September Weather in Shanghe, China

Last updated: August 21, 2025

In Shanghe, China, September weather presents a blend of warmth and moisture, typical of late summer. With maximum temperatures soaring up to 38°C (101°F), and an average of 24°C (76°F), the days can feel quite hot. Nights offer some relief, cooling down to a pleasant minimum of 16°C (62°F). However, residents and visitors should be prepared for frequent rainfall, as the month witnesses a significant 171 mm (6.7 in) of precipitation spread across 16 rainy days. Coupled with high humidity levels at 86%, September in Shanghe creates a muggy atmosphere, emphasizing the charm and challenges of transitioning into fall.

September Temperature in Shanghe

In September, Shanghe, China, experiences a notable transition as the sweltering summer heat begins to wane. The minimum temperature settles at a comfortable 16°C (62°F), providing a refreshing change from the sweltering highs of August. The average temperature rises to 24°C (76°F), making outdoor activities enjoyable without the oppressive heat, while the maximum can still reach 38°C (101°F), reminding us that summer is not quite finished yet. This month serves as a bridge between the intense warmth of summer and the cooler embrace of autumn, showcasing a gentle decline in temperatures that heralds the approach of more temperate days ahead.

September Weather in Shanghe: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Shanghe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shanghe, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec475160667277838575655749
Data source: Temperature data for Shanghe generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Shanghe

In September, Shanghe, China, experiences a notable rise in precipitation, with 171 mm (6.7 in) of rain over 16 days. This marks a peak in the typically wet late summer season, following the heavy rainfall of July and August. The rainfall in September contributes to the region's vibrant autumn scenery, as the lush growth from the summer months is nourished by this substantial moisture. The increase in both precipitation and rainy days further underscores Shanghe's shift from summer's peak conditions to the milder, yet still damp, autumn months ahead. As the year progresses, rainfall begins to taper off, with October bringing fewer storms and a decrease in total precipitation, signaling the transition toward the drier winter season.

September Precipitation Trends in Shanghe

The chart displays monthly precipitation patterns in Shanghe, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Shanghe, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2529611321411332091481711213631
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shanghe

As September rolls into Shanghe, China, humidity levels remain consistently high, settling at 86%. This is just slightly lower than the peak humidity of 87% experienced in August. The trend over the months reveals a steady increase in humidity from January, which begins at 78%, peaking in the summer months. While September marks the final days of summer, its humidity maintains the elevated levels characteristic of the season, perfectly illustrating the transition from the sweltering heat of summer to the more temperate climate of autumn. With average humidity closely hugging the mid-80s throughout the year, residents can expect a notably moist atmosphere, especially in the late summer and early fall months.

September Average Humidity in Shanghe

This chart illustrates the average monthly humidity levels in Shanghe, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Shanghe is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%86%81%83%85%86%87%86%87%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Shanghe

As September rolls around in Shanghe, China, residents and visitors alike are greeted by an extreme UV Index of 11, signaling a peak in sun exposure risk. This trend of high UV levels that began in May continues, demanding vigilant sun protection measures to avoid sunburn in as little as 10 minutes. Following a summer characterized by similarly extreme indices, September highlights the importance of sunscreen, protective clothing, and seeking shade during peak hours. As the month transitions into autumn, one can expect a gradual decline in UV intensity, but for now, the sun remains potent. For more details, check out the complete Shanghe UV Index.

Maximum UV Index Levels in Shanghe for September

The chart shows the monthly maximum UV Index (UVI) for Shanghe in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Shanghe typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101111121111864
Data source: Shanghe September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Shanghe

As summer winds down, September in Shanghe, China, continues to bask in a generous 227 hours of sunshine, a comforting glow that hints at the transition into autumn. This month reflects a significant shift from the peak of 321 hours in August, showcasing the gradual decrease in daylight as the year progresses. Notably, the sunshine hours exhibit an upward trend from January through August, peaking just before fall, before dipping in September. Despite the decrease, this month's hours remain substantially higher than the winter months, highlighting a lingering warmth and inviting atmosphere that characterizes early fall in the region. As the days become shorter, residents and visitors alike can savor the tail end of sunshine before the cooler months set in.

Monthly Sunshine Duration in Shanghe: September Highlighted

The September sunshine duration represents the total number of hours Shanghe experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec150h189h215h242h266h275h291h321h227h150h158h153h
Data source: Shanghe September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shanghe During September

In Shanghe, China, the likelihood of enjoying sunny weather in September stands at a moderate 30%, presenting a subtle uptick compared to the summer months. While July boasts a higher chance of sunshine at 32%, August dips to 23%, suggesting a gradual transition as autumn approaches. This trend indicates that September may be a favorable time for those hoping to catch some rays before the days grow shorter, although it's worth noting that the chances are still lower than the year's peak in July. As the city shifts from the humid summer to the cooler autumn, September offers a balanced blend of sun and pleasant temperatures, making it an inviting month for outdoor activities.

Percentage of Sunny Days in September in Shanghe

The chart illustrates the percentage of sunny days in Shanghe throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Shanghe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%31%27%14%16%12%32%23%30%16%25%28%
Data source: Shanghe September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shanghe in September

As summer wanes, September in Shanghe, China ushers in a gentle transition marked by 12 hours of daylight. Following the peak of 14 hours in June, daylight begins to recede, reflecting the gradual tapering of summer's warmth. The trend of increasing daylight from 10 hours in January to a lush 13 hours in May sets an inviting backdrop for the outdoor activities of spring and summer. However, as the days turn shorter leading into autumn, this steady decline creates a rhythmic pulse in nature, preparing the landscape for the crispness of October and the early hints of winter ahead.

Average Daylight Hours in Shanghe for September

The chart illustrates the variation in daylight duration in Shanghe throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 24m11h 5m11h 59m12h 54m13h 40m14h 3m13h 51m13h 11m12h 19m11h 24m10h 36m10h 12m
Data source: Shanghe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Shanghe

As September arrives in Shanghe, the winds begin to whisper a gentle change, with an average speed of 2.1 m/s (5 mph)— a slight increase from the preceding months. This uptick in wind speed reflects a subtle transition as summer fades and autumn approaches, creating a refreshing atmosphere ripe for outdoor activities. Throughout the summer, wind speeds hovered around 1.6 to 2.0 m/s, but September's gentle breeze hints at cooler days ahead, while still maintaining a pleasant feel. This seasonal shift, characterized by a robust yet gentle airflow, makes September one of the more inviting months to experience the serene landscapes of Shanghe. Looking ahead, the winds will stabilize to around 2.0 m/s in October, but for now, September's breezy charm is a welcome embrace of nature's rhythms.

Average September Wind Speed in Shanghe

The chart displays monthly wind speed patterns in Shanghe, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.02.22.01.91.91.62.02.1 m/s2.01.81.7
Data source: Shanghe September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Shanghe Compares to Other Months

Weather in Shanghe varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Shanghe, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present stark contrasts in weather. September boasts warm temperatures, ranging from a minimum of 16°C (62°F) to a sweltering maximum of 38°C (101°F), with an average temperature of 24°C (76°F). This month is characterized by high humidity levels at 86% and significant rainfall, totaling 171 mm (6.7 in) over 16 days. In contrast, January experiences much cooler conditions, with temperatures dipping as low as -2°C (29°F) and only reaching a maximum of 16°C (62°F), resulting in an average temperature of 8°C (47°F). Precipitation is minimal in January, totaling just 25 mm (1.0 in) over 5 days, and humidity levels are comparatively lower at 78%. For a more detailed look at January weather, visit Shanghe weather in January.

September and February exhibit stark contrasts in weather. September temperatures range from a minimum of 16°C (62°F) to a scorching maximum of 38°C (101°F), with an average of 24°C (76°F), while February sees much cooler conditions, with temperatures dipping to a minimum of 1°C (35°F) and peaking at 26°C (78°F), averaging just 10°C (51°F). Additionally, September experiences significantly higher precipitation at 171 mm (6.7 in) over 16 days, compared to February's 29 mm (1.1 in) spread over only 6 days. Humidity remains relatively high in both months, but September's 86% is noticeably higher than February's 80%, highlighting the more humid conditions of early fall. For more specific weather details, check Shanghe weather in February.

In comparing the weather of September and March, notable differences emerge in temperature and precipitation. September boasts warmer temperatures, with a minimum of 16°C (62°F) and an average of 24°C (76°F), peaking at a high of 38°C (101°F). In contrast, March experiences cooler conditions, starting from a minimum of 6°C (43°F) and reaching an average of 15°C (60°F), with a maximum of 33°C (91°F). Additionally, September sees significantly more rainfall, recording 171 mm (6.7 in) across 16 days, while March has a relatively dry spell with just 61 mm (2.4 in) over 12 days. Humidity levels are fairly similar, staying around 86% in September and 85% in March. For a closer look at the weather specifics in March, you can refer to Shanghe weather in March.

When comparing the weather in September and April, significant differences emerge in temperature and precipitation. September boasts higher temperatures, with a minimum of 16°C (62°F) and an average of 24°C (76°F), peaking at a scorching 38°C (101°F). In contrast, April has cooler temperatures, ranging from a minimum of 10°C (50°F) to a maximum of 35°C (96°F), with an average of 19°C (67°F). Precipitation levels are also notable, as September experiences 171 mm (6.7 in) across 16 days, while April sees a slightly lower 132 mm (5.2 in) over 13 days. The humidity in September is higher at 86% compared to April's 81%, adding to the overall warmth of the month. For more specific details on April weather, you can check Shanghe weather in April.

In comparing the weather conditions of September and May, September tends to be slightly warmer overall. The average temperature in September is around 24°C (76°F), peaking at a maximum of 38°C (101°F), while May has a lower average of 22°C (73°F) with a maximum of 36°C (97°F). Both months experience similar levels of precipitation, with September receiving 171 mm (6.7 in) over 16 days compared to May's 141 mm (5.5 in) during the same number of days. Additionally, September's humidity is slightly higher at 86%, compared to May's 83%. For more detailed information, you can check Shanghe weather in May.

When comparing the weather in September and June, we see that September experiences a broader temperature range, with minimums around 16°C (62°F) and maximums reaching as high as 38°C (101°F). In contrast, June's temperatures are slightly milder, with a minimum of 18°C (64°F) and a maximum of 35°C (95°F). Both months see considerable rainfall, but September has higher precipitation totals at 171 mm (6.7 in) over 16 days, compared to June's 133 mm (5.2 in) over 15 days. Humidity levels are fairly similar, with September at 86% and June at 85%. For further details on June weather, you can check Shanghe weather in June.

In comparison to July, September experiences slightly cooler temperatures, with minimums around 16°C (62°F) and maximums reaching up to 38°C (101°F), compared to July's minimum of 20°C (69°F) and maximum of 42°C (108°F). Both months share identical humidity levels at 86%, creating a consistently muggy atmosphere. However, September tends to have less precipitation at 171 mm (6.7 in) over 16 days, compared to July's 209 mm (8.2 in) across the same number of days. For more detailed information about July weather patterns, you can visit Shanghe weather in July.

In comparing the weather between September and August, September exhibits a slightly cooler temperature range, with minimums around 16°C (62°F) and maximums reaching 38°C (101°F), compared to August's minimum of 19°C (67°F) and maximum of 41°C (106°F). While September receives a bit more precipitation at 171 mm (6.7 in) over 16 days, August is not far behind with 148 mm (5.8 in) over 13 days. Additionally, humidity levels remain high in both months, with September recorded at 86% and August at 87%. For more details on August weather, you can visit Shanghe weather in August.

September and October present a noticeable shift in weather patterns. September boasts warmer temperatures, with a minimum of 16°C (62°F) and an average high reaching 38°C (101°F), while October cools significantly, with minimum temperatures dropping to 10°C (51°F) and an average high of 35°C (95°F). Precipitation is also notable, with September receiving 171 mm (6.7 in) over 16 days and October slightly less at 121 mm (4.8 in) across 18 days of rain. Humidity remains consistently high in both months at 86%. For more details, visit Shanghe weather in October.

September and November present a stark contrast in weather conditions. September boasts warmer temperatures with a minimum of 16°C (62°F) and a maximum reaching up to 38°C (101°F), along with an average temperature of 24°C (76°F). This month is also characterized by significant rainfall, totaling 171 mm (6.7 in) over 16 days, coupled with high humidity at 86%. In contrast, November experiences much cooler temperatures, with a minimum of 5°C (41°F) and a maximum of 25°C (78°F), averaging 14°C (57°F). Precipitation drops to 36 mm (1.4 in) over just 8 days, while humidity remains relatively high at 87%. For more detailed information, you can refer to Shanghe weather in November.

September is characterized by warm temperatures, with an average of 24°C (76°F) and highs reaching up to 38°C (101°F). The month also experiences significant rainfall, totaling 171 mm (6.7 in) over about 16 days, coupled with high humidity levels at 86%. In contrast, December brings much cooler weather, with an average temperature of 9°C (49°F) and highs reaching only 18°C (64°F). Precipitation drops considerably to 31 mm (1.2 in) over just 8 days, while humidity remains relatively stable at 85%. Overall, September feels much hotter and wetter compared to the brisk and drier conditions of December. For more detailed information, you can view Shanghe weather in December.

Compare Shanghe's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Shanghe

As September unfolds in Shanghe, it marks a transition from the intense heat of summer to a more tempered climate, characterized by an average temperature that invites outdoor activities without the sweltering extremes. The month is notably humid, creating a lush atmosphere, and while it does see a fair share of precipitation, this rainfall serves to refresh the landscape rather than hinder it. With the average daily temperatures maintaining a pleasant warmth, September offers a unique blend of summer's warmth and the refreshing hints of autumn. For a deeper understanding of how Shanghe's weather evolves throughout the year, visit Shanghe Climate.