September Weather in Jiangning, China

Last updated: August 21, 2025

September in Jiangning, China ushers in a transition of weather, featuring maximum temperatures reaching 36°C (97°F) and an average of 25°C (76°F). The month experiences cooler nights, with lows dipping to 15°C (60°F). Despite the warmth, expect notable humidity at 75%, which can make the heat feel more intense. Rainfall is also a factor, with 87 mm (3.4 in) of precipitation spread over 11 days, adding a refreshing touch to the warm days. This blend of heat and humidity characterizes September as a lively and vibrant month in Jiangning's climate.

September Temperature in Jiangning

As September rolls into Jiangning, China, the temperatures begin to transition from the sweltering heat of summer to the more comfortable warmth of autumn. With a minimum temperature of 15°C (60°F) and an average settling at 25°C (76°F), the heat retains its grip, reaching a maximum of 36°C (97°F). This month stands out as a balance between the residual warmth of summer and the impending coolness of fall, showcasing a notable dip from the peak summer highs while still offering plenty of sunny days. As the month progresses, the evenings offer a refreshing breeze, inviting residents and visitors alike to enjoy the lush scenery and vibrant culture of Jiangning in this delightful transitional season.

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

The chart illustrates September temperature patterns in Jiangning, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiangning, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404354627278838476645543
Data source: Temperature data for Jiangning 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 Jiangning

In September, Jiangning experiences a notable transition in its precipitation patterns, receiving 87 mm (3.4 in) of rain over 11 days. This marks a decline from the heavy downpours of the summer months, particularly July and August, which saw significant precipitation totals of 240 mm (9.5 in) and 200 mm (7.9 in), respectively. The shift in rainfall hints at the onset of autumn, as the days grow shorter and the temperatures begin to cool. While September's rainfall is still substantial, it reflects a gradual tapering off from the summer peak, paving the way for the drier months ahead in October and beyond. This transition illustrates Jiangning's dynamic climate, where the summer’s brilliance gives way to the more moderate, yet still variable, weather of fall.

September Precipitation Trends in Jiangning

The chart displays monthly precipitation patterns in Jiangning, 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 Jiangning, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5756757314817724020087574441
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jiangning

In September, Jiangning, China experiences a noticeable shift in humidity levels, settling at 75%. This marks a decrease from the summer's peak, where July and August see humidity levels soar to 90% and 88%, respectively. This transition is part of a broader trend observed throughout the year, with spring and early summer displaying higher humidity, culminating in peak levels during the hottest months. As autumn approaches, the humidity begins to taper off, providing a more comfortable climate as the year progresses into October. Overall, September's humidity signifies a seasonal pivot, hinting at the approaching dry spell while still retaining a hint of summer's lingering warmth.

September Average Humidity in Jiangning

This chart illustrates the average monthly humidity levels in Jiangning, 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 Jiangning is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%82%86%85%85%90%88%75%76%84%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jiangning

In September, Jiangning experiences a UV Index of 10, falling into the very high exposure category, which means that even a brief period outdoors can lead to skin damage in about 15 minutes. This trend highlights the lingering intensity of summer's sun, as the UV Index remains elevated after the peak months of June through August, which all hover at an extreme level of 11. As the year transitions into fall, there's a notable shift; while October still registers a very high UV Index of 8, the subsequent months see a significant decrease, returning to moderate levels in November. For those looking to plan outdoor activities in Jiangning, it's essential to stay informed about these UV trends. More details can be found at Jiangning UV Index.

Maximum UV Index Levels in Jiangning for September

The chart shows the monthly maximum UV Index (UVI) for Jiangning 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 Jiangning typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101011111110854
Data source: Jiangning 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 Jiangning

As summer fades into autumn, September Sunshine in Jiangning, China, offers a delightful transition marked by 256 hours of sunshine. This month sits comfortably between the lingering warmth of August, which boasts 295 hours, and the cooler, shorter days of October with 232 hours. The steady pattern of increasing sunlight from January through July culminates in August's peak, after which September's sunshine gently tapers but still provides a generous glow. The overall trend highlights a vibrant summer, leading into an autumn that maintains a respectable amount of light, inviting locals and visitors alike to savor the lingering warmth before the chill sets in. The continued abundance of sunshine in September serves as a gentle reminder of nature’s rhythm, effortlessly bridging the gap between seasons.

Monthly Sunshine Duration in Jiangning: September Highlighted

The September sunshine duration represents the total number of hours Jiangning 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.
JanFebMarAprMayJunJulAugSepOctNovDec156h211h234h244h281h276h292h295h256h232h224h217h
Data source: Jiangning September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiangning During September

In Jiangning, China, September marks a notable uptick in sunny weather, boasting a 51% chance of sunshine that stands out among the months of the year. As summer transitions to autumn, this period offers a delightful reprieve from the relatively gloomy summer months, where the chances of sun dip as low as 23% in July. Interestingly, September is positioned nicely between the summer's end and the onset of autumn, showcasing a trend where the likelihood of sunshine begins to rise again, surpassing previous months like March and April, which have much lower sun probabilities. This increase not only enhances outdoor activities but also signifies a promising shift in the weather patterns, making September an appealing time for residents and visitors alike to enjoy Jiangning's charms under brighter skies.

Percentage of Sunny Days in September in Jiangning

The chart illustrates the percentage of sunny days in Jiangning 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 Jiangning experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%44%26%27%28%28%23%36%51%42%61%69%
Data source: Jiangning September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiangning in September

In September, Jiangning, China experiences a gentle transition towards autumn, with daylight lasting approximately 12 hours. This month marks a subtle decline from the bright 14 hours of sunlight found in June, reflecting the gradual shift in seasons. Following the vibrant summer days, September offers a balanced blend of light, allowing for ample time to enjoy outdoor activities before the shortening days of October bring just 11 hours of daylight. As the year progresses, daylight duration ebbs and flows, peaking in the summer months before receding into the familiar rhythm of fall and winter, where sunlight becomes a treasured commodity.

Average Daylight Hours in Jiangning for September

The chart illustrates the variation in daylight duration in Jiangning throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 19m11h 2m11h 59m12h 57m13h 46m14h 10m13h 57m13h 15m12h 19m11h 22m10h 31m10h 6m
Data source: Jiangning daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jiangning

As September arrives in Jiangning, the wind whispers at an average speed of 2.9 m/s (6 mph), gently signaling a shift from the summer's warmer breezes. This month mirrors the breath of October, hinting at a serene transition as autumn approaches. Throughout the year, wind speeds have shown a gradual fluctuation; noticeably, May and June exhibit the calmest conditions with the lowest averages, while February and July experience lively gusts at 3.4 m/s (8 mph). Overall, September's winds are a gentle reminder of nature's rhythm, following a pattern where cooler months tend to stabilize around 2.9 m/s, enriching the atmosphere with a serene, flowing breeze.

Average September Wind Speed in Jiangning

The chart displays monthly wind speed patterns in Jiangning, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.43.12.92.82.53.42.52.9 m/s2.93.02.6
Data source: Jiangning September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jiangning Compares to Other Months

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

September and January present stark contrasts in weather patterns. In September, temperatures range from a mild 15°C (60°F) at night to a hot 36°C (97°F) during the day, with an average temperature of 25°C (76°F). This month is characterized by relatively high humidity at 75% and considerable rainfall, measuring 87 mm (3.4 in) over 11 days. In contrast, January experiences a much cooler climate, with temperatures dipping as low as -9°C (17°F) at night, an average of 4°C (40°F), and a maximum of 18°C (65°F). Precipitation is reduced to 57 mm (2.2 in) over 8 days, with humidity slightly lower at 70%. For more detailed insights, you can check Jiangning weather in January.

In September, the weather is warm and inviting, with temperatures ranging from a comfortable 15°C (60°F) to a sweltering 36°C (97°F), and an average temperature of 25°C (76°F). The month experiences significant rainfall, totaling 87 mm (3.4 in) over approximately 11 days, while humidity hovers around 75%. In contrast, February presents a much cooler climate, where temperatures dip to a minimum of -11°C (12°F) and can reach a maximum of 26°C (79°F), with an average of only 6°C (43°F). Precipitation is lighter at 56 mm (2.2 in) over 8 days, and humidity remains slightly lower at 73%. For more details on February weather, you can check Jiangning weather in February.

September and March present contrasting weather patterns. In September, temperatures are much warmer, with a minimum of 15°C (60°F) and an average high reaching up to 36°C (97°F), while March experiences cooler temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 29°C (84°F). Precipitation levels are fairly comparable, with September receiving 87 mm (3.4 in) over 11 days and March slightly less at 75 mm (3.0 in) over 10 days. Additionally, the humidity in March is higher at 82%, compared to 75% in September, making March feel more humid and crisp. For a detailed look at March weather specifically, you can visit Jiangning weather in March.

In September, the weather tends to be warmer with average temperatures around 25°C (76°F) and a maximum reaching as high as 36°C (97°F), while April is cooler, with an average temperature of 17°C (63°F) and a maximum of 32°C (90°F). Although both months experience some rainfall, September receives slightly more precipitation at 87 mm (3.4 in) compared to April’s 73 mm (2.9 in), and September also has a higher humidity level at 75% versus April's 86%. The number of rainy days is similar, with September having rain on 11 days and April on 9 days. For more details on the April weather, you can check Jiangning weather in April.

In September, temperatures typically range from a minimum of 15°C (60°F) to a maximum of 36°C (97°F), with an average temperature of 25°C (76°F). This month sees an average precipitation of 87 mm (3.4 in) over 11 days and a relative humidity of 75%. In contrast, May experiences slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 35°C (95°F), resulting in an average of 22°C (72°F). However, May is wetter, with total precipitation reaching 148 mm (5.8 in) across 10 days and a higher humidity level of 85%. For more detailed information, you can check Jiangning weather in May.

In comparing the weather of September and June, both months experience similar maximum temperatures, reaching up to 36°C (97°F). However, June tends to be slightly warmer overall, with an average temperature of 26°C (78°F), compared to September's average of 25°C (76°F). Precipitation is notably higher in June, with 177 mm (7.0 in) of rainfall over 10 days, contrasted by September's 87 mm (3.4 in) spread across 11 days. Additionally, humidity levels are higher in June at 85%, while September sees a relatively drier 75%. For more details on the weather specifics in June, visit Jiangning weather in June.

September typically experiences milder temperatures compared to July, with minimums around 15°C (60°F) and an average of 25°C (76°F), while July boasts minimums of 20°C (68°F) and an average of 28°C (83°F). Additionally, September has a maximum temperature of 36°C (97°F), which, although still warm, is slightly lower than July’s peak of 39°C (102°F). Precipitation is significantly higher in July, with 240 mm (9.5 in) falling over 17 days, compared to September's 87 mm (3.4 in) across 11 days, indicating that July is not only hotter but also considerably wetter. The humidity is also higher in July at 90%, compared to September's 75%. For more detailed information, you can refer to Jiangning weather in July.

September generally brings a slight decrease in temperature compared to August, with minimums dropping from 21°C (71°F) to 15°C (60°F) and average temperatures declining from 29°C (84°F) to 25°C (76°F). While September features a maximum temperature of 36°C (97°F), it remains cooler than August's peak of 37°C (99°F). The humidity in September is somewhat lower at 75%, compared to August's higher 88%, contributing to a more comfortable feel during the day. Precipitation also sees a reduction, with September receiving 87 mm (3.4 in) over 11 days, contrasted with August's heavier rainfall of 200 mm (7.9 in) over 13 days. For a more in-depth look at the weather trends, you can check Jiangning weather in August.

September and October exhibit a noticeable transition in weather patterns. In September, temperatures range from a mild minimum of 15°C (60°F) to a warm average of 25°C (76°F), peaking at a high of 36°C (97°F). The month also sees considerable precipitation, totaling 87 mm (3.4 in) across 11 days, accompanied by a humidity level of 75%. In contrast, October brings a drop in the minimum temperature to 7°C (45°F) and an average of 18°C (65°F), although it can still reach a high of 36°C (98°F). Rainfall decreases to 57 mm (2.2 in) over just 6 days, with humidity rising slightly to 76%. For more detailed information, you can check the Jiangning weather in October.

September and November present contrasting weather patterns. September boasts warmer temperatures, with a minimum of 15°C (60°F) and an average high of 36°C (97°F), alongside notable humidity at 75%. It experiences 87 mm (3.4 in) of precipitation over 11 days, making it a month prone to rain. In contrast, November ushers in cooler conditions, featuring a minimum of 1°C (33°F) and an average high of 28°C (82°F). It is drier, receiving only 44 mm (1.7 in) of precipitation over 6 days, while humidity rises slightly to 84%. For more detailed information about the weather in November, you can visit Jiangning weather in November.

September and December present starkly contrasting weather conditions. In September, temperatures range from a pleasant minimum of 15°C (60°F) to a scorching maximum of 36°C (97°F), with an average of 25°C (76°F). The month is relatively humid with a humidity level of 75% and sees about 87 mm (3.4 in) of precipitation over 11 days, making it a lively and warm period.

Conversely, December experiences much colder weather, with temperatures plunging to a minimum of -6°C (21°F) and a more moderate maximum of 20°C (68°F), yielding an average of only 6°C (43°F). Despite experiencing lower precipitation at 41 mm (1.6 in) over just 7 days, December maintains a similar humidity of 77%. This shift from warm and humid September to the cold and crisp December illustrates the significant seasonal changes. For more insights on December weather, you can refer to Jiangning weather in December.

Compare Jiangning's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jiangning

September in Jiangning marks a delightful transition as the oppressive summer heat begins to wane, setting the stage for a more comfortable climate. With average temperatures settling around a pleasant 25°C (76°F), this month offers a refreshing break complemented by elevated humidity levels of 75% that lend a warm, tropical feel to the air. While rainfall exists, with about 11 days of precipitation totaling 87 mm, it serves to rejuvenate the lush landscapes rather than dampen the spirit. In contrast to other months, September embraces a moderate climate that invites outdoor activities and exploration. For a deeper dive into the overall weather patterns in the area, check out Jiangning Climate.