September Weather in Luzhou, China

Last updated: August 21, 2025

September in Luzhou, China brings a warm embrace, with average temperatures hovering around 27°C (80°F), while peaks can soar to a scorching 38°C (100°F). As the month unfolds, visitors can expect a touch of rain, accumulating 52 mm (2.1 in) across roughly 9 days, creating a lush backdrop to the city. Humidity levels sit at a comfortable 66%, adding a slight mugginess to the air, perfect for enjoying Luzhou's rich culture and stunning scenery. Whether basking in the sun or exploring the vibrant atmosphere, September offers a unique charm that enhances the experience of this beautiful locale.

September Temperature in Luzhou

In September, Luzhou experiences a delightful transition into autumn, with temperatures reflecting the shift in season. The minimum temperature rises to a comfortable 15°C (60°F), while daytime averages reach a pleasant 27°C (80°F), allowing for enjoyable outdoor activities. The daytime warmth can still peak at a striking 38°C (100°F), echoing the lingering summer heat, but the evenings bring a refreshing coolness that encourages leisurely strolls. This month marks a subtle decline in overall temperatures, hinting at the cooler months to come, making September an ideal time to explore Luzhou's vibrant culture and stunning landscapes under a warm yet refreshing climate.

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

The chart illustrates September temperature patterns in Luzhou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Luzhou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464957667480858680685948
Data source: Temperature data for Luzhou generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Luzhou

In September, Luzhou experiences a notable shift in precipitation patterns, recording just 52 mm (2.1 in) of rain over 9 days. This marks a significant decrease from the summer months, where the area was soaked by heavier rainfall, peaking in June with an impressive 258 mm (10.1 in). Following the vibrant, rain-laden May and June, September blends the remnants of the wet season with hints of the dry season ahead. Interestingly, as the year transitions into autumn, this month typically sees one of the lowest precipitation amounts, shedding light on Luzhou's changing climatic rhythms. With the cooler temperatures setting in, the shift in rainfall not only highlights the seasonal changes but also prepares the region for the drier months to come.

September Precipitation Trends in Luzhou

The chart displays monthly precipitation patterns in Luzhou, 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 Luzhou, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec60801741441932581915652345853
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Luzhou

In Luzhou, China, September marks a notable shift in humidity levels, dropping to 66% after a peak during the summer months. This transition reflects a broader trend throughout the year, where humidity consistently rises from the winter months, peaking at a high of 89% in July. As autumn approaches, the air becomes noticeably drier, suggesting a welcome relief from the preceding steamy conditions. During September, the humidity begins to decline, setting the stage for slightly cooler and more comfortable weather that characterizes the upcoming fall season. This gradual reduction from the summer highs creates a balanced environment, allowing residents to enjoy the beautiful scenery without the oppressive moisture.

September Average Humidity in Luzhou

This chart illustrates the average monthly humidity levels in Luzhou, 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 Luzhou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Luzhou

As summer fades into September in Luzhou, China, the UV Index remains impressively high at 11, categorizing it as extreme. With a burn time of just 10 minutes, this month follows a trend established during the sweltering summer, which also recorded consistent extreme levels of UV exposure. While the UV Index slightly dips from August's peak, it still demands vigilant sun protection. As the year progresses into October, expect a transition to a very high UV Index of 9, signaling a gradual ease in intensity but caution is still advised. For a detailed look at UV trends throughout the year, visit Luzhou UV Index.

Maximum UV Index Levels in Luzhou for September

The chart shows the monthly maximum UV Index (UVI) for Luzhou 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 Luzhou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101212121211975
Data source: Luzhou 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 Luzhou

September in Luzhou, China, enjoys a delightful 269 hours of sunshine, marking a transition as summer fades into autumn. While August shines the brightest with an impressive 317 hours, September still holds its own, offering plenty of sun for outdoor activities and leisurely strolls. This month signals the beginning of a gentle decline in sunlight, as days gradually shorten leading into October, which sees 226 hours. However, compared to the earlier months of the year, such as January with only 158 hours, September showcases a significant increase, highlighting the vibrancy and warmth of early autumn. As the leaves begin to change and the air cools, the sunshine of September in Luzhou remains a cherished element of the season.

Monthly Sunshine Duration in Luzhou: September Highlighted

The September sunshine duration represents the total number of hours Luzhou 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.
JanFebMarAprMayJunJulAugSepOctNovDec158h189h194h220h267h253h293h317h269h226h213h210h
Data source: Luzhou September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luzhou During September

As September arrives in Luzhou, China, the prospect of sunny weather shines particularly bright, with a notable 65% chance of sunshine. This marks a significant upswing compared to the preceding summer months, where the likelihood hovered between 30% and 34%. The shift toward sunnier days in September not only enhances outdoor activities but also offers a refreshing transition towards autumn, inviting residents and visitors alike to bask in the golden hues of early fall. With a greater chance of delightful weather, September sets the stage for memorable experiences amid Luzhou's scenic landscapes.

Percentage of Sunny Days in September in Luzhou

The chart illustrates the percentage of sunny days in Luzhou 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 Luzhou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%37%24%14%22%17%34%30%65%35%52%58%
Data source: Luzhou September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luzhou in September

As September arrives in Luzhou, China, the daylight begins to gently wane, offering around 12 hours of sunlight—a slight dip from the vibrant 13 hours experienced during the summer months. This transition marks a seasonal shift where the days start to shorten, hinting at the approach of autumn. Following the lively brightness of July and August, September balances the lingering warmth with a gradual retreat into shorter days. The pattern throughout the year reveals a rhythm of increasing daylight from winter's depths in January, peaking in the summer, and then gracefully descending again as the year marches toward its close. This cyclical dance of light and shadow not only paints the landscape but also evokes a sense of change and anticipation in the hearts of Luzhou's residents.

Average Daylight Hours in Luzhou for September

The chart illustrates the variation in daylight duration in Luzhou throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 10m11h 59m12h 50m13h 32m13h 53m13h 42m13h 6m12h 17m11h 27m10h 44m10h 22m
Data source: Luzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Luzhou

In Luzhou, China, the September winds arrive gently, maintaining an average speed of 1.6 m/s (3 mph), much like the previous summer months. This steady breeze is part of a consistent trend throughout the year, where wind speeds generally hover around 1.6 m/s during the early months and peak slightly in July before tapering off. As the city transitions into October, however, residents can anticipate a noticeable uptick, with winds increasing to 2.1 m/s (5 mph), ushering in the autumn chill. Overall, September serves as a serene bridge, offering a calm and comfortable wind before the seasonal shift gains momentum.

Average September Wind Speed in Luzhou

The chart displays monthly wind speed patterns in Luzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.61.61.61.61.61.91.61.6 m/s2.11.61.6
Data source: Luzhou September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Luzhou Compares to Other Months

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

September and January present strikingly contrasting weather conditions. In September, temperatures range from a mild 15°C (60°F) at night to a scorching 38°C (100°F) during the day, with an average of 27°C (80°F). The month sees around 52 mm (2.1 in) of precipitation over 9 days, coupled with a humidity level of 66%, creating a warm and humid atmosphere. In stark contrast, January experiences much colder temperatures, with lows plummeting to -4°C (25°F) and an average of only 8°C (46°F), peaking at a comfortable 22°C (72°F). This month receives slightly more rainfall, totaling 60 mm (2.4 in) also over 9 days, and a marginally higher humidity of 69%, making it feel brisk and refreshing. For a more detailed look at January weather conditions, you can visit Luzhou weather in January.

September and February present striking contrasts in weather conditions. In September, temperatures range from a mild 15°C (60°F) at night to a scorching 38°C (100°F) during the day, with an average of 27°C (80°F). The month sees about 52 mm (2.1 in) of rainfall over 9 days and a humidity level of 66%. In contrast, February experiences much cooler temperatures, with lows dropping to -2°C (29°F) and daily highs reaching a comfortable 26°C (79°F), averaging around 9°C (49°F). This month typically has higher precipitation at 80 mm (3.1 in) spread across 12 days, accompanied by a slightly higher humidity level of 71%. For a more detailed look at February weather specifics, check out Luzhou weather in February.

In September, the weather is quite warm, with an average temperature of 27°C (80°F) and highs reaching up to 38°C (100°F). The month sees relatively less precipitation, with about 52 mm (2.1 in) over approximately 9 days, and humidity levels around 66%. Conversely, March presents a cooler climate, with an average temperature of 14°C (58°F) and maximums reaching 30°C (86°F). However, it is much wetter, experiencing around 174 mm (6.9 in) of rainfall over 18 days, and higher humidity at 83%. For more details on March weather, you can visit Luzhou weather in March.

September and April present contrasting weather patterns. In September, the temperatures are warmer, ranging from a minimum of 15°C (60°F) to a maximum of 38°C (100°F), with an average of 27°C (80°F). The month experiences relatively low precipitation of 52 mm (2.1 in) over 9 rainy days and boasts a humidity level of 66%. In contrast, April brings cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 33°C (92°F), averaging 19°C (66°F). The rainfall is significantly higher, totaling 144 mm (5.7 in) over 16 days, and the humidity is notably elevated at 86%. For more detailed insights on April weather, you can check Luzhou weather in April.

When comparing the weather in September and May, September tends to be warmer and drier. September boasts an average temperature of 27°C (80°F), with maximums reaching up to 38°C (100°F) and relatively low precipitation of 52 mm (2.1 in) spread over 9 days. In contrast, May is cooler with an average temperature of 23°C (74°F) and maximums of 35°C (96°F), but it experiences significantly more rainfall, totaling 193 mm (7.6 in) over 17 days, along with higher humidity at 85%. This difference makes September feel more comfortable and favorable for outdoor activities while May is marked by more moisture and cloud cover. For more details, refer to Luzhou weather in May.

In comparing the weather of September and June, September tends to be warmer on average, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 38°C (100°F), while June has a slightly cooler average with temperatures min 17°C (64°F) and max 35°C (96°F). However, June experiences significantly higher precipitation levels at 258 mm (10.1 in) over 19 days, compared to September's 52 mm (2.1 in) over just 9 days. Additionally, June's humidity is higher at 85%, in contrast to September's 66%, which may contribute to the more oppressive feel often associated with the earlier month. For more detailed information on the weather patterns in June, you can refer to Luzhou weather in June.

In comparing the weather of September and July, we see some notable differences. September enjoys a wider range of temperatures, with minimums around 15°C (60°F) and maximums reaching up to 38°C (100°F), averaging at 27°C (80°F). In contrast, July is warmer overall, with minimum temperatures averaging 21°C (70°F) and maximums peaking at 38°C (102°F), resulting in an average of 29°C (85°F). Additionally, September experiences significantly less precipitation at 52 mm (2.1 in) over 9 days, compared to the much wetter July, which receives 191 mm (7.5 in) over 13 days, contributing to a higher humidity level of 89%. For more details, you can visit Luzhou weather in July.

In comparing the weather between September and August, September generally sees a cooler temperature range, with a minimum of 15°C (60°F) compared to August's higher minimum of 23°C (73°F). The average temperature in September is slightly lower at 27°C (80°F), while August maintains a warmer average of 30°C (86°F). Despite both months having a maximum temperature of 38°C (100°F), September experiences lower humidity at 66%, in contrast to the higher humidity of 85% in August. Precipitation levels are fairly similar, with September receiving 52 mm (2.1 in) over 9 days, while August sees 56 mm (2.2 in) over 10 days. For more details on August weather, visit Luzhou weather in August.

September and October show a notable shift in weather patterns. September boasts warmer temperatures, with averages around 27°C (80°F) and a peak of 38°C (100°F), while October cools down significantly, averaging 20°C (68°F) and reaching a maximum of 36°C (97°F). Additionally, September experiences higher precipitation levels, totaling 52 mm (2.1 in) over 9 days, compared to October's 34 mm (1.3 in) spread over 7 days. Humidity remains relatively high in both months, with September at 66% and October slightly higher at 68%. For more detailed insights, you can check Luzhou weather in October.

In September, the weather is marked by warm temperatures, with a minimum of 15°C (60°F) and an average of 27°C (80°F), peaking at a sizzling 38°C (100°F). The month experiences moderate rainfall of 52 mm (2.1 in) over 9 days and a humidity level of 66%, creating a generally sticky atmosphere. In contrast, November brings a significant drop in temperatures, with minimums falling to 4°C (40°F) and an average of just 15°C (59°F). The maximum temperatures reach a comfortable 29°C (85°F), accompanied by slightly higher precipitation at 58 mm (2.3 in) over 8 days, and increased humidity at 77%. For a deeper insight into how November weather unfolds specifically in Luzhou, check Luzhou weather in November.

September and December present strikingly different weather extremes. In September, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 38°C (100°F), with an average of 27°C (80°F), accompanied by 52 mm (2.1 in) of rainfall over about 9 days. The humidity is relatively comfortable at 66%. In contrast, December showcases a much cooler climate, with temperatures dipping as low as -2°C (28°F) and reaching a maximum of 24°C (75°F), averaging 9°C (49°F). Rainfall remains similar at 53 mm (2.1 in) across the same number of days, but the humidity rises to 78%, contributing to a chillier feel. For a more detailed look at the December weather in Luzhou, you can visit Luzhou weather in December.

Compare Luzhou's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luzhou

As September rolls into Luzhou, it ushers in a noticeable shift in weather patterns compared to the scorching summer months. With daytime temperatures averaging a comfortable 27°C (80°F), it's a perfect time for outdoor activities amidst the lush scenery. While the maximum can still reach a hot 38°C (100°F), the evenings offer a refreshing reprieve, dipping to a cooler 15°C (60°F). The month also sees increased humidity at 66% and occasional rainfall, with about nine days experiencing some precipitation totaling 52 mm (2.1 in). This combination of warmth and water begins to blend the remnants of summer with the upcoming autumn, making September an exceptionally appealing month to explore the beauty of Luzhou. For more detailed insights, check out the full report on Luzhou Climate.