September Weather in Shichuan, China

Last updated: August 21, 2025

In September, Shichuan, China experiences a dynamic weather pattern characterized by a maximum temperature soaring to 38°C (101°F) and an average temperature of 24°C (76°F). While early autumn brings a drop in the minimum temperature to 17°C (62°F), the region is still enveloped by a high humidity level of 84%. This month sees 177 mm (7.0 in) of rainfall spread over 17 days, making it a month of considerable precipitation that contributes to the lush greenery typical of this area. Whether you're a traveler or a local, September's weather in Shichuan offers a blend of warmth and moisture, inviting diverse experiences amidst its vibrant landscape.

September Temperature in Shichuan

September in Sichuan, China marks a subtle transition as the heat of summer begins to wane. With minimum temperatures around 17°C (62°F) and daytime averages climbing to a pleasant 24°C (76°F), it provides a comfortable backdrop for outdoor activities. The month can still be quite warm, with highs reaching 38°C (101°F), reminiscent of the scorching summer months, yet it hints at the upcoming cooler autumn days. This gradual cooling trend sets the scene for October's further drop, making September a perfect time to explore Sichuan's natural beauty while enjoying the lingering warmth of late summer.

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

The chart illustrates September temperature patterns in Shichuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shichuan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec475059667277838576655749
Data source: Temperature data for Shichuan 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 Shichuan

In September, Shichuan, China experiences a notable peak in precipitation, accumulating 177 mm (7.0 in) over 17 days, marking a shift towards the wetter autumn months. This surge follows a consistently humid summer, characterized by heavy rainfall in July and August, with 175 mm (6.9 in) and 134 mm (5.3 in) respectively. Interestingly, September's rainfall maintains a steady rhythm with the same number of rainy days as June, hinting at a transitional climate, while also hinting that the monsoon effects linger, promising lush landscapes ahead. As the month progresses, it prepares the area for the gradual decline in precipitation that follows in October, which sees 122 mm (4.8 in) over a similar number of days. The pattern beautifully illustrates the ebb and flow of seasonal rains, essential for sustaining Shichuan's rich agricultural backdrop.

September Precipitation Trends in Shichuan

The chart displays monthly precipitation patterns in Shichuan, 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 Shichuan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2843941361821471751341771225530
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shichuan

As summer transitions into autumn, September in Shichuan, China, showcases a notable decline in humidity, settling at 84%. While this marks a slight decrease from the peak of 87% in August, it remains higher than the earlier months of the year. The humidity has been on an upward trajectory since the beginning of the year, starting at 72% in January and steadily climbing through spring and summer. By September, the air is still rich with moisture, but the slight dip signals the forthcoming cooler months. Overall, the region experiences a unique blend of climatic shifts, with humidity levels fluctuating but always leaving a mark on Shichuan’s characteristic weather patterns.

September Average Humidity in Shichuan

This chart illustrates the average monthly humidity levels in Shichuan, 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 Shichuan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Shichuan

As we move into September in Shichuan, China, the UV Index stands at 9, classifying it under the very high exposure category with a burn time of 15 minutes. This marks a slight decline from the peak summer months, where the UV Index reached an extreme 12 in both July and August. However, September still calls for caution as the intensity remains high, similar to the levels seen in March and April. The transition into fall suggests a gradual decrease in UV strength, offering relief yet still demanding awareness for skin protection. To stay informed about UV levels throughout the year and plan your outdoor activities safely, check out the detailed information here: Shichuan UV Index.

Maximum UV Index Levels in Shichuan for September

The chart shows the monthly maximum UV Index (UVI) for Shichuan 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 Shichuan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56810111112129964
Data source: Shichuan 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 Shichuan

As summer transitions into autumn, September brings a delightful continuation of warmth to Shichuan, China, with 217 hours of sunshine gracing the month. This marks a notable dip from the sun-drenched heights of August, which boasts an impressive 313 hours of bright days. However, September still shines brightly in comparison to the earlier months of the year, such as January and February, where sunlight was scarce, yielding only 107 and 155 hours, respectively. The overall trend reveals a gradual increase in daylight as spring unfolds, reaching its peak in the height of summer, before settling into a more moderate brightness as fall sets in. This seasonal shift not only illuminates the changing landscapes but also invites locals and visitors alike to enjoy the vibrant palette of autumn while basking in the gentle embrace of the sun.

Monthly Sunshine Duration in Shichuan: September Highlighted

The September sunshine duration represents the total number of hours Shichuan 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.
JanFebMarAprMayJunJulAugSepOctNovDec107h155h191h210h243h251h298h313h217h141h148h122h
Data source: Shichuan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shichuan During September

In Shichuan, China, September marks a significant uptick in the likelihood of sunny weather, with a 36% chance of sun. This month stands out as a beacon of brighter days amidst a generally overcast year, especially following the summer. While July boasts a 31% chance and August lingers at 25%, September offers a refreshing shift towards sunnier skies, hinting at the tail end of summer and inviting outdoor enthusiasts to explore the region. As temperatures cool in the subsequent months, with October dropping to 19%, September serves as a vibrant transition month where both locals and travelers can relish in the warmth of the sun before the autumn chill settles in.

Percentage of Sunny Days in September in Shichuan

The chart illustrates the percentage of sunny days in Shichuan 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 Shichuan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%29%26%14%17%13%31%25%36%19%23%23%
Data source: Shichuan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shichuan in September

As summer wanes in September, Shichuan, China, experiences a gentle transition in daylight, with the sun illuminating the sky for 12 hours each day. This marks a gradual decline from the peak of 14 hours in June, as the region shifts from the long, sun-filled days of summer to the shorter daylight of autumn. Following September, the daylight duration will continue to decrease, dipping to 11 hours in October, and settling at 10 hours through the winter months. This rhythmic ebb and flow of daylight not only reflects the changing seasons but also invites residents to embrace the unique beauty of each period, from vibrant summer days to the crispness of autumn.

Average Daylight Hours in Shichuan for September

The chart illustrates the variation in daylight duration in Shichuan throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 27m11h 7m11h 59m12h 53m13h 37m14h13h 48m13h 9m12h 18m11h 25m10h 39m10h 15m
Data source: Shichuan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Shichuan

As summer transitions to autumn in Shichuan, China, September brings a refreshing change in the air, with wind speeds reaching an average of 1.9 m/s (4 mph)—the highest of the year. This gentle increase in wind not only provides a welcome contrast to the more stagnant summer months but also hints at the forthcoming seasonal shifts. Throughout the year, winds remain relatively mild, with an overall average fluctuating between 1.3 and 1.7 m/s; however, September stands out as a pivotal moment when breezes pick up, signaling the approach of cooler days ahead. As the landscape prepares for the fall, the enhanced wind energy brings a vibrant feel to the scenery, enticing locals and visitors alike to embrace the beauty of this transitional period.

Average September Wind Speed in Shichuan

The chart displays monthly wind speed patterns in Shichuan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.61.71.51.51.51.41.51.9 m/s1.51.41.3
Data source: Shichuan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Shichuan Compares to Other Months

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

September and January present starkly contrasting weather conditions. In September, temperatures range from a mild 17°C (62°F) at night to a scorching 38°C (101°F) during the day, with an average of 24°C (76°F). The month is marked by high humidity at 84% and considerable rainfall, totaling 177 mm (7.0 in) over 17 days, making it one of the wetter months. In contrast, January experiences much cooler temperatures, with night lows diving to -1°C (31°F) and daytime highs capping at 17°C (63°F), resulting in an average of just 8°C (47°F). Precipitation is significantly lower in January at 28 mm (1.1 in) across only 7 days, and humidity levels drop to 72%. For more details, you can check out Shichuan weather in January.

In September, temperatures range from a minimum of 17°C (62°F) to a maximum of 38°C (101°F), with an average of 24°C (76°F). This month experiences considerable rainfall, with 177 mm (7.0 in) spread over 17 days, contributing to high humidity levels at 84%. In contrast, February sees a much cooler climate, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (79°F) and an average of just 10°C (50°F). The precipitation significantly decreases to 43 mm (1.7 in) across 9 days, accompanied by lower humidity at 76%. For more details on February weather, visit Shichuan weather in February.

September and March present distinctly different weather patterns. In September, temperatures typically range from a minimum of 17°C (62°F) to a maximum of 38°C (101°F), with an average of 24°C (76°F). The month is marked by significant rainfall, totaling 177 mm (7.0 in) over approximately 17 days, and humidity levels are quite high at 84%. In contrast, March offers cooler temperatures, with a range from a minimum of 6°C (43°F) to a maximum of 32°C (91°F) and an average of 15°C (59°F). Precipitation in March is less intense at 94 mm (3.7 in) over about 15 days, and humidity is slightly lower at 80%. Overall, September is warmer and wetter, while March is cooler with less rainfall. For more details, visit Shichuan weather in March.

When comparing the weather in September and April, significant differences emerge. September boasts warmer temperatures, with a minimum of 17°C (62°F) and an average of 24°C (76°F), reaching highs of 38°C (101°F). In contrast, April's cooler climate features a minimum of 8°C (47°F) and an average of 19°C (66°F), with a maximum of 35°C (95°F). Both months experience considerable rainfall, but September sees 177 mm (7.0 in) over 17 days, while April has slightly less at 136 mm (5.4 in) over 15 days. Additionally, September's humidity is higher at 84%, compared to April's 77%. For more details, you can check Shichuan weather in April.

In September, the weather is characterized by warmer temperatures, with a minimum of 17°C (62°F) and a maximum of 38°C (101°F), while the average temperature stands at 24°C (76°F). The month also experiences substantial precipitation, totaling 177 mm (7.0 in) over 17 days and relatively high humidity at 84%. In contrast, May sees slightly cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 36°C (97°F), yielding an average of 22°C (72°F). Precipitation in May is marginally higher at 182 mm (7.2 in) over 18 days, with humidity levels slightly lower at 82%. For more detailed information about the weather in May, check out Shichuan weather in May.

In comparing the weather of September and June, both months experience similar minimum temperatures, with September starting at 17°C (62°F) and June at 17°C (63°F). However, June tends to be slightly warmer on average, with an average temperature of 25°C (77°F), compared to September's 24°C (76°F). The maximum temperatures also differ slightly, peaking at 36°C (97°F) in June and 38°C (101°F) in September. Precipitation levels are higher in September, with 177 mm (7.0 in) over 17 days, compared to June's 147 mm (5.8 in) also over 17 days. Humidity remains quite high in both months, with September at 84% and June at 85%. For more detailed information about June weather, you can visit Shichuan weather in June.

In comparing the weather of September and July, we observe notable differences in temperature and precipitation patterns. September features a minimum temperature of 17°C (62°F) and an average of 24°C (76°F), while July is warmer, with a minimum of 21°C (70°F) and an average of 28°C (84°F). Although July reaches higher maximum temperatures, peaking at 40°C (104°F), September also experiences significant heat, with a maximum of 38°C (101°F). In terms of rainfall, both months are similar, with September receiving 177 mm (7.0 in) and July close behind at 175 mm (6.9 in), but September has slightly more rainy days at 17 compared to July's 16. Humidity levels remain high in both months, with September at 84% and July at 85%. For more detailed information on the July climate, you can refer to Shichuan weather in July.

In comparing the weather between September and August, it is clear that both months experience high temperatures, but August is notably warmer overall. September has a minimum temperature of 17°C (62°F) and an average of 24°C (76°F), while August starts with a higher minimum of 19°C (67°F) and reaches an average of 29°C (85°F). Additionally, August records a maximum temperature of 41°C (106°F) compared to September's peak of 38°C (101°F). In terms of precipitation, September is wetter with 177 mm (7.0 in) over 17 days, whereas August has 134 mm (5.3 in) over 13 days. Humidity levels are also quite high in both months, with September at 84% and August slightly higher at 87%. For more details about August weather, you can visit Shichuan weather in August.

September typically experiences warmer temperatures, with a minimum of 17°C (62°F) and an average of 24°C (76°F), reaching a maximum of 38°C (101°F). In contrast, October sees cooler temperatures, with a minimum of 9°C (49°F) and an average of 18°C (65°F), peaking at 36°C (96°F). Both months receive significant rainfall, but September has higher precipitation at 177 mm (7.0 in) over 17 days, compared to October's 122 mm (4.8 in) over 16 days. Humidity levels are slightly elevated in September at 84%, whereas October maintains a comfortable 81%. For more details, you can check out Shichuan weather in October.

In September, the weather tends to be warm and humid, with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 38°C (101°F) and an average of 24°C (76°F). The month sees considerable rainfall, accumulating 177 mm (7.0 in) over 17 days, contributing to the high humidity of 84%. In contrast, November experiences much cooler temperatures, with a minimum of 5°C (41°F), an average of 14°C (57°F), and a maximum of 26°C (78°F). Rainfall is significantly lower at 55 mm (2.2 in) over just 11 days, while humidity remains slightly higher at 86%. For more insights, you can check Shichuan weather in November.

The weather in September is significantly warmer and more humid compared to December. With temperatures ranging from a minimum of 17°C (62°F) to a scorching maximum of 38°C (101°F), September experiences an average temperature of 24°C (76°F). Additionally, it sees considerable rainfall, with 177 mm (7.0 in) spread across 17 days and humidity levels at 84%. In contrast, December offers a much cooler climate, with temperatures dipping to a low of 1°C (34°F) and peaking at 18°C (64°F), culminating in an average of just 9°C (49°F). Precipitation is minimal during this month, totaling only 29 mm (1.2 in) over 8 days, and humidity decreases slightly to 81%. For more detailed information about December weather in Shichuan, you can visit Shichuan weather in December.

Compare Shichuan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Shichuan

As September unfolds in Shichuan, the weather transforms significantly from the sultry summer months. Temperatures begin to moderate, providing a pleasant shift with an average condition that's more temperate but still offers the warmth of summer. The increased humidity persists, creating a thick blanket of moisture in the air that contrasts beautifully with the decreasing heat. This month is marked by frequent rainfall, with days of precipitation adding a refreshing element to the landscape, setting the stage for the vibrant autumn colors to come. If you're planning your visit, be sure to check out more details on the Shichuan Climate to help you prepare for the unique September weather!