Last updated: August 21, 2025
Yantai, China, in September experiences a dynamic climate, characterized by maximum temperatures reaching 37°C (99°F) and an average of 24°C (75°F). The month also sees a refreshing drop to a minimum of 16°C (61°F), providing a pleasant respite from the summer heat. However, rain is frequent, with 192 mm (7.5 in) of precipitation spread over 16 days, contributing to a high humidity level of 86%. This interplay of warmth and moisture creates an inviting yet unpredictably humid environment, ideal for those looking to explore the area's vibrant culture and picturesque landscapes.
In September, Yantai experiences a delightful transition as summer starts to wane. The minimum temperature settles comfortably at 16°C (61°F), while the average rises to a pleasant 24°C (75°F), making it one of the most inviting months. As the month progresses, visitors can expect maximum temperatures peaking at 37°C (99°F), hinting at the lingering warmth of summer. This month demonstrates a steady decline in temperature from the scorching highs of August, with a noticeable drop from 29°C (85°F) to 24°C (75°F) on average. As autumn approaches, September in Yantai strikes a perfect balance between warmth and cool breezes, creating an ideal atmosphere for outdoor activities and exploration.
In September, Yantai experiences significant rainfall, with precipitation recorded at 192 mm (7.5 in) over 16 days, marking it as one of the wetter months of the year. This substantial downpour follows the trend of increasing moisture that peaks during the summer months; July sees the highest rainfall at 213 mm (8.4 in). As summer transitions into autumn, September maintains a high level of precipitation, though it dips slightly compared to the previous month. The steady rainfall not only nourishes the region's lush landscapes but also sets the stage for the upcoming cooler months, where precipitation begins to decrease significantly. Thus, September stands as a pivotal month in Yantai's climate, bridging the gap between the warmth of summer and the dry chill of fall.
As summer fades into autumn, September in Yantai, China, experiences a slight dip in humidity, averaging around 86%. This marks a subtle shift from the peak levels seen in the sweltering months of July and August, where humidity soared to 86% and 87%, respectively. The progressive decrease reflects a consistent trend through the latter part of the year, with humidity remaining high but stabilizing as the temperatures begin to cool. Overall, while September remains humid, it signals the onset of milder conditions, paving the way for autumn's charm, where the air gradually becomes crisper and more invigorating.
As summer fades into autumn, September in Yantai, China, witnesses a slight dip in the UV Index, marking it at 11, which falls under the extreme exposure category, with a burn time of just 10 minutes. This slight decrease from the peak levels of 12 experienced throughout the summer months suggests a gradual transition, yet still demands caution for outdoor activities. With such high UV levels persisting even into September, sun protection remains crucial for residents and visitors alike. As the season progresses into October, the UV Index begins to lower further, highlighting the importance of being mindful of UV exposure year-round. For more detailed insights on UV levels in this coastal city, visit Yantai UV Index.
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In September, Yantai, China, enjoys a delightful 217 hours of sunshine, a reflection of the lingering warmth as summer begins to fade. This month marks a significant dip from the peak sunshine hours of 317 in August, yet it still outshines the earlier months of the year, showcasing a gradual increase in daylight as the city transitions from the cooler spring months. Notably, September offers a pleasant balance for outdoor activities, providing ample sunny days while hinting at the approaching autumn. As daylight dwindles in the months to come, this final burst of sunshine serves as a reminder of the vibrant summer just passed.
As September rolls in, Yantai, China, experiences a delightful uptick in sunny weather, boasting a 34% chance of sunshine. This marks a slight increase from the summer months, where July and August show lower probabilities of sun at 32% and 25%, respectively. Interestingly, September stands out as one of the brighter months of the year, just edging past January's 33% chance. In contrast, the sunny dispositions of earlier spring months like April and May plummet to just 14% and 16%. With pleasant warmth, September not only signals the transition towards autumn but also a renewed opportunity to bask in the sun before the colder months set in.
As autumn approaches, September in Yantai, China marks a subtle transition in daylight duration. With 12 hours of daylight, the month presents a gradual shift from the long, sun-drenched days of summer, peaking at 14 hours in June, to the shorter, cozy days of winter ahead. Following a summer where daylight remained consistently high at 13 hours in July and August, September's slight decline serves as a reminder of the changing seasons, paving the way for October's further decrease to 11 hours. This gentle ebb and flow of daylight not only influences the daily rhythm of life in Yantai but also enhances the beauty of the fall landscape, inviting both locals and visitors to savor the crisp air and golden hues of early autumn.
As September arrives in Yantai, China, the gentle breeze begins to pick up, with average wind speeds reaching 1.7 m/s (4 mph). This slight increase from the summer months reflects a shift in the season, welcoming a refreshing ambiance that sharpens the senses and invigorates the spirit. Throughout the year, wind speeds remain fairly consistent, hovering around 1.2 to 1.5 m/s during the earlier months, but come September, there's a noticeable uptick, suggesting a transition towards the cooler autumn air. This change not only brings variety to the coastal landscape but also enhances the experience of outdoor activities, making September an ideal time to enjoy the fresh winds along Yantai's shores.
Weather in Yantai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yantai, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present striking contrasts in weather. In September, temperatures range from a mild 16°C (61°F) at night to a sweltering maximum of 37°C (99°F) during the day, with an average of 24°C (75°F). The month is characterized by high humidity at 86% and considerable precipitation of 192 mm (7.5 in) over 16 rainy days, making it a rather wet period. In contrast, January experiences much colder temperatures, with a minimum of -1°C (30°F) and a maximum of 16°C (61°F), averaging around 8°C (46°F). The month is notably drier, receiving only 36 mm (1.4 in) of rain over 8 days and lower humidity at 78%. For more detailed information, check out Yantai weather in January.
September and February present strikingly different weather conditions. In September, temperatures can reach a high of 37°C (99°F), with an average of 24°C (75°F) and a minimum of 16°C (61°F), along with significant precipitation of 192 mm (7.5 in) over 16 days and high humidity at 86%. In contrast, February offers a cooler atmosphere, with temperatures peaking at 25°C (78°F) and averaging only 9°C (49°F), while the minimum dips down to 0°C (32°F). Precipitation in February is also lower, at 58 mm (2.3 in) over just 9 days, with humidity slightly reduced to 80%. For more detailed information, check Yantai weather in February.
September and March exhibit distinct weather patterns. September tends to be much warmer, with average temperatures around 24°C (75°F), peaking at 37°C (99°F), while March remains cooler, with an average of 14°C (58°F) and a maximum of 31°C (88°F). Precipitation is higher in September at 192 mm (7.5 in) over 16 days, compared to March's 110 mm (4.3 in) across 15 days. Humidity levels are quite similar, at 86% in September and 85% in March, but the warmer temperatures in September can make the air feel more oppressive. For more details about March weather specifically, you can check Yantai weather in March.
September and April present contrasting weather patterns, with September typically being warmer and more humid. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 37°C (99°F), with an average of 24°C (75°F). This month also sees significant rainfall, with about 192 mm (7.5 in) spread over 16 days and humidity levels reaching 86%. In comparison, April experiences cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 34°C (93°F), averaging around 18°C (65°F). The precipitation in April is slightly less, at 163 mm (6.4 in) over 15 days, with a lower humidity of 81%. For more detailed insights on April's weather, you can refer to Yantai weather in April.
In comparing the weather between September and May, we can see notable differences in temperature and precipitation. September tends to be warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 37°C (99°F), whereas May has a slightly cooler range, from 12°C (53°F) to 35°C (95°F). Both months experience significant rainfall, with September recording 192 mm (7.5 in) over 16 days and May having a slightly higher total of 196 mm (7.7 in) across 17 days. Humidity levels are comparably high, with September at 86% and May slightly lower at 83%. For a deeper look at the specific weather conditions during May, you can refer to Yantai weather in May.
In comparing the weather of September and June, both months experience similar minimum temperatures, averaging around 16°C (61°F). However, September tends to be slightly warmer overall, with an average temperature of 24°C (75°F) compared to June’s 25°C (77°F). While the maximum temperatures in September can reach up to 37°C (99°F), June's peak is slightly lower at 35°C (96°F). Rainfall is also a notable feature, with September receiving 192 mm (7.5 in) over 16 days, while June has 176 mm (6.9 in) over 17 days, indicating a slightly wetter season in September. Humidity levels are comparable, with September at 86% and June at 85%. For a more detailed look at the weather specifics, you can refer to Yantai weather in June.
In comparing the weather between July and September, one can observe notable differences in temperature and precipitation patterns. July typically experiences warmer temperatures, with a minimum of 20°C (69°F) and an average of 28°C (83°F), reaching a maximum of 39°C (102°F). In contrast, September sees slightly cooler averages, with a minimum of 16°C (61°F), an average of 24°C (75°F), and a peak of 37°C (99°F). Precipitation in both months is significant, but July receives slightly more at 213 mm (8.4 in) over 15 days, compared to September's 192 mm (7.5 in) over 16 days. Humidity remains consistent at 86% in both months, providing a similar level of muggy conditions. For more detailed information, you can check out Yantai weather in July.
In August, temperatures are generally higher, with a minimum of 19°C (67°F) and an average of 29°C (85°F), peaking at 39°C (103°F). The month experiences lower precipitation at 134 mm (5.3 in) over 13 days, accompanied by a slightly elevated humidity level of 87%. In contrast, September sees a cooler average temperature of 24°C (75°F), with a range from 16°C (61°F) to a maximum of 37°C (99°F). However, it experiences increased rainfall, totaling 192 mm (7.5 in) over 16 days, while maintaining a similar humidity level of 86%. For more detailed information, you can check Yantai weather in August.
September typically experiences warmer temperatures compared to October, with an average of 24°C (75°F) and maximum highs reaching up to 37°C (99°F). The humidity remains consistent at 86%, but the month sees a significant amount of rainfall, totaling 192 mm (7.5 in) over 16 days. In contrast, October brings cooler temperatures, averaging around 18°C (65°F) with a maximum of 34°C (94°F). Although October has slightly lower rainfall at 141 mm (5.5 in) across 17 days, the persistent humidity remains the same at 86%. For a detailed look at the weather in October, you can visit Yantai weather in October.
September and November exhibit stark contrasts in weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a scorching maximum of 37°C (99°F), with an average of 24°C (75°F). The month is also characterized by high humidity at 86% and significant rainfall, totaling 192 mm (7.5 in) over 16 days. In contrast, November brings a notable drop in temperatures, with a minimum of 4°C (39°F) and a maximum of 24°C (76°F), averaging just 13°C (56°F). The precipitation is much lighter, totaling 70 mm (2.8 in) over 10 days, and humidity remains slightly elevated at 87%. For more detailed insights, check out Yantai weather in November.
September and December present strikingly different weather conditions. In September, temperatures range from a minimum of 16°C (61°F) to a scorching maximum of 37°C (99°F), with an average around 24°C (75°F). The month experiences significant rainfall, totaling 192 mm (7.5 in) across 16 days, alongside high humidity levels at 86%. In contrast, December features much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 18°C (64°F), averaging just 9°C (48°F). Precipitation is notably lighter in December, with only 33 mm (1.3 in) over 8 days, while humidity remains similar at 85%. For a closer look at December conditions, check out Yantai weather in December.
Overall, these two months represent a transition from the heat and humidity of late summer to the chill of winter.
As summer transitions into fall, September in Yantai brings a notable shift in weather characterized by warm temperatures and increased humidity. With an enjoyable average temperature around 24°C (75°F), this month offers a pleasant reprieve from the heat, although peaks can soar to a scorching 37°C (99°F). Rainfall also marks this month, with precipitation occurring on 16 days, contributing to a substantial 192 mm (7.5 in) of moisture, making it one of the wetter months of the year. This combination of warmth and humidity creates a unique, tropical-like ambience distinct from Yantai's other seasons. For a detailed understanding of the weather patterns throughout the year, explore more at Yantai Climate.