September Weather in Yantian, China

Last updated: August 21, 2025

In September, Yantian, China welcomes a warm transition into autumn, with maximum temperatures soaring to 37°C (98°F) and an average of 26°C (79°F). As the month progresses, temperatures dip to a refreshing minimum of 16°C (62°F). Rainfall is a part of this dynamic climate, with an average precipitation amount of 89 mm (3.5 in) spread across 13 rainy days, contributing to a humidity level of 62%. Visitors should prepare for a mix of warm sunshine and occasional showers, making it an intriguing time to experience the region's vibrant atmosphere.

September Temperature in Yantian

In September, Yantian, China, experiences a delightful blend of warmth and cooling breezes, with temperatures ranging from a mild 16°C (62°F) at night to a balmy 37°C (98°F) during the day. As summer gives way to autumn, the average temperature settles at a comfortable 26°C (79°F), making it an ideal time for outdoor activities and exploring the scenic coastline. Compared to the sizzling heights of July and August, where temperatures often soar above 35°C (95°F), September offers a refreshing transition, signaling the end of the hot season while maintaining a pleasant warmth. This careful balance of warmth ensures that Yantian remains a charming destination, inviting both residents and visitors to relish its late-summer atmosphere.

September Weather in Yantian: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Yantian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yantian, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec454857657379848479675848
Data source: Temperature data for Yantian generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Yantian

September in Yantian, China, sees a precipitation amount of 89 mm (3.5 in), marking a slight decline from the summer months but still indicative of the region's wetter climate. With 13 days of rain, September retains a significant balance, comparable to the previous months, reflecting a transition into the drier autumn season. This gradual decrease in both rainfall and rainy days highlights a noticeable trend as the region shifts from the peak of its wet season in June and May, where precipitation amounts soared to 319 mm (12.6 in) and 262 mm (10.3 in) respectively. As September draws near the end of summer, the weather begins to balance, paving the way for the drier months ahead, while still showcasing Yantian's lush, vibrant surroundings nurtured by the preceding rains.

September Precipitation Trends in Yantian

The chart displays monthly precipitation patterns in Yantian, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Yantian, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec488718919126231919813389477748
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yantian

As summer fades, September in Yantian, China brings a refreshing dip in humidity, dropping to a comfortable 62%. This marks a notable shift from the peak months of July and August, where humidity reached a steamy 89% and 86%, respectively. The transition into autumn is characterized by a gradual decrease, beginning with March’s high of 81% and peaking at 86% in both May and June. By early fall, Yantian experiences this pleasant reprieve, offering a welcome change that invites outdoor activities before the more humid months return. The month sets the stage for October's similar humidity levels, hinting at a consistent trend as the region shifts toward cooler, less humid conditions.

September Average Humidity in Yantian

This chart illustrates the average monthly humidity levels in Yantian, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Yantian is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%81%82%86%86%89%86%62%62%71%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yantian

In September, Yantian, China, experiences a UV Index of 11, placing it in the extreme category, with a burn time of just 10 minutes. This marks a slight decrease from the peak index of 13 seen in the previous two months, but the need for sun protection remains critical. As summer transitions into autumn, the overall trend illustrates a powerful sun presence from June through September, with UV levels consistently flirting with the extremes. It's essential to stay vigilant about sun safety during this period to avoid harmful effects. For more information on UV levels throughout the year, visit Yantian UV Index.

Maximum UV Index Levels in Yantian for September

The chart shows the monthly maximum UV Index (UVI) for Yantian in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Yantian typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212131311976
Data source: Yantian September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Yantian

September in Yantian, China, brings a delightful abundance of sunshine, with 272 hours basking in warm rays. While this is a slight dip from the previous month’s peak of 322 hours in August, the trend still showcases a strong summer with consistently high sunlight hours throughout the summer months. From the beginning of the year, where January saw only 154 hours, Yantian has experienced a steady increase, peaking in July. As the days shorten leading into fall, September stands out as a vibrant month, still retaining a significant amount of sunlight compared to the earlier months, signaling the transition towards cooler temperatures while offering plenty of opportunities to enjoy the outdoors before autumn sets in.

Monthly Sunshine Duration in Yantian: September Highlighted

The September sunshine duration represents the total number of hours Yantian experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec154h198h187h228h273h251h306h322h272h213h210h202h
Data source: Yantian September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yantian During September

In Yantian, China, September boasts a notable likelihood of sunny weather, with a 63% chance of sun, making it one of the brightest months of the year. Following the typically gloomier summer months of June and August, where the chances of sunshine plummet to 15% and 22%, respectively, September clearly signals a shift towards clearer skies. This upward trend is accentuated by a pronounced leap from the earlier months of the year, particularly when compared to April and May, both of which linger below 20%. As autumn approaches, residents and visitors can look forward to enjoying more sunshine, perfect for outdoor activities and exploring the beauty of Yantian.

Percentage of Sunny Days in September in Yantian

The chart illustrates the percentage of sunny days in Yantian throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Yantian experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%40%24%13%16%15%33%22%63%29%47%51%
Data source: Yantian September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yantian in September

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.

Average Daylight Hours in Yantian for September

The chart illustrates the variation in daylight duration in Yantian throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 36m11h 12m12h12h 48m13h 29m13h 49m13h 39m13h 3m12h 17m11h 29m10h 47m10h 26m
Data source: Yantian daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yantian

In September, the gentle embrace of Yantian's breeze yields an average wind speed of 1.3 m/s (3 mph), mirroring the tranquil airflow of the preceding month. This slight reduction in wind intensity follows a minor uptick during July, where the speed peaked at 1.7 m/s. Interestingly, as summer concludes, it's notable that September maintains a consistency in its serene conditions, much like the calm ambiance of August. As the year progresses into October, a modest increase to 1.9 m/s (4 mph) heralds the arrival of autumn, hinting at a seasonal transition while still preserving the overall gentle quality of Yantian’s winds. This subtle ebb and flow reflect the region's mild climatic tendencies, making it an enchanting place year-round.

Average September Wind Speed in Yantian

The chart displays monthly wind speed patterns in Yantian, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.41.51.51.41.51.71.31.3 m/s1.91.41.4
Data source: Yantian September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Yantian Compares to Other Months

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 and January present stark contrasts in weather conditions. September typically enjoys warmer temperatures, with a minimum of 16°C (62°F) and an average reaching up to 26°C (79°F), peaking at 37°C (98°F) on particularly hot days. The month sees considerable precipitation as well, averaging 89 mm (3.5 in) over 13 days, accompanied by a humidity level of 62%. In contrast, January experiences much cooler weather, characterized by a minimum of -4°C (25°F) and an average around 7°C (46°F), with highs only reaching 22°C (72°F). The precipitation is lower, averaging 48 mm (1.9 in) over 9 days, and humidity rises slightly to 65%. For a detailed look at January weather specifics, check Yantian weather in January.

September and February showcase a stark contrast in weather. In September, temperatures range from a mild 16°C (62°F) at night to a sweltering 37°C (98°F) during the day, with an average of 26°C (79°F). The month experiences considerable humidity at 62% and receives about 89 mm (3.5 in) of precipitation over 13 days. In contrast, February's temperatures dip significantly, with nighttime lows reaching -2°C (29°F) and daytime highs peaking at 27°C (80°F), averaging only 9°C (49°F). Precipitation is slightly lower at 87 mm (3.4 in) over 11 days, but humidity is higher at 69%. For more detailed insights on February weather, you can check Yantian weather in February.

September and March present contrasting weather conditions. In September, temperatures range from a mild 16°C (62°F) to a sweltering 37°C (98°F), with an average of 26°C (79°F). The month experiences a relatively moderate precipitation level of 89 mm (3.5 in) over 13 days, along with a humidity of 62%. Conversely, March is much cooler, with temperatures starting at a low of 3°C (38°F) and peaking at 30°C (86°F), averaging just 14°C (58°F). Precipitation in March is significantly higher at 189 mm (7.4 in) and occurs over 21 days, with increased humidity at 81%. For more detailed insights, you can refer to Yantian weather in March.

When comparing the weather of September and April, notable differences emerge in temperature and precipitation. September boasts warmer temperatures, with average highs reaching 26°C (79°F) and peak values soaring to 37°C (98°F), while April features a cooler average temperature of 18°C (65°F) and maximums of 32°C (90°F). In terms of precipitation, April is significantly wetter, receiving 191 mm (7.5 in) over 18 days, compared to September’s 89 mm (3.5 in) across 13 days. Humidity levels also differ, with April experiencing higher humidity at 82%, compared to September's 62%. For more details on the weather specifics for April, you can visit Yantian weather in April.

When comparing the weather in September and May, we notice several key differences. In September, temperatures range from a minimum of 16°C (62°F) to a maximum of 37°C (98°F), with an average of 26°C (79°F). This month experiences relatively moderate rainfall of 89 mm (3.5 in) over approximately 13 days, alongside a humidity level of 62%. In contrast, May has a cooler temperature profile, with a minimum of 10°C (51°F) and an average of 23°C (73°F), peaking at 36°C (96°F). However, it is much wetter, receiving 262 mm (10.3 in) of precipitation over 21 days and a higher humidity level of 86%. Thus, while September is warmer and drier, May is cooler and significantly wetter. For more detailed information, you can check Yantian weather in May.

When comparing the weather in September and June, both months share an average temperature of 26°C (79°F), offering warm conditions. However, September experiences slightly more variability with a minimum of 16°C (62°F) and a maximum of 37°C (98°F), while June's temperatures range from a minimum of 17°C (63°F) to a maximum of 35°C (95°F). Precipitation levels differ significantly, with September receiving 89 mm (3.5 in) over 13 days, compared to June's much higher total of 319 mm (12.6 in) across 21 days, leading to a notably more humid environment in June at 86% humidity versus September's 62%. For more details on June weather, you can visit Yantian weather in June.

In comparing the weather patterns of September and July, we see notable differences in temperature and precipitation. September enjoys a range of temperatures with a minimum of 16°C (62°F) and an average of 26°C (79°F), while July is warmer, with a minimum of 20°C (69°F) and an average of 29°C (84°F). Both months can reach highs of 37°C (98°F in September and 99°F in July), but July experiences higher humidity at 89% compared to September's 62%. Additionally, July sees significantly more rainfall, with 198 mm (7.8 in) over 15 days, compared to September's 89 mm (3.5 in) over 13 days. For more details, you can check out Yantian weather in July.

September weather generally offers a slight shift compared to August, with lower minimum temperatures averaging 16°C (62°F) compared to August's minimum of 22°C (72°F). While September's average temperature reaches around 26°C (79°F), August remains warmer at 29°C (84°F). The maximum temperature in both months is similar, peaking at 37°C (98°F). However, September experiences less precipitation, totaling 89 mm (3.5 in) over 13 days, compared to August's 133 mm (5.2 in) over 15 days. Additionally, humidity levels drop in September to 62%, down from a high of 86% in August, offering a more comfortable environment. For more details on weather specifics in August, you can visit Yantian weather in August.

In September, the weather is significantly warmer with average temperatures around 26°C (79°F) and maximums reaching up to 37°C (98°F). The month sees a higher level of precipitation at 89 mm (3.5 in) over 13 days, keeping humidity steady at 62%. In contrast, October brings a noticeable cooling trend with average temperatures dropping to 20°C (67°F) and maximums capping at 35°C (96°F). Precipitation also decreases to 47 mm (1.9 in) over 10 days, while humidity remains consistent at 62%. For a closer look at what to expect, you can explore Yantian weather in October.

In September, the weather tends to be much warmer, with average temperatures around 26°C (79°F) and highs reaching up to 37°C (98°F). The humidity level is relatively high at 62%, contributing to a distinctly summer-like feel. With 89 mm (3.5 in) of precipitation over about 13 days, September also sees a fair amount of rain.

In contrast, November brings a marked drop in temperatures, with average readings around 15°C (58°F) and a maximum of 29°C (85°F). While it remains somewhat humid at 71%, the overall climate feels cooler and more comfortable. Precipitation decreases slightly to 77 mm (3.0 in) over about 10 days. For a closer look at November weather specifics, check out Yantian weather in November.

September and December showcase a stark contrast in weather patterns. In September, temperatures typically range from a pleasant 16°C (62°F) at night to a sweltering 37°C (98°F) during the day, with an average of 26°C (79°F). The month also sees significant rainfall, with 89 mm (3.5 in) falling over 13 days, resulting in a humidity level of 62%. In contrast, December experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 24°C (75°F), leading to an average of just 9°C (48°F). Precipitation is also reduced, totaling 48 mm (1.9 in) over only 9 days, accompanied by higher humidity levels at 75%. For more detailed information, you can check Yantian weather in December.

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Conclusion: What to Expect From September Weather in Yantian

As September rolls into Yantian, the weather begins to shift, presenting a delightful blend of warmth and humidity that sets it apart from the preceding summer months. With average temperatures hovering around a pleasant 26°C (79°F), the heat can peak notably, inviting beachgoers and outdoor enthusiasts to relish the sun's embrace. While rain makes its presence felt with 13 days of precipitation, it does not overshadow the overall outdoor experience, as days often alternate between sunshine and refreshing showers. This unique combination of warmth and moisture fosters a unique atmosphere that distinguishes September from the sweltering heat of July and August. For a deeper look at how these weather patterns shape daily life, explore more at Yantian Climate.