September Weather in Yixing, China

Last updated: August 21, 2025

September in Yixing, China, offers a delightful transition into autumn, featuring daily temperatures ranging from a comfortable 5°C (41°F) at night to a warm 28°C (82°F) during the day. As the month unfolds, the average temperature settles at 15°C (60°F), making it a pleasant time for outdoor activities. While the city experiences approximately 81 mm (3.2 in) of rain spread over 9 days, this precipitation supports the lush, green landscapes that Yixing is known for. With humidity levels around 58%, visitors can enjoy the invigorating air amidst the rich natural beauty and cultural heritage that enhance this captivating season.

September Temperature in Yixing

In September, Yixing, China experiences a gentle transition from the warm summer months to the crispness of autumn. With minimum temperatures averaging around 5°C (41°F) and maximums reaching 28°C (82°F), the climate remains pleasantly mild. The average temperature settles at 15°C (60°F), making it an ideal time for outdoor activities. As the days grow shorter and the heat wanes, the falling temperatures mark a significant shift from the sweltering summer, bringing about a refreshing change that invites both locals and visitors to enjoy the beauty of the season.

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

The chart illustrates September temperature patterns in Yixing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yixing, 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).
JanFebMarAprMayJunJulAugSepOctNovDec222839485966696759473624
Data source: Temperature data for Yixing 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 Yixing

In Yixing, China, September marks a shift in the region's meteorological rhythm, featuring an average precipitation of 81 mm (3.2 in) over 9 days. This amount reflects a notable decrease from the heavily rain-soaked months of July and August, which each reported significantly higher totals of 217 mm (8.5 in) and 130 mm (5.1 in), respectively. As summer wanes, the rainfall in September suggests a transitional phase, setting the stage for the drier autumn months ahead. This pattern signals a gradual decline in precipitation, with October following closely behind at 69 mm (2.7 in), and a hint of coolness in the air as the season shifts, promising a refreshing change for the region.

September Precipitation Trends in Yixing

The chart displays monthly precipitation patterns in Yixing, 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 Yixing, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec79254650702171308169195
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yixing

In September, Yixing, China experiences a drop in humidity to 58%, which marks a slight decrease from the peak levels of July and August. This month serves as a transition, as the heavier, tropical humidity that characterizes the summer begins to ease, paving the way for a more comfortable atmosphere. Following a gradual rise from the colder months of January through April, where humidity levels increase steadily from 44% to 69%, the trend in September indicates a temporary reprieve before the humidity creeps upward again in October. Overall, September’s climate reflects a harmonious balance, blending the residual warmth of summer with the forthcoming coolness of autumn.

September Average Humidity in Yixing

This chart illustrates the average monthly humidity levels in Yixing, 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 Yixing is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec44%50%58%69%58%64%72%70%58%68%69%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yixing

In September, Yixing experiences a UV Index of 9, indicating a very high exposure category with a burn time of just 15 minutes. As summer transitions to autumn, the UV levels remain significant, following a peak of 11 in July and August, and tapering off slightly as the months progress. This trend showcases the importance of sun protection even in early fall, as UV rays can still cause damage to the skin. With the balance between summer intensity and the onset of cooler weather, it’s essential to stay vigilant about UV exposure during this time. For more information, visit Yixing UV Index.

Maximum UV Index Levels in Yixing for September

The chart shows the monthly maximum UV Index (UVI) for Yixing 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 Yixing typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109743
Data source: Yixing 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 Yixing

September in Yixing, China, enjoys a delightful 263 hours of sunshine, marking a gentle transition into autumn. As summer fades, the sunlight decreases from the peak of 332 hours in May, showcasing a clear trend of diminishing daylight hours as the year progresses. The month stands out as a noticeable drop from August's 305 hours, yet remains bright enough to capture the essence of early fall. Following the vibrant summer months, September's warmth lingers, offering just enough sunshine to bask in nature's beauty before the shorter days of October set in. Overall, September perfectly encapsulates the mix of warmth and approaching coolness as the region transitions into a new season.

Monthly Sunshine Duration in Yixing: September Highlighted

The September sunshine duration represents the total number of hours Yixing 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.
JanFebMarAprMayJunJulAugSepOctNovDec212h260h296h284h332h311h313h305h263h251h250h259h
Data source: Yixing September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yixing During September

In Yixing, China, the likelihood of sunny weather in September sits at 40%, marking a noticeable dip from the vibrant winter months of January and November, where clear skies reign with 72% and 73% chances, respectively. As summer wanes, the sunshine probability in September is slightly lower than in August and July; however, it shows a modest recovery compared to the rainy spring months of April and May. This subtle fluctuation in sunshine suggests that while September may not offer the sun-soaked days seen earlier in the year, it still holds potential for pleasant outings amid the transitional beauty of early autumn.

Percentage of Sunny Days in September in Yixing

The chart illustrates the percentage of sunny days in Yixing 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 Yixing experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec73%61%44%42%57%42%34%39%40%41%73%70%
Data source: Yixing September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yixing in September

As summer fades, September in Yixing, China brings a gentle transition with an average daylight duration of 12 hours. Following three months of consistent 14-hour days, the sunlight begins to wane, signaling the approach of autumn. This month acts as a bridge, gently dipping from the summer peak while still offering ample daylight for outdoor activities. As we move into October, daylight continues to decrease, reflecting a trend of shorter days in the cooler months ahead. The gradual ebb of sunlight is a reminder of nature's rhythms, as the vibrant warmth of summer gives way to the crispness of fall.

Average Daylight Hours in Yixing for September

The chart illustrates the variation in daylight duration in Yixing throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 53m10h 47m11h 57m13h 9m14h 10m14h 40m14h 25m13h 32m12h 23m11h 12m10h 9m9h 37m
Data source: Yixing daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yixing

As September rolls into Yixing, China, the average wind speed dips to 2.4 m/s (5 mph), mirroring the gentle breezes typical of the summer months. This subtle decrease continues the trend observed throughout the warmer season, where wind speeds consistently lingered around the 2 to 3 m/s mark from June to August. Notably, September's calmness serves as a serene transition, paving the way for the slightly brisker winds that emerge in October, teasing the coolness of autumn ahead. The cooling air and softer winds create a delightful ambiance, making this time ideal for enjoying the natural beauty and tranquility of Yixing.

Average September Wind Speed in Yixing

The chart displays monthly wind speed patterns in Yixing, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.83.32.73.23.52.42.32.22.4 m/s2.33.32.9
Data source: Yixing September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Yixing Compares to Other Months

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

In September, the weather presents a warm and pleasant atmosphere, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 28°C (82°F) and an average temperature of 15°C (60°F). The month sees moderate rainfall, with about 81 mm (3.2 in) of precipitation across 9 days, contributing to a humidity level of 58%. In stark contrast, January brings frigid conditions, where temperatures can plummet to a minimum of -25°C (-12°F) and only reach a maximum of 8°C (46°F), with an average of -5°C (22°F). This month experiences significantly less precipitation, totaling 7 mm (0.3 in) over just 2 days and a lower humidity level of 44%. For more detailed information, you can refer to Yixing weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a cool 5°C (41°F) at night to a warm 28°C (82°F) during the day, averaging around 15°C (60°F). This month experiences a moderate amount of rainfall, with 81 mm (3.2 in) of precipitation over about 9 days and a humidity level of 58%. In contrast, February brings much colder temperatures, starting from a frigid minimum of -19°C (-2°F) to a mild maximum of 17°C (62°F), with an average temperature of -2°C (28°F). Precipitation is significantly lower at just 9 mm (0.3 in), occurring over only 2 days, and humidity drops to 50%. For a closer look at February conditions, check out Yixing weather in February.

Comparing the weather in September and March reveals a striking contrast in temperatures and precipitation. In September, temperatures range from a minimum of 5°C (41°F) to a comfortable average of 15°C (60°F), peaking at a warm 28°C (82°F). This month also experiences relatively high precipitation at 81 mm (3.2 in) over about 9 days. In contrast, March is considerably cooler, with temperatures ranging from a minimum of -7°C (20°F) to an average of 4°C (40°F) and a maximum of 22°C (71°F). March has significantly less rainfall, totaling only 25 mm (1.0 in) over approximately 5 days. Both months share a humidity level of 58%, adding to the overall weather experience. For more detailed insights into March weather, check out Yixing weather in March.

September weather tends to be warmer and more stable compared to April. With average temperatures ranging from a low of 5°C (41°F) to a high of 28°C (82°F), September enjoys a milder climate, while April experiences chillier conditions, where temperatures can drop as low as -6°C (21°F) and peak at 25°C (78°F). Additionally, September sees more rainfall, with an average precipitation of 81 mm (3.2 in) over 9 days, compared to April's 46 mm (1.8 in) spread over just 7 days. Humidity is also higher in April at 69%, making it feel cooler than the average 58% humidity in September. For a detailed look at April weather in Yixing, visit Yixing weather in April.

In comparing the weather of September and May, both months feature similar average temperatures, hovering around 15°C (59°F). However, September tends to experience warmer maximum temperatures, reaching up to 28°C (82°F), while May can peak at 30°C (86°F). Precipitation is more frequent in September, with 81 mm (3.2 in) falling over 9 days, compared to 50 mm (2.0 in) over 7 days in May. Interestingly, both months share the same humidity level of 58%, creating a relatively consistent moisture content in the air. For detailed insights, you can check the Yixing weather in May.

When comparing the weather in September and June, there are notable differences in both temperature and precipitation. September typically features a temperature range with a minimum of 5°C (41°F) and a maximum of 28°C (82°F), resulting in a comfortable average temperature of 15°C (60°F). In contrast, June is warmer, with minimum temperatures of 7°C (45°F) and maximums reaching 31°C (87°F), leading to an average of 19°C (66°F).

Precipitation is another key difference; September receives approximately 81 mm (3.2 in) over about 9 days, while June has slightly less rain at 70 mm (2.8 in) but spreads it over 11 days, contributing to a higher humidity level of 64%. For a detailed look at June weather conditions in a specific locale, you can refer to Yixing weather in June.

In comparing the weather between September and July, a noticeable difference in temperatures and precipitation patterns emerges. September experiences milder conditions with minimum temperatures around 5°C (41°F) and average highs reaching 28°C (82°F), while July is significantly warmer, with minimums of 11°C (52°F) and maximums soaring up to 32°C (89°F). Additionally, September is wetter but less humid, receiving about 81 mm (3.2 in) of precipitation over 9 days, compared to July's much higher rainfall of 217 mm (8.5 in) spread over 20 days and a humidity level of 72%. For a more detailed look at July's weather, you can check Yixing weather in July.

In comparing the weather between September and August, it’s clear that September experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 15°C (60°F), compared to August's minimum of 10°C (51°F) and an average of 20°C (68°F). Additionally, September's maximum temperature of 28°C (82°F) is noticeably lower than August's peak of 31°C (88°F). While September has less rainfall, totaling 81 mm (3.2 in) over 9 days, August sees a higher precipitation level of 130 mm (5.1 in) across 16 days. Furthermore, with September's humidity at 58%, it is generally less humid than August's 70%. For a detailed look at August weather, you can also check Yixing weather in August.

September brings warmer temperatures, with a minimum of 5°C (41°F) and a comfortable average of 15°C (60°F), peaking at a maximum of 28°C (82°F). It also experiences moderate precipitation of 81 mm (3.2 in) over 9 days, accompanied by 58% humidity. In contrast, October sees a notable drop in temperatures, with a minimum of -3°C (27°F) and an average of 8°C (47°F), reaching a maximum of 23°C (74°F). While precipitation decreases slightly to 69 mm (2.7 in) over 8 days, the humidity rises to 68%. For a closer look at October weather specifics, check Yixing weather in October.

September and November present stark contrasts in weather conditions. September typically enjoys a mild climate, with average temperatures ranging from a cool 5°C (41°F) at night to a pleasant 28°C (82°F) during the day, supported by relatively high humidity at 58%. However, it also experiences considerable rainfall, averaging 81 mm over about 9 days. In contrast, November brings a much colder atmosphere, with temperatures dipping to a minimum of -11°C (13°F) and averaging just 2°C (36°F). Interestingly, it has significantly lower precipitation, with only 19 mm over about 4 days, although humidity rises to 69%. For more details on November weather, you can check out Yixing weather in November.

September and December showcase stark contrasts in weather. In September, temperatures range from a mild 5°C (41°F) at night to a warm 28°C (82°F) during the day, with an average of 15°C (60°F). The month sees a fair amount of rainfall, accumulating 81 mm (3.2 in) over 9 days, while humidity sits at 58%. In contrast, December experiences chilling cold, with temperatures plummeting to a minimum of -21°C (-6°F) and averaging -4°C (25°F), only reaching a maximum of 9°C (48°F). Precipitation is scarce, totaling just 5 mm (0.2 in) over 2 days, and humidity rises slightly to 60%. For more specific insights on December weather, you can check out Yixing weather in December.

Compare Yixing's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Yixing

As September unfolds in Yixing, the weather marks a transition from the warmth of summer to the crispness of early autumn. With temperatures averaging a comfortable 15°C, the days are pleasantly mild, making it a delightful time for outdoor activities. However, occasional rainfall, with 81 mm falling over nine days, adds a refreshing touch to the landscape. The humidity sits at a manageable 58%, creating a slightly moist atmosphere that contrasts with the drier summer months. This shift in climate not only enhances the natural beauty of Yixing but also invites visitors to experience the serene charm of the season. For a deeper look into the climate patterns, check out Yixing Climate.