Last updated: August 21, 2025
In Xuhui, China, September presents a warm and humid climate, with an average temperature of 25°C (78°F), peaking at a maximum of 35°C (94°F) and dipping to a minimum of 17°C (63°F). This month also sees significant rainfall, totaling 177 mm (7.0 in) over approximately 13 days, contributing to a high humidity level of 81%. As summer transitions to autumn, residents and visitors can expect a mix of sunny days and occasional showers, making it essential to prepare for varying weather conditions.
September in Xuhui, China marks a transition to milder weather as summer begins to fade. With minimum temperatures around 17°C (63°F) and averaging at 25°C (78°F), it provides a pleasant reprieve from the sweltering heat of July and August. The maximums, peaking at 35°C (94°F), still offer plenty of warmth, making it an ideal time for outdoor activities. As the month progresses, the cooler nights hint at the approach of autumn, gradually shifting the climate from the summer heat to the more temperate conditions that follow in October. This blend of warmth and coolness makes September a vibrant time in Xuhui, with the landscape often in bloom as the humidity starts to decrease.
In September, Xuhui experiences a notable transition in weather, with precipitation amounting to 177 mm (7.0 in) over approximately 13 rainy days. This month sees a slight decrease from the heavy rains of July and August, yet it remains one of the wetter months of the year. The shift signals the beginning of autumn, as the lush summer humidity gradually gives way to cooler air. Compared to the earlier months, September’s rainfall is substantial, reinforcing trends of increasing precipitation during the summer months and tapering off into the fall. As the region prepares for October, residents can expect a balance of wetter days and a gradual easing into drier conditions.
September in Xuhui, China, marks a notable shift in humidity levels, with an average of 81% — a significant drop from the sweltering peak of 93% experienced in July. This decline hints at the gradual retreat of summer's oppressive moisture, providing a respite for residents as they transition into autumn. Following the high-humidity months of June and August, September's drier air allows for a more comfortable climate, making it an ideal time for outdoor activities. As the year progresses, humidity levels continue to create a dynamic weather pattern, with October's average settling at 80% and November slightly rising to 82%, illustrating the ongoing interplay between seasonal changes and local climate.
In September, Xuhui, China, experiences an UV Index of 11, indicating an extreme exposure category with a burn time of only 10 minutes. This trend aligns with the preceding months of June to August, where similar extreme levels were recorded, highlighting the peak of summer sunlight. As the year progresses, the UV Index gradually decreases, with October expected to drop to 8, transitioning back to very high exposure. This pattern underscores the importance of sun protection measures throughout late summer and early autumn. For more detailed information, you can explore the Xuhui UV Index.
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In September, Xuhui enjoys a delightful 260 hours of sunshine, marking a dip from the sun-drenched heights of August with its impressive 318 hours. This month showcases a transition, as daylight hours begin to recede following the peak summer days, yet still offer a generous amount of sunshine. Interestingly, September's hours are notably higher than those in the cooler months ahead. This seasonal shift not only heralds the arrival of autumn but also offers a splendid opportunity for residents and visitors to savor the lingering warmth and vibrant hues of early fall in Xuhui. The continuous pattern of decreasing daylight reflects the ebb and flow of the seasons, inviting moments of reflection and outdoor enjoyment before the shorter days set in.
In Xuhui, China, the likelihood of sunny weather in September shows a promising shift, with a 44% chance of sunshine. This month stands out as a transition from the oppressive heat of the summer, where the sun shines only 17% of the time in July and 23% in June. As the days grow shorter, September offers a noticeable improvement in weather conditions compared to the preceding months of June through August, which often bring cloud coverage and rain. Interestingly, this pattern persists into October and November, where the chances slowly rise to 43% and 57%, respectively. Thus, September presents a refreshing opportunity for those seeking sunny days before the chill of autumn truly sets in.
As summer yields to autumn, September in Xuhui, China, enjoys a wholesome balance of daylight, with approximately 12 hours of sun lighting up the day. Following the peak of 14 hours in June, daylight gradually wanes in the subsequent months, reflecting the seasonal transition that brings about cooler temperatures. This decline is particularly noticeable as the region moves from the long, sun-drenched days of summer to the shorter daylight hours of fall. Interestingly, the daylight duration in September closely mirrors that of April, bridging the vibrancy of spring and the soft hues of autumn.
As September unfolds in Xuhui, China, the average wind speed hovers around 3.6 m/s (8 mph), a gentle reminder of the summer's fading influence. This month sees a slight increase from August's 3.1 m/s (7 mph), signaling a transition back to more consistent winds reminiscent of spring. Interestingly, July marks the most blustery period with an uptick to 5.1 m/s (11 mph), after which the winds tend to stabilize as autumn settles in. Overall, September's breezes serve as a perfect blend of warmth and coolness, setting the stage for the crisp air of October, which typically follows with an average of 3.8 m/s (8 mph).
Weather in Xuhui varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Xuhui, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present two starkly contrasting weather patterns. In September, temperatures range from a mild 17°C (63°F) at their lowest to a sweltering 35°C (94°F) at their peak, with an average of 25°C (78°F). This month also sees considerable rainfall, with 177 mm (7.0 in) of precipitation spread across 13 days and humidity levels soaring to 81%. In contrast, January is characterized by much colder conditions, with temperatures dropping as low as -8°C (19°F) and averaging just 6°C (44°F), peaking at 22°C (71°F). The winter month is significantly drier, with only 55 mm (2.2 in) of precipitation over 6 days and lower humidity at 70%. For more detailed information on the January weather in Xuhui, visit Xuhui weather in January.
September and February present starkly contrasting weather conditions. In September, temperatures range from a pleasant 17°C (63°F) at night to a scorching maximum of 35°C (94°F) during the day, with an average temperature of 25°C (78°F). This month also sees significant rainfall, accumulating 177 mm (7.0 in) over 13 days, accompanied by high humidity levels of 81%. In contrast, February experiences much colder temperatures, with a minimum of -3°C (27°F) and an average of just 7°C (45°F), peaking at 24°C (76°F). Precipitation is lighter, with 60 mm (2.4 in) spread over only 8 days, and humidity sits at a lower 73%. For more details on February weather, you can check Xuhui weather in February.
In September, the weather is notably warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 35°C (94°F). This month experiences significant rainfall, accumulating 177 mm (7.0 in) over 13 days, while humidity remains high at 81%. In contrast, March presents a cooler climate, with temperatures ranging from a minimum of 2°C (37°F) to a maximum of 26°C (79°F) and an average of only 12°C (54°F). Rainfall is lighter in March, totaling 83 mm (3.3 in) across 12 days, yet the humidity remains the same at 81%. For a detailed look at the weather in March, you can visit Xuhui weather in March. Overall, September is characterized by its warmth and increased precipitation, while March offers a much cooler and drier experience.
Comparing the weather in September and April reveals distinct seasonal characteristics. September boasts significantly warmer temperatures, with a minimum of 17°C (63°F) and an average high of 35°C (94°F), while April experiences cooler temperatures, ranging from a minimum of 5°C (42°F) to a maximum of 31°C (87°F). Rainfall is more abundant in September, with 177 mm (7.0 in) over 13 days, compared to April's 72 mm (2.8 in) across 9 days. Humidity levels are slightly higher in April at 87%, versus September's 81%. For a deeper look at April weather specifics, visit Xuhui weather in April.
In comparing September and May weather, September tends to be warmer, with average temperatures reaching around 25°C (78°F), whereas May has a cooler average of 21°C (71°F). Both months experience similar maximum temperatures, with September peaking at 35°C (94°F) and May also reaching 34°C (94°F). However, September is wetter, receiving 177 mm (7.0 in) of precipitation over 13 days, compared to May’s 117 mm (4.6 in) over 10 days. Interestingly, humidity levels are slightly lower in September at 81%, while May has a higher humidity of 87%. For a closer look at the weather specifics in May, check out Xuhui weather in May.
September and June share similar average temperatures, with June slightly warmer at an average of 25°C (76°F) compared to September's 25°C (78°F). However, June has higher maximum temperatures, peaking at 36°C (96°F) against September's 35°C (94°F). Both months experience significant rainfall, with June receiving 201 mm (7.9 in) over 15 days, while September sees 177 mm (7.0 in) over 13 days. Humidity levels are also higher in June at 89%, compared to 81% in September, making June feel more muggy. For more detailed weather information, you can visit Xuhui weather in June.
In comparing the weather of September and July, September tends to be slightly cooler, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 35°C (94°F), while July experiences higher temperatures, starting at a minimum of 20°C (69°F) and reaching up to 39°C (102°F) on particularly hot days. Additionally, July is characterized by higher humidity levels at 93%, compared to September's 81%. Both months see substantial precipitation, but July has more rain overall, with 250 mm (9.8 in) falling on 16 days, while September receives 177 mm (7.0 in) over 13 days. For a closer look at July weather specifics, you can check Xuhui weather in July.
In comparing the weather of September and August, September exhibits slightly milder temperatures, with average highs of 25°C (78°F) compared to August's warmer average of 29°C (85°F). While both months experience substantial rainfall, September receives 177 mm (7.0 in) of precipitation over 13 days, slightly more than August's 167 mm (6.6 in) over 15 days. Additionally, humidity levels remain high in both months, but August is more humid at 91%, compared to September's 81%. For a detailed look at the August weather patterns, you can check Xuhui weather in August.
In September, the weather is notably warmer with average temperatures reaching 25°C (78°F) and maximums peaking at 35°C (94°F). This month experiences considerable rainfall, with 177 mm (7.0 in) recorded over 13 days, contributing to a high humidity of 81%. In contrast, October sees a significant drop in temperature, with averages around 20°C (68°F) and highs of 31°C (89°F). Precipitation decreases sharply to 69 mm (2.7 in) over just 7 days, while humidity remains relatively stable at 80%. For more specific details on the weather patterns in October, you can refer to Xuhui weather in October.
In September, temperatures range from a mild 17°C (63°F) to a scorching 35°C (94°F), with an average of 25°C (78°F). The month experiences significant rainfall, totaling 177 mm (7.0 in) over 13 days, and the humidity hovers around a high 81%. In contrast, November brings a much cooler climate, with temperatures dipping to a minimum of 2°C (37°F) and peaking at 27°C (81°F), averaging 15°C (59°F). Rainfall is noticeably reduced in November, with only 51 mm (2.0 in) falling over 7 days while maintaining a similar humidity level of 82%. For more detailed information, refer to Xuhui weather in November.
September and December display stark contrasts in weather characteristics. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 35°C (94°F), with an average temperature of 25°C (78°F). The month is also characterized by high humidity at 81% and significant precipitation, totaling 177 mm (7.0 in) over 13 days. In contrast, December features much cooler temperatures, with a minimum of -5°C (22°F) and a maximum of 20°C (69°F), averaging only 8°C (47°F). Precipitation is considerably less in December, totaling 50 mm (2.0 in) over just 8 days, and humidity remains relatively low at 77%. For more specifics on December weather, visit Xuhui weather in December.
As September arrives in Xuhui, the weather begins to shift, offering a unique blend of warmth and humidity. With temperatures still peaking at 35°C (94°F), the month retains the summer's heat, yet an average of 25°C (78°F) creates a more comfortable atmosphere for outdoor activities. This transitional period also brings increased humidity levels around 81%, making it feel more tropical. However, the notable shift comes with 177 mm (7.0 in) of precipitation spread over 13 days, marking a significant increase compared to the drier summer months. This combination of warmth and rain contrasts sharply with the cooler, drier autumn that lies ahead, making September a dynamic rather than static month in Xuhui's climate calendar. For more detailed insights on the weather patterns, visit Xuhui Climate.