September Weather in Luzhou, China

Last updated: August 21, 2025

In Luzhou, China, September unfolds with a warm embrace, characterized by a maximum temperature reaching up to 35°C (96°F), while the average hovers around 28°C (82°F). Nights offer a mild reprieve, with temperatures dipping to a minimum of 19°C (67°F). This transitional month sees a high level of humidity at 75%, contributing to a muggy atmosphere. Rainfall is frequent, with 162 mm (6.4 in) of precipitation spread across 20 days, marking it as one of the wetter periods of the year. Visitors should prepare for a blend of warmth and rain, making it an ideal time for those who enjoy lush, vibrant landscapes.

September Temperature in Luzhou

In September, Luzhou, China, enjoys a pleasant transition from the sweltering summer heat to the more moderate temperatures of autumn. With minimums around 19°C (67°F) and averages steadily holding at 28°C (82°F), the region provides a comfortable setting for outdoor activities. The maximum temperature reaches 35°C (96°F), showcasing the tail end of summer's warmth but starting to cool down as the month progresses. This month marks a notable dip from the peak summer temperatures, reflecting a gradual shift that prepares residents and visitors alike for the approaching fall, making September an ideal time to explore the area's natural beauty.

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).
JanFebMarAprMayJunJulAugSepOctNovDec606168737982848382767061
Data source: Temperature data for Luzhou 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 Luzhou

September in Luzhou, China experiences a notable shift in precipitation patterns as the monsoon season begins to wane. With an average rainfall of 162 mm (6.4 in) over 20 days, September stands out as a month of significant yet moderated rainfall compared to the intense downpours of June and August, which received 357 mm and 261 mm respectively. This transition signals a gradual easing towards the drier months, particularly when we consider October's expected 85 mm. The consistency in precipitation days—similar to the preceding months—suggests that while rain is less torrential, it remains a frequent presence, nurturing the lush landscapes of the region as summer yields to the fall. This period effectively bridges the heavy summer rains and the crisp, drier air of autumn.

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.
JanFebMarAprMayJunJulAugSepOctNovDec315096125199357170262162852520
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Luzhou

As summer transitions to autumn in Luzhou, China, September brings a noticeable dip in humidity, settling at a comfortable 75%. This reduction follows the peak levels experienced in the sweltering months of July and August, where humidity soared to a striking 88%. While September's levels remain relatively high compared to the cooler months of January and October, which average around 64-65%, it marks a shift towards drier conditions. This gradual decline reflects the city's shifting climate, inviting a refreshing reprieve from the sticky summer heat, and hinting at the arrival of crisp fall days ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Luzhou

In September, Luzhou, China, continues to experience significant sun exposure, with a UV Index of 12, categorized as extreme. This level of intensity means that individuals should take precautions, as unprotected skin can burn in just 10 minutes. Following the trend from the peak summer months of July and August, September maintains a high UV index but slightly lessened compared to May, which recorded an index of 14. Overall, Luzhou's UV conditions in September reflect the residual heat of summer, emphasizing the importance of sun safety. To learn more about UV levels throughout the year in Luzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121214121313121097
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

In Luzhou, China, the month of September shines brightly with an impressive 277 hours of sunshine, continuing the trend of abundant sunlight established over the summer months. After the peak in July, where the region basked in 303 hours of brilliant rays, September maintains a robust level of sunshine, slightly lower than August's 271 hours. This warmth heralds the transition into autumn, yet Luzhou's sunlight remains notably generous compared to earlier months like January with just 211 hours. As the days begin to shorten, the consistent sunshine in September invites locals and visitors alike to embrace the last whispers of summer before the cooler months commence. Overall, Luzhou's sunshine patterns reveal a clear crescendo during the summer, gracefully tapering yet remaining favorable well into the fall.

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.
JanFebMarAprMayJunJulAugSepOctNovDec211h235h247h229h273h238h303h271h277h268h253h263h
Data source: Luzhou September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luzhou During September

In Luzhou, China, the likelihood of sunny weather in September stands at 39%, which marks a noticeable increase compared to the dreary summer months, particularly June and August, when sunshine is a mere 11% and 13%, respectively. This uptick signals a welcome transition as the summer fades, moving towards a more favorable autumn climate. Notably, sunny days become more prevalent again in November (60%), suggesting that September serves as a bridge toward clearer skies, although it still lags behind the sun-drenched months of January (66%) and February (59%). As the humidity decreases and temperatures begin to cool, September offers a refreshing glimpse of the brighter days to come.

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.
JanFebMarAprMayJunJulAugSepOctNovDec66%59%34%32%22%11%29%13%40%34%60%52%
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 unfolds in Luzhou, China, the city enjoys approximately 12 hours of daylight, maintaining the balance reached in the preceding months. This duration reflects a gradual transition from the peak summer months of June to August, where sunlight peaked at 13 hours. Following September, daylight hours are set to taper off, welcoming the shorter days of autumn and winter. This dynamic shift not only influences daily activities but also beautifully captures the essence of seasonal changes, reminding residents and visitors alike of nature’s rhythmic cycle. Embracing the lingering warmth of daylight, September stands as a bridge, seamlessly connecting the vibrant energy of summer to the crispness of approaching fall.

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 51m11h 21m12h12h 41m13h 15m13h 31m13h 23m12h 54m12h 15m11h 35m11h10h 42m
Data source: Luzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Luzhou

As summer fades into autumn, September in Luzhou experiences a noticeable decline in wind speed, averaging a gentle 1.2 m/s (3 mph). This marks a continuation of the downward trend observed since July, when winds began to calm significantly. The shifting seasons usher in a serene atmosphere, contrasting with the livelier breezes of earlier months. Interestingly, the wind picks up again in October, reaching 2.8 m/s (6 mph), hinting at seasonal changes that breathe new life into the landscape. Overall, September serves as a transitional month, where the soft whispers of the wind invite moments of reflection amidst the changing scenery.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.61.92.11.92.21.91.71.41.2 m/s2.82.52.7
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 stark contrasts in weather. In September, temperatures range from a minimum of 19°C (67°F) to a scorching maximum of 35°C (96°F), with an average of 28°C (82°F). This month also sees significant rainfall, with about 162 mm (6.4 in) of precipitation over 20 days, accompanied by high humidity at 75%. In sharp contrast, January experiences cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 28°C (83°F), averaging 15°C (60°F). Precipitation drops significantly to only 31 mm (1.2 in) over just 3 days, and humidity levels are lower at 64%. For more details, check out Luzhou weather in January.

September and February present strikingly different weather patterns. In September, temperatures are significantly warmer, with a minimum of 19°C (67°F) and an average high reaching 35°C (96°F), accompanied by a higher humidity level of 75%. This month also sees considerable precipitation, totaling 162 mm (6.4 in) over approximately 20 days, creating a humid atmosphere. In contrast, February offers a much cooler climate, with minimum temperatures dropping to 3°C (38°F) and an average high of 31°C (88°F). The precipitation in February is noticeably lower at 50 mm (2.0 in) across just 8 days, and the humidity stands at a slightly lower 68%. For a detailed view of February's weather in Luzhou, check out Luzhou weather in February.

When comparing the weather in September and March, notable differences emerge in both temperature and precipitation. September temperatures range much higher, with minimums around 19°C (67°F) and maximums soaring up to 35°C (96°F), while March enjoys milder temperatures, with a minimum of 7°C (45°F) and a maximum of 32°C (90°F). In terms of precipitation, September sees more rainfall, totaling 162 mm (6.4 in) across 20 days, compared to March's 96 mm (3.8 in) over 15 days. Humidity levels are fairly comparable, with September at 75% and March at 73%, creating a slightly more humid atmosphere in the late summer month. For a more detailed look at March weather, you can explore Luzhou weather in March.

In September, temperatures tend to be significantly warmer, with minimums around 19°C and average highs reaching up to 35°C. The month also experiences considerable rainfall, totaling 162 mm over about 20 days, contributing to a high humidity level of 75%. In contrast, April features much cooler temperatures, with minimums of 10°C and an average of 23°C, while still peaking at 35°C. Rainfall is less prolific in April, totaling 125 mm over 13 days, and humidity is slightly lower at 71%. For more insights on the weather during this month, you can check Luzhou weather in April.

September and May present distinct weather patterns. September experiences a warmer average temperature of 28°C (82°F) with a maximum reaching up to 35°C (96°F), while May offers slightly cooler averages at 26°C (79°F) and can peak at 37°C (99°F). Despite May having a higher maximum temperature, September tends to be more humid, with humidity levels at 75% compared to May's 79%. Both months see significant precipitation, with September receiving 162 mm (6.4 in) over 20 days and May recording 199 mm (7.8 in) over 21 days, making them key months for rainfall. For more detailed information, you can check Luzhou weather in May.

When comparing the weather in September and June, both months exhibit warm temperatures with averages around 28°C (82°F). However, June tends to be hotter, reaching maximum temperatures of 37°C (99°F) compared to September's peak of 35°C (96°F). Additionally, June experiences significantly more rainfall, with 357 mm (14.1 in) over 27 days, while September sees 162 mm (6.4 in) across 20 days. The humidity levels are quite similar for both months, with September at 75% and June slightly higher at 77%. For more detailed insights, you can visit Luzhou weather in June.

In comparing the weather between September and July, it’s evident that July tends to be hotter, with average temperatures reaching 29°C (84°F) and a maximum of 36°C (98°F), while September sees a slightly cooler average of 28°C (82°F) and a maximum of 35°C (96°F). However, July is wetter, receiving 170 mm (6.7 in) of precipitation over 24 days compared to September's 162 mm (6.4 in) over 20 days. Additionally, humidity levels are higher in July at 88%, while September has a relative humidity of 75%. For more detailed information, you can check out Luzhou weather in July.

In comparing the weather of September and August, both months exhibit warm temperatures, but September tends to be slightly cooler. September sees a minimum temperature of 19°C (67°F) and a maximum of 35°C (96°F), while August, with its higher minimum of 23°C (74°F) and maximum of 37°C (99°F), is notably warmer. Furthermore, September experiences less precipitation, with 162 mm (6.4 in) over 20 days, compared to August's heavier rainfall of 261 mm (10.3 in) across 26 days. Humidity levels are also more moderate in September at 75%, compared to August’s higher humidity at 88%. For a more detailed look at August weather, you can visit Luzhou weather in August.

September and October present distinct shifts in weather patterns. In September, temperatures range from a minimum of 19°C (67°F) to an average of 28°C (82°F), peaking at 35°C (96°F). The month sees significant precipitation, with 162 mm (6.4 in) over 20 days, accompanied by high humidity at 75%. In contrast, October experiences cooler temperatures, with a minimum of 14°C (58°F) and an average of 24°C (76°F), while still reaching a maximum of 36°C (96°F). Rainfall decreases to 85 mm (3.3 in) over just 7 days, and humidity lowers to 65%. For more detailed information, you can check Luzhou weather in October.

In September, the weather is characterized by relatively high temperatures, with a minimum of 19°C (67°F) and an average peak reaching 28°C (82°F), soaring to a maximum of 35°C (96°F). This month experiences significant rainfall, totaling 162 mm (6.4 in) over approximately 20 days, while humidity levels remain high at 75%. In contrast, November brings a notable shift; temperatures drop to a minimum of 12°C (53°F) and an average of 21°C (70°F), with a maximum of 32°C (89°F). Precipitation decreases dramatically to just 25 mm (1.0 in) over about 4 days, and humidity falls to 64%. The changes between these two months highlight a transition from a warm, humid late summer to a cooler, drier autumn. For more detailed information, you can check Luzhou weather in November.

In September, the weather is characterized by warm temperatures, with an average of 28°C (82°F) and highs reaching up to 35°C (96°F). The month is also quite humid, with an average humidity of 75% and significant rainfall of 162 mm (6.4 in) over approximately 20 days. In contrast, December brings a much cooler climate, with average temperatures dropping to 16°C (61°F) and a maximum of 29°C (85°F). Precipitation in December is much less frequent, amounting to only 20 mm (0.8 in) over about 3 days, and humidity decreases to 69%. For more detailed information, you can check out Luzhou weather in December.

Compare Luzhou's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Luzhou

As September unfolds in Luzhou, the weather presents a striking transition with warm temperatures and increased humidity. The lingering warmth of summer continues with an average temperature of 28°C, while sporadic rain showers introduce a refreshing change, resulting in 20 days of precipitation throughout the month. This combination of heat and humidity creates a distinctive atmosphere that sets September apart from the milder climate of the preceding months. For those looking to navigate the dynamic weather, it’s essential to stay informed and prepared. To delve deeper into the region's climate, visit Luzhou Climate.