Last updated: August 21, 2025
September in Haining, China showcases a vibrant transition into autumn, characterized by an average temperature of 26°C (78°F). With maximum highs reaching 35°C (95°F), residents can still enjoy warm days, while the cooler minimums of 17°C (63°F) offer refreshing evenings. This month experiences 154 mm (6.1 in) of rainfall spread over 13 days, contributing to a relatively high humidity level of 81%, which adds to the lush greenery of the region. Overall, September brings a blend of warmth and moisture, setting the stage for the beautiful seasonal change.
In September, Haining, China, transitions gracefully from the sweltering summer months to the cooler embrace of autumn. With minimum temperatures settling at a comfortable 17°C (63°F) and maximums peaking at 35°C (95°F), the month showcases an average of 26°C (78°F), creating an ideal climate for outdoor activities. This gradual dip in temperatures reflects a trend that begins to emerge after the intense heat of July and August, where temperatures soared to 38°C (100°F) and 37°C (99°F), respectively. As the leaves start to change and the air becomes crisp, September offers a perfect blend of warmth and freshness, making it an inviting time for visitors and locals alike to enjoy the vibrant surroundings of this charming city.
In September, Haining, China, experiences a notable shift in its precipitation pattern, with 154 mm (6.1 in) of rain falling across 13 days. This amount reflects a decrease from the peak summer months, yet remains significant compared to the drier months ahead. After a sweltering summer, the rains of September act as a gentle reminder of the approaching autumn, contributing to the region's lush landscapes. With rainfall gradually tapering off, this month serves as a pivotal transition, setting the stage for the cooler and drier months of October and November. As the year progresses, the decrease in precipitation highlights a clear trend towards shorter wet periods, further emphasizing the importance of September in Haining's climatic rhythm.
In September, Haining, China, experiences a notable shift in humidity levels, recording 81%, a decrease from the sweltering highs of 93% in July and 91% in August. This transition marks the beginning of a gradual decline in humidity as the area moves into the cooler months. From April through August, humidity levels soar, peaking at 89% to 93%, fostering a leaning toward muggy conditions. However, as September sets in, the drop to 81% indicates a refreshing change, offering residents and visitors alike a brief respite before the autumn months, where humidity continues to moderate further. This trend reflects the seasonal shift in Haining, blending the remnants of summer's warmth with the crisp beginnings of fall.
As September rolls into Haining, the UV Index remains at a striking 11, categorizing it as extreme and indicating a burn time of just 10 minutes for unprotected skin. This trend of high UV levels continues from the blistering summer months of July and August, which also recorded an Index of 11. Fortunately, the intensity begins to taper off into October, where the UV Index drops to 8, but it’s crucial to remain vigilant as the sun's rays can still cause harm. As you plan your outdoor activities, don't forget to check the updated UV Index for safer sun exposure by visiting Haining UV Index.
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As summer bids farewell, September in Haining, China, embraces a warm transition with 241 hours of sunshine, marking a gentle decline from the sun-drenched days of August’s peak 313 hours. This month serves as a bridge between the torrid summer and the cooler autumn, reflecting a consistent trend of diminishing sunlight as the year progresses. Following the vibrant growth in May and July, which each boasted impressive hours of sunshine, September's warmth complements the gradual retreat of summer while still offering ample opportunities for outdoor enjoyment. As daylight wanes, the rhythmic ebb and flow of Haining’s sunshine tells a story of seasonal change, inviting residents and visitors alike to cherish the lingering warmth of early autumn.
As September arrives in Haining, China, there's a noteworthy increase in the likelihood of sunny weather, with a chance of sunshine reaching 46%. This marks a significant jump from the summer months, where July offered only a 15% chance of sun, reflecting the transition from the sweltering peak season to the more temperate early autumn. While still lower than the sun-drenched December at 65%, September stands out as a promising period for those seeking bright skies, surpassing August's 32%. This trend suggests that visitors can anticipate a pleasantly sunny September, making it an ideal time to explore the region's natural beauty.
As September unfolds in Haining, China, the days begin to shorten, offering approximately 12 hours of daylight. This marks a slight decline from the 14 hours enjoyed in June, reflecting the transition from the vibrant summer months to the lingering warmth of early autumn. Throughout the year, daylight gradually increases from about 10 hours in January, peaking in June, before tapering back in fall. The month of September strikes a balance, providing ample light while hinting at the cozier days ahead, as daylight diminishes toward October's 11 hours. This gradual ebb invites a reflective mood, celebrating the beauty of seasonal change while embracing the softer light of early fall.
As September unfolds in Haining, China, the average wind speed reaches a refreshing 3.6 m/s (8 mph), a slight uptick compared to the preceding months. This trend marks a transition as summer winds begin to taper off, with July showcasing the highest gusts at 4.5 m/s (10 mph) before the gentle breezes of August settle in at 2.9 m/s (7 mph). September's winds are emblematic of the seasonal shift, maintaining an invigorating consistency seen throughout the year, where wind speeds hover between 3.0 and 4.5 m/s. As autumn approaches, Haining's breezes not only bring a cooling effect but also signal the onset of a vibrant new season, blending the warm remnants of summer with the crispness of fall.
Weather in Haining varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Haining, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January exhibit stark contrasts in weather conditions. In September, temperatures range from a mild 17°C (63°F) at night to a sweltering 35°C (95°F) during the day, with an average of 26°C (78°F). This month also witnesses significant precipitation, totaling 154 mm (6.1 in) over 13 days, accompanied by high humidity at 81%. In contrast, January presents a much cooler climate, with temperatures dipping as low as -6°C (22°F) and reaching a maximum of 22°C (72°F), averaging only 6°C (44°F). Precipitation is less frequent during this month, totaling 93 mm (3.7 in) across 10 days, while humidity levels decrease to 70%. For a closer look at January weather conditions, visit Haining weather in January.
September and February present contrasting weather patterns, reflecting the transition from summer to winter. In September, temperatures range from a mild 17°C (63°F) at night to a sizzling 35°C (95°F) during the day, with an average of 26°C (78°F). This month also sees significant rainfall, with 154 mm (6.1 in) of precipitation over 13 days and a high humidity of 81%. In contrast, February experiences much cooler temperatures, with lows of -2°C (29°F) and highs reaching up to 24°C (75°F), averaging 7°C (46°F). The month is drier, with only 93 mm (3.7 in) of rain falling over 10 days and lower humidity at 73%. For more details on February weather, visit Haining weather in February.
September and March exhibit strikingly different weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average of 26°C (78°F). The month experiences significant rainfall, totaling 154 mm (6.1 in) over 13 days, while maintaining a high humidity level of 81%. Conversely, March sees much cooler temperatures, with a minimum of 2°C (35°F) and an average of 12°C (54°F), peaking at 26°C (79°F). Although precipitation is slightly lower at 144 mm (5.7 in) over 15 days, humidity remains consistent at 81%. For more detailed information, check out Haining weather in March.
When comparing the weather in September and April, a noticeable contrast emerges in temperature and precipitation. September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 26°C (78°F), peaking at 35°C (95°F). In contrast, April features cooler temperatures, starting at 6°C (44°F) and averaging 17°C (62°F), with a maximum of 30°C (86°F). Precipitation levels also differ, as September sees 154 mm (6.1 in) of rainfall over 13 days, while April experiences 96 mm (3.8 in) over just 10 days. Humidity is slightly higher in April at 87%, compared to 81% in September. For more details on the April weather, you can visit Haining weather in April.
In comparing the weather between September and May, both months feature warm temperatures, but September tends to be hotter overall, with average highs reaching 26°C (78°F) compared to May's 22°C (72°F). While May experiences a slightly higher maximum temperature of 36°C (97°F), it starts off cooler with a minimum of 12°C (54°F) compared to September's minimum of 17°C (63°F). Precipitation is somewhat similar, with September recording 154 mm (6.1 in) over 13 days and May having 167 mm (6.6 in) over 11 days. Humidity levels are also notable, with May being slightly more humid at 87% compared to September's 81%. For more detailed information, you can refer to Haining weather in May.
September and June share similar temperature ranges, with both months experiencing minimum temperatures around 17°C (63°F) and maximums reaching up to 35°C (95°F). However, September tends to be slightly warmer on average at 26°C (78°F), compared to June's average of 25°C (77°F). In terms of precipitation, June is significantly wetter, receiving 334 mm (13.2 in) over 16 rainy days, while September has 154 mm (6.1 in) across 13 days of rain. Additionally, June's humidity is slightly higher at 89% compared to September's 81%. For more detailed information, you can check Haining weather in June.
When comparing the weather in September to July, September offers a slightly cooler climate, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), while July experiences warmer temperatures, with a lower minimum of 22°C (72°F) and a peak of 38°C (100°F). Precipitation in September is lighter at 154 mm (6.1 in) over 13 days, compared to July's more significant 247 mm (9.7 in) across 15 days, indicating wetter conditions in July. Additionally, humidity levels are higher in July at 93%, compared to September's 81%. For more detailed information, you can check Haining weather in July.
September weather shows a notable shift compared to August. While September boasts a minimum temperature of 17°C (63°F) and reaches an average of 26°C (78°F), August experiences warmer conditions with a minimum of 20°C (69°F) and an average of 30°C (86°F). The maximum temperatures also differ, with September peaking at 35°C (95°F) compared to August's high of 37°C (99°F). Precipitation is slightly lower in September at 154 mm (6.1 in) over 13 days compared to August's 181 mm (7.1 in) during the same number of days. Humidity levels are also higher in August at 91%, while September sees a more comfortable 81%. For a detailed look at August weather, visit Haining weather in August.
September and October exhibit notable differences in weather patterns. September boasts warmer temperatures, with a minimum of 17°C (63°F) and an average of 26°C (78°F), peaking at 35°C (95°F). In contrast, October sees cooler temperatures, with a minimum of 11°C (52°F) and an average of 20°C (69°F), while the maximum drops to 33°C (91°F). Additionally, September experiences heavier rainfall, amounting to 154 mm (6.1 in) over 13 days, compared to October's more moderate precipitation of 60 mm (2.3 in) over just 7 days. Humidity levels remain fairly consistent, at 81% in September and 80% in October, contributing to the overall feeling of the season. For more details, you can check out Haining weather in October.
September and November present contrasting weather patterns. September boasts warmer temperatures, ranging from a minimum of 17°C (63°F) to a maximum of 35°C (95°F), with an average of 26°C (78°F). This month is also marked by higher precipitation, totaling 154 mm (6.1 in) over approximately 13 days, accompanied by high humidity levels at 81%. In contrast, November sees a significant drop in temperature, with a minimum of 4°C (39°F) and a maximum of 27°C (81°F), resulting in a cooler average of 15°C (59°F). Rainfall decreases to 70 mm (2.7 in) over 9 days, while humidity remains slightly higher at 82%. For more detailed information, visit Haining weather in November.
In September, the weather is warm with average temperatures around 26°C (78°F), reaching highs of 35°C (95°F), while nighttime lows are still fairly mild at 17°C (63°F). The month sees significant rainfall, totaling 154 mm (6.1 in) over 13 days, accompanied by a high humidity level of 81%. In contrast, December brings much cooler temperatures, with an average of 9°C (48°F) and a maximum of 22°C (72°F), dipping down to a chilly minimum of -4°C (25°F). Precipitation decreases to 77 mm (3.0 in) across 9 days, and humidity also drops slightly to 77%. For more detailed information on December weather patterns, check out Haining weather in December.
As September arrives in Haining, it brings a notable shift in the weather compared to the scorching summer months. With average temperatures settling at a more pleasant 26°C (78°F), the days are warm yet not overpowering, creating an inviting atmosphere for outdoor activities. However, it's also the month that introduces a higher chance of rain, with about 13 days of precipitation contributing to a total of 154 mm (6.1 in), making the air feel more humid at 81%. This blend of warmth and moisture sets the stage for a transition into autumn, offering a unique experience as nature begins to shift. For detailed insights on weather patterns throughout the year, visit Haining Climate.