Last updated: August 21, 2025
In Bo'ao, China, September brings warm and humid conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F) and an average of 28°C (83°F). This month is also characterized by significant rainfall, accumulating 177 mm (7.0 in) over approximately 23 days, making it one of the wettest periods of the year. With humidity levels at a high 82%, visitors can expect a muggy climate, perfect for enjoying the lush landscapes and vibrant coastal scenery, though it's advisable to prepare for intermittent showers.
In September, Bo'ao, China, welcomes a transition into the cooler autumn months with temperatures that range from a minimum of 24°C (75°F) to a pleasant average of 28°C (83°F), peaking at 34°C (94°F). As summer wanes, the daytime warmth persists, yet a noticeable dip in minimum temperatures compared to the sweltering heights of July and August hints at the approaching fall season. This gradual decline signals a shift from the intense heat, allowing residents and visitors to enjoy the region's lush surroundings without the oppressive summer humidity. Overall, September strikes a delightful balance, offering comfortable days and warm evenings, making it an ideal time to explore Bo'ao's scenic coastline and vibrant culture.
In September, Bo'ao experiences a significant amount of rainfall, with 177 mm (7.0 in) of precipitation over 23 days. This pattern follows the peak wetness of August, when the region received a substantial 230 mm (9.0 in), indicating that late summer showers are common and continue to linger into early autumn. The rainfall in September, while lower than in August, remains considerable, reflecting a transition period marked by persistent humidity and frequent downpours. As the year progresses into October, precipitation is expected to rise again, with 233 mm (9.2 in) anticipated, suggesting that while September maintains high levels of rainfall, it is just one phase in Bo'ao's richly wet climate.
In Bo'ao, China, September brings a noticeable dip in humidity, with levels averaging around 82%. This marks a decline from the sweltering summer months of July and August, where humidity peaked at 87% and 86%, respectively. As the year progresses, humidity levels overall tend to be highest during the summer, gradually decreasing from the early fall onwards. The trend reveals a progressively rising humidity in the spring, peaking in the summer before subsiding again in the fall and winter months. Notably, September's humidity is still relatively high compared to the earlier months of the year, where January starts at 74% and slowly climbs through the spring. Thus, while the warmth of summer begins to fade, September retains a sense of humidity, hinting at the lingering tropical climate of this coastal paradise.
In Bo'ao, China, the UV Index showcases a striking trend of extreme sun exposure during the warmer months, particularly from February to July, when it peaks at an intense 14. As summer transitions into early autumn, September maintains a UV Index of 13, indicating sustained high risk for sunburn with a burn time of just 10 minutes. This persistent intensity means that proper protection is crucial for anyone outdoors. As temperatures begin to cool in October, the UV Index drops slightly to 12, yet still falls within the extreme category, reminding residents and visitors alike to stay vigilant. For more detailed insights into the UV Index dynamics, check out Bo'ao UV Index.
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In Bo'ao, China, September embraces a delightful balance of sunshine, boasting approximately 298 hours of bright daylight. As summer transitions into autumn, this month reflects a slight decrease from the sun-drenched heights of July and August, which enjoyed 328 and 304 hours respectively. However, September still outshines the earlier months of the year, showcasing a consistent trend in generous sunshine that enhances the region's appeal. Overall, the sun-soaked landscape of Bo'ao during September serves as a beautiful reminder of the lingering warmth before the cooler autumnal days set in.
In Bo'ao, China, the weather in September presents a 34% chance of sunny days, marking a slight dip compared to the preceding months. As the summer months come to a close, the likelihood of sunshine gradually decreases from the warmer highs seen earlier in the season. Despite September's modest sunshine potential, it's still an improvement over the following months, such as October, which sees a stark 17% chance. This trend of fluctuating sunshine is indicative of the transition into the cooler, more unpredictable weather of autumn, making early September a decent bet for those seeking to soak up the sun before winter sets in.
In September, Bo'ao, China, enjoys a pleasant 12 hours of daylight, mirroring the duration seen in both March and April. As summer fades, the daylight gradually tapers off from the longer days of June and July, which each boast 13 hours. This month transitions beautifully, with daylight hours beginning to decline towards the 11 hours typical of October and November. This pattern highlights a gradual shift from the vibrant summer months into a more subdued autumn, where the sun still graces the skies for a significant portion of the day, allowing residents and visitors alike to savor the changing seasons amidst the beautiful coastal landscape.
As the summer heat fades, September in Bo'ao ushers in a gentle lull with an average wind speed of 2.5 m/s (6 mph), making it the calmest month of the year. This drop contrasts sharply with the 4.4 m/s (10 mph) gusts of May and 4.5 m/s (10 mph) in October, marking the shift into a more tranquil autumn. The prevailing wind patterns show a gradual increase throughout the early months, peaking in late spring, before retreating to their slowest pace by September. Interestingly, this serene breeziness serves as a prelude to the brisker winds of fall, hinting at nature's rhythmic transitions while inviting the coastal community to embrace the serene charms of Bo'ao's early autumn landscape.
Weather in Bo'ao varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bo'ao, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warm temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), reaching highs of up to 34°C (94°F). The month experiences significant rainfall, totaling 177 mm (7.0 in) over 23 days, accompanied by high humidity levels of 82%. In contrast, January brings a noticeable drop in temperature, with nighttime lows of 9°C (49°F) and an average of 20°C (69°F), peaking at 28°C (82°F). The precipitation sharply decreases to 30 mm (1.2 in) over just 8 days, and humidity levels are more moderate at 74%. For a detailed look at January weather, you can visit Bo'ao weather in January.
In comparing September and February weather, it is evident that September is characterized by significantly warmer temperatures, with daily averages around 28°C (83°F) and highs reaching up to 34°C (94°F). The month also sees considerable rainfall, with a hefty total of 177 mm (7.0 in) spread over 23 days, contributing to a high humidity level of 82%. In contrast, February offers a much cooler climate, with average temperatures around 20°C (69°F) and a maximum of 30°C (86°F). Precipitation is minimal during this month, totaling just 34 mm (1.4 in) over 8 days, and humidity is relatively lower at 75%. For more detailed information, you can check Bo'ao weather in February.
When comparing the weather between September and March, September stands out as a much warmer and wetter month. With minimum temperatures around 24°C (75°F) and a maximum reaching up to 34°C (94°F), it offers an average temperature of 28°C (83°F). In contrast, March presents cooler conditions, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 32°C (89°F) and an average of 24°C (75°F).
Precipitation also varies significantly, with September experiencing heavier rainfall at 177 mm (7.0 in) over 23 days, compared to March’s much lighter 46 mm (1.8 in) spread across 12 days. Furthermore, humidity levels are relatively high in both months, but September, with an average humidity of 82%, is slightly more humid than March’s 78%. For more specific details, you can check Bo'ao weather in March.
In comparing the weather between September and April, we see notable differences in temperature and precipitation. September experiences higher temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at 34°C (94°F). In contrast, April is cooler, starting at a minimum of 17°C (62°F) and averaging 25°C (78°F), with a maximum of 33°C (91°F). While both months are humid, September's humidity is slightly higher at 82%, compared to April's 80%. Additionally, September receives more rainfall, totaling 177 mm (7.0 in) over 23 days, while April sees less at 109 mm (4.3 in) over 14 days. For further details, you can check Bo'ao weather in April.
In comparing the weather of September and May, both months exhibit warm temperatures, with September showcasing a minimum of 24°C (75°F) and May slightly cooler at 20°C (68°F). The average temperature in both months hovers around 28°C (83°F), though May can peak at a slightly higher maximum of 35°C (96°F) compared to September’s 34°C (94°F). Precipitation is more abundant in September, experiencing 177 mm (7.0 in) over 23 days, whereas May sees less rainfall, totaling 132 mm (5.2 in) over 16 days. Humidity levels are fairly similar, with September at 82% and May at 81%. For those looking for specific insights into May's climate, you can find more information here: Bo'ao weather in May.
In comparing the weather between September and June, we see some notable differences. September tends to be slightly cooler, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), while June is warmer, with temperatures reaching up to 37°C (98°F). Additionally, September experiences more precipitation, with 177 mm (7.0 in) over 23 days, compared to June's 125 mm (4.9 in) over just 14 days. Humidity levels are relatively similar, at 82% in September and 81% in June, making both months feel quite humid. You can find more specific details about June weather in Bo'ao using this link: Bo'ao weather in June.
When comparing the weather in September and July, one can observe notable differences in temperature, precipitation, and humidity. In September, the temperatures range from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), with an average of 28°C (83°F). July, on the other hand, tends to be slightly warmer, with a minimum of 25°C (78°F) and a maximum of 35°C (96°F), averaging 29°C (84°F). Both months experience significant rainfall, with September receiving 177 mm (7.0 in) over 23 days, while July sees 183 mm (7.2 in) across 18 days. Additionally, July exhibits higher humidity levels at 87% compared to September's 82%, making July feel more oppressive. For more detailed insights into the weather conditions, you can check Bo'ao weather in July.
In comparing the weather of September and August, September presents slightly cooler temperatures, with averages around 28°C (83°F) compared to August's 29°C (84°F). The maximum temperature in September is also lower at 34°C (94°F) versus August's peak of 36°C (97°F). Additionally, September experiences more rainfall with a total of 177 mm (7.0 in) over 23 days, while August sees 230 mm (9.0 in) across 24 days. Humidity remains high in both months, but is slightly lower in September at 82% compared to 86% in August. For a more detailed overview, you can check Bo'ao weather in August.
In September, the weather is characterized by warmer temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at a maximum of 34°C (94°F). The month also sees considerable rainfall, with a total precipitation of 177 mm (7.0 in) spread over 23 days and an average humidity of 82%. In contrast, October experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 26°C (79°F), while the maximum drops a bit to 33°C (92°F). However, October is marked by even higher precipitation, totaling 233 mm (9.2 in) across 20 days, and a humidity level of 81%. For a more detailed look at October weather, check out Bo'ao weather in October.
In September, the weather tends to be quite warm, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), while the humidity remains high at 82%. This month also sees substantial rainfall, accumulating to 177 mm (7.0 in) over about 23 days, which can lead to a rather humid and damp atmosphere.
In contrast, November brings cooler temperatures, with averages dipping to a minimum of 18°C (64°F) and a maximum of 29°C (85°F). The overall precipitation is significantly lower at 73 mm (2.9 in) over 13 days, coupled with slightly reduced humidity at 80%. This makes November a more comfortable month for outdoor activities compared to the rainier and more humid conditions of September. For more information on the weather during this month, you can check Bo'ao weather in November.
In September, the weather is notably warmer, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), and an average of 28°C (83°F). This month also experiences significant rainfall, with 177 mm (7.0 in) of precipitation over 23 days, contributing to a high humidity level of 82%. In contrast, December sees cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 28°C (82°F), averaging around 21°C (70°F). Rainfall during this month is substantially reduced to 44 mm (1.7 in) over just 7 days, and humidity drops slightly to 79%. For more detailed information, you can visit Bo'ao weather in December.
As September rolls into Bo'ao, the weather showcases a unique blend of warmth and humidity that sets it apart from other months. With average temperatures hovering around a balmy 28°C (83°F), it's the perfect time to embrace the tropical ambiance. However, this month also brings increased rainfall, with precipitation occurring on nearly 23 days, resulting in a notable 177 mm (7.0 in) of rain. The air feels quite humid, with levels around 82%, making the atmosphere feel a bit heavier than usual. If you're planning a visit, be sure to check out the full details on the seasonal variations at Bo'ao Climate, to make the most of your experience in this vibrant coastal town.