September Weather in Jianshui, China

Last updated: August 21, 2025

In September, Jianshui, China experiences a delightful transition into autumn, characterized by an average temperature of 21°C (71°F), reaching a maximum of 30°C (87°F) and dipping to a comfortable minimum of 13°C (55°F). This month is marked by high humidity levels at 87%, creating a lush atmosphere that complements the vibrant landscapes. Rain is a frequent guest, with 177 mm (7.0 in) of precipitation spread over 25 days, adding to the region’s charm while providing essential moisture for the local flora. Visitors can expect a blend of mild warmth and refreshing downpours, making September a unique time to explore Jianshui's natural beauty and cultural richness.

September Temperature in Jianshui

In September, Jianshui experiences a pleasant transition into autumn, with temperatures reflecting the changing season. The minimum temperature gently rises to 13°C (55°F), while the average settles at a comfortable 21°C (71°F), offering a reprieve from the summer heat. With a maximum reaching 30°C (87°F), this month marks a sweet spot of warmth, making it ideal for outdoor exploration. As September progresses, the weather begins to cool, contrasting with the sweltering highs of summer, and setting the stage for the cooler months ahead. This gradual shift not only enhances the stunning landscapes of Jianshui but also invites visitors to enjoy the region’s cultural richness in milder weather.

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

The chart illustrates September temperature patterns in Jianshui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jianshui, 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).
JanFebMarAprMayJunJulAugSepOctNovDec535663677173727270666054
Data source: Temperature data for Jianshui 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 Jianshui

In September, Jianshui experiences a notable shift in precipitation, with 177 mm (7.0 in) of rainfall recorded over 25 days. This month marks a considerable decrease from the intense summer months of July and August, which saw heavier downpours of 332 mm and 315 mm respectively. September’s rainfall, while substantial, heralds the transition from the monsoon season, as the region begins to taper off its wettest weather. As the days grow shorter and temperatures cool, the rainfall serves to rejuvenate the lush landscapes, reflecting a seasonal rhythm that balances both moisture and sunshine in this vibrant part of China.

September Precipitation Trends in Jianshui

The chart displays monthly precipitation patterns in Jianshui, 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 Jianshui, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec66424887932603323151771518258
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jianshui

In September, Jianshui experiences a notable humidity level of 87%, which is indicative of the lingering warmth and moisture from the summer months. This is slightly lower than the peak of 90% reached in August, yet it still marks a significant increase compared to the drier conditions of the early part of the year, where humidity dipped to 44% in both March and April. Following September, humidity gradually decreases, but it consistently remains above 80% through October and November, creating a humid backdrop that transitions into the cooler months. As the climate shifts, the rich, damp atmosphere of September sets the stage for the vibrant lushness characteristic of Jianshui's natural beauty.

September Average Humidity in Jianshui

This chart illustrates the average monthly humidity levels in Jianshui, 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 Jianshui is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%44%44%62%82%89%90%87%81%82%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jianshui

September in Jianshui, China, continues a pattern of extreme sun exposure, boasting a UV Index of 14 and a burn time of just 10 minutes. This month mirrors the intensity of August, both reflecting the peak of the summer season when protective measures are essential. Interestingly, the UV Index has remained consistently high throughout the year, peaking at 16 in July and staying above 10 from March to October. As the year progresses, residents and visitors alike should be vigilant, as these extreme UV levels necessitate adequate sun protection to avoid harmful effects. For more insights on UV levels in Jianshui, visit Jianshui UV Index.

Maximum UV Index Levels in Jianshui for September

The chart shows the monthly maximum UV Index (UVI) for Jianshui 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 Jianshui typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec89111315141614141297
Data source: Jianshui 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 Jianshui

As summer gives way to autumn, September in Jianshui, China, continues to bask in a generous 285 hours of sunshine, maintaining a vibrant warmth that's characteristic of the late summer months. Following the peak of 330 hours in both May and March, the sun's presence slightly wanes, yet it remains consistently bright compared to the earlier months of the year. This trend reflects a smooth transition into fall, as sunshine hours begin to drop gradually, with October forecasted to bring 257 hours. Overall, September stands out as a delightful month, offering a blend of warmth and light that invites outdoor exploration before the cooler days set in.

Monthly Sunshine Duration in Jianshui: September Highlighted

The September sunshine duration represents the total number of hours Jianshui 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.
JanFebMarAprMayJunJulAugSepOctNovDec231h274h330h303h330h287h264h289h285h257h282h287h
Data source: Jianshui September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jianshui During September

In September, Jianshui, China, experiences a moderate 29% chance of sunny weather, marking a slight uptick from the sun-starved summer months of June through August, which see chances plummet to as low as 11%. While September does not boast the sunniest skies, it offers a welcome transition from the oppressive heat and humidity of summer, making it a more favorable time for outdoor activities compared to the peak months. The fall months generally bring an improvement, as seen in October and November, which exhibit increased chances of sunshine at 21% and 35%, respectively. Thus, while September may not shine with the brightest sun, it does hint at a shift towards clearer, more pleasant weather as the year progresses.

Percentage of Sunny Days in September in Jianshui

The chart illustrates the percentage of sunny days in Jianshui 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 Jianshui experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%69%75%62%44%15%11%13%29%21%35%40%
Data source: Jianshui September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jianshui in September

As summer fades into autumn, September in Jianshui, China experiences a gentle transition with a daylight duration of 12 hours. This month follows the peak of summer, where June to August bask in a brilliant 13 hours of daylight. Significantly, September marks a return to a more balanced daylight period akin to the spring months of March and April. While the days begin to shorten, the lingering warmth of late summer still illuminates the landscape, creating a harmonious blend of daylight that invites outdoor activities and appreciation of nature. As the year progresses, the rhythm of daylight slowly waltzes towards the shorter days of autumn and winter, most notably dipping to 10 hours by December, emphasizing the cyclical beauty of Jianshui's seasons.

Average Daylight Hours in Jianshui for September

The chart illustrates the variation in daylight duration in Jianshui throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 48m11h 19m12h12h 43m13h 18m13h 35m13h 27m12h 56m12h 15m11h 33m10h 57m10h 38m
Data source: Jianshui daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Jianshui

As September arrives in Jianshui, China, the landscape feels the gentle caress of the wind, with average speeds dropping to 1.0 m/s (2 mph). This marks the culmination of a steady decline in wind intensity that began in June, where breezes were already losing their vigor. The transition from the lively winds of spring, peaking at 2.3 m/s (5 mph) in March, to the soft whispers of September suggests a shift towards the calmness of autumn. With these decreasing trends, September not only ushers in a more tranquil atmosphere but also invites reflection and appreciation for the serene beauty of this enchanting region. As locals embrace the slower pace, the light breeze serves as a reminder of the changing seasons and the peaceful moments they bring.

Average September Wind Speed in Jianshui

The chart displays monthly wind speed patterns in Jianshui, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.82.32.01.91.31.21.11.0 m/s1.21.31.2
Data source: Jianshui September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Jianshui Compares to Other Months

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

September and January present contrasting weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 30°C (87°F), with an average of 21°C (71°F). The month is characterized by high humidity at 87% and considerable precipitation, totaling 177 mm (7.0 in) over 25 days. In stark contrast, January features much cooler weather, with temperatures dropping to a minimum of 2°C (35°F) and peaking at 23°C (74°F), averaging 12°C (54°F). This winter month is significantly drier, receiving only 66 mm (2.6 in) of precipitation across just 7 days and a lower humidity of 58%. For more detailed information on January weather, you can refer to Jianshui weather in January.

September and February present two strikingly distinct weather patterns. In September, temperatures in Jianshui range from a cool 13°C (55°F) at night to a warm 30°C (87°F) during the day, with an average temperature of 21°C (71°F). This month experiences considerable rainfall, with 177 mm (7.0 in) over 25 days, resulting in a high humidity level of 87%. In contrast, February offers a much cooler climate, with minimum temperatures dropping to 2°C (36°F) and an average of 13°C (56°F). While daytime highs can reach 25°C (77°F), the month sees significantly less precipitation, totaling just 42 mm (1.7 in) over 6 days, and a lower humidity level of 65%. For more information, you can check out Jianshui weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 30°C (87°F), with an average of 21°C (71°F). The month is characterized by high humidity at 87% and substantial precipitation, totaling 177 mm (7.0 in) over 25 days. In contrast, March features cooler temperatures, with a minimum of 4°C (40°F) and an average of 17°C (64°F), peaking at 31°C (89°F). This month sees significantly lower precipitation at 48 mm (1.9 in) spread across just 6 days, along with a much drier humidity level of 44%. For a detailed overview of March weather, you can check out Jianshui weather in March.

When comparing the weather in September and April, notable differences emerge in temperature, precipitation, and humidity levels. September typically sees temperatures ranging from a minimum of 13°C (55°F) to a maximum of 30°C (87°F), with an average of 21°C (71°F). However, it is also characterized by significant rainfall, accumulating to 177 mm (7.0 in) over 25 days, coupled with high humidity at 87%. In contrast, April experiences milder conditions, with temperatures from 7°C (44°F) to a peak of 34°C (93°F), averaging 19°C (67°F). Precipitation is considerably lower at 87 mm (3.4 in) spread over just 9 days, and the humidity is much more manageable at 44%. For a detailed look at what to expect, you can check out Jianshui weather in April.

In comparing September and May, one can observe distinct differences in weather patterns. September generally offers a wider temperature range, with minimums averaging around 13°C (55°F) and maximums reaching up to 30°C (87°F). In contrast, May presents slightly warmer conditions, with minimum temperatures around 12°C (53°F) but can soar to a maximum of 35°C (96°F).

Precipitation levels also vary significantly; September experiences more rainfall, totaling 177 mm (7.0 in) over 25 days, while May averages only 93 mm (3.7 in) over just 11 days. Furthermore, the humidity in September is noticeably higher at 87%, compared to May's more comfortable 62%. For more detailed insights into May's weather, you can explore Jianshui weather in May.

When comparing the weather in September and June, several notable differences emerge. September typically sees a wider range of temperatures, with a minimum of 13°C (55°F) and a maximum of 30°C (87°F), yielding an average of 21°C (71°F). In contrast, June is warmer, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (90°F), resulting in an average of 23°C (73°F). Additionally, June experiences more precipitation, totaling 260 mm (10.2 in) over 25 days, compared to September's 177 mm (7.0 in) also spread over 25 days. While both months maintain high humidity levels, September has slightly higher humidity at 87% compared to June's 82%. For detailed insights on June weather conditions, you can visit Jianshui weather in June.

In comparing the weather of September and July, both months exhibit warm temperatures, with July having a slightly higher average of 22°C (72°F) compared to September's 21°C (71°F). Interestingly, both months reach the same maximum of 30°C (87°F), indicating that heat is consistent throughout the summer. However, July is significantly wetter, receiving 332 mm (13.1 in) of rain across 29 days, while September sees a total of 177 mm (7.0 in) over 25 days. Humidity levels are also noticeably high in both months, with July at 89% and September at 87%. For a more detailed look at July weather, you can check Jianshui weather in July.

In comparing the weather of September and August, we see notable differences in both temperature and precipitation. September features a wider temperature range, with minimums around 13°C (55°F) and maximums reaching up to 30°C (87°F), resulting in an average temperature of 21°C (71°F). In contrast, August is generally warmer, with minimums at 17°C (62°F) and maximums hitting 32°C (89°F), yielding an average of 22°C (72°F).

When it comes to precipitation, September experiences 177 mm (7.0 in) over 25 days, while August receives significantly more, totaling 315 mm (12.4 in) over 28 days, indicating a wetter month overall. Humidity levels are quite similar, with September at 87% and August slightly higher at 90%. For more detailed information, you can refer to Jianshui weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 13°C (55°F) to a maximum of 30°C (87°F), with an average of 21°C (71°F), creating a warm atmosphere. The month also experiences significant rainfall, totaling 177 mm (7.0 in) over 25 days and maintaining high humidity levels at 87%. In contrast, October presents slightly cooler temperatures, with a minimum of 10°C (50°F) and an average of 19°C (66°F), peaking at 29°C (84°F). Precipitation decreases to 151 mm (5.9 in) over 21 days, while humidity drops to 81%. For a closer look at the specific weather trends in this region, you can refer to Jianshui weather in October.

September and November present a notable contrast in weather conditions. In September, the temperatures are generally warmer, with averages around 21°C (71°F) and maximums reaching up to 30°C (87°F). The month is also characterized by high humidity levels at 87% and significant precipitation, totaling 177 mm (7.0 in) over 25 days. In comparison, November brings cooler temperatures, with an average of 16°C (60°F) and maximums of 26°C (80°F). Additionally, November experiences much less rainfall, accumulating only 82 mm (3.2 in) over 12 days, and a slightly lower humidity of 82%. For more specific insights into November weather, you can visit Jianshui weather in November.

In September, the weather is significantly warmer, with average temperatures reaching 21°C (71°F) and maximums peaking at 30°C (87°F). This month experiences high humidity at 87% and considerable rainfall, with 177 mm (7.0 in) of precipitation over 25 days. In contrast, December brings a much cooler climate, with average temperatures dropping to 12°C (54°F) and maximums at 23°C (74°F). Precipitation is considerably lower at 58 mm (2.3 in), occurring over just 7 days, and humidity decreases to 73%. For more detailed information, you can check Jianshui weather in December.

Compare Jianshui's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Jianshui

As September rolls in, Jianshui's weather paints a unique picture that diverges from the drier months preceding it. The average temperature remains comfortably warm, yet the high humidity levels, often peaking around 87%, combined with frequent rainfall, create a muggy atmosphere. With 25 days of rain accumulating to 177 mm, this month marks a significant shift toward the wetter end of Jianshui's climate spectrum. While temperatures can reach a pleasant 30°C, the overwhelming presence of moisture transforms the landscape into a vibrant canvas of greenery. For a more comprehensive understanding of Jianshui's seasonal variations, explore Jianshui Climate.