Last updated: August 21, 2025
September in Longgang, China offers a delightful blend of mild temperatures and a hint of tropical humidity. The average temperature hovers around 21°C (71°F), with peaks reaching a maximum of 28°C (83°F), making it a comfortable time for outdoor activities. However, as the month progresses, expect a slight chill in the air with temperatures dipping to a minimum of 12°C (54°F) at night. Rainfall is moderate, with a total precipitation of 72 mm (2.8 in) over 7 days, contributing to the region's lush greenery. With humidity levels at 72%, the climate is both refreshing and invigorating, inviting visitors to enjoy the dynamic beauty of Longgang.
In September, Longgang, China experiences a notable transition as summer gives way to the cooler embrace of autumn. With temperatures ranging from a minimum of 12°C (54°F) to a maximum of 28°C (83°F), the month features an average of 21°C (71°F), providing a pleasant backdrop for outdoor activities. This is a significant drop from the peak summer temperatures in July and August, where highs reached 32°C (90°F) and 33°C (92°F), respectively. As the days grow shorter and evenings turn crisp, September serves as a refreshing prelude to the colder months, inviting residents and visitors alike to enjoy the scenic beauty of Longgang in its vibrant fall attire.
In September, Longgang experiences a notable shift in precipitation, with 72 mm (2.8 in) of rain falling over 7 days. This month marks a substantial decline from the record-breaking rainfall of 217 mm (8.5 in) in August, indicating a gradual easing of the monsoon. The two months combined showcase a clear seasonal pattern, where the late summer deluge gives way to a more moderate, yet still significant, autumnal precipitation. While September's rainfall is less intense than August’s, it remains comparable to the wetter months of June and July, suggesting that the region continues to enjoy ample moisture as it transitions toward dryer conditions in the coming months. This consistent rainfall is vital for sustaining the lush landscapes of Longgang as the year begins to wind down.
September in Longgang, China, marks a notable shift in humidity levels, with the average reaching 72%. This reflects a decline from the peak summer months of July and August, which boast humidity levels of 82% and 83%, respectively. As the monsoon season begins to wane, the air retains a significant amount of moisture, but it starts to feel more comfortable compared to the oppressive summer heat. Following September, humidity rises again in October, suggesting a transitional phase as the region prepares for the cooler, drier months ahead. Overall, September serves as a bridge between the sultry summer and the crisp fall, showcasing the dynamic shifts in Longgang's climate throughout the year.
In September, Longgang, China, sees a UV Index of 7, marking it as a high exposure month with a burn time of 25 minutes. This comes after a summer that peaked with an extreme UV Index of 11 in July, indicating a clear trend of decreasing intensity as the season shifts toward autumn. During the previous months, the UV Index fluctuated between very high and extreme levels, particularly in June and July. As the days get shorter and temperatures begin to cool, residents should remain mindful of sun exposure; even a high UV Index like that of September can lead to sunburn if proper precautions aren't taken. To stay informed about the UV Index throughout the year, visit Longgang UV Index.
UV Risk Categories
September in Longgang, China, brings a pleasant blend of warmth and sunlight, with the month averaging 289 hours of sunshine. This marks a slight decline from the sun-drenched days of summer, where May led the way with a radiant 334 hours. As the year progresses from the vibrant heights of spring and summer, September serves as a gentle transition, reflecting the winding down of longer, sunlit days without a drastic drop in brightness. It's a time when the landscape still basks in the afterglow of the warmer months, creating a serene backdrop as autumn approaches, with sunlight gradually tapering off moving into October.
As September rolls around in Longgang, China, the likelihood of encountering sunny weather stands at 42%, signaling a shift from the summer's peak of sunshine. While the warmer months of July and August dip significantly, September starts to restore some warmth, echoing a gradual return to clearer skies. This month marks a transitional phase, wherein the sunny expectations begin to climb again towards the 61% likelihood of October. Overall, as the year progresses from the intense heat of summer to the refreshing days of fall, September offers a balanced but uncertain prospect for sun, hinting that while not the sunniest, it still holds its own charm for outdoor activities.
In Longgang, China, the transition into September marks a gentle shift in daylight duration, providing around 12 hours of sunlight. This gradual decline from the summer peak of 15 hours in June reflects the natural rhythm of the seasons as autumn approaches. As the year unfolds, daylight hours steadily ebb from the winter low of 9 hours in December and January, reaching a mid-year high in May. The decrease from August's 13 hours to September signifies not just a change in light, but also the onset of cooler temperatures and lush autumn colors. This evolving cycle infuses each month with its unique charm, inviting residents and visitors alike to embrace the stunning transformations of nature.
As September arrives in Longgang, China, the average wind speed gently settles at 3.9 m/s (9 mph), a slight uptick from the calm of August. This transition marks a delicate shift in the seasonal breeze, following a summer characterized by relatively lower winds. Observing the year, it's notable that wind speeds gradually increased from January’s 4.4 m/s to a peak in May at 5.5 m/s before tapering off during the later summer months. As autumn approaches, however, there’s a hint of resurgence, with speeds in October expected to bounce back to 4.6 m/s. This rhythm of wind patterns not only underscores the evolving climate of Longgang but also heralds the oncoming changes of the fall season.
Weather in Longgang varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Longgang, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present drastically different weather conditions. In September, temperatures range from a pleasant 12°C (54°F) to a warm 28°C (83°F), with an average of 21°C (71°F). The month sees a fair amount of rainfall, totaling 72 mm (2.8 in) over about 7 days, and humidity levels are relatively high at 72%. In stark contrast, January experiences frigid temperatures, with a minimum of -19°C (-2°F) and a maximum of just 5°C (42°F), averaging -4°C (24°F). Precipitation is minimal in January, totaling only 2 mm (0.1 in) over 0 days, and humidity levels drop to 54%. For more details, you can check Longgang weather in January.
September and February display starkly contrasting weather patterns. In September, temperatures are mild, ranging from a minimum of 12°C (54°F) to a maximum of 28°C (83°F) with an average of 21°C (71°F). This month sees about 72 mm (2.8 in) of precipitation over 7 days, coupled with a humidity level of 72%. In stark contrast, February has frigid temperatures, with a minimum of -13°C (9°F) and a maximum of just 9°C (48°F), averaging -3°C (27°F). It experiences minimal precipitation of only 5 mm (0.2 in) over 1 day and a much lower humidity level of 44%. For a closer look at February weather specifics, you can check Longgang weather in February.
September and March display striking differences in weather conditions. September boasts a milder climate with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 28°C (83°F) and averages around 21°C (71°F). This month tends to bring about 72 mm (2.8 in) of precipitation over approximately 7 days, coupled with a humidity level of 72%. In contrast, March is significantly chillier, with temperatures dipping as low as -8°C (18°F) and reaching a maximum of 13°C (55°F), averaging only 3°C (38°F). Moreover, March experiences minimal rainfall, with just 11 mm (0.4 in) over 3 days and a lower humidity level of 48%. For more detailed insights into the March climate, you can check Longgang weather in March.
September and April exhibit distinctly different weather patterns. In September, temperatures range from a mild 12°C (54°F) at night to a warm 28°C (83°F) during the day, with an average of 21°C (71°F). This month also experiences higher humidity at 72% and more precipitation, totaling 72 mm (2.8 in) over about seven days. In contrast, April sees cooler temperatures, with nighttime lows of 1°C (33°F) and daytime highs reaching only 23°C (74°F), averaging 10°C (51°F). April is considerably drier, receiving only 19 mm (0.7 in) of precipitation over four days, and features lower humidity at 55%. For more detailed information on April weather, visit Longgang weather in April.
In comparing the weather of September and May, we see some significant differences. September tends to be warmer, with average temperatures around 21°C (71°F) compared to May's cooler average of 16°C (62°F). While September can reach maximums of 28°C (83°F), May's highs are typically around 26°C (79°F). Precipitation levels also vary, with September experiencing 72 mm (2.8 in) over 7 days, while May has less rainfall at 45 mm (1.8 in) across 5 days. Additionally, September's humidity is slightly higher at 72% compared to May's 65%. For a closer look at the weather specifics in May, check out the following link: Longgang weather in May.
In September, the weather features a slightly cooler minimum temperature of 12°C (54°F), while the daily average remains the same as in June at 21°C (71°F). With maximum temperatures peaking at 28°C (83°F), it is marginally cooler than June, which sees a high of 29°C (84°F). Precipitation levels also rise in September, averaging 72 mm (2.8 in) over 7 days, compared to June's 52 mm (2.0 in) for the same number of rainy days. Humidity levels are comparable, at 72% in September and 71% in June. For more details on the June weather, you can visit Longgang weather in June.
In comparing the weather of September and July, it is evident that July experiences warmer temperatures, with daily averages of 25°C (78°F) compared to September's 21°C (71°F). The maximum temperature in July reaches up to 32°C (90°F), highlighting a more intense summer heat, while September offers a milder peak at 28°C (83°F). Additionally, July has higher humidity levels at 82%, slightly outweighing September's 72%. However, precipitation is more prevalent in July, totaling 86 mm (3.4 in) over 8 days, compared to September's 72 mm (2.8 in) over 7 days. For more detailed information on July's weather, you can visit Longgang weather in July.
September's weather exhibits a cooler and more comfortable climate compared to August. The average temperature in September is 21°C (71°F), with a notable drop in both the minimum and maximum temperatures, reaching lows of 12°C (54°F) and highs of 28°C (83°F). In contrast, August experiences warmer temperatures, averaging 25°C (78°F), with highs soaring up to 33°C (92°F). Additionally, September sees significantly less precipitation at 72 mm (2.8 in) over 7 days, while August is much wetter, receiving 217 mm (8.5 in) of rain across 12 days. The humidity also decreases slightly in September to 72%, compared to 83% in August. For more detailed insights, you can check the Longgang weather in August.
In comparing the weather between September and October, there is a noticeable shift in temperatures and precipitation patterns. September boasts a milder range, with minimums of 12°C (54°F) and maximums reaching 28°C (83°F), accompanied by an average temperature of 21°C (71°F). It also sees more rainfall, totaling 72 mm (2.8 in) over 7 days. In contrast, October experiences cooler temperatures, with a minimum of just 4°C (40°F) and an average of 14°C (57°F), while maximums reach 24°C (76°F). Additionally, October's precipitation decreases to 33 mm (1.3 in) across 4 days, although humidity slightly rises to 76%. For a more detailed look at the weather specifics, check out Longgang weather in October.
September and November present starkly contrasting weather conditions. In September, temperatures range from a mild minimum of 12°C (54°F) to a pleasant average of 21°C (71°F) and can peak at 28°C (83°F). This month also experiences relatively high humidity at 72%, alongside 72 mm (2.8 in) of precipitation over 7 days. In contrast, November sees a significant drop in temperature, with a minimum of -7°C (20°F) and an average of just 6°C (42°F), peaking at 18°C (64°F). The month is much drier, with only 23 mm (0.9 in) of precipitation over just 2 days and a slightly lower humidity of 66%. For more detailed information, you can check Longgang weather in November.
In September, the weather is warm and mild, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 28°C (83°F). The month sees an average temperature of 21°C (71°F) and experiences about 72 mm (2.8 in) of precipitation over approximately 7 days, accompanied by a humidity level of 72%. In stark contrast, December ushers in a much colder climate, with temperatures plummeting to a minimum of -15°C (6°F) and only reaching a maximum of 9°C (49°F), averaging -2°C (28°F). Precipitation is significantly reduced to just 4 mm (0.2 in) over 1 day, and humidity falls to 52%. For more detailed information on December weather, you can visit Longgang weather in December.
As September rolls in, Longgang experiences a delightful shift in weather compared to the sweltering summer months. With average temperatures settling around a mild 21°C (71°F), it’s a perfect time for outdoor activities before cooler autumn air takes hold. While occasional rainfall brings about 72 mm of precipitation on about 7 days, the humidity levels remain manageable, creating a refreshing ambiance. The comfortable warmth combined with sporadic showers gives September a unique charm that is distinct from both the heat of summer and the chill of fall. For more details on Longgang's weather patterns, check out Longgang Climate.