Last updated: August 21, 2025
September in Bohai, China presents a unique blend of transitioning weather patterns, characterized by a maximum temperature reaching 28°C (82°F) and an average of 15°C (59°F). With night temperatures dipping to a chilly -1°C (31°F), this month marks the onset of cooler days. Expect an overall precipitation amount of 87 mm (3.4 in), spread over 10 days, contributing to a rather humid environment with a humidity level of 84%. This combination of warmth and moisture makes September a significant month in Bohai, ideal for those who appreciate the change of seasons and the associated natural beauty.
In September, Bohai, China experiences a notable transition as temperatures begin to cool down from the summer heat. With a minimum of -1°C (31°F) and an average of 15°C (59°F), the month marks the approach of autumn, boasting a maximum of 28°C (82°F) that still reflects remnants of summer warmth. This shift is part of a larger trend observed throughout the year, where temperatures gradually decrease from the scorching heights of July and August. As the landscape prepares for the chill of October, September offers a balanced climate that encourages both outdoor activities and the beauty of changing foliage, making it a delightful time to experience the region.
In Bohai, China, September marks a notable shift in weather patterns, as the region experiences an average precipitation of 87 mm (3.4 in) over 10 days. This decline follows the heavy rainfall of August, which saw a staggering 183 mm (7.2 in) and 17 days of rain, indicating that the monsoon season is beginning to wane. Interestingly, while September is wetter than characters like January and February, it also ushers in a more moderate form of rainfall compared to the torrential downpours of summer, suggesting a transitional phase towards drier autumn months. With an increasing number of dry days expected in the following months, the vibrant increase in soil moisture from September's rains sets the stage for a lush fall, benefiting both agriculture and natural flora in the region.
In September, Bohai, China experiences a notable humidity level of 84%, marking a slight decrease from the previous month’s peak of 89% in August. This shift highlights a transition as the region gradually moves from the muggy summer months towards the drier fall. Interestingly, while September is one of the more humid months, it also signifies a turning point; humidity levels have fluctuated throughout the year, starting at 78% in January and peaking during the sweltering summer. As autumn approaches, the humidity begins to decline, with the promise of more comfortable air to follow in the subsequent months. These trends showcase Bohai's dynamic climate, where each season brings its own distinct characteristics.
As September rolls around in Bohai, China, the UV Index reflects a slight retreat from the summer peak, measuring 7 and categorized as high. This signifies an increased need for sun protection as the burn time drops to 25 minutes. Following the sweltering months of July and August, where the index soared to 10, September provides a welcome reprieve while still demanding caution for outdoor activities. The transition from summer to autumn shows a gradual easing of UV intensity, but vigilance is still essential as autumn settles in. For more information on UV exposure levels throughout the year, visit Bohai UV Index.
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September in Bohai, China, brings a delightful transition toward autumn with 284 hours of sunshine, a slight dip from the summer's peak in July. This month still captures the essence of warmth and brightness, following a vibrant summer that reached a high of 339 hours in July before gradually declining. As days shorten and the air cools, September maintains a generous amount of sunlight, reminiscent of August’s 292 hours. The trend shows a steady decrease from the summer months, yet September remains a wonderful time to enjoy the lingering warmth of late summer before the crisp, cooler days of October, which offers 261 hours of sunshine, set in. The blend of glowing sunsets and comfortable temperatures in September makes it an inviting time to experience Bohai's natural beauty.
In Bohai, China, September marks a subtle transition in weather patterns, boasting a 33% chance of sunny days. As the summer heat fades, the likelihood of sunshine dips slightly, reflecting the end of the warmer months. This trend is part of a broader pattern throughout the year, where the chances of sun tend to decrease from the peak summer months of July and August, which both hover around 28% and 32%. Interestingly, this slight decrease in September precedes a gradual increase in sunny days again by October, which sees a more optimistic 54% chance of sunshine. Thus, while September may not be the sunniest month, it invites the possibility of clear skies amidst the changing seasons.
As summer transitions into early autumn, September in Bohai, China, welcomes a gentle decrease in daylight duration, offering about 12 hours of sunlight. Following the vibrant and lengthy days of June and July, which peak at an impressive 15 hours, September marks a noticeable shift toward shorter days. This drop continues the trend seen from August, where daylight wanes to 13 hours, hinting at the impending arrival of autumn. This month serves as a bridge, reminding us of summer's warmth while gradually preparing for the cozy, shorter days of October, which will soon follow with only 10 hours of daylight.
As the seasons change in Bohai, China, September ushers in a gentle breeze with an average wind speed of 2.2 m/s (5 mph). This marks a slight decline from the summer months, where wind speeds hovered around 2.8 m/s in August, and reflects a broader trend of decreasing winds from the peak summer season. Notably, January to March sees more robust winds, averaging between 2.8 m/s and 3.3 m/s, signifying the arrival of cooler air masses. However, as autumn settles in, the air grows stiller, hinting at the tranquil yet vibrant atmosphere of Bohai, where the soft winds perfectly complement the stunning transition of colors in the landscape.
Weather in Bohai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bohai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is significantly milder, with temperatures ranging from a chilly minimum of -1°C (31°F) to a pleasant maximum of 28°C (82°F), and an average of 15°C (59°F). This month experiences more rainfall, totaling 87 mm (3.4 in) over approximately 10 days and humidity levels reaching 84%. In contrast, January brings much harsher conditions, with temperatures plummeting to a minimum of -32°C (-25°F) and an average of -15°C (5°F), peaking at only 2°C (35°F). Precipitation is sparse, with just 7 mm (0.3 in) across 2 days and a lower humidity of 78%. For a detailed overview, you can check Bohai weather in January.
September and February present stark contrasts in weather conditions. In September, temperatures range from a minimum of -1°C (31°F) to a pleasant maximum of 28°C (82°F), with an average of 15°C (59°F). This month experiences relatively high humidity at 84% and considerable precipitation totaling 87 mm (3.4 in) over about 10 days. In contrast, February features much colder temperatures, with a minimum of -27°C (-16°F) and a maximum of only 6°C (44°F), resulting in an average of -12°C (12°F). This winter month is significantly drier, with only 10 mm (0.4 in) of precipitation over just 3 days and a lower humidity level of 75%. For more detailed information on February weather, visit Bohai weather in February.
September and March present stark contrasts in weather patterns. In September, temperatures range from a chilly minimum of -1°C (31°F) to a warm maximum of 28°C (82°F), with an average of 15°C (59°F). The month experiences a considerable amount of precipitation at 87 mm (3.4 in) over 10 days, accompanied by high humidity at 84%. In contrast, March sees much colder conditions, with temperatures plummeting to a minimum of -26°C (-15°F) and peaking at a maximum of 20°C (68°F), averaging around -2°C (29°F). Precipitation is significantly lower at 26 mm (1.0 in) over just 6 days, and humidity is also reduced to 70%. For a more detailed look at March's weather, you can check Bohai weather in March.
When comparing the weather in September and April, notable differences emerge. September features a wider temperature range, with minimums around -1°C (31°F) and maximums reaching up to 28°C (82°F), while April sees cooler overall temperatures, with lows of -7°C (20°F) and highs of 29°C (84°F). September also experiences relatively high humidity at 84% and more precipitation at 87 mm (3.4 in) over 10 days, compared to April's lower humidity of 65% and 37 mm (1.5 in) of rain over just 8 days. For more detailed insights into April weather, you can refer to Bohai weather in April.
When comparing the weather in September and May, we see notable differences in temperature, precipitation, and humidity. September experiences a wider temperature range, with minimums dropping to -1°C (31°F) and maximums reaching 28°C (82°F), while May's temperatures are milder, ranging from a minimum of 0°C (33°F) to a maximum of 32°C (90°F). Rainfall is slightly higher in September, totaling 87 mm (3.4 in) over 10 days, compared to May's 78 mm (3.1 in) across 12 days. Additionally, September tends to be more humid at 84%, whereas May has a relatively lower humidity level of 72%. For more detailed information about weather conditions in May, you can visit Bohai weather in May.
In comparing the weather of September and June, we see notable differences in both temperature and precipitation. September experiences a broader temperature range, with minimum temperatures dropping to -1°C (31°F) and a maximum reaching up to 28°C (82°F), averaging around 15°C (59°F). In contrast, June is warmer overall, with a minimum of 6°C (43°F) and a maximum of 32°C (90°F), averaging 17°C (63°F). Precipitation is more pronounced in June, with 108 mm (4.3 in) over 15 days, compared to September's 87 mm (3.4 in) over 10 days. Although humidity levels are quite similar, with September at 84% and June at 82%, the higher temperatures in June make it feel more humid. For more details on June weather, check out Bohai weather in June.
In comparing the weather of September and July, one can observe distinct differences in temperature patterns and precipitation. September features a broader range of temperatures, with a minimum of -1°C (31°F) and a maximum of 28°C (82°F), averaging around 15°C (59°F). In contrast, July is significantly warmer, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 34°C (94°F), averaging at 22°C (72°F). July also experiences slightly higher precipitation, measuring 110 mm (4.3 in) over 12 days, compared to September's 87 mm (3.4 in) over 10 days. Humidity levels are quite similar, with July at 87% and September at 84%. For a more detailed view of July's weather patterns, you can check Bohai weather in July.
In September, the weather shows a notable drop in temperature compared to August, with minimums dipping to -1°C (31°F), while average highs reach 28°C (82°F). Humidity remains relatively high at 84%, but overall, it feels cooler than August, where the minimum temperature is 6°C (43°F) and maximums soar to 35°C (95°F). Additionally, September experiences 87 mm (3.4 in) of precipitation over 10 days, which is less than August's 183 mm (7.2 in) over 17 days, indicating a shift toward drier conditions as summer fades. For a more detailed look at August weather patterns, visit Bohai weather in August.
September and October present a notable shift in weather patterns. In September, temperatures range from a minimum of -1°C (31°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F) and relatively high humidity at 84%. The month experiences about 87 mm (3.4 in) of precipitation over roughly 10 days. In contrast, October sees lower temperatures, with a minimum of -8°C (19°F) and an average high of 27°C (81°F), leading to an overall cooler climate with an average temperature of 6°C (44°F). Precipitation decreases significantly to 38 mm (1.5 in) over just 6 days, maintaining a slightly lower humidity level at 83%. For more detailed information, you can check out Bohai weather in October.
In September, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 28°C (82°F), with an average temperature of 15°C (59°F). The month experiences significant rainfall, totaling 87 mm (3.4 in) over approximately 10 days, accompanied by high humidity at 84%. In stark contrast, November brings much colder conditions, with temperatures dipping to a minimum of -19°C (-1°F) and an average of -3°C (27°F), while the maximum only reaches 15°C (59°F). Precipitation is reduced to 41 mm (1.6 in) over just 5 days, and humidity, while lower than September, remains at 67%. For further details, you can refer to Bohai weather in November.
In September, the weather is notably milder, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 28°C (82°F) and an average of 15°C (59°F). The month sees a significant amount of precipitation, tallying 87 mm (3.4 in) over approximately 10 days, along with a high humidity level of 84%. Conversely, December brings a stark contrast, with much colder temperatures that can dip as low as -29°C (-21°F). The average temperature hovers around -13°C (9°F), and the maximum rarely exceeds 7°C (45°F). Precipitation drops dramatically to just 10 mm (0.4 in) over 2 days, while humidity decreases to 70%. For more detailed information, check out Bohai weather in December.
As September unfolds in Bohai, the weather reflects a dynamic transition from the warmth of summer to the crispness of autumn. With temperatures settling between a comfortable 15°C (averaging) and a maximum of 28°C, this month offers a delightful balance, unlike the extremes of winter or the sweltering heat of mid-summer. Rainfall is also noteworthy, with 10 days of precipitation totaling 87 mm, adding to the humidity levels, which remain high at 84%. This combination creates a unique atmosphere—one that invites outdoor exploration while also signaling the approaching cooler months. For a deeper understanding of how Bohai's weather shapes the seasons, visit Bohai Climate.