Last updated: August 21, 2025
In September, Penglai, China experiences a warm climate marked by a maximum temperature of 35°C (95°F) and an average of 28°C (82°F), providing an inviting atmosphere for outdoor activities. However, visitors should prepare for frequent rain, with precipitation amounts reaching 206 mm (8.1 in) over 23 days, contributing to a humidity level of 82%. This blend of warmth and moisture creates a lush environment, highlighting the region's natural beauty while also encouraging visitors to embrace both the sun and occasional showers.
In Penglai, China, September marks a transition into cooler yet still agreeable temperatures, with minimums averaging 22°C (72°F) and maximums reaching up to 35°C (95°F). The month typically holds steady with an average temperature of 28°C (82°F), reminiscent of the warm summer months but beginning to hint at the autumn chill that follows. As daylight begins to wane, the heat from earlier months starts to ease, making September an inviting time to explore the city, where sun-soaked days yield to comfortable evenings. This gradual cooling trend is a welcomed shift from the peak summer heat, inviting both locals and visitors to embrace the outdoor experiences Penglai has to offer.
In September, Penglai experiences a notable shift in its precipitation patterns, recording 206 mm (8.1 in) of rain over 23 days. This marks a significant decrease from the previous month's 315 mm but keeps the trend of substantial rainfall consistent, particularly following the peak of summer. As the region transitions into autumn, the rainfall begins to taper off, providing a welcome reprieve from the intense downpours of July and August. Despite the decline, September's precipitation still contributes to the lush scenery and rich agriculture of the area, underscoring the importance of this month in the yearly climatic cycle.
In Penglai, China, September marks a transition in humidity levels as summer begins to fade. After experiencing peak humidity in the sweltering months of July and August, which recorded 87% and 86% respectively, September sees a noticeable decline to 82%. This drop signals the onset of autumn, yet it remains comparatively high, suggesting a lingering warmth in the air. Throughout the year, humidity levels gradually increase from 74% in January, peaking in mid-summer before retreating slightly into the fall. As we move from the oppressive heat of summer to the milder temperatures of autumn, September’s humidity provides a brief respite, while still maintaining a certain richness in the air that characterizes this coastal region.
In September, Penglai, China, experiences a UV Index of 13, maintaining its position within the extreme exposure category with a burn time of just 10 minutes. This trend follows a summer of exceptionally high UV levels, peaking at 14 in both July and August. While slightly lower than the peak months, September's UV readings remain consistently high, indicative of the region's intense sun exposure as it transitions into autumn. Safety against UV radiation is essential, as the burn time remains critically short. For more details and insights on the UV Index in Penglai, visit Penglai UV Index.
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September in Penglai, China, boasts 294 hours of sunshine, marking a delightful transition from the balmy summer months. This month is part of a consistent trend, where sunshine begins to dip slightly after the peak of July's impressive 319 hours. Although September experiences less sun than its summer counterparts, it outshines October and November, which fall below 276 hours and 250 hours, respectively. The gentle warmth of this early autumn month invites locals and visitors alike to enjoy the lingering glow of summer before the cooler days set in. With its 294 hours, September perfectly balances the enduring summer vibes and the crispness of approaching fall, making it an ideal time to explore the natural beauty of Penglai.
In Penglai, China, September brings a 32% chance of sunny weather, reflecting a slight uptick from the previous few months. This period is nestled between the humid summer and the cooler autumn, where the likelihood of sunshine is higher than in the oppressive heat of June and July, yet still lower than the more favorable spring and late autumn months. As the seasons transition, this moderate sun probability suggests that while September may not be the sunniest month, it offers a pleasant balance for outdoor activities, making it a perfect time to enjoy the fading warmth before the cooler months set in.
In Penglai, China, September marks a transitional period in daylight hours, where the length of day settles at 12 hours. Following the peak of summer in June and July, which enjoy a generous 13-hour daylight stretch, the descent into autumn begins with a slight reduction. This trend indicates a gradual decrease in daylight as the year progresses, mirroring the shift from the vibrant energy of summer to the more subdued tones of fall. With October ushering in shorter days once again at 11 hours, September serves as a gentle reminder of the waning light before the cooler months ahead, embodying the beauty of change in this coastal city.
As September settles over Penglai, the wind takes on a gentler demeanor, with an average speed of 2.1 m/s (5 mph)—the calmest of the year. This month marks a notable shift as the breezy summer days fade into a more tranquil autumn. Following the modest winds of July and August, which averaged just 2.5 m/s and 2.7 m/s respectively, September continues this downward trend, inviting a serene atmosphere perfect for reflection and leisurely strolls along the coastline. As the leaves prepare to turn, the low winds herald the upcoming months of October and November, where we can expect a return to breezier conditions, with speeds climbing back to 3.9 m/s and 3.2 m/s. This gentle transition from summer to autumn in Penglai reminds us of nature's rhythm, where every shift is both a farewell and a welcome to what lies ahead.
Weather in Penglai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Penglai, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather. In September, temperatures soar with a minimum of 22°C (72°F) and an average high of 35°C (95°F), accompanied by high humidity levels at 82%. This month also sees considerable rainfall, totaling 206 mm (8.1 in) over 23 days. In contrast, January offers much milder conditions, with a minimum temperature of 8°C (46°F) and a pleasant average high of 29°C (85°F). Precipitation is significantly lower, with only 27 mm (1.1 in) of rain spread over just 8 days, and humidity drops to 74%. For those interested in a more detailed look at January's weather, check out Penglai weather in January.
September and February present contrasting weather profiles. September is characterized by much warmer temperatures, with averages reaching 28°C (82°F) and highs of 35°C (95°F). It also experiences significant rainfall, totaling 206 mm (8.1 in) over 23 days, leading to high humidity levels of 82%. In contrast, February offers a cooler climate, with average temperatures of 20°C (68°F) and a maximum of 31°C (89°F). Precipitation is considerably less, at only 39 mm (1.5 in) over just 9 days, with humidity at a lower 75%. For more detailed insights, you can check Penglai weather in February.
September and March present contrasting weather patterns. In September, temperatures are relatively high, with a minimum of 22°C (72°F) and an average of 28°C (82°F), peaking at 35°C (95°F). This month also experiences significant rainfall, with about 206 mm (8.1 in) falling over 23 days and humidity levels reaching around 82%. In contrast, March brings milder temperatures, ranging from a minimum of 14°C (57°F) to an average of 24°C (75°F), and a maximum of 33°C (92°F). Additionally, precipitation is much lighter in March, totaling only 61 mm (2.4 in) over 11 days, with a slightly lower humidity of 78%. For more information on weather in March, you can visit Penglai weather in March.
When comparing the weather in September and April, September tends to be warmer and more humid. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (95°F), with an average of 28°C (82°F) and high humidity at 82%. Conversely, April offers milder conditions, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 34°C (93°F) and an average temperature of 25°C (78°F). Additionally, April experiences less precipitation, totaling 143 mm (5.6 in) over 14 days, compared to September's 206 mm (8.1 in) over 23 days. For a more detailed look at April weather, you can check Penglai weather in April.
When comparing the weather in September and May, we see some interesting similarities and differences. Both months have a similar average temperature of around 28°C (82°F), but May can get hotter, with maximum temperatures reaching up to 38°C (100°F), while September peaks at 35°C (95°F). In terms of rainfall, September has 206 mm (8.1 in) of precipitation over 23 days, slightly less than May's 207 mm (8.2 in) spread over 19 days, making both months relatively wet. Additionally, humidity levels are comparable, with September at 82% and May slightly lower at 81%. For a deeper look at May’s weather, you can visit Penglai weather in May.
In comparing September and June weather, September typically experiences slightly lower temperatures, with minimums of 22°C (72°F) and maximums reaching 35°C (95°F), while June sees a minimum of 24°C (75°F) and peaks at 38°C (100°F). Although June averages 29°C (85°F), it can feel hotter due to its higher maxima. Rainfall is relatively high in both months, with September receiving 206 mm (8.1 in) across 23 days and June slightly less at 192 mm (7.5 in) over 19 days. Humidity levels are quite similar, hovering around 81% in June and 82% in September. For more detailed insights, you can check Penglai weather in June.
September and July exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 35°C (95°F), with an average of 28°C (82°F). The month experiences significant precipitation, totaling 206 mm (8.1 in) across 23 days, and humidity levels hover around 82%. In contrast, July tends to be warmer, with minimum temperatures reaching 25°C (76°F) and maximums peaking at 36°C (98°F), resulting in an average of 29°C (84°F). July also sees higher rainfall, with 266 mm (10.5 in) over the same number of days, contributing to a slightly increased humidity of 87%. For a detailed look at July weather, you can visit Penglai weather in July.
September presents a slight decrease in temperature compared to August, with minimums dropping from 24°C (75°F) to 22°C (72°F) and maximums falling from 36°C (96°F) to 35°C (95°F). While the average temperature remains relatively stable at about 28°C (82°F) for both months, September experiences significantly less rainfall, with precipitation totaling 206 mm (8.1 in) over 23 days, compared to August's 315 mm (12.4 in) over 24 days. Humidity also sees a reduction, easing from 86% in August to 82% in September. For a detailed overview of August conditions, visit Penglai weather in August.
In September, temperatures are generally warmer, with minimums around 22°C (72°F) and averages reaching 28°C (82°F), peaking at a maximum of 35°C (95°F). The month also experiences significant rainfall, totaling 206 mm (8.1 in) over 23 days, and humidity levels remain high at 82%.
In contrast, October sees slightly cooler temperatures, with minimums dropping to 19°C (66°F) and average highs of 26°C (79°F), maxing out at 34°C (93°F). Rainfall is slightly higher in October at 209 mm (8.2 in), but it is spread over fewer days, totaling 18 days. Overall, humidity remains similar at 81%.
For a more detailed look at conditions during this month, check out Penglai weather in October.
September is characterized by warmer temperatures, with averages reaching 28°C (82°F) and maximums soaring up to 35°C (95°F). It is also a wet month, experiencing significant rainfall with 206 mm (8.1 in) spread over 23 days, which contributes to a high humidity level of 82%. In contrast, November brings a noticeable drop in temperature, with an average of 24°C (75°F) and maximums around 30°C (87°F), making it more comfortable. Additionally, November is much drier, with only 63 mm (2.5 in) of precipitation over 11 days and a slightly lower humidity of 80%. For more details on the weather in November, visit Penglai weather in November.
September and December showcase a striking contrast in weather patterns. In September, temperatures soar, with averages around 28°C (82°F) and peaks reaching up to 35°C (95°F), accompanied by significant precipitation of 206 mm (8.1 in) over 23 days, resulting in a humid atmosphere with 82% humidity. Conversely, December brings a cooler climate, featuring a minimum temperature of 12°C (54°F) and an average of 20°C (69°F), with highs of only 28°C (83°F). Rainfall drops to a mere 42 mm (1.6 in) across just 6 days, and humidity declines slightly to 79%. For a detailed look at December weather, check out Penglai weather in December.
As September unfolds in Penglai, it brings a distinct character to the weather compared to the more stable summer months. The warmth of the days continues, but is often accompanied by high humidity, which can make the atmosphere feel more intense. Frequent rains—with noticeable precipitation on about three-quarters of the days—add to the lush landscapes, setting September apart as a transitional period toward the cooler, drier autumn. Those planning to visit should be prepared for the dynamic weather patterns that define this unique month. For further insights into the climate dynamics of this beautiful region, check out Penglai Climate.