Last updated: August 21, 2025
In September, Yantian, China, experiences a dynamic climate characterized by a maximum temperature reaching a sweltering 38°C (101°F) and an average of 27°C (81°F), while the minimum dips to a comfortable 18°C (65°F). The month is notably marked by 98 mm (3.8 in) of rainfall spread across 15 days, contributing to a humidity level of 67%. This combination of warmth and moisture creates a vibrant atmosphere, making September a time of both heat and occasional refreshment in Yantian.
In September, Yantian, China, experiences a warm and inviting climate, with temperatures reflecting the transition from summer to autumn. The minimum temperature settles at a comfortable 18°C (65°F), while the average temperature rises to a pleasant 27°C (81°F). With maximum temperatures peaking at 38°C (101°F), September continues to embrace the lingering warmth of summer. This month marks a subtle shift from the highs of August, as the heat begins to wane, yet it retains the vibrant energy of late summer. As the air cools slightly, September offers a perfect balance for outdoor activities, making it an ideal time to enjoy the beauty of this coastal region.
In September, Yantian, China, experiences a notable shift in its precipitation patterns, with 98 mm (3.8 in) of rainfall spread over 15 days. This represents a reduction from the intense downpours of the summer months, particularly July and August, which recorded 155 mm and 260 mm, respectively. The transition into autumn brings a relative ease in precipitation, contributing to clearer skies as the city begins to dry out after the monsoon season. However, September still showcases a significant amount of rainfall compared to the drier months ahead, such as October and November, where precipitation typically drops to around 72 mm (2.8 in). This gradual decrease highlights a seasonal trend as Yantian moves towards the cooler and less humid fall weather.
As summer draws to a close in Yantian, China, September experiences a notable shift in humidity levels, dropping to 67% from the peak of 88% in July. This decline signals the end of the humid season, offering a brief respite before autumn sets in, with humidity levels slightly rising again in October to 72%. Throughout the summer months, high humidity remains prevalent, peaking in May and July at 87% and 88%, respectively. However, September’s dip provides a refreshing transition, hinting at the gradually cooling temperatures and the changing season, making it a unique month in the annual humidity cycle.
As September rolls into Yantian, China, the UV Index remains notably high at 11, categorizing it as extreme with a burn time of just 10 minutes. This marks a slight decrease from the peak of 12 seen in the summer months, reflecting the tail end of intense solar exposure that begins with the year’s hottest days. The trend indicates that while September still requires vigilant sun protection, it provides a gradual transition into lower UV levels as autumn approaches. With the UV Index consistently high throughout the summer, awareness and precaution remain vital for outdoor activities this month. For more detailed insights, visit Yantian UV Index.
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September in Yantian, China, basks in a generous 273 hours of sunshine, marking a slight decline from the sunniest months of July and August, which shone for 304 and 300 hours respectively. This month demonstrates a consistent trend of plentiful sunlight as it transitions from the peak summer months, maintaining a vibrant atmosphere that encourages outdoor activities. Interestingly, the sunny days of September still outshine earlier months of the year, showcasing a gradual buildup that peaks mid-summer before a gentle descent into autumn. As daylight begins to recede towards the end of the year, September remains a radiant favorite, providing a warm embrace of light as the season changes.
In Yantian, China, the likelihood of enjoying sunny weather shows a notable increase in September, with a 45% chance of sunshine—making it one of the brighter months of the year. This uptick comes after a string of predominantly cloudy summer months, where the chances of sun plummeted to alarming lows of 6% in June and 19% in July. As summer wanes, September marks a transition, offering a reprieve with a significant rise in sunshine compared to the preceding months. Following September, the probability dips again in October, highlighting a seasonal trend where summer’s sunny embrace begins to fade, giving way to the cooler, cloudier days of autumn.
As the calendar turns to September, Yantian, China experiences a subtle shift in daylight duration, offering about 12 hours of daylight each day. This marks a gradual transition from the longer summer days, which peak at 13 hours from May to August. After basking in the ample sunlight of summer, the shortening days signal the onset of autumn, reminiscent of the natural rhythms of the changing seasons. Looking ahead, daylight will continue to decrease, dipping to 11 hours in October, before settling back to 10 hours by November and December. This gentle ebb and flow of daylight not only enriches the local landscape but also invites residents to embrace the upcoming seasonal changes.
As summer transitions to autumn, September in Yantian, China, experiences a gentle shift in the breeze. With an average wind speed of 1.7 m/s (4 mph), the winds are slightly calmer than the preceding months. This dip mirrors a broader trend seen from mid-spring to early fall, where wind speeds consistently hovered around the lower end of the spectrum, peaking briefly in July at 2.3 m/s. As the days grow shorter and autumn settles in, it's anticipated that wind speeds will gradually increase again, reaching 2.6 m/s (6 mph) by October. This rhythm of changing winds not only reflects the dynamic nature of the coastal environment but also hints at the vibrant energy that Yantian embodies throughout the seasons.
Weather in Yantian varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yantian, focusing on differences in temperature, rainfall, humidity, and UV levels.
September generally brings warmer weather compared to January, with average temperatures reaching around 27°C (81°F) and highs peaking at 38°C (101°F). In contrast, January experiences much cooler temperatures, averaging just 12°C (54°F) and rarely exceeding 26°C (79°F). September also tends to be wetter, with 98 mm (3.8 in) of precipitation over 15 days, while January sees only 44 mm (1.7 in) across 6 days. Both months have relatively high humidity, with September at 67% and January slightly lower at 66%. For more specifics on January weather, check out Yantian weather in January.
September weather is marked by significantly higher temperatures, with a minimum of 18°C (65°F) and an average of 27°C (81°F), peaking at a sweltering 38°C (101°F). This month also sees considerable precipitation, with around 98 mm (3.8 in) falling over 15 days, accompanied by a humidity level of 67%. In contrast, February presents a much cooler climate, with temperatures ranging from a chilly 2°C (35°F) to a mild maximum of 28°C (82°F) and an average of 12°C (54°F). February experiences less rainfall at 71 mm (2.8 in) across 9 days, while humidity remains slightly higher at 71%. For more specific information on February weather, refer to Yantian weather in February.
In comparing the weather of September and March, there are noteworthy differences in temperature and precipitation. September boasts warmer temperatures, with an average of 27°C (81°F) and a maximum that can reach up to 38°C (101°F). In contrast, March is significantly cooler, with an average temperature of 15°C (60°F) and a maximum of only 31°C (87°F). Precipitation levels are also slightly higher in March, totaling 123 mm (4.8 in) over 16 days, compared to September's 98 mm (3.8 in) over 15 days. Additionally, March features higher humidity levels at 81%, compared to September's 67%. For more detailed information, you can visit Yantian weather in March.
September and April present contrasting weather patterns, reflecting the changes of the seasons. In September, temperatures range from a minimum of 18°C (65°F) to a scorching maximum of 38°C (101°F), with an average of 27°C (81°F). This month experiences significant rainfall, totaling 98 mm (3.8 in) over 15 days, accompanied by a moderate humidity level of 67%. In contrast, April sees cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 31°C (89°F), averaging 19°C (66°F). While precipitation is slightly lower at 87 mm (3.4 in), it occurs over 13 days, and humidity is higher at 84%. For more details on April weather, visit Yantian weather in April.
September and May showcase distinct weather profiles, highlighting the transition between summer and autumn. In September, temperatures range from a minimum of 18°C (65°F) to a maximum of 38°C (101°F), with an average of 27°C (81°F). The month sees 98 mm (3.8 in) of precipitation over 15 days and maintains a humidity level of 67%. In contrast, May exhibits cooler temperatures, starting at a minimum of 11°C (51°F) and peaking at 35°C (95°F), with an average of 23°C (74°F). May experiences higher rainfall totaling 140 mm (5.5 in) across the same 15 days, accompanied by increased humidity at 87%. For more details on the weather in May, you can visit Yantian weather in May.
When comparing the weather in September and June, we can observe several key differences. September generally boasts slightly higher average temperatures, with a minimum of 18°C (65°F), an average of 27°C (81°F), and a maximum of 38°C (101°F). In contrast, June's temperatures are marginally lower, with a minimum of 18°C (66°F), an average of 26°C (80°F), and a maximum of 37°C (99°F). However, June experiences significantly more rainfall, averaging 286 mm (11.3 in) over 21 days, compared to September's 98 mm (3.8 in) across 15 days. This results in higher humidity levels in June, peaking at 84%, versus September's 67%. For more detailed insights, you can check Yantian weather in June.
When comparing the weather in September and July, notable differences emerge. September experiences a slightly wider temperature range, with minimums of 18°C (65°F) and maximums reaching up to 38°C (101°F), while the average temperature hovers around 27°C (81°F). In contrast, July tends to be warmer overall, with minimum temperatures starting at 24°C (75°F) and an average of 29°C (85°F). Precipitation is also higher in July, totaling 155 mm (6.1 in) over 18 days compared to September's 98 mm (3.8 in) across 15 days. Additionally, July is characterized by higher humidity levels at 88%, compared to September's 67%. For more detailed information on July weather, visit Yantian weather in July.
In comparison to August, September experiences a slight drop in overall temperature, with minimums of 18°C (65°F) compared to August's warmer minimum of 24°C (76°F). The average temperature remains fairly close, as September averages 27°C (81°F) while August's average is 29°C (84°F). Despite both months reaching a maximum of 38°C (101°F), September sees significantly less rainfall, with only 98 mm (3.8 in) over 15 days, while August is notably wetter with 260 mm (10.2 in) across 22 days. Additionally, the humidity decreases in September to 67% from August's higher 85%. For more details on August weather conditions, check the following link: Yantian weather in August.
September experiences higher temperatures with a minimum of 18°C (65°F) and an average of 27°C (81°F), peaking at 38°C (101°F). This month also sees significant rainfall, totaling 98 mm (3.8 in) over 15 days, contributing to a relatively humid atmosphere at 67%. In contrast, October brings a noticeable drop in temperature, with a minimum of 13°C (55°F) and an average of 22°C (72°F), reaching a maximum of 34°C (93°F). Precipitation decreases to 72 mm (2.8 in) over just 9 days, while humidity slightly increases to 72%. For more detailed insights on the October climate, you can check out Yantian weather in October.
In September, the weather is significantly warmer with average temperatures reaching 27°C (81°F) and a maximum of 38°C (101°F). The month sees considerable rainfall, with 98 mm (3.8 in) and precipitation on about 15 days, leading to a humidity level of 67%. On the other hand, November experiences much cooler temperatures, with an average of 18°C (65°F) and a maximum of 30°C (86°F). Rainfall decreases to 72 mm (2.8 in) over just 9 days, and humidity rises to 77%, contributing to a brisker atmosphere. For more specific details on November weather, you can refer to Yantian weather in November.
September and December present significantly contrasting weather patterns. In September, temperatures range from a mild 18°C (65°F) at night to a scorching 38°C (101°F) during the day, with an average of 27°C (81°F). This month also experiences considerable rainfall, totaling 98 mm (3.8 in) over about 15 days, while the humidity hovers around 67%. In contrast, December sees cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 27°C (81°F), averaging just 13°C (56°F). Precipitation drops to 35 mm (1.4 in) over 8 days, and humidity increases slightly to 80%. For a closer look at December’s weather specifics, you can check out Yantian weather in December.
As September unfolds in Yantian, it brings a notable transition in weather that distinguishes it from the summer months. With temperatures reaching their peak, the heat remains palpable, yet the onset of the rainy season introduces occasional downpours contributing to increased humidity. This month often experiences more consistent rainfall, with about half the days witnessing precipitation, which helps to moderate the high temperatures. The overall climate creates a unique blend of warmth and moisture, offering a vibrant contrast to the previous dry summer months. For a deeper understanding of Yantian's weather patterns, visit Yantian Climate.