Last updated: August 21, 2025
September in Beidaihehaibin, China offers a delightful mix of warm temperatures and refreshing coastal conditions. With maximum temperatures reaching 28°C (83°F) and an average of 22°C (72°F), visitors can expect pleasant weather for outdoor activities. However, evenings cool down to a minimum of 14°C (58°F), providing a comfortable atmosphere. Rainfall is moderate, with 69 mm (2.7 in) spread over approximately six days, resulting in a humidity level of about 66%. This blend of warmth and occasional showers creates an inviting environment, perfect for enjoying the natural beauty of this coastal gem.
September in Beidaihehaibin marks a delightful transition as summer gently fades into autumn. With minimum temperatures dipping to a comfortable 14°C (58°F) and averaging around 22°C (72°F), the month offers a pleasant respite from the heat. The maximum temperatures can reach up to 28°C (83°F), ideal for those wishing to soak up the last rays of sun by the beach. This month stands out with its relatively moderate temperatures, hinting at the upcoming cooler months without the harsh chill of winter. As visitors explore the scenic beauty of this coastal city, they can enjoy the mild weather, making September a perfect time for outdoor adventures and scenic strolls along the shoreline.
In September, Beidaihehaibin experiences a notable shift in precipitation patterns, accumulating 69 mm (2.7 in) of rain over 6 days. This marked reduction follows the heavy downpours of August, which recorded the highest monthly rainfall of the year at 238 mm (9.4 in). As the transition to autumn begins, the rainfall in September provides a respite without completely abandoning moisture, contrasting sharply with the near-dry conditions of January. This month's precipitation demonstrates a gradual tapering as the year progresses, hinting at a return to drier conditions as temperatures cool. The consistent rainfall days, though fewer than the peak summer months, still contribute significantly to the overall climate, ensuring that September remains a pivotal month in the region's weather cycle.
As September rolls into Beidaihehaibin, China, the humidity begins to recede from its peak summer highs, settling at a comfortable 66%. This marks a noticeable drop from the sultry months of July and August, which enjoy humidities of 82% and 80%, respectively. Following the peak summer, September's climate offers a refreshing transition, reminiscent of the spring months, where humidity levels first began to rise from a low of 44% in February. The gradual shift toward the wetter fall season will continue through October, which sees an uptick to 70% humidity, but for now, September provides a brief respite that heralds the upcoming seasonal changes with a balance that is both inviting and pleasant.
As September rolls in Beidaihehaibin, the UV Index dips slightly to 7, placing it within the high exposure category. While this marks a decrease from the extreme levels of July, it still requires vigilance as the burn time for unprotected skin reduces to 25 minutes. This trend signifies the transition from the intense summer months, where values peaked at 11, to a more moderate yet still cautionary level as autumn approaches. Visitors and residents alike should stay informed and maintain sun safety practices to fully enjoy the pleasant September weather. For detailed insights, check out the Beidaihehaibin UV Index.
UV Risk Categories
September in Beidaihehaibin, China, encapsulates the beauty of the transitioning seasons, offering an impressive 289 hours of sunshine. This month stands as a bridge between the peak summer months—where sunshine hours soar, peaking in May at 332 hours—and the gradual decline into autumn. Notably, while September sees a dip from the sun-drenched days of July and August, it remains rich in sunlight compared to the early winter months, such as November and December, where hours fall to 242 and 251, respectively. This trend highlights September as a cherished time for visitors to enjoy the vibrant coastal scenery, with the lingering warmth of summer still in the air.
In Beidaihehaibin, China, September marks the transition from summer to autumn, bringing a 47% chance of sunny weather. This late-summer month shows a slight improvement from the gloomy days of July, which recorded only a 31% probability of sunshine. While September's likelihood of sun dips below the early part of the year when January boasts a robust 70%, it remains more promising than the cloudy June with just 40%. As the days grow shorter and the weather cools, visitors can still look forward to a moderate degree of sunshine, making September a delightful time to explore the coastal charm of Beidaihehaibin.
In September, Beidaihehaibin experiences a gradual transition from the long, sun-drenched days of summer, with daylight lasting approximately 12 hours. This month marks a noticeable shift, as the daylight begins to wane, following the peak of 14 hours in the summer months of June and July. The slight decrease in sunlight mirrors the approaching autumn, where daylight hours continue to drop, leading to shorter days in October and November. This rhythm of daylight not only highlights the changing seasons but also hints at the cozy charm that autumn brings to this coastal region. As the vibrant summer fades, September offers a balanced blend of light to enjoy the lingering warmth of the season.
As the summer heat begins to wane, September in Beidaihehaibin, China, brings a refreshing shift in the atmosphere, characterized by an average wind speed of 4.3 m/s (10 mph). This marks a notable increase from the languid breezes of August, which languished at just 3.1 m/s (7 mph). The renewed vitality in the air reflects a seasonal transition, as autumn's cool embrace sets in, promising to invigorate both landscapes and spirits. Looking back, the year reveals a pattern where wind speeds generally peak in the cooler months; after September, we see a slight dip in October, followed by a resurgence in November, where gusts can reach 5.0 m/s (11 mph). This trend underscores the dynamic interplay between seasonal changes and wind activity, inviting both locals and visitors to bask in the revitalizing September winds.
Weather in Beidaihehaibin varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Beidaihehaibin, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is considerably warmer and more humid, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (83°F), accompanied by an average of 22°C (72°F). This month also sees about 69 mm (2.7 in) of precipitation over six days, leading to a humidity level of 66%. In stark contrast, January presents a chilly atmosphere, where temperatures drop significantly, ranging from a minimum of -18°C (1°F) to a maximum of only 4°C (40°F), with an average temperature of -2°C (29°F). January experiences very little rainfall, just 3 mm (0.1 in), and typically has no rainy days, alongside lower humidity at 48%. For detailed insights about January weather, you can check Beidaihehaibin weather in January.
September and February present stark contrasts in weather. In September, temperatures range from a minimum of 14°C (58°F) to a maximum of 28°C (83°F), with an average of 22°C (72°F). This month sees relatively higher humidity at 66% and experiences about 69 mm (2.7 in) of precipitation over 6 days. In contrast, February is characterized by much colder temperatures, with a minimum of -10°C (15°F) and a maximum of just 9°C (48°F), averaging -1°C (31°F). The winter month is considerably drier, receiving only 8 mm (0.3 in) of precipitation over just 2 days, with lower humidity at 44%. For more detailed information about the weather during this time, check out Beidaihehaibin weather in February.
When comparing the weather in September and March, distinct differences emerge. September boasts a mild climate with average temperatures ranging from a minimum of 14°C (58°F) to a maximum of 28°C (83°F) and relatively high humidity at 66%. In contrast, March presents a much cooler environment, with temperatures averaging only 4°C (40°F), ranging from -5°C (23°F) to 13°C (55°F). The precipitation is also notably different; September receives 69 mm (2.7 in) over about 6 days, while March sees only 15 mm (0.6 in) across 4 days. Overall, September feels much warmer and wetter than the cool, crisp conditions of March. For more detailed information on March weather, you can refer to Beidaihehaibin weather in March.
In comparing the weather of September and April, a clear contrast emerges. September typically enjoys warmer temperatures, with averages around 22°C (72°F) and highs reaching up to 28°C (83°F), while April is significantly cooler, averaging just 10°C (50°F) and peaking at 21°C (71°F). Additionally, September experiences more rainfall, averaging 69 mm over about six days, compared to April's lighter precipitation of 28 mm across roughly four days. Humidity levels are also fairly similar, with September at 66% and April slightly lower at 63%. For a detailed look at April weather in the region, visit Beidaihehaibin weather in April.
In comparing the weather of September and May, September boasts warmer overall temperatures, with an average of 22°C (72°F) compared to May's cooler average of 16°C (61°F). The minimum temperature in September is also higher, at 14°C (58°F), while May starts off with a cooler minimum of 8°C (47°F). Furthermore, September experiences slightly more precipitation with 69 mm (2.7 in) over about six days, whereas May sees less rain, tallying 41 mm (1.6 in) over four days. Interestingly, both months maintain the same humidity level of 66%, making the air feel just as humid in each season. For more detailed information, you can check out Beidaihehaibin weather in May.
In September, the weather tends to be slightly warmer than in June, with average temperatures reaching around 22°C (72°F) compared to June's average of 21°C (70°F). The maximum temperatures in September generally peak at 28°C (83°F), whereas June can get hotter, reaching up to 31°C (87°F). Both months experience a similar number of rainfall days, with September receiving slightly more precipitation at 69 mm (2.7 in) compared to June's 50 mm (2.0 in). Additionally, humidity levels are quite comparable, with September at 66% and June just a bit higher at 69%. For more specific details on June's weather, you can check Beidaihehaibin weather in June.
When comparing the weather in September and July, it's clear that July is generally warmer and more humid. In July, the minimum temperature is 21°C (69°F), averaging around 25°C (77°F) and peaking at 31°C (88°F), while September boasts lower temperatures with a minimum of 14°C (58°F), an average of 22°C (72°F), and a maximum of 28°C (83°F). Precipitation is significantly higher in July, with 139 mm (5.5 in) falling over 10 days compared to September's 69 mm (2.7 in) over just 6 days. Additionally, July experiences higher humidity levels at 82%, contrasted with September's 66%. For more details on July weather, you can refer to Beidaihehaibin weather in July.
In comparing the weather conditions of September and August, September presents a more mild and manageable climate. The average temperature in September is 22°C (72°F), with a maximum of 28°C (83°F), which is notably cooler than August’s average of 26°C (78°F) and peak of 31°C (87°F). Additionally, September experiences significantly less precipitation at 69 mm (2.7 in) over 6 days, contrasting with August's heavy rainfall of 238 mm (9.4 in) spread over 11 days. Humidity also decreases in September to 66%, making it a more comfortable month overall. For further insights into August's weather, check out Beidaihehaibin weather in August.
In comparing the weather between September and October, September boasts warmer temperatures with an average of 22°C (72°F), peaking at a comfortable 28°C (83°F), while October sees a notable drop, with an average of only 15°C (59°F) and a maximum of 25°C (77°F). September also experiences more rain, with a total of 69 mm (2.7 in) falling over 6 days, compared to October's 39 mm (1.5 in) over just 4 days. Humidity levels remain fairly constant, slightly increasing in October to 70% from September's 66%. For more detailed insights into October weather, you can check Beidaihehaibin weather in October.
In September, the weather is typically warmer, with temperatures ranging from a mild 14°C (58°F) at night to a comfortable 28°C (83°F) during the day, and an average temperature of 22°C (72°F). The month sees some rainfall, with an average of 69 mm (2.7 in) spread over about six days, and humidity levels around 66%.
In contrast, November brings a significant drop in temperatures, with minimums plummeting to -2°C (28°F) and maximums reaching only 17°C (63°F), resulting in an average temperature of 8°C (46°F). Precipitation decreases notably to 22 mm (0.9 in) over just three days, while humidity remains slightly higher at 69%. For a detailed look at the November climate, you can check Beidaihehaibin weather in November.
In September, the weather is relatively warm, with average temperatures hovering around 22°C (72°F) and highs reaching up to 28°C (83°F). It typically experiences about 69 mm (2.7 in) of precipitation over 6 days, accompanied by a humidity level of 66%. In contrast, December brings a stark temperature drop, with temperatures averaging around 0°C (33°F), a maximum of only 9°C (48°F), and a notable minimum of -13°C (8°F). Precipitation is significantly lower in December, totaling just 5 mm (0.2 in) over the course of only 1 day, and the humidity decreases to 55%. For a more detailed look at December weather, check out Beidaihehaibin weather in December.
September in Beidaihehaibin marks a delightful transition into mild autumn, with the weather offering a pleasant respite from the summer heat. Temperatures tend to be moderate, making outdoor activities enjoyable, while the lower humidity compared to the peak summer months enhances comfort levels. Although September sees some rain, it is typically less frequent than in the preceding months, providing ample opportunity to explore the scenic coastal surroundings. This month’s climate is notably characterized by a comfortable average temperature, with the water still warm enough for lingering beach days. For a deeper dive into the region's weather patterns, check out Beidaihehaibin Climate.