Last updated: August 21, 2025
In Penglai, China, September showcases a dynamic climate characterized by a maximum temperature soaring up to 37°C (99°F) and an average of 25°C (77°F). Visitors can expect a refreshing break from the heat with minimum temperatures dropping to 15°C (60°F). However, the month also brings 120 mm (4.7 inches) of precipitation over approximately 14 days, contributing to a humidity level of around 70%. This blend of warmth and occasional rain creates a unique atmosphere, making September an intriguing time to experience the scenic beauty and cultural offerings of Penglai.
In Penglai, China, September marks a significant transitional month, where the lingering warmth of summer begins to soften into the coolness of autumn. With minimum temperatures averaging around 15°C (60°F) and maxing out at an impressive 37°C (99°F), the month provides a comfortable backdrop for both outdoor activities and leisurely explorations. The overall average temperature of 25°C (77°F) reflects a peak in warmth, making it one of the hottest months of the year. This trend of rising temperatures is evident as September follows the warmer summer months, yet it hints at the cooler days ahead—transitioning from the heat of July and August into the fresher, crisp feel that October brings. Whether you're basking in the sun or enjoying the cooler evenings, September in Penglai is a delightful blend of summer's end and autumn's arrival.
September in Penglai, China, marks a transition with 120 mm (4.7 in) of precipitation over 14 days, as the summer warmth starts to wane. While this month's rainfall is notably less than the heavy deluge seen in the preceding months of June and August, it still signifies a substantial contribution to the region's overall annual precipitation. The diminishing rainfall in September suggests a shift towards drier conditions, as seen with the upcoming months of October and November, which typically bring even less rain. This pattern indicates a seasonal rhythm, where late summer peaks yield to early autumn's more moderate showers, setting the stage for the drier, cooler months ahead.
In September, humidity levels in Penglai, China, drop to 70%, marking a notable transition as the summer months wane. This decrease follows a trend of rising humidity from the early months of the year, peaking in May at 85%. Starting from June, humidity levels gradually begin to decline, reflecting the shift towards autumn. With lower humidity levels in September, residents can enjoy a reprieve during this time of year, making it an ideal moment for outdoor activities and exploration before the cooler, more humid months set in. As autumn approaches, Penglai’s climate balances the remnants of summer warmth with refreshing breezes, creating a pleasant ambiance.
In September, Penglai, China, sees a UV Index of 12, categorizing it as extreme with a rapid burn time of just 10 minutes. This marks a slight decrease from the peak levels of 13 observed through the summer months of June to August, reflecting a transition into the cooler autumn season. However, despite this minor drop, the UV intensity remains significantly high, urging residents and visitors to remain vigilant about sun protection. From January’s more moderate UV Index of 7, there's been a steady climb through the year, peaking in the summer before gradually tapering off in the fall. For a comprehensive guide on UV exposure in the region, check out the Penglai UV Index.
UV Risk Categories
September in Penglai, China, is a beautiful blend of warmth and light, boasting 275 hours of sunshine. This month continues the trend of abundant sunshine that begins in the late spring and peaks during the summer. With July leading at 300 hours, followed closely by August’s impressive 288 hours, September offers a slight but welcome decrease in sun, suggesting a gentle transition into autumn. Despite this dip, it remains significantly sunnier than the earlier months of the year, highlighting the lingering charm of summer’s glow. As the days shorten, the soft sunlight in September fosters a tranquil environment, perfect for exploring Penglai's scenic landscapes and cultural heritage.
In Penglai, China, the chances of enjoying sunny weather in September stand at an optimistic 46%. This marks a notable improvement from the preceding summer months, where the likelihood of sunshine dips to just 5% in June and 15% in August. As the calendar transitions towards autumn, there is a resurgence of brighter days, especially when compared to the 31% chance in March and 28% in April. With September presenting a more favorable climate for sun-seekers, it's a delightful time to experience the area's natural beauty.
In Penglai, China, the rhythm of daylight reveals a striking seasonal pattern. As summer reaches its zenith in June and July, residents bask in an abundance of 13 hours of golden sunlight, transforming leisurely afternoons into cherished memories. However, as September arrives, daylight begins to gently wane, settling at 12 hours—a subtle reminder that autumn is approaching. This gradual decline continues into October and November, bringing shorter days that contrast with the vibrant summer months. The cyclical dance of light and dark not only shapes daily life but also marks the passage of seasons, as each month invites unique experiences under the shifting skies.
As autumn approaches, the September winds in Penglai, China signal a gentle transition, with an average wind speed of just 1.2 m/s (3 mph). This notable decrease continues a trend observed throughout the summer months, where winds have subtly decreased, peaking slightly in July at 1.6 m/s (4 mph) before tapering off into the fall. September’s calm air, characterized by soft breezes, invites tranquil moments by the coast, setting the stage for the more robust experiences of October’s winds that then pick up again to 2.0 m/s (4 mph). Overall, these shifting wind patterns not only reflect seasonal changes but also enhance the serene beauty of the landscape, making Penglai an enchanting destination during this transitional period.
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, the temperatures range from a minimum of 15°C (60°F) to a maximum of 37°C (99°F), with an average of 25°C (77°F) and a considerable level of humidity at 70%. This warm month also sees significant rainfall, with about 120 mm (4.7 in) spread over 14 days. In contrast, January brings much cooler weather, with temperatures ranging from a chilly -3°C (28°F) to a milder 27°C (81°F), averaging around 12°C (53°F). The month has significantly less rainfall, totaling only 37 mm (1.4 in) over just 5 days and a slight increase in humidity to 73%. For a more detailed look at January weather, visit Penglai weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 37°C (99°F), with an average of 25°C (77°F). This month also sees significant precipitation of 120 mm (4.7 in) over approximately 14 days, resulting in a humidity level of 70%. In contrast, February experiences much cooler temperatures, with a minimum of -4°C (25°F) and a maximum of 27°C (81°F), averaging around 12°C (54°F). The month is drier, receiving only 68 mm (2.7 in) of precipitation across 7 days, while humidity slightly increases to 73%. For a detailed look at February weather in the area, visit Penglai weather in February.
September and March present distinctly different weather patterns. In September, temperatures can soar as high as 37°C (99°F), with an average of 25°C (77°F) and a minimum of 15°C (60°F). This month is characterized by high humidity at 70% and significant rainfall, totaling around 120 mm (4.7 in) over approximately 14 days. In contrast, March brings a cooler climate, with temperatures ranging from a low of 3°C (38°F) to an average of 16°C (60°F) and a maximum of 30°C (86°F). Although March experiences slightly more rainfall at 135 mm (5.3 in) over 16 days, it also comes with higher humidity at 80%. For more detailed insights on the weather in March, you can visit Penglai weather in March.
September and April present distinctly different weather patterns. In September, temperatures range from a minimum of 15°C (60°F) to a peak of 37°C (99°F), with an average of 25°C (77°F). With 120 mm (4.7 in) of precipitation over 14 days and a humidity level of 70%, the month tends to feel warm and somewhat humid. Conversely, April has a cooler temperature range, with lows of 4°C (39°F) and highs reaching 32°C (90°F), and an average of 19°C (66°F). Although the precipitation amount is similar at 111 mm (4.4 in) over the same number of days, April exhibits higher humidity at 81%. For more detailed weather insights, refer to Penglai weather in April.
When comparing the weather in September and May, significant differences emerge. September typically experiences warmer temperatures, with an average high of 25°C (77°F), compared to May's average high of 22°C (72°F). However, May sees cooler minimum temperatures of around 8°C (47°F), while September's minimum is considerably warmer at 15°C (60°F). Precipitation levels are notably higher in May, with around 223 mm (8.8 in) spread across 20 days, compared to September's 120 mm (4.7 in) over 14 days. The humidity also peaks in May at 85%, making it feel quite muggy, whereas September has a slightly lower humidity of 70%. For more detailed information about May weather specifically, you can check Penglai weather in May.
When comparing the weather in September and June, we see some notable differences. September experiences a minimum temperature of 15°C (60°F) and a maximum of 37°C (99°F), with an average of around 25°C (77°F). It also has a significant amount of rainfall, totaling 120 mm (4.7 in) over about 14 days and a humidity level of 70%. In contrast, June's temperatures start higher, with a minimum of 18°C (64°F) and a maximum of 35°C (96°F), but it has more substantial precipitation at 287 mm (11.3 in) spread across 22 days and a higher humidity at 81%. For further details on June weather specifics, you can refer to Penglai weather in June.
In September, the weather experiences a shift towards cooler temperatures, with a minimum of 15°C (60°F) and an average of 25°C (77°F), compared to July's warmer minimum of 21°C (70°F) and average of 27°C (80°F). While July maintains a slightly higher maximum temperature of 35°C (96°F), September sees peaks reaching up to 37°C (99°F). Precipitation in September, totaling 120 mm (4.7 in) over 14 days, is marginally lower than July's 135 mm (5.3 in) across 16 days, resulting in a more humid atmosphere in July at 84% compared to September's 70%. For a detailed overview of July weather conditions, you can visit Penglai weather in July.
In comparing the weather of September and August, September offers a slightly cooler and more varied temperature range, with minimums of 15°C (60°F) and maximums reaching up to 37°C (99°F). The average temperature in September is 25°C (77°F), which is only marginally lower than August's 26°C (79°F). However, August has greater humidity at 82% compared to September’s 70%, making it feel warmer. Additionally, rainfall is significantly higher in August, with 263 mm (10.4 in) occurring over 22 days, while September sees only 120 mm (4.7 in) over 14 days. For a more detailed look into August weather, you can visit Penglai weather in August.
September and October present a notable shift in weather conditions. In September, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 37°C (99°F), with an average temperature of 25°C (77°F). The month sees substantial precipitation, totaling 120 mm (4.7 in) over 14 days, alongside a humidity level of 70%. In contrast, October offers a cooler climate, with temperatures dipping to a minimum of 9°C (49°F) and a maximum of 34°C (94°F), averaging around 21°C (70°F). Precipitation in October is significantly lower at 47 mm (1.8 in), occurring over just 7 days, and the humidity increases slightly to 73%. For more detailed information, you can check Penglai weather in October.
September and November present contrasting weather patterns. In September, temperatures can soar with a minimum of 15°C (60°F) and a maximum reaching up to 37°C (99°F), showcasing the tail end of summer. The month is also characterized by higher precipitation, averaging 120 mm (4.7 inches) over 14 days, coupled with humidity around 70%. In comparison, November brings a significant drop in temperatures, with a minimum of 4°C (40°F) and an average of 17°C (62°F), making it much cooler. Precipitation decreases to 50 mm (2.0 inches) over just 8 days, and humidity rises slightly to 77%. For a closer look at what to expect during this month, check out Penglai weather in November.
September and December showcase striking contrasts in weather. In September, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 37°C (99°F), with an average of 25°C (77°F). During this month, the region experiences significant rainfall, totaling 120 mm (4.7 in) over about 14 days, coupled with a humidity level of 70%.
In contrast, December brings a much cooler climate, with temperatures dipping to a minimum of -1°C (31°F) and peaking at 27°C (81°F), averaging around 13°C (55°F). Precipitation significantly decreases to 28 mm (1.1 in) over just 5 days, while humidity rises slightly to 79%. For a more detailed view of December weather in Penglai, you can visit Penglai weather in December.
September in Penglai marks a notable transition in weather, combining the warmth of summer with a hint of the cooler autumn months. While temperatures can still climb to a high of 37°C, the average feels more moderate at 25°C, offering a soothing reprieve from the peak summer heat. However, this month also witnesses a significant uptick in rainfall, with about 14 days of precipitation bringing the total to 120 mm, a change from the drier summer months. Humidity levels hover around 70%, creating a feeling of richness in the air that contributes to the lush landscapes. For those interested in the intricacies of Penglai's climate throughout the year, explore more at Penglai Climate.