September Weather in Longhushan, China

Last updated: August 21, 2025

September in Longhushan, China showcases a dynamic blend of temperatures and weather patterns. With an impressive maximum reaching 37°C (98°F) and an average temperature of 27°C (80°F), the days remain quite warm. However, evenings can cool down to a minimum of 16°C (60°F), offering a pleasant respite. During this month, expect 97 mm (3.8 in) of rainfall spread over approximately 12 days, contributing to a humidity level of 62% that adds to the tropical ambiance. Overall, this month's weather is characterized by its warmth, occasional rain, and vibrant atmosphere.

September Temperature in Longhushan

In September, Longhushan experiences a warm transition as summer begins to wane. With a minimum temperature of 16°C (60°F) and an average reaching 27°C (80°F), the month maintains a balmy atmosphere, perfect for outdoor activities. The daily highs can soar up to 37°C (98°F), reflecting the lingering heat of late summer. This month marks a noticeable decline from the previous peak temperatures of August, yet it remains comfortably warm. As the month progresses, you're likely to feel the subtle cooling of autumn beckoning, paving the way for the cooler days ahead.

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

The chart illustrates September temperature patterns in Longhushan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longhushan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464958667480858680695948
Data source: Temperature data for Longhushan 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 Longhushan

In September, Longhushan sees a notable shift in its precipitation patterns, recording an average of 97 mm (3.8 in) of rainfall over 12 days. This amount aligns with the drier conditions that begin to emerge as summer transitions into autumn. Compared to the heavy downpours of May and June, which saw 324 mm (12.8 in) and 411 mm (16.2 in) respectively, September's rainfall marks a significant reduction, suggesting that the wettest months are behind. Interestingly, the consistency in precipitation across multiple months, with September's rainfall echoing February’s measure, hints at a balanced climate where even the fall months don't shy away from occasional showers, promoting lush landscapes in a season known for its transition.

September Precipitation Trends in Longhushan

The chart displays monthly precipitation patterns in Longhushan, 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 Longhushan, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec749722420232441124311997518355
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Longhushan

In Longhushan, China, September marks a noticeable shift in humidity levels, dropping to 62% from the higher summer peaks, making it one of the driest months of the year. This decline follows the summer months where humidity ranged from 84% in August to a peak of 89% in July, reflecting the tropical climate's influence. As the region transitions into autumn, the humidity begins to stabilize, aligning closer to January's levels of 64%. This trend indicates a gradual cooling as the year progresses, paving the way for more comfortable conditions heading into the fall and winter months, with November's humidity rising to 72%, suggesting a return to slightly more humid conditions. Overall, September stands out as a refreshing reprieve from the heavy humidity of summer, setting the stage for the changing seasons.

September Average Humidity in Longhushan

This chart illustrates the average monthly humidity levels in Longhushan, 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 Longhushan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%69%79%81%86%83%90%84%62%64%72%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Longhushan

As September rolls in Longhushan, the UV Index remains elevated, registering at 11, categorized as extreme. This trend follows a summer filled with intense sun exposure, peaking in July with a staggering 13. With burn times consistently around 10 minutes in recent months, residents and visitors alike should remain vigilant against sun damage. Interestingly, while the UV Index does show a slight decrease compared to July and August, it still commands caution as it edges toward the transition into October's slightly lower 9. To stay informed and protected, check out the detailed forecast at Longhushan UV Index.

Maximum UV Index Levels in Longhushan for September

The chart shows the monthly maximum UV Index (UVI) for Longhushan 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 Longhushan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112131211975
Data source: Longhushan 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 Longhushan

In September, Longhushan embraces a splendid 280 hours of sunshine, marking a graceful transition from the summer's peak brilliance. This month follows August's impressive 314 hours, yet maintains a vibrant warmth that beckons outdoor enthusiasts. The trend throughout the year reveals a gradual climb towards summer, with sunlit days peaking in July and August, followed by a slight decline as autumn approaches. Notably, September's sunshine exceeds the earlier months, reinforcing the region's delightful late-summer charm. As the year progresses, the sun's embrace diminishes but remains a comforting presence, promising October's own generous 233 hours of light.

Monthly Sunshine Duration in Longhushan: September Highlighted

The September sunshine duration represents the total number of hours Longhushan 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.
JanFebMarAprMayJunJulAugSepOctNovDec165h198h198h240h283h247h308h314h280h233h213h212h
Data source: Longhushan September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longhushan During September

In Longhushan, China, the likelihood of sunny weather sees a notable upswing in September, boasting a sunny chance of 66%. This marks a significant increase after a relatively dull summer, where the chances hovered around 14% to 26%. As the year progresses, there’s a distinct pattern—while January starts off strong with a 60% probability of sunshine, the trend dwindles sharply through spring and early summer. However, the return of sunnier days in September suggests the onset of a favorable transition toward autumn, making it one of the brighter months to enjoy outdoor activities in this region. Overall, September stands out as a peak time for basking in the sun after a long stretch of gloom.

Percentage of Sunny Days in September in Longhushan

The chart illustrates the percentage of sunny days in Longhushan 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 Longhushan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%37%26%17%17%14%25%27%66%35%44%50%
Data source: Longhushan September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longhushan in September

As summer transitions into autumn in Longhushan, China, September brings a gentle decrease in daylight, offering about 12 hours for residents to enjoy. This modest decline follows the peak of 13 hours experienced during the balmy summer months of June through August. With September marking the shift towards shorter days, the richness of daylight starts to wane, hinting at the cooler, shorter days of October and November ahead. Overall, the month blends a lingering warmth with an impending embrace of autumn, encapsulating the essence of seasonal change.

Average Daylight Hours in Longhushan for September

The chart illustrates the variation in daylight duration in Longhushan 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 11m11h 59m12h 50m13h 32m13h 53m13h 42m13h 5m12h 17m11h 28m10h 44m10h 22m
Data source: Longhushan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Longhushan

As September breezes through Longhushan, the average wind speed settles at a gentle 1.7 m/s (4 mph), mirroring the calmness of August. This consistent pace reflects a broader trend observed throughout the year, where wind speeds tend to fluctuate modestly. The months leading up to September, particularly May and July, show a slight increase, peaking at 2.4 m/s (5 mph) in July, hinting at a summer's playful gusts. However, as autumn approaches, the winds gradually ease, with September maintaining a tranquil atmosphere similar to the spring months. This pattern suggests a rhythm to Longhushan’s winds, where the gentle caress of September invites reflection before the breezier months of October roll in.

Average September Wind Speed in Longhushan

The chart displays monthly wind speed patterns in Longhushan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.71.81.72.01.92.41.71.7 m/s2.21.71.8
Data source: Longhushan September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Longhushan Compares to Other Months

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

September and January present contrasting weather conditions. In September, temperatures typically range from a mild 16°C (60°F) at night to a scorching 37°C (98°F) during the day, with an average temperature of around 27°C (80°F). The month experiences considerable precipitation, totaling 97 mm (3.8 in) over about 12 days, along with a relative humidity of 62%. In stark contrast, January sees much cooler temperatures, with nighttime lows dropping to -6°C (22°F) and daytime highs reaching a moderate 25°C (77°F), averaging 8°C (46°F). January also has less precipitation at 74 mm (2.9 in) over 9 days and a slightly higher humidity of 64%. For more detailed insights on January conditions, check out Longhushan weather in January.

September and February present a striking contrast in weather patterns. In September, temperatures typically range from a mild 16°C (60°F) at night to a scorching 37°C (98°F) during the day, with an average temperature of 27°C (80°F). The month experiences about 97 mm (3.8 in) of rainfall over approximately 12 days, accompanied by a humidity level of 62%. In contrast, February experiences much colder conditions, with nighttime temperatures plummeting to a minimum of -4°C (26°F) and a daytime maximum of 26°C (80°F), resulting in an average of only 9°C (49°F). Rainfall remains consistent at 97 mm (3.8 in) but occurs over 11 days, accompanied by a slightly higher humidity of 69%. For a detailed look at Longhushan weather in February, visit Longhushan weather in February.

September and March present contrasting weather conditions. In September, temperatures range from a minimum of 16°C (60°F) to a scorching maximum of 37°C (98°F), with an average of 27°C (80°F). The month sees 97 mm (3.8 in) of precipitation over approximately 12 days, accompanied by a relatively moderate humidity of 62%.

In stark contrast, March experiences cooler temperatures, with a minimum of 3°C (38°F) and an average of 15°C (59°F), peaking at 30°C (86°F). The precipitation in March is significantly higher, totaling 224 mm (8.8 in) over 18 days, and the humidity is elevated at 79%.

For more details on the specific weather conditions in March, you can visit Longhushan weather in March.

September and April present contrasting weather patterns. In September, temperatures range from a minimum of 16°C (60°F) to a scorching maximum of 37°C (98°F), with an average of 27°C (80°F). This month experiences relatively lower precipitation levels, with 97 mm (3.8 in) occurring over 12 days and a humidity level of 62%. In contrast, April is much cooler, with temperatures dipping to a minimum of 4°C (40°F) and reaching a maximum of 34°C (94°F), averaging 19°C (66°F). Precipitation in April is more substantial, totaling 202 mm (7.9 in) over 15 days, accompanied by higher humidity at 81%. For more detailed insights on April weather, you can visit Longhushan weather in April.

September and May showcase distinct weather characteristics. In September, temperatures range from a minimum of 16°C (60°F) to a maximum of 37°C (98°F), with an average temperature of 27°C (80°F). The month experiences moderate rainfall, totaling 97 mm (3.8 in) over 12 days and a humidity level of 62%. In contrast, May has cooler temperatures, with a minimum of 11°C (53°F) and an average of 24°C (75°F), though highs can reach up to 36°C (98°F). May is considerably wetter, with precipitation measuring 324 mm (12.8 in) over 18 days and higher humidity at 86%. For more details on May's climate, check Longhushan weather in May.

When comparing the weather in September and June, we can observe some key differences. September generally experiences slightly warmer temperatures, with a minimum of 16°C and a maximum of 37°C, while June has a minimum of 17°C and a maximum of 36°C. Both months share the same average temperature of 27°C (80°F). However, June is notably wetter, receiving 411 mm of precipitation over 21 days, compared to September's 97 mm over just 12 days. Additionally, the humidity in June is significantly higher at 83%, while September's humidity sits at 62%. For more details about June weather, you can check Longhushan weather in June.

In comparing the weather between September and July, September typically presents a slightly cooler experience, with average temperatures ranging from a minimum of 16°C (60°F) to a maximum of 37°C (98°F), compared to July's warmer range of 21°C (71°F) to 38°C (101°F). Additionally, September has lower humidity at 62%, while July is noticeably more humid at 89%. Precipitation also differs significantly; September receives 97 mm (3.8 in) of rain over approximately 12 days, whereas July sees more rainfall, totaling 243 mm (9.6 in) over 15 days. For a detailed look at July's weather patterns, visit Longhushan weather in July.

In comparing the weather of September and August, we see a noticeable shift in temperatures and humidity levels. September typically experiences milder conditions, with minimum temperatures dropping to 16°C (60°F) and an average of 27°C (80°F), compared to August, where the minimum hovers at 23°C (74°F) and the average reaches 30°C (86°F). The maximum temperature in August also peaks slightly higher at 38°C (100°F) versus 37°C (98°F) in September. Additionally, September brings slightly less precipitation at 97 mm (3.8 in) for 12 days, while August records 119 mm (4.7 in) across 14 days, making September a bit drier overall. The humidity also decreases from a high of 84% in August to 62% in September, contributing to a more comfortable climate. For a closer look at August weather specifics, you can visit Longhushan weather in August.

September tends to be warmer and wetter compared to October, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 37°C (98°F) and an average of 27°C (80°F). The month experiences considerable rainfall, totaling 97 mm (3.8 in) over 12 days, coupled with a humidity level of 62%. In contrast, October sees a notable drop in temperatures, with a minimum of 10°C (50°F) and an average of 21°C (69°F), peaking at 35°C (96°F). The precipitation is also reduced to 51 mm (2.0 in) over just 8 days, while humidity remains slightly elevated at 64%. For a detailed look at the weather in October, you can check Longhushan weather in October.

September weather is characterized by higher temperatures, with averages around 27°C (80°F) and maximums reaching up to 37°C (98°F), making it a hot month overall. In contrast, November brings a significant drop in temperatures, with averages around 15°C (60°F) and maximums peaking at 30°C (86°F). While September tends to be humid at 62%, November experiences slightly higher humidity levels at 72%. Both months see considerable rainfall, but September has a higher total precipitation of 97 mm (3.8 in) over 12 days compared to November's 83 mm (3.3 in) over 10 days. For more details about November weather, you can visit Longhushan weather in November.

September weather is characterized by warm temperatures, with minimums around 16°C (60°F) and maximums reaching up to 37°C (98°F), resulting in an average of 27°C (80°F). The month experiences significant rainfall with 97 mm (3.8 in) spread over 12 days, along with a humidity level of 62%. In contrast, December brings much cooler conditions, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 25°C (78°F) and an average of 9°C (49°F). Precipitation decreases to 55 mm (2.2 in) over 10 days, although humidity rises to 76%. For a closer look at the specific weather patterns, visit Longhushan weather in December.

Compare Longhushan's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Longhushan

September in Longhushan heralds a transition into the fall season, characterized by warm days and cooler nights that create a pleasant atmosphere for outdoor activities. With average temperatures hovering around a comfortable 27°C (80°F), this month stands apart from the scorching heat of summer. While it still experiences a fair amount of rainfall, with 12 days of precipitation totaling 97 mm, the humidity levels remain manageable at 62%, allowing for a refreshing respite from the sweltering summer months. As the landscape shifts into vibrant autumn hues, September provides a beautiful backdrop for exploring the scenic beauty of Longhushan. For more detailed information on seasonal patterns, visit Longhushan Climate.