Last updated: August 21, 2025
In September, Longgang, China experiences a warm and humid climate, with average temperatures hovering around 28°C (83°F), peaking at a notable 35°C (94°F) during the hottest days. The city sees significant precipitation, accumulating around 211 mm (8.3 in) over the month across 23 rainy days, which contributes to the overall humidity level of approximately 75%. This combination of warmth and moisture makes September a month of notable weather patterns, ideal for understanding the region's seasonal transitions.
In September, Longgang, China, transitions toward autumn while still basking in the summer warmth. With temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (94°F), the month maintains an average of 28°C (83°F), making it one of the warmer times of the year. This slight dip from the sweltering heights of summer hints at the cooling trend to come, yet the air remains comfortably warm for outdoor activities. As the month progresses, the gradual decrease in temperature signals the departure of summer's peak heat, paving the way for the cooler months ahead. Overall, September in Longgang embodies a delightful blend of lingering warmth and the promise of autumn's embrace.
In September, Longgang experiences a significant rainfall, with 211 mm (8.3 in) of precipitation spread over 23 days, marking a notable drop compared to the preceding months of July and August, which both exceeded 350 mm. This shift signals the beginning of the transition into the drier fall months, as seen with October's average of 125 mm. The relatively high number of rainy days in September indicates that while the total precipitation is reduced, showers are still prevalent, maintaining a lush environment as the region gradually shifts from the peak of its wet season.
In September, Longgang, China, experiences a notable shift in humidity levels, dropping to 75% after the peak summer months. This decline follows a humid July and August, both averaging a high 88%, marking the height of the wet season. The month’s humidity remains higher compared to the earlier part of the year, with January through April averaging in the low 70s. As the region transitions into autumn, September signals a gradual easing of humidity, setting the stage for October's more comfortable 65% level. This pattern reflects a consistent trend of humid summers, followed by a mild drop as the seasons change, providing a refreshing contrast to the sweltering heat that precedes it.
In September, Longgang, China, experiences a UV Index of 12, categorized as extreme, with a brief burn time of just 10 minutes. This echoes the trends seen throughout the summer months, where the UV Index remained consistently high, peaking at 14 in May. As the region transitions into autumn, the UV Index begins to decline, but September still demands caution due to its extreme rating. Comparatively, October shows a slight relief with a UV Index of 10, falling into the very high category. For those planning outdoor activities, it's crucial to stay informed and take protective measures against harmful UV radiation. For more details, visit Longgang UV Index.
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As summer gracefully gives way to autumn, September in Longgang, China, enjoys a delightful 279 hours of sunshine, marking a slight decline from the peak of July but still vibrant enough to bask in the warmth of early fall. This month acts as a gentle transition, nestled between the sun-drenched days of August and the slightly cooler October, with sunlight hours consistently high compared to the earlier months of the year. With an average of nearly nine hours of sunlight per day, September embodies the perfect balance of warmth and openness, inviting residents and visitors alike to relish the lingering summer vibe before the cooler days ahead.
In Longgang, China, the likelihood of enjoying sunny weather sees a notable shift as summer wanes into September, with the chance of sunshine standing at 39%. While this percentage remains relatively modest, it marks an increase from the particularly overcast months of June and August, where sunshine chances dipped as low as 11% and 13%, respectively. As the region transitions into autumn, the probability of sunny days rises again in October and November, suggesting a welcome return of clearer skies. Overall, September serves as a transitional month, offering a decent probability of sunny weather amidst the tail end of summer's cloudier spells.
As September rolls into Longgang, the daylight hours settle at a comfortable 12 hours, mirroring the earlier months of March and April. This pattern illustrates a gentle transition from the sun-drenched days of summer, which peak at 13 hours in May through July, back towards the shorter days that characterize the approach of autumn. Following September, daylight gradually decreases, tapering down to 11 hours in October and November before reaching the winter's minimum of 10 hours in December. This rhythm of daylight not only influences the local climate but also sets the stage for the seasonal activities that define life in this vibrant community.
As summer gives way to autumn in Longgang, China, the September winds reveal a gentle shift in the atmosphere. Averaging a mere 1.7 m/s (4 mph), this month marks the year's lowest wind speeds, a notable decline from the breezy days of summer. Following a gradual decrease since July, where gusts reached 2.3 m/s (5 mph), the whispers of wind in September invite a pause, encouraging residents to revel in the tranquil beauty of early fall. This serene interlude signals the transition to October, when gusts pick up again to an invigorating 3.4 m/s (8 mph), promising refreshing breezes as the season unfolds.
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 showcase a striking contrast in weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (94°F), accompanied by high humidity at 75% and significant rainfall, totaling 211 mm (8.3 in) over 23 days. In contrast, January presents a much cooler climate, with temperatures ranging from a chilly 4°C (39°F) to a pleasant 26°C (80°F). The month experiences minimal precipitation of just 19 mm (0.8 in) over three days, and humidity drops to a more comfortable 64%. This dramatic shift highlights the transition from the sultry summer to the crisp winter months. For more specific details on January weather patterns, visit Longgang weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of 22°C (72°F) to a sweltering maximum of 35°C (94°F), with an average of 28°C (83°F). The month is characterized by significant rainfall, totaling 211 mm (8.3 in) over 23 days, and a high humidity level of 75%. In contrast, February brings much cooler temperatures, with a minimum of 5°C (41°F), an average of 16°C (62°F), and a maximum reaching 28°C (83°F). Precipitation drops dramatically to 44 mm (1.7 in) over just 6 days, coupled with lower humidity at 68%. For more details on February weather, check this link: Longgang weather in February.
In September, the weather is notably warmer, with average temperatures reaching 28°C (83°F) and maximums peaking at 35°C (94°F). Humidity is high at 75%, and the month experiences significant rainfall, with 211 mm (8.3 in) spread over 23 days. In contrast, March brings cooler conditions, with average temperatures of 20°C (69°F) and maximums of 30°C (87°F). Precipitation is much lower, at 72 mm (2.8 in) over 12 days, and the humidity remains relatively steady at 73%. For more details on March weather, check out Longgang weather in March.
In comparing the weather of September and April, it's clear that September tends to be much warmer and more humid. With minimum temperatures of 22°C (72°F) and averages reaching up to 28°C (83°F), September's heat can be quite intense, peaking at 35°C (94°F). In contrast, April offers a milder climate with minimum temperatures of 12°C (54°F) and averages around 23°C (73°F), peaking at a pleasant 32°C (90°F). Additionally, September sees significantly more precipitation, with 211 mm (8.3 in) over 23 days, while April has just 110 mm (4.3 in) over 13 days. Despite a slightly lower humidity level in April at 71%, the overall experience is one of a much drier and cooler month compared to the sweltering and wet conditions of September. For more details on April's climate, you can visit Longgang weather in April.
When comparing the weather in September and May, it is clear that both months experience high temperatures, though May generally starts off cooler with a minimum of 15°C (60°F) compared to September's 22°C (72°F). The average temperature in May reaches 26°C (80°F), while September averages slightly higher at 28°C (83°F). However, September can have extreme highs of 35°C (94°F), closely rivaling May's peak of 36°C (96°F). Precipitation levels are relatively similar, with September receiving 211 mm (8.3 in) and May slightly more at 229 mm (9.0 in), but September is characterized by a higher number of rainy days at 23. Humidity levels in May and September are comparable, with September at 75% and May slightly higher at 79%. For further details, you can check Longgang weather in May.
In comparing the weather between September and June, we see several similarities and differences. Both months share an average temperature of 28°C (83°F) and a maximum temperature of 35°C (94°F in September and 96°F in June), indicating similarly warm conditions. However, June tends to be slightly warmer at night, with a minimum temperature of 23°C (74°F) compared to September's 22°C (72°F).
In terms of precipitation, June is notably wetter, receiving 384 mm (15.1 in) over 27 days, while September records 211 mm (8.3 in) over 23 days. The humidity levels are also comparable, with June at 77% and September at 75%, making both months feel quite humid. For more detailed information on June weather patterns, you can visit Longgang weather in June.
When comparing the weather in September and July, September tends to be slightly cooler with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (94°F), while July sees a higher minimum of 24°C (76°F) with maximum temperatures reaching up to 36°C (97°F). Both months are characterized by significant humidity, with September at 75% and July at 88%. Precipitation is also prominent in both months, but July experiences slightly more rainfall, with 227 mm (8.9 in) over 27 days compared to September's 211 mm (8.3 in) over 23 days. For a detailed look at July's weather, you can check out Longgang weather in July.
In comparing the weather of September to that of August, September tends to be slightly cooler, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 35°C (94°F), while August experiences averages of 24°C (75°F) to 37°C (98°F). However, September is also marked by substantial rainfall, with 211 mm (8.3 in) of precipitation over 23 days, compared to August's much heavier downpour of 358 mm (14.1 in) across 28 days. Additionally, humidity levels in September average around 75%, which is lower than August's higher humidity of 88%. For a detailed look at August's weather patterns, you can visit Longgang weather in August.
In September, the weather is notably warmer with average temperatures hovering around 28°C (83°F), peaking at a high of 35°C (94°F). The month experiences significant rainfall, totaling 211 mm (8.3 in) over 23 days, accompanied by high humidity levels of 75%. In contrast, October brings a refreshing change, with temperatures dropping to an average of 25°C (77°F) and a minimum of 15°C (58°F). Rainfall decreases considerably to 125 mm (4.9 in) over just 10 days, and humidity levels also reduce to 65%. This shift marks a transition into more comfortable and drier autumn conditions. For more detailed information, check out Longgang weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (94°F), with an average of 28°C (83°F). The month is marked by high humidity at 75% and significant precipitation, totaling 211 mm (8.3 inches) over 23 days, making it a wet month. In contrast, November enjoys milder temperatures, with a minimum of 13°C (56°F), an average of 21°C (71°F), and a maximum of 30°C (87°F). Precipitation drops substantially to just 28 mm (1.1 inches) and occurs only over 4 days, accompanied by lower humidity at 64%. For more details, you can explore Longgang weather in November.
September typically experiences much warmer temperatures, ranging from a minimum of 22°C (72°F) to a maximum of 35°C (94°F), with an average of 28°C (83°F). This month is also characterized by high humidity at 75%, along with significant rainfall, recording 211 mm (8.3 in) across 23 days. In contrast, December brings a notable drop in temperatures, with a range from 6°C (44°F) to 28°C (83°F) and an average of 17°C (63°F). The precipitation significantly decreases to only 18 mm (0.7 in) over just 2 days, and humidity is slightly lower at 69%. For more details, visit Longgang weather in December.
September in Longgang transforms the landscape with its steamy warmth and frequent showers, contrasting sharply with the drier and cooler months that precede it. Average temperatures rise, creating a humid atmosphere that can feel quite intense, while the substantial rainfall—heavy enough to occur on nearly three-quarters of the days—promotes lush greenery. This month serves as a bridge between the sweltering summer heat and the milder autumn temperatures, making it a unique time for both weather enthusiasts and nature lovers. For a deeper dive into the climatic trends of this region, explore Longgang Climate.