September Weather in Zhengzhou, China

Last updated: August 21, 2025

September in Zhengzhou, China brings a dynamic blend of warmth and occasional rainfall, characterized by a maximum temperature reaching up to 36°C (96°F) and an average of 23°C (74°F). Visitors can expect balmy days, with nighttime lows around 14°C (57°F), perfect for evening strolls. The month sees 9 days of precipitation, totaling approximately 115 mm (4.5 in), contributing to a humidity level of around 65%. This combination of temperature and moisture creates a vibrant atmosphere as the city transitions into autumn, making September an engaging time to experience Zhengzhou's cultural and natural beauty.

September Temperature in Zhengzhou

In Zhengzhou, China, September marks a transition into milder weather as summer dwindles. The month features average temperatures around 23°C (74°F), with nighttime lows settling at a comfortable 14°C (57°F). Daytime highs can reach up to 36°C (96°F), showcasing the lingering warmth of summer. This temperature trend reflects a gradual decline from the peak summer months of July and August, when extreme highs of 40°C (104°F) were commonplace. As September progresses, residents can enjoy the pleasant warmth during the day while embracing cooler evenings that hint at the impending autumn, making it an ideal time for outdoor activities and exploring the city's vibrant culture.

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

The chart illustrates September temperature patterns in Zhengzhou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zhengzhou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec354153637482848174615239
Data source: Temperature data for Zhengzhou 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 Zhengzhou

In September, Zhengzhou experiences a notable shift in precipitation patterns, receiving 115 mm (4.5 in) of rain over approximately 9 days. This marks a decrease from the intense rainfall of August, which recorded a staggering 225 mm (8.9 in) over 13 days. September's rain can be seen as a transitionary period, indicative of the city's move from the peak of summer storms to the milder conditions of autumn. This drop not only helps to ease the humidity but also resets the landscape, paving the way for the cooler months ahead. While precipitation levels remain significant, they signal a gradual shift towards stability, reminding residents of the cyclical nature of the seasons.

September Precipitation Trends in Zhengzhou

The chart displays monthly precipitation patterns in Zhengzhou, 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 Zhengzhou, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec15202135378313522511544167
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zhengzhou

In Zhengzhou, China, September marks a notable shift in humidity, with levels dropping to 65% after the sweltering summer months. This decrease follows a peak in July, where humidity soared to an impressive 82%, typical of the region's humid summer climate. As the city transitions into autumn, the air becomes noticeably drier, making September a breath of fresh air compared to the preceding months. However, this dip doesn’t last long, as October sees humidity rise again to 73%, reflecting the cyclical nature of weather in Zhengzhou. Such trends indicate a gradual easing of summer's grip, creating a comfortable environment for residents and visitors alike.

September Average Humidity in Zhengzhou

This chart illustrates the average monthly humidity levels in Zhengzhou, 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 Zhengzhou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec55%63%71%76%70%72%82%78%65%73%77%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Zhengzhou

As September unfolds in Zhengzhou, China, the UV Index remains elevated at 8, indicating a very high level of exposure, necessitating caution during outdoor activities with a burn time of only 15 minutes. This month slightly dips from the peak summer readings, where the index consistently hit 10, yet it still calls for vigilance against potential skin damage. The trend shows a strong seasonal pattern, with UV levels beginning to decrease as autumn approaches, yet they remain significantly higher than the milder winter months of January and December, which see indexes around 3. For those planning to enjoy the lingering warmth of early fall, it's essential to stay protected under the sun. For more details, you can check the full Zhengzhou UV Index.

Maximum UV Index Levels in Zhengzhou for September

The chart shows the monthly maximum UV Index (UVI) for Zhengzhou 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 Zhengzhou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357891010108843
Data source: Zhengzhou 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 Zhengzhou

As summer gently fades into autumn, September in Zhengzhou, China, still basks in a commendable 244 hours of sunshine. This marks a noticeable decline from the peak of 319 hours in July, yet the month remains bright and welcoming, playing host to vibrant early autumn days. Following a trend seen throughout the warmer months, September shines more brightly than the winter months ahead, with sunshine hours gradually decreasing as the year progresses. Its sunny disposition, although less radiant than mid-summer, sets a charming scene for locals and visitors alike, making it a perfect time to explore the city's rich culture and picturesque landscapes.

Monthly Sunshine Duration in Zhengzhou: September Highlighted

The September sunshine duration represents the total number of hours Zhengzhou 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.
JanFebMarAprMayJunJulAugSepOctNovDec184h246h278h271h306h300h319h305h244h220h233h237h
Data source: Zhengzhou September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zhengzhou During September

In Zhengzhou, China, the likelihood of sunny weather sees a subtle rise in September, pegged at 47%, marking a shift from the summer months that hover around 40%. This increase hints at the gradual transition into autumn, where clearer skies become more frequent. Interestingly, September's sunshine potential is notably higher than the preceding months, such as June, July, and August, which all fall below this threshold. However, it trails behind the crisp, clear days of winter, particularly in November and December, which boast impressive chances of sunshine at 65% and 70%, respectively. As September unfolds, it offers a pleasant balance of warmth and sunshine for those enjoying the lingering summer vibes before autumn settles in.

Percentage of Sunny Days in September in Zhengzhou

The chart illustrates the percentage of sunny days in Zhengzhou 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 Zhengzhou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%53%34%37%44%39%40%41%47%36%65%70%
Data source: Zhengzhou September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zhengzhou in September

In Zhengzhou, China, the month of September brings a transition in daylight duration as summer gradually gives way to autumn, offering around 12 hours of daylight. This slight decrease from the peak of 14 hours in June and July reflects a broader trend of diminishing sunlight as the year progresses. Notably, the city enjoys substantial daylight during the spring and summer months, particularly in April and May, where days can stretch to 13 hours. As September unfolds, the day length begins to wane, signaling the upcoming shorter days of fall, with October further reducing daylight to 11 hours. This rhythmic pattern of daylight not only enhances the beauty of the changing seasons but also influences the lifestyle and activities of the residents throughout the year.

Average Daylight Hours in Zhengzhou for September

The chart illustrates the variation in daylight duration in Zhengzhou throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 6m10h 55m11h 58m13h 3m13h 58m14h 25m14h 11m13h 24m12h 21m11h 16m10h 20m9h 51m
Data source: Zhengzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Zhengzhou

In September, the winds of Zhengzhou begin to transition, with an average speed of 2.7 m/s (6 mph), marking a slight uptick from the gentle breezes of late summer. This shift is consistent with the typical pattern observed throughout the year — January to August often feature lower wind speeds, with a gradual increase peaking in November at 3.4 m/s (8 mph). While September's winds remain relatively mild, echoing the lighter gusts of July and August, they hint at the seasonal change ahead. As the winds pick up in autumn, residents can expect a refreshing break from the heat, encouraging outdoor activities and the appreciation of Zhengzhou's vibrant landscape as the season unfolds.

Average September Wind Speed in Zhengzhou

The chart displays monthly wind speed patterns in Zhengzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.22.93.23.32.72.82.32.7 m/s2.73.43.0
Data source: Zhengzhou September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Zhengzhou Compares to Other Months

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

September and January present strikingly different weather patterns. In September, temperatures range from a mild 14°C (57°F) at night to a scorching high of 36°C (96°F) during the day, accompanied by significant precipitation averaging 115 mm (4.5 in) over about 9 days, and a humidity level of 65%. In contrast, January sees much colder conditions, with temperatures plummeting to a minimum of -12°C (10°F) and only reaching a maximum of 17°C (63°F). Precipitation is light in January, averaging just 15 mm (0.6 in) over 3 days and with humidity at a lower 55%. For more detailed information on January weather, you can visit Zhengzhou weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 14°C (57°F) at night to a warm maximum of 36°C (96°F) during the day, with an average of 23°C (74°F). The month also sees significant rainfall, totaling 115 mm (4.5 in) over approximately 9 days, coupled with a humidity level of 65%. In contrast, February experiences much cooler temperatures, with lows dropping to -8°C (18°F) and an average of only 5°C (42°F), peaking at a comfortable 28°C (83°F). Precipitation is sparse in February, with just 20 mm (0.8 in) over about 3 days and slightly lower humidity at 63%. For a closer look at February's weather specifics, refer to Zhengzhou weather in February.

In September, weather conditions are typically warm, with temperatures ranging from a minimum of 14°C (57°F) to a maximum of 36°C (96°F), alongside an average temperature of 23°C (74°F). This month experiences significant rainfall, with 115 mm (4.5 in) of precipitation over about 9 days, and humidity levels averaging 65%. In contrast, March brings much cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 31°C (88°F), leading to an average of 12°C (54°F). The precipitation in March is relatively low, totaling only 21 mm (0.8 in) across 5 days, but humidity is slightly higher at 71%. For more detailed weather information, you can check Zhengzhou weather in March.

In comparing the weather between September and April, September tends to be significantly warmer, with average temperatures reaching 23°C (74°F) and maximums peaking at 36°C (96°F). In contrast, April's temperatures are cooler, averaging 17°C (63°F) with highs of 34°C (93°F). Additionally, September experiences more rainfall, with a total of 115 mm (4.5 in) over 9 days, while April sees much less precipitation at 35 mm (1.4 in) across 6 days. Humidity levels are also slightly higher in April at 76%, compared to September's 65%. For more detailed insights, you can refer to Zhengzhou weather in April.

When comparing the weather in September and May, both months showcase a similar average temperature of 23°C (74°F), but they differ significantly in their extremes and precipitation levels. September experiences a wider temperature range, with minimums reaching 14°C (57°F) and maximums going up to 36°C (96°F). In contrast, May can see temperatures soar even higher, peaking at 40°C (104°F) despite a lower minimum of 9°C (48°F). Rainfall is another contrasting factor; September has 115 mm (4.5 in) of precipitation over about 9 days, making it considerably wetter than May, which sees only 37 mm (1.4 in) over 5 days. Additionally, May's humidity is marginally higher at 70% compared to September's 65%. For more details on the weather specifics in May, visit Zhengzhou weather in May.

In comparing the weather between September and June, we notice distinct variations in temperature and humidity. September experiences a range of temperatures from a minimum of 14°C (57°F) to a maximum of 36°C (96°F), with an average of 23°C (74°F) and a notable humidity level of 65%. In contrast, June tends to be warmer with temperatures ranging from a minimum of 15°C (59°F) to a peak of 40°C (104°F), showcasing a higher average of 28°C (82°F) and increased humidity at 72%. Additionally, June receives less rainfall, averaging 83 mm (3.3 in) over just 6 days, compared to September's 115 mm (4.5 in) across 9 days. For more specific information about June's weather, you can check Zhengzhou weather in June.

In comparing the weather conditions of September and July, September tends to be milder, with average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 36°C (96°F), while July experiences higher averages, ranging from a minimum of 19°C (67°F) to a sweltering maximum of 40°C (105°F). Additionally, September sees average precipitation of 115 mm (4.5 in) over approximately 9 days, in contrast to July's heavier precipitation of 135 mm (5.3 in) spread over 12 days. Humidity levels also differ notably, with September exhibiting a more comfortable 65%, compared to July's higher humidity at 82%. For more detailed information on July’s weather specifics, check out Zhengzhou weather in July.

In comparison to August, September experiences a noticeable decrease in average temperature, dropping from 27°C (81°F) to 23°C (74°F). While September has a lower maximum temperature of 36°C (96°F) compared to August's peak of 37°C (99°F), it also sees a decline in humidity levels, falling from 78% to 65%. Precipitation is significantly reduced as well, with September receiving 115 mm (4.5 in) over 9 days, in contrast to August's 225 mm (8.9 in) over 13 days. For more detailed insights on weather conditions, you can check Zhengzhou weather in August.

September and October present a significant contrast in weather patterns. September experiences warmer temperatures, with averages around 23°C (74°F) and highs reaching up to 36°C (96°F), while October cools down considerably, with an average of 16°C (61°F) and a maximum of 32°C (89°F). Additionally, September sees more rainfall, accumulating 115 mm (4.5 in) over 9 days, compared to October's lighter precipitation of 44 mm (1.7 in) over just 6 days. The humidity also rises slightly in October, reaching 73%, compared to 65% in September. For more detailed insights, you can check Zhengzhou weather in October.

In September, the weather is typically warmer with average temperatures around 23°C (74°F), peaking at a scorching 36°C (96°F). This month also experiences more significant rainfall, totaling 115 mm (4.5 in) over about 9 days, alongside a moderate humidity level of 65%. In contrast, November brings a notable drop in temperature, with averages settling at around 11°C (52°F) and highs reaching only 26°C (79°F). Additionally, November is characterized by minimal precipitation, with just 16 mm (0.6 in) occurring over 3 days, and a higher humidity of 77%. For a detailed look at weather patterns in November, you can visit Zhengzhou weather in November.

September and December present stark contrasts in weather conditions. In September, temperatures range from a minimum of 14°C (57°F) to a scorching maximum of 36°C (96°F), with an average of 23°C (74°F). The month experiences relatively heavy rainfall, totaling 115 mm (4.5 in) over 9 days, and humidity levels hover around 65%. In comparison, December brings a significant drop in temperatures, with a minimum of -8°C (18°F) and a maximum of 17°C (63°F), leading to a much chillier average of 4°C (39°F). Precipitation is minimal at just 7 mm (0.3 in) over 2 days, while humidity slightly increases to 70%. For a detailed look at December weather conditions, you can check Zhengzhou weather in December.

Compare Zhengzhou's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Zhengzhou

As September rolls in, Zhengzhou experiences a notable shift in weather, transitioning from the intense heat of summer to more moderate and pleasant conditions. Average temperatures hover around a comfortable 23°C, offering a respite from the sweltering highs of previous months. Rainfall peaks, with an increase in precipitation days, signaling the onset of the wet season, which can elevate humidity levels to around 65%. This balance of warmth and moisture creates a refreshing atmosphere, making it a time of transition and rejuvenation. For more detailed insights into the climate patterns throughout the year, check out Zhengzhou Climate.