat and humidity typical of August. For a detailed look at August's weather, visit Nanning weather in August.

September and October present a notable shift in weather conditions. In September, temperatures typically range from a minimum of 20°C (68°F) to a high of 36°C (97°F), with an average temperature of 28°C (82°F). The month experiences significant rainfall, totaling 170 mm (6.7 in) over 18 days, alongside a humidity level of 72%. In contrast, October sees cooler temperatures, with a minimum of 15°C (59°F) and a maximum of 34°C (94°F), averaging 23°C (74°F). Precipitation decreases to 117 mm (4.6 in) over 13 days, and humidity drops to 64%. For more insights, check out Nanning weather in October.

September and November showcase a significant transition in weather patterns. In September, temperatures soar with a minimum of 20°C (68°F) and an average of 28°C (82°F), peaking at a sweltering 36°C (97°F). The month is characterized by abundant rainfall, receiving 170 mm (6.7 in) over 18 days, coupled with a high humidity level of 72%. In contrast, November brings a much cooler climate, with temperatures dropping to a minimum of 9°C (49°F), averaging 20°C (68°F), and a maximum of 29°C (85°F). The precipitation also significantly decreases to 40 mm (1.6 in) over just 9 days, and humidity falls to a more comfortable 61%. For a more detailed look into what to expect in November, check out Nanning weather in November.

September in Nanning features significantly warmer temperatures, with a minimum of 20°C (68°F) and an average high of 36°C (97°F), making it the peak of warmth and humidity, with an average precipitation of 170 mm (6.7 in) over 18 days. In contrast, December brings a much cooler climate, with temperatures dropping to a minimum of 4°C (40°F) and an average high of 29°C (84°F). Additionally, December sees only 48 mm (1.9 in) of precipitation over just 8 days, resulting in lower humidity at 63%. For more details, check out Nanning weather in December.

Compare Nanning's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Nanning

As September rolls in, Nanning experiences a noticeable transition in its weather, marked by a blend of warm temperatures and increased humidity. Although the highs still reach a sultry 36°C, the average cools slightly, offering a brief respite from the summer peak. The month witnesses a significant increase in rainfall, with nearly two-thirds of the days seeing precipitation, contributing to the city’s lush landscape. While humidity lingers around a humid 72%, it adds to the tropical feel of the city. For those curious about the broader climate patterns in Nanning, be sure to explore Nanning Climate for a deeper understanding of this vibrant region.