Last updated: August 21, 2025
September in Central, Hong Kong, presents a vibrant yet humid atmosphere, with average temperatures hovering around 28°C (83°F). The month experiences maximum highs reaching up to 32°C (91°F), while nighttime lows dip to a comfortable 24°C (76°F). However, visitors should prepare for frequent rain, as the area receives approximately 223 mm (8.8 in) of precipitation over about 22 days, creating a lush landscape. With humidity levels at a notable 75%, the blend of warmth and moisture adds a tropical feel to this bustling urban center.
As September rolls into Central Hong Kong, the temperatures reflect a warm transition toward autumn. With minimums stabilizing around 24°C (76°F) and an average hovering at 28°C (83°F), the month maintains the warmth of summer while gradually cooling down. Maximum temperatures reach up to 32°C (91°F), hinting at lingering heat but also suggesting the approach of milder days ahead. Compared to the peak summer months, September's weather offers a comfortable blend, making it a pleasant time for both locals and visitors to enjoy outdoor activities amid the vibrant cityscape. As the month progresses, the promise of cooler October days begins to emerge, providing a gentle shift that many eagerly anticipate.
In September, Central Hong Kong experiences significant rainfall, with a total precipitation of 223 mm (8.8 in) spread over 22 days. This marks a notable drop from the preceding month's staggering 384 mm (15.1 in), indicating a transition towards drier conditions as the region moves into the autumn months. Despite this decrease, September still ranks as one of the wetter months of the year, continuing the trend established during the summer. This consistent precipitation supports the lush greenery that characterizes Central Hong Kong, even as the sweltering heat begins to give way to milder temperatures. As the seasons shift, residents can expect a gradual decline in rainfall in the upcoming months, with October receiving 189 mm (7.4 in) over just 10 days, signaling the end of the intense summer rains.
September in Central, Hong Kong, often brings a refreshing dip in humidity, averaging 75%. After the sweltering peak of summer, characterized by 88% humidity in both July and August, residents welcome this moderate change. This month marks a transition towards the drier autumn months, as humidity levels gradually fall to 65% by October. Overall, September serves as a reminder of the city's subtropical climate, balancing the lingering warmth of summer with the subtle onset of cooler weather, creating an ideal atmosphere for outdoor activities once again.
In September, Central Hong Kong experiences a UV Index of 12, categorizing it as extreme and indicating a significant risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. This trend reflects the high UV levels typical of the summer months, where numbers peaked at 14 in May. As the season transitions to autumn, the UV Index gradually declines, yet September maintains the intensity witnessed throughout the summer. It's crucial for residents and visitors alike to stay vigilant about sun protection during this period. For more detailed information on the UV Index in Central, you can visit Central UV Index.
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As the summer warmth begins to wane, September in Central, Hong Kong, offers a delightful balance of sunshine with 288 hours of glorious daylight. This month, which follows the intensity of July's peak at 323 hours, showcases a gradual transition into autumn, with daylight hours tapering yet remaining generous. Comparatively, September retains much of the summer's brightness, comfortably overshadowing earlier months like January and February, both of which struggled below the 250-hour mark. With sunlight still gracing the vibrant streets, this month becomes a testament to the lingering charm of summer, inviting residents and visitors alike to bask in its golden rays before the cooler weather settles in. It’s a time when the dynamic energy of Central shines brightly, embracing both the hustle and tranquility of city life.
As September rolls in, Central Hong Kong experiences a marked increase in the likelihood of sunny days, with a 45% chance of sunshine. This is a welcome shift from the previous months, particularly the sultry depths of summer where July and August only offered 31% and 15% sun chances, respectively. The transition into autumn signals a gradual return to more favorable weather, reminiscent of the sunnier months of January and November, which boast 61% and 62% respectively. While September’s sun probability still lags behind the peak winter months, it provides a refreshing contrast to the preceding humidity, making it a promising time for outdoor activities in the city.
As summer gradually gives way to fall in Central, Hong Kong, September sees a balmy return to 12 hours of daylight—a continuation of the ample light enjoyed throughout the warmer months. This pattern reflects a steady decline in daylight as the year progresses, peaking at 13 hours during the height of summer. After August's slight dip, September maintains this balance, hinting at the gentle transition towards shorter days in the impending autumn months. The overall trend showcases a predictable rhythm of daylight that ebbs and flows with the seasons, inviting residents to savor the softer light of early fall before the days become shorter in October.
As summer wanes, September in Central, Hong Kong ushers in a subtle shift in the breeze, with average wind speeds dipping to 3.2 m/s (7 mph). This gentle decline from the warmer months reflects a broader trend of decreasing wind speeds from late spring through early autumn, with the calmest months typically falling between July and September. However, this tranquility is short-lived; as the city transitions into October, wind speeds make a robust comeback, rising to 6.4 m/s (14 mph), signaling the onset of the more invigorating autumn season. Thus, while September's winds may whisper softly, they pave the way for a refreshing change just around the corner.
Weather in Central varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Central, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present a striking contrast in weather conditions. In September, the temperatures are notably warmer, with a minimum of 24°C (76°F) and an average of 28°C (83°F), peaking at 32°C (91°F). This month also sees substantial rainfall, accumulating 223 mm (8.8 in) over 22 days, along with high humidity levels averaging 75%. In contrast, January is much cooler, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 24°C (75°F), and an average of 17°C (63°F). Precipitation is minimal during this month, at just 21 mm (0.8 in) across only 4 days, and humidity dips to an average of 64%. For more details about January's weather, you can visit Central weather in January.
In September, the weather is significantly warmer, with average temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F). This month also experiences high humidity at 75% and considerable rainfall, with precipitation levels reaching 223 mm (8.8 in) over 22 days. In contrast, February presents a much cooler climate, characterized by an average temperature of 17°C (64°F) and a maximum of 24°C (76°F), with a notable drop in rainfall to just 52 mm (2.0 in) over 7 days. Humidity also decreases slightly to 68%. For a more detailed look at February weather, you can visit Central weather in February.
September and March showcase distinct contrasts in weather conditions. September tends to be much warmer, with average temperatures reaching 28°C (83°F) and maximums soaring up to 32°C (91°F), while March offers a cooler climate with an average temperature of 21°C (70°F) and a maximum of 27°C (80°F). Additionally, September is characterized by significantly heavier rainfall, receiving 223 mm (8.8 in) over 22 days, compared to March's 60 mm (2.4 in) spread across just 10 days. While humidity levels remain relatively similar—75% in September and 73% in March—the overall experience is quite different, making September feel more tropical and March more temperate. For a closer look at March weather specifics, visit Central weather in March.
September and April present distinctly different weather patterns. In September, temperatures are warmer, with averages ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F), compared to April's cooler range of 14°C (58°F) to 29°C (85°F) and an average of 23°C (73°F). Additionally, September experiences significantly higher precipitation at 223 mm (8.8 in) over 22 days, while April sees only 93 mm (3.7 in) spread across 12 days. The humidity in September also remains slightly higher at 75%, juxtaposed with April's 71%. For more details on the weather in April, visit Central weather in April.
When comparing the weather in September to that of May, we notice some notable differences. September typically experiences higher temperatures, with averages around 28°C (83°F) and maximums reaching 32°C (91°F), while May offers slightly cooler conditions, averaging 26°C (79°F) with peaks of 33°C (92°F). In terms of precipitation, September sees more rainfall, accumulating 223 mm (8.8 in) over 22 days, compared to May's 171 mm (6.7 in) over 18 days. Humidity is also slightly higher in September at 75%, compared to 79% in May. For a detailed look at the conditions during this month, you can refer to Central weather in May.
In comparing the weather of September and June, we see some similarities and notable differences. Both months experience a minimum temperature of around 24°C (76°F) and an average temperature of 28°C (83°F). However, June boasts a slightly higher maximum temperature of 33°C (91°F), compared to September's peak of 32°C (91°F).
Precipitation levels are markedly different, with June receiving 325 mm (12.8 in) over 24 days, while September has 223 mm (8.8 in) over 22 days, indicating that June tends to be wetter overall. Additionally, humidity is slightly higher in June at 77%, compared to 75% in September. For a deeper insight into June's weather patterns, you can visit Central weather in June.
In comparing the weather between July and September, we can see some notable differences. July typically experiences slightly higher average temperatures, with a minimum of 25°C (78°F) and a maximum of 33°C (92°F), while September has temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F). Both months are characterized by significant humidity, but July stands out with a higher average of 88% compared to September's 75%. In terms of precipitation, September has a higher total of 223 mm (8.8 in) spread over 22 days, while July sees around 219 mm (8.6 in) over 24 days. For more detailed information on July weather patterns, you can refer to Central weather in July.
In comparing the weather between August and September, it's clear that both months maintain similar average temperatures, hovering around 28°C (83°F). However, September tends to be slightly cooler, with a lower minimum temperature of 24°C (76°F) compared to August's 26°C (78°F). Notably, August experiences higher maximum temperatures, peaking at 34°C (93°F), whereas September's maximum reaches 32°C (91°F). Precipitation levels also vary significantly; August sees a substantial 384 mm (15.1 in) of rain over 25 days, while September has a total of 223 mm (8.8 in) over 22 days. Additionally, September's humidity is somewhat lower at 75% compared to August's 88%. For more details on August's weather, you can check the link: Central weather in August.
In comparing the weather between September and October, September tends to be warmer and more humid, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F) and an average of 28°C (83°F). It also sees significantly more rainfall, accumulating 223 mm (8.8 in) over 22 days, which contributes to a higher humidity level of 75%. In contrast, October brings a drop in temperature, with a minimum of 17°C (64°F) and an average of 26°C (78°F), while still reaching up to 32°C (91°F) at its peak. Precipitation decreases to 189 mm (7.4 in) over just 10 days, and the humidity level drops to 65%. For a detailed overview of the weather in October, you can refer to Central weather in October.
September and November exhibit significantly different weather patterns. In September, temperatures are warmer, ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F), with an average of 28°C (83°F). The month is also characterized by high humidity at 75% and considerable rainfall, totaling 223 mm (8.8 in) over 22 days. In contrast, November sees a drop in temperatures, with a minimum of 16°C (60°F) and a maximum of 28°C (82°F), averaging 22°C (72°F). Precipitation is minimal, with only 36 mm (1.4 in) over 4 days and a lower humidity level of 64%. For detailed insights, you can visit Central weather in November.
September and December present contrasting weather patterns. In September, temperatures are notably higher, with average daytime highs around 32°C (91°F) and a lush humidity level of 75%, leading to an average of 223 mm (8.8 in) of rainfall over 22 days. Conversely, December experiences a cooler climate, where temperatures drop to a minimum of 10°C (49°F) and an average of 18°C (65°F), accompanied by significantly less precipitation at just 31 mm (1.2 in) over 4 days and a lower humidity of 69%. For more specific details, you can explore Central weather in December.
As September unfolds in Central, the weather presents a blend of warmth and humidity that sets it apart from other months. With temperatures reaching a maximum of 32°C (91°F) and an average of 28°C (83°F), the heat lingers before the cooler autumn breezes take hold. However, the high humidity levels at 75% can make the temperature feel even more intense, creating a distinct tropical ambiance. Coupled with frequent rainfall—spanning 22 days and totaling 223 mm (8.8 in)—September's weather is marked by a noticeable shift towards wetness, contrasting with the drier months that precede it. For a deeper dive into Central's climate characteristics, explore Central Climate.