Last updated: August 21, 2025
Experience the vibrant September weather in Wan Chai, Hong Kong, where temperatures range from a minimum of 24°C (76°F) to a maximum of 32°C (91°F), with an average settling at a warm 28°C (83°F). This bustling district witnesses a significant precipitation total of 223 mm (8.8 in) over approximately 22 days, contributing to the lush, tropical ambiance. With humidity hovering around 75%, visitors can expect a rich, lively atmosphere, making it an ideal time to explore the sights and sounds of the city while staying prepared for the occasional shower.
September in Wan Chai, Hong Kong, marks the transition from the sweltering summer months to more temperate conditions. With minimum temperatures hovering around 24°C (76°F) and average highs of 32°C (91°F), the month combines warmth with a slight relief from the intense heat of August. As the summer gradually wanes, the typical humidity levels begin to drop, making it more comfortable for both locals and visitors to explore the vibrant streets and outdoor attractions. The average of 28°C (83°F) signifies that while the heat continues, it's mitigated by occasional breezes, offering a pleasant weather backdrop for late-summer festivities and early autumn activities.
In September, Wan Chai experiences a substantial drop in precipitation compared to the deluge of August, with 223 mm (8.8 in) of rain recorded across 22 days. This month marks a transition as the tropical summer rains begin to wane, paving the way for the cooler months ahead. While rainfall remains significant, it shifts from the peak August total of 384 mm (15.1 in), indicating that the intensity of storms gradually recedes. Notably, September maintains a high number of rainy days, reinforcing the lingering influence of the monsoon season. This combination of high precipitation and numerous rainy days sets the stage for the city's vibrant autumn, as Wan Chai bids farewell to the relentless summer showers.
As summer fades into autumn, September in Wan Chai, Hong Kong, experiences a noticeable dip in humidity, averaging around 75%. This marks a decline from the sweltering peak months of July and August, both characterized by a high 88% humidity, which can be quite stifling. Following this brief respite, the trend shifts again as temperatures continue to drop, leading to October's more comfortable average of 65%. Overall, September serves as a transitional period, offering relief from the oppressive summer heat while still retaining a hint of that tropical warmth, making it an ideal time for outdoor exploration before the coolness settles in.
In September, the UV Index in Wan Chai, Hong Kong, remains a significant concern with a reading of 12, categorized as extreme. This reflects a consistent trend seen over the summer months, where intensities peaked at 14 in May and maintained a steady 13 throughout the hotter months of June to August. With a burn time of just 10 minutes, residents and visitors alike should be vigilant about sun protection, as this level of UV exposure can lead to serious skin damage. Looking back at the year, it’s evident that the UV Index is highest from March through October, emphasizing the importance of safeguarding against harmful rays during these crucial months. For more detailed information, check the full UV Index data for the region here: Wan Chai UV Index.
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September brings a delightful 288 hours of sunshine to Wan Chai, Hong Kong, continuing the city's trend of vibrant summer warmth. This month, although slightly lower than the sun-soaked peaks of July with its 323 hours, still offers a generous glow that ushers in the autumn season. Following the robust sunshine of August at 280 hours, September maintains a strong showing, hinting at a consistent pattern of sunny days that have graced this bustling area since the start of the year. As the city transitions into fall, the sunlight serves as a reminder of the lingering summer vibrance, encouraging both residents and visitors to relish the warmth before the clouds of winter begin to settle in.
September in Wan Chai, Hong Kong, presents a notable improvement in sunny weather compared to the preceding summer months, boasting a 45% chance of sunshine. While this figure still falls short of the winter months, like January and November, which enjoy around 61% and 62% sunshine respectively, it marks a clear departure from the dismal days of June and August, where the likelihood drops to 12% and 15%. This trend suggests that as the oppressive summer heat begins to wane, residents and visitors alike can look forward to more favorable weather for outdoor activities and exploration in the vibrant streets of Wan Chai.
As September unfolds in Wan Chai, Hong Kong, residents enjoy 12 hours of daylight, marking a transition from the sun-drenched days of summer. The daylight hours begin to wane after the peak reached in May and June with their abundant 13 hours. Following September, the sun's presence continues to decrease, tapering down to 11 hours in October and November, and then further to 10 hours in December. This gentle decline, from the longer summer days to the shorter winter months, illustrates a rhythmic shift in seasonal patterns, creating a soothing cadence that guides the city's residents from the vibrant summer energy into the cozy embrace of autumn.
As September rolls into Wan Chai, Hong Kong, the gentle breeze begins to signal the transition from summer's heat. With an average wind speed of 3.2 m/s (7 mph), this month experiences the softest gusts of the year, a stark contrast to the more robust winds that follow in October at 6.4 m/s (14 mph). This gradual decline in wind speed from the summer months is indicative of a shifting climate, as August recorded 3.4 m/s (8 mph). The milder September breezes create a uniquely tranquil atmosphere, inviting residents and visitors alike to savor the lingering warmth before autumn's arrival. As the winds pick up again in the following months, September stands as a serene prelude to the dynamic energy that Hong Kong's weather will soon embrace.
Weather in Wan Chai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Wan Chai, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present starkly contrasting weather conditions. In September, the temperatures are warm, with a minimum of 24°C (76°F), an average of 28°C (83°F), and a maximum reaching 32°C (91°F). This month also sees considerable rainfall, with 223 mm (8.8 in) of precipitation occurring over 22 days, coupled with a humidity level of 75%. In contrast, January experiences much cooler temperatures, with a minimum of 8°C (46°F), an average of 17°C (63°F), and a maximum of 24°C (75°F). Additionally, precipitation drops significantly to just 21 mm (0.8 in) over 4 days, and humidity is also lower at 64%. For more detailed information, you can check Wan Chai weather in January.
September and February present stark contrasts in weather characteristics. In September, temperatures soar with a minimum of 24°C (76°F) and an average of 28°C (83°F), reaching up to 32°C (91°F). This month is also marked by high humidity levels at 75% and significant rainfall, accumulating 223 mm (8.8 inches) over 22 days. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 24°C (76°F) and an average of 17°C (64°F). Precipitation is minimal during this month, totaling just 52 mm (2.0 inches) over 7 days, and humidity is lower at 68%. For more detailed information, you can check Wan Chai weather in February.
In September, the weather is considerably warmer, with average temperatures around 28°C (83°F) and highs reaching up to 32°C (91°F). This month also experiences significant rainfall, with 223 mm (8.8 in) of precipitation spread over 22 days, contributing to a high humidity level of 75%. In contrast, March offers a cooler climate, with average temperatures around 21°C (70°F) and maximums peaking at 27°C (80°F). Precipitation in March is much lower, with only 60 mm (2.4 in) over 10 days, and humidity remains slightly less at 73%. For more specific insights into March weather, you can visit Wan Chai weather in March.
In comparing the weather of September and April, there are notable differences in temperature, precipitation, and humidity levels. September typically sees warmer temperatures, with averages around 28°C (83°F) and daily maximums reaching 32°C (91°F), compared to April, where the average temperature is a cooler 23°C (73°F), peaking at 29°C (85°F). Additionally, September is marked by a significantly higher precipitation level of 223 mm (8.8 in) over 22 days, whereas April experiences only 93 mm (3.7 in) across 12 days. Despite these differences, both months maintain relatively high humidity, with September at 75% and April slightly lower at 71%. For more detailed information on April weather, you can check Wan Chai weather in April.
September weather tends to be warmer than May, with average daily temperatures ranging from a minimum of 24°C (76°F) to a maximum of 32°C (91°F). In contrast, May sees lower temperatures, with a minimum of 18°C (64°F) and a maximum of 33°C (92°F). While both months experience significant humidity, September has an average humidity of 75%, slightly lower than May's 79%. Precipitation levels are also higher in September, with 223 mm (8.8 in) spread over 22 days compared to May's 171 mm (6.7 in) over 18 days. For a detailed look at May's weather patterns in Wan Chai, you can visit Wan Chai weather in May.
When comparing the weather in September and June, both months experience similar temperature ranges, with minimums around 24°C (76°F) and averages hovering at 28°C (83°F). However, June tends to be slightly warmer with a maximum temperature of 33°C (91°F), compared to September's maximum of 32°C (91°F). Precipitation levels vary significantly, with June receiving 325 mm (12.8 in) over 24 days, compared to September's 223 mm (8.8 in) over 22 days, indicating that June is generally wetter. Additionally, humidity levels are quite close, with September at 75% and June at 77%. For more specific details on the climate, you can refer to Wan Chai weather in June.
In comparing the weather between September and July, we find that both months experience warm temperatures, though July is slightly warmer overall. July's minimum temperature is 25°C (78°F), compared to September's 24°C (76°F), with averages of 29°C (84°F) and 28°C (83°F) respectively. Maximum temperatures in July reach 33°C (92°F), while September peaks at 32°C (91°F). In terms of precipitation, September receives 223 mm (8.8 in) over 22 days, closely rivaling July's 219 mm (8.6 in) over 24 days, making both months quite wet. Notably, humidity levels are higher in July at 88%, compared to 75% in September. For more details on July's weather, you can refer to Wan Chai weather in July.
In September, temperatures are slightly cooler, with a minimum of 24°C (76°F) compared to August's minimum of 26°C (78°F). While both months share an average temperature of 28°C (83°F), August experiences a higher maximum temperature of 34°C (93°F), indicating more extreme heat. Precipitation levels also differ significantly; September sees 223 mm (8.8 in) of rain over 22 days, while August has a much higher total of 384 mm (15.1 in) over 25 days. Additionally, humidity is notably lower in September at 75%, compared to a higher 88% in August. For more detailed information about August weather, visit Wan Chai weather in August.
September weather tends to be warmer and more humid, with average temperatures reaching around 28°C (83°F) and a minimum of 24°C (76°F). It also experiences higher rainfall, totaling 223 mm (8.8 in) over 22 days, resulting in a humidity level of 75%. In contrast, October sees a significant drop in both temperature and humidity, with average temperatures around 26°C (78°F) and a minimum of 17°C (64°F). Precipitation decreases to 189 mm (7.4 in) over just 10 days, contributing to a more comfortable humidity level of 65%. For more detailed information, you can check Wan Chai weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 24°C (76°F) and an average high of 32°C (91°F). This month also sees significant rainfall, with 223 mm (8.8 in) recorded over 22 days, resulting in a humidity level of 75%. In contrast, November brings a noticeable change with cooler temperatures, ranging from a minimum of 16°C (60°F) to an average high of 28°C (82°F). Precipitation drops dramatically to just 36 mm (1.4 in) over only 4 days, accompanied by lower humidity at 64%. For a more detailed look at the weather, you can visit Wan Chai weather in November.
September and December present strikingly different weather conditions. In September, temperatures are notably 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). This month also sees significant rainfall, with 223 mm (8.8 in) of precipitation occurring over 22 days, leading to a high humidity level of 75%. In contrast, December experiences much cooler temperatures, with a range from a minimum of 10°C (49°F) to a maximum of 26°C (78°F) and an average of 18°C (65°F). Precipitation drops dramatically to just 31 mm (1.2 in) over only 4 days, and humidity decreases to 69%. For a closer look at December’s weather, you can visit Wan Chai weather in December.
As September rolls in, Wan Chai experiences a notable shift in its weather dynamics, providing a blend of heat and humidity that sets it apart from the preceding summer months. While temperatures remain warm, the increased frequency of rainfall—spanning 22 days—brings a refreshing contrast, contributing to a distinctly tropical atmosphere. With an average humidity level of 75%, the air feels noticeably heavier, making this month a unique experience for locals and visitors alike. To delve deeper into the nuances of Wan Chai's climate and better prepare for your visit, check out Wan Chai Climate.