Last updated: August 21, 2025
September in Macau brings a humid tropical climate, with average temperatures hovering around 28°C (83°F). Visitors can expect maximum highs of approximately 33°C (93°F) and comfortable lows around 24°C (75°F). This month is marked by significant rainfall, accumulating to about 233 mm (9.2 in) over 22 days, making it one of the wetter periods of the year. With an average humidity level of 75%, the air can feel quite muggy, so packing light, breathable clothing is essential for exploring this vibrant city.
As September unfolds in Macau, visitors can expect warm and inviting temperatures that mark the transition from summer to autumn. With minimums around 24°C (75°F) and averages peaking at 28°C (83°F), the month still feels pleasantly summery, although the blistering heat of July and August begins to ease. Highs can reach 33°C (93°F), offering plenty of opportunities for outdoor exploration and enjoyment. The humidity gradually starts to decrease, making September an ideal time to experience this vibrant city’s attractions without the intense summer swelter. As the month progresses, this charming destination offers a perfect blend of warmth and comfort, perfect for both relaxation and adventure.
September in Macau brings a notable shift in precipitation patterns, with 233 mm (approximately 9.2 inches) of rainfall recorded over 22 days. This marks a decrease from the record-breaking rains of August, which had seen a staggering 396 mm (15.6 in) across 26 days. As the month progresses, the monsoon season winds down, yet September still showcases significant moisture, making it one of the wetter months of the year. Travelers can expect a mix of sunny spells interspersed with tropical showers, reflecting the region's characteristic humidity. This transitional period hints at the approach of drier months ahead, with October showcasing a further dip in both rainfall amounts and days of precipitation. The dance between wet and dry seasons underscores Macau's dynamic climate, where September stands as both a culmination of summer rains and a prelude to autumn's arrival.
As summer gives way to autumn, September's humidity in Macau experiences a noticeable decline, settling at 75%. This marks a significant drop from the sweltering heights of 88% seen in both July and August. As the months progress from the humid summer, where the air feels thick and heavy, September offers a more comfortable atmosphere, yet still retains a hint of warmth. This transitional period hints at the drier months ahead, with October further reducing humidity to 65%. Overall, October through December continues a gradual decrease in humidity, emphasizing a shift toward a more temperate climate as the year winds down.
In September, Macau experiences a UV Index of 11, falling into the extreme exposure category, which means sun safety is still crucial at this time of year. This index indicates a notable decrease from the peak of 14 in May, yet remains higher than the levels seen in November and December. With a burn time of just 10 minutes, it's essential for residents and visitors alike to take precautions when enjoying the outdoors. As summer transitions to autumn, the UV index gradually shifts, reminding us to stay vigilant against sun exposure. For more detailed information, check out Macau UV Index.
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As summer fades into autumn, September in Macau offers a delightful continuation of sunny days, with 287 hours of sunshine lighting up the city. This marks a slight decrease from the sun-soaked peak of 318 hours in July, yet September maintains a robust brightness that outshines the earlier months. The transition into fall brings a comforting warmth, with hours of sunshine gradually tapering down from the summer highs but still offering ample opportunity to explore Macau's vibrant streets and stunning landscapes. With a steady pattern observed throughout the year, visitors can expect a consistently enjoyable climate that makes every month charming in its own right.
In September, Macau enjoys a 44% chance of sunny weather, marking an upward trend as the summer months wind down. This likelihood is significantly higher compared to the gloomy days of June and August, which see probabilities as low as 11% and 15%, respectively. While still not at its peak, September's sun offer is a refreshing respite following the sweltering summer heat, providing a pleasant backdrop for outdoor activities. As the month progresses, the weather gradually shifts towards a more favorable, sunnier climate, paving the way for the brighter days of October and November, which boast chances of 35% and 63% sun respectively.
In September, Macau enjoys a delightful 12 hours of daylight, marking a smooth transition from the longer summer days. Following the peak of 13 hours during the vibrant months of May, June, and July, daylight begins to gently recede, signaling the approaching autumn. This seasonal shift presents an inviting atmosphere for exploration and outdoor activities, as the weather remains warm and the sun graces the skies for a generous portion of the day. As the year progresses, October will see daylight diminish to 11 hours, continuing the trend of shorter days, yet September still offers ample time to bask in the beauty of this charming locale.
As summer gives way to autumn, September winds in Macau bring a noticeable shift, with average wind speeds dropping to 2.6 m/s (6 mph), the year's lowest. This marks a gentle transition from the breezy months of June and July, which saw winds averaging around 4.1 m/s, to the more tranquil air of early fall. Interestingly, while September's breeziness lessens, it paves the way for October's resurgence, with winds picking up again to 5.4 m/s (12 mph). This rhythmic ebb and flow of the winds reflect a typical climatic pattern for the region, enhancing the unique charm of Macau as it shifts seasons, inviting visitors to experience its serene yet dynamic atmosphere.
Weather in Macau varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Macau, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present two distinctly different weather patterns. In September, temperatures range from a minimum of 24°C (75°F) to a scorching maximum of 33°C (93°F), with an average of 28°C (83°F). Additionally, the month is characterized by high humidity at 75% and significant rainfall, totaling 233 mm (9.2 in) over 22 days. In contrast, January offers a much cooler climate, with temperatures ranging from a low of 7°C (44°F) to a comfortable high of 25°C (77°F), averaging around 17°C (63°F). Rainfall is minimal during this month, totaling only 17 mm (0.7 in) over just 2 days, and humidity drops to 64%. For more details, check out Macau weather in January.
September and February present strikingly contrasting weather conditions. In September, temperatures are considerably warmer, with a minimum of 24°C (75°F) and an average of 28°C (83°F), reaching highs of 33°C (93°F). The month is also characterized by significant rainfall, totaling 233 mm (9.2 in) over 22 days, contributing to a high humidity level of 75%. In contrast, February offers much cooler temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 25°C (78°F), with an average of 17°C (63°F). The precipitation is significantly lower, with only 49 mm (1.9 in) falling over just 6 days, and humidity levels are also more moderate at 68%. For more details on February weather in Macau, check out Macau weather in February.
When comparing the weather conditions in September and March, a stark contrast emerges. September boasts higher temperatures, with a minimum of 24°C (75°F) and an average reaching 28°C (83°F), while March presents a cooler climate, with temperatures starting at a low of 12°C (53°F) and averaging around 21°C (70°F). Additionally, September is characterized by significantly higher rainfall, totaling 233 mm (9.2 in) over 22 days, compared to March’s much drier conditions with only 62 mm (2.4 in) over 11 days. Humidity levels are quite similar, standing at 75% in September and 73% in March. For a detailed overview of March weather, you can check out the Macau weather in March.
September and April present distinct weather patterns that reflect the changing seasons. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (93°F), with an average of 28°C (83°F). This month is characterized by significant rainfall, totaling 233 mm (9.2 in) over 22 days, resulting in a humid environment with humidity levels around 75%. In contrast, April experiences milder temperatures, with a minimum of 14°C (57°F) and a maximum of 30°C (86°F), leading to an average of 23°C (74°F). Precipitation is much lower at 114 mm (4.5 in) over 13 days, and humidity sits slightly lower at 71%. For more detailed insights into April’s weather, you can visit Macau weather in April.
In comparing the weather between September and May, September tends to be hotter, with average temperatures reaching 28°C (83°F) and maximums hitting 33°C (93°F). In contrast, May averages a slightly cooler 27°C (80°F) with similar peak temperatures of 33°C (92°F). However, September is notably wetter, experiencing 233 mm (9.2 in) of precipitation over 22 days, compared to May's 167 mm (6.6 in) over 19 days. Humidity levels in September are slightly lower at 75%, while May is more humid at 79%. For more details about May's weather specifically, you can check this link: Macau weather in May.
When comparing the weather in September and June, both months exhibit similar temperature ranges, with September showcasing a minimum of 24°C (75°F), an average of 28°C (83°F), and a maximum of 33°C (93°F), while June has slightly higher average temperatures with a minimum of 24°C (76°F) and an average of 29°C (84°F). Precipitation is notably heavier in June, with 310 mm (12.2 in) compared to September's 233 mm (9.2 in), and June tends to have a few more rainy days—24 days versus September's 22 days. Additionally, humidity levels are similar, with June at 77% and September at 75%. For a more detailed look at June weather patterns, you can visit Macau weather in June.
When comparing September and July weather, we see that September features slightly lower temperatures, with averages ranging from a minimum of 24°C (75°F) to a maximum of 33°C (93°F) compared to July's minimum of 26°C (78°F) and maximum of 35°C (95°F). Both months experience significant rainfall, with September receiving 233 mm (9.2 in) over 22 days, while July is slightly wetter at 238 mm (9.4 in) across 24 days. Humidity levels are also notable, with September at 75% and July peaking at 88%. For a closer look at July weather patterns, visit Macau weather in July.
In comparing the weather of September and August, we see notable differences in both temperature and precipitation. September experiences slightly cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 33°C (93°F), while August has warmer conditions, ranging from a minimum of 26°C (79°F) to a maximum of 36°C (97°F). Precipitation levels are also higher in August, totaling 396 mm (15.6 in) over 26 days compared to September's 233 mm (9.2 in) over 22 days. Additionally, humidity levels are more pronounced in August at 88%, whereas September's humidity is measured at 75%. For more details, you can refer to Macau weather in August.
In September, temperatures in the region are notably warmer, with a minimum of 24°C (75°F) and averaging around 28°C (83°F), reaching highs of 33°C (93°F). The month is also characterized by high humidity levels at 75% and significant rainfall, totaling 233 mm (9.2 in) across 22 days. In contrast, October brings a welcome shift as the temperatures drop, featuring a minimum of 17°C (62°F) and an average of 25°C (78°F), while still hitting a maximum of 33°C (91°F). Precipitation decreases to 177 mm (7.0 in) over just 11 days, and humidity reduces to a more comfortable 65%. For more detailed information, visit Macau weather in October.
In September, the weather is typically warm and humid, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (93°F) and an average of 28°C (83°F). This month also sees significant rainfall, with 233 mm (9.2 in) of precipitation spread over 22 days, leading to a high humidity level of 75%.
In contrast, November experiences much cooler temperatures, with a minimum of 15°C (59°F), an average of 22°C (72°F), and a maximum of 29°C (84°F). Additionally, precipitation drops substantially to just 26 mm (1.0 in) over 5 days, resulting in lower humidity levels of 64%. For more details, you can check Macau weather in November.
September and December present strikingly different weather conditions. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (93°F), with an average of 28°C (83°F), making it a warm month filled with humidity at 75%. The month is also characterized by significant rainfall, with 233 mm (9.2 in) falling over 22 days. In contrast, December experiences much cooler temperatures, with a minimum of 9°C (48°F), an average of 18°C (64°F), and a maximum of 27°C (81°F). Additionally, December sees far less rainfall, totaling only 22 mm (0.8 in) across just 3 days, and a slightly lower humidity level of 69%. For more detailed insights, visit Macau weather in December.
As summer gives way to autumn, September in Macau brings a noticeable shift in weather, characterized by warm temperatures and a substantial increase in rainfall, with significant precipitation on 22 days of the month. While the days remain comfortably warm, peaking at around 33°C, humidity levels can make it feel even hotter, creating a distinctly muggy atmosphere. This blend of warmth and moisture makes September quite unique compared to other months, where rain is more sporadic. For those planning a visit, be prepared for sudden showers amidst the heat, and don’t forget to check out the details on Macau Climate for a comprehensive overview.