September Weather in Yantian, China

Last updated: August 21, 2025

September in Yantian, China is characterized by warm temperatures and notable humidity. With maximums reaching 34°C (94°F) and an average temperature of 28°C (83°F), the weather remains inviting yet sultry. The month experiences significant rainfall, totaling 215 mm (8.5 in) across approximately 22 days, creating a lush, vibrant landscape. Humidity levels hover around 75%, adding to the tropical ambience of the region. This combination of warmth and moisture creates a unique climate, perfect for those who appreciate the rich beauty of this coastal area.

September Temperature in Yantian

In September, Yantian, China, experiences a pleasant transition from the peak summer heat, with minimum temperatures around 24°C (75°F) and an average of 28°C (83°F). The days remain warm, peaking at a maximum of 34°C (94°F), making it a great time to enjoy outdoor activities before the cooler months approach. This month marks a subtle shift, as temperatures begin to gradually decline from the sweltering highs of July and August, yet still retain a sense of warmth that characterizes the late summer. With the heat softening and humidity levels easing slightly, September offers a perfect balance, inviting both locals and travelers to embrace its warm days and comfortable evenings.

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).
JanFebMarAprMayJunJulAugSepOctNovDec616269738083848483777163
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

In September, Yantian, China, experiences a notable shift in precipitation patterns, with 215 mm (8.5 in) of rainfall over 22 days. This marks a significant decrease from the preceding months of July and August, which recorded much higher totals of 213 mm and 362 mm, respectively. The consistency of rainfall in September maintains a connection to the monsoon season while hinting at the transition into drier months ahead. Its moderate precipitation, though less than summer peaks, illustrates Yantian's dynamic climate, where extensive rainy days are prevalent, fostering a lush environment as summer's heat begins to wane.

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.
JanFebMarAprMayJunJulAugSepOctNovDec164459931963442133622151612921
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 transitions into fall in Yantian, China, September experiences a noticeable dip in humidity, with levels dropping to 75%. This reduction follows the peak summer months of July and August, where humidity soared to an impressive 88%, creating a sultry atmosphere. The late summer months reflect a consistent trend of high humidity, often reaching into the upper 70s and 80s, but September signals the beginning of a gradual decline that continues into the drier autumn months, with October seeing a further decrease to 65%. This shift not only brings relief from the intense summer mugginess but also sets the stage for more comfortable outdoor experiences as the region prepares for milder weather ahead.

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.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yantian

As September rolls into Yantian, China, the UV Index remains notably high at 12, classifying it as extreme and resulting in a burn time of just 10 minutes. This trend of elevated UV exposure has been consistent throughout the summer months, where the UV Index peaked at 14 in May and remained above 12 during the hot summer, prompting caution for sun seekers. Such high levels of UV radiation underline the importance of protective measures against sunburn and long-term skin damage. As the months transition towards cooler weather, September's readings still emphasize the need for vigilance against harmful UV rays. To stay informed and prepared, check the detailed information at 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.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313121197
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

As we transition into autumn, September in Yantian, China, brings a delightful 288 hours of sunshine, marking one of the year's more luminous months. This period showcases a gradual shift from the summer peak in July, which boasted an impressive 323 hours of bright skies. While August saw a slight decline to 280 hours, September retains much of that warmth and light, highlighting a trend of abundant sunshine throughout the late summer months. The overall sunshine trend illustrates a vibrant and sunny climate, making Yantian an appealing destination for those seeking to bask in the glow of the golden September sun.

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.
JanFebMarAprMayJunJulAugSepOctNovDec216h251h274h263h301h274h323h280h288h280h262h264h
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 brings a fair 41% chance of sunny weather, marking a notable increase compared to the summer months, especially June and August, which see significantly lower probabilities of clear skies. While not the sunniest month of the year, September stands out as a transition from the hot and humid peak of summer, hinting at the approach of autumn with its refreshing breezes. This slight uptick in sunshine can be an inviting time for outdoor activities before the weather cools further in the fall. Overall, while the potential for sunny days in September remains moderate, it's a promising window for those looking to enjoy pleasant weather.

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.
JanFebMarAprMayJunJulAugSepOctNovDec63%57%42%37%26%12%29%14%41%35%62%52%
Data source: Yantian September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yantian in September

In September, Yantian, China, enjoys about 12 hours of daylight, continuing a trend of abundant sunshine that peaks during the summer months. This month marks a transition from the longer days of July and August, both also boasting 13 hours of daylight. As autumn approaches, daylight hours begin to gradually shorten, a pattern that will continue into October when daylight decreases to 11 hours. Overall, the daylight duration in Yantian reflects the rhythmic ebb and flow of the seasons, with shorter days on the horizon as the year draws to a close.

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 54m11h 23m12h 1m12h 40m13h 12m13h 28m13h 20m12h 52m12h 15m11h 36m11h 2m10h 45m
Data source: Yantian daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Yantian

As summer fades into autumn, September in Yantian, China ushers in a noticeable dip in wind speed, averaging just 2.2 m/s (5 mph). This marks the calmest month of the year, following a gradual decline from the breezier summer months, which peaked in June at 3.1 m/s (7 mph) and saw July and August slipping further to 2.8 m/s and 2.4 m/s respectively. While the gentle September winds offer a serene backdrop, they signal a transition, as the region prepares for the more invigorating gusts that October brings, with wind speeds rising again to 4.3 m/s (10 mph). This cyclical ebb and flow of breezes reflects the dynamic climate of Yantian, making each season uniquely captivating.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.03.33.42.93.12.82.42.2 m/s4.33.23.5
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. In September, temperatures range from a minimum of 24°C (75°F) to a maximum of 34°C (94°F), averaging around 28°C (83°F). This month is marked by high humidity at 75% and significant rainfall, with 215 mm (8.5 in) spread over 22 days. In contrast, January offers a much cooler climate, with temperatures ranging from a chilly 6°C (42°F) to a pleasant 25°C (78°F), averaging 16°C (62°F). Precipitation is minimal in January, totaling only 16 mm (0.6 in) over just 2 days, and the humidity drops to 64%. For more detailed information, you can visit Yantian weather in January.

September and February present contrasting weather patterns. In September, temperatures soar, with a minimum of 24°C (75°F) and an average high of 34°C (94°F), accompanied by high humidity at 75%. This month also witnesses significant rainfall, with about 215 mm (8.5 in) spread over 22 days. In stark contrast, February experiences much cooler temperatures, with a minimum of 5°C (42°F) and an average high of only 26°C (79°F). Rainfall is substantially lower in February, with just 43 mm (1.7 in) occurring over 6 days and a slightly lower humidity of 68%. For a more in-depth look at February weather, you can check Yantian weather in February.

September and March present contrasting weather patterns. In September, temperatures are significantly warmer, with a minimum of 24°C (75°F) and an average high reaching up to 34°C (94°F). The month is also marked by high humidity at 75% and substantial rainfall, typically totaling 215 mm (8.5 in) over about 22 days. In contrast, March enjoys milder conditions, featuring a minimum temperature of 11°C (51°F) and an average maximum of 29°C (85°F). Precipitation is notably lower in March, averaging 59 mm (2.3 in) and occurring over 11 days, coupled with slightly lower humidity at 73%. For a detailed look at the weather in this spring month, you can check out Yantian weather in March.

When comparing the weather in September and April, a notable contrast emerges in temperature and precipitation. September boasts higher temperatures, with minimums around 24°C (75°F) and maximums reaching 34°C (94°F), while April offers a cooler climate with temperatures ranging from 13°C (56°F) to a maximum of 31°C (89°F). Precipitation also differs significantly; September sees higher rainfall at 215 mm (8.5 in) over 22 days, compared to April's 93 mm (3.7 in) over just 12 days. Additionally, humidity remains relatively high in both months, with September at 75% and April slightly lower at 71%. For a more detailed look at April weather specifics, you can visit Yantian weather in April.

In comparing the weather of September and May, September tends to be warmer overall, with average temperatures reaching 28°C (83°F) and highs peaking at 34°C (94°F), compared to May's average of 26°C (80°F) and maximum of 35°C (95°F). However, September experiences higher humidity at 75% versus May's 79%, creating a more uncomfortable climate. Precipitation levels are also significant in both months, with September receiving 215 mm (8.5 in) across 22 days, slightly more than May's 196 mm (7.7 in) over 21 days. For a closer look at May's climate specifics, you can explore Yantian weather in May.

In comparing the weather of September and June, both months exhibit similar temperature ranges, with minimum temperatures around 24°C (75°F) and maximum temperatures peaking at 34°C (94°F). However, June tends to be wetter, receiving a significant 344 mm (13.5 in) of precipitation over 26 days, compared to September's 215 mm (8.5 in) across 22 days. Additionally, humidity levels are slightly higher in June at 77%, compared to 75% in September. For a detailed look at June's weather specifics, you can refer to Yantian weather in June.

In comparing the weather of September and July, it is evident that both months experience high temperatures, with July slightly warmer overall. July has an average temperature of 29°C (85°F), peaking at 36°C (97°F), while September's average is a bit lower at 28°C (83°F) and a maximum of 34°C (94°F). Precipitation levels are quite similar, with September receiving 215 mm (8.5 in) over 22 days, compared to July's 213 mm (8.4 in) across 26 days, indicating slightly wetter conditions in July. Additionally, humidity is higher in July at 88%, making the heat feel more intense, while September has a humidity level of 75%. For more detailed insights, you can check Yantian weather in July.

In comparing the weather between September and August, it can be observed that September experiences slightly cooler temperatures, with a minimum of 24°C (75°F) and a maximum of 34°C (94°F), compared to August's minimum of 25°C (77°F) and maximum of 36°C (97°F). Humidity levels are also marginally lower in September at 75%, down from August's high of 88%. However, September sees increased precipitation, with 215 mm (8.5 in) over 22 days compared to August's 362 mm (14.2 in) over 26 days, indicating that while September is somewhat cooler, it is also wetter. For more detailed insights, you can visit Yantian weather in August.

In September, the weather is notably warmer with an average temperature of 28°C (83°F), while October sees a cooler average of 25°C (78°F). The minimum temperature in September is 24°C (75°F), compared to a more refreshing 16°C (60°F) in October. September also experiences higher humidity at 75% and significantly more rainfall, with 215 mm (8.5 in) of precipitation over 22 days, whereas October has only 161 mm (6.3 in) of rain over 10 days and a lower humidity of 65%. For more details on the October weather, you can check Yantian weather in October.

September weather is characterized by warmer temperatures, with a minimum of 24°C (75°F) and an average of 28°C (83°F), peaking at 34°C (94°F). The month experiences significant rainfall, totaling 215 mm (8.5 in) over 22 days, contributing to high humidity levels at 75%. In contrast, November brings a notable drop in temperature, with minimums around 14°C (58°F) and an average of 22°C (72°F), reaching a maximum of 29°C (85°F). Rainfall is minimal in November, with only 29 mm (1.1 in) over 4 days, resulting in lower humidity at 64%. For a detailed look at November's weather, you can explore Yantian weather in November.

September and December present a striking contrast in weather conditions. 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), making it a hot and humid month with significant rainfall of 215 mm (8.5 in) across 22 days and humidity levels around 75%. In contrast, December experiences much cooler temperatures, with a minimum of 8°C (46°F) and a maximum of 27°C (81°F), averaging 17°C (64°F). Rainfall is minimal, with only 21 mm (0.8 in) spread over just 3 days, and slightly lower humidity at 69%. For more specific details about weather patterns in that month, you can check Yantian weather in December.

Compare Yantian's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Yantian

In September, Yantian experiences a notable shift in weather, characterized by warmer temperatures and increased precipitation compared to the preceding summer months. With an average temperature reaching a balmy 28°C (83°F) and maximums soaring up to 34°C (94°F), the heat lingers, while humidity remains high at 75%. However, this month also brings with it a significant increase in rainfall, as 215 mm (8.5 in) is recorded over 22 days, leading to a more humid and occasionally overcast atmosphere. The blend of warmth and frequent showers creates a vibrant, lush landscape, setting September apart from the drier and hotter summer months. For a deeper dive into Yantian's climate throughout the year, explore the full details here: Yantian Climate.