September Weather in Shenzhen, China

Last updated: August 21, 2025

Experience the vibrant September weather in Shenzhen, China, where temperatures reach a maximum of 36°C (97°F) and settle around a comfortable average of 24°C (76°F), with lows dipping to 15°C (59°F). This month is characterized by significant precipitation, totaling 158 mm (6.2 in) over 15 days, contributing to a humid environment with an average humidity level of 78%. Whether you’re exploring the bustling city or enjoying its lush parks, be prepared for the tropical feel and occasional rain that defines Shenzhen in September.

September Temperature in Shenzhen

In September, Shenzhen experiences a delightful transition as temperatures begin to cool slightly from the sweltering summer months. The minimum temperature settles at a comfortable 15°C (59°F), while the average temperature hovers around 24°C (76°F), making it an inviting time for outdoor activities. With highs reaching up to 36°C (97°F), the warmth still lingers, but a gentle shift towards milder days indicates the onset of autumn. This month marks a wonderful blend of warmth and relief, where the vibrant city showcases its charm under a pleasantly warm sky, making it an ideal time for both locals and visitors to explore its lively streets and cultural treasures.

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

The chart illustrates September temperature patterns in Shenzhen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shenzhen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec434553617075828276665746
Data source: Temperature data for Shenzhen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Shenzhen

September in Shenzhen marks a notable transition in the city's precipitation patterns, as it receives 158 mm (6.2 in) of rainfall over 15 days. This amount signifies a decline from the peak summer months of June and July, which experience torrential downpours of 353 mm (13.9 in) and 321 mm (12.6 in), respectively. The gentle tapering off in September suggests a gradual shift towards drier conditions that precede the cooler, less humid months of autumn. With the summer monsoon starting to wane, residents can expect more sporadic showers, as the city prepares for a return to milder weather and a decrease in overall precipitation.

September Precipitation Trends in Shenzhen

The chart displays monthly precipitation patterns in Shenzhen, 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 Shenzhen, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6572120961903533212261581076863
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shenzhen

In September, Shenzhen experiences a noticeable dip in humidity, dropping to 78% after a peak in the summer months. This decline marks a gentle transition from the oppressive heat of July and August, which boast humidity levels as high as 91% and 88%, respectively. As the sweltering summer draws to a close, the city begins to breathe easier, signaling a shift towards the more temperate fall season. Interestingly, September's humidity is just slightly lower than October's 79%, indicating a gradual stabilization rather than a sharp drop. Overall, this month serves as a refreshing respite from the summer's peak humidity, setting the stage for the cooler, more comfortable months ahead.

September Average Humidity in Shenzhen

This chart illustrates the average monthly humidity levels in Shenzhen, 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 Shenzhen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%80%86%88%89%91%88%79%79%80%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Shenzhen

In September, Shenzhen experiences a UV Index of 11, categorized as extreme, which means sun exposure can result in skin burns within just 10 minutes. This slight decrease from August's maximum UV Index of 12 indicates a minor easing of the sun's intensity as the month progresses. However, the overall trend throughout the summer months showcases persistent high to extreme UV levels, with peak values hit from May to August. As autumn approaches, while the very high readings in October signal the lingering summer warmth, it’s crucial for residents and visitors to remain vigilant about sun protection. For a comprehensive guide on daily UV levels, check out the detailed Shenzhen UV Index.

Maximum UV Index Levels in Shenzhen for September

The chart shows the monthly maximum UV Index (UVI) for Shenzhen 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 Shenzhen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710101212121211865
Data source: Shenzhen 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 Shenzhen

September in Shenzhen continues the city's trend of generous sunshine, boasting 231 hours of bright skies. This marks a slight drop from August's remarkable 301 hours, yet still outshines the earlier months of the year. The sunshine hours steadily increased from January's 139 hours, peaking in the summer months of May and July, both reaching 264 hours. As autumn approaches, the daylight hours begin to taper off, but September's ample sunshine hints at a lingering summer spirit, bridging the vibrant energy of hot, sun-soaked days into the cooler season ahead.

Monthly Sunshine Duration in Shenzhen: September Highlighted

The September sunshine duration represents the total number of hours Shenzhen 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.
JanFebMarAprMayJunJulAugSepOctNovDec139h190h203h247h264h218h264h301h231h216h199h195h
Data source: Shenzhen September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Shenzhen During September

As September rolls around in Shenzhen, the likelihood of enjoying sunny weather increases, with a 35% chance of clear skies. This gradual rise in sunshine is a refreshing change from the summer months, where the chance of sunny days plummets to a mere 9% in July. Notably, September offers a respite from the rainy season, making it one of the more favorable months for outdoor activities. Following September, the chance of sun slightly dips again, reflecting the onset of autumn, but residents and visitors can still enjoy a decent number of bright days before winter sets in. With the weather transitioning, September is certainly a time to savor more sunlight as it heralds cooler days ahead.

Percentage of Sunny Days in September in Shenzhen

The chart illustrates the percentage of sunny days in Shenzhen 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 Shenzhen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%32%23%31%22%14%9%22%35%30%44%58%
Data source: Shenzhen September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Shenzhen in September

In Shenzhen, China, the daylight duration undergoes a fascinating transformation throughout the year. September enjoys a generous 12 hours of sunlight, reflecting a gradual transition from the vibrant summer months where daylight peaks at 13 hours in June through August. As fall approaches, the days start to shorten, creating a soft shift towards the cozy ambiance of autumn. This descent into shorter days continues into October, when daylight decreases to 11 hours, eventually settling at 10 hours by November and December. Overall, Shenzhen's daylight patterns showcase a rhythm that ebbs and flows with the seasons, inviting residents and visitors alike to relish the warm sun while it lasts.

Average Daylight Hours in Shenzhen for September

The chart illustrates the variation in daylight duration in Shenzhen throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 28m11h 7m11h 59m12h 52m13h 37m13h 59m13h 48m13h 9m12h 18m11h 25m10h 39m10h 16m
Data source: Shenzhen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Shenzhen

As September arrives in Shenzhen, China, the average wind speed remains a gentle 2.1 m/s (5 mph), mirroring the calmness that characterizes much of the summer months. Following a slightly breezier July, which saw winds peak at 2.9 m/s (7 mph), September brings a return to the steadiness experienced in earlier months. The consistent wind patterns offer a refreshing break from the heat, making it an ideal time for outdoor activities. As we transition into autumn, the wind speeds remain relatively stable, dipping slightly in June before trending back up again in October. This stability not only impacts the local climate, but also enhances the enjoyment of Shenzhen’s vibrant outdoor spaces.

Average September Wind Speed in Shenzhen

The chart displays monthly wind speed patterns in Shenzhen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.32.12.12.12.11.72.92.02.1 m/s2.22.22.0
Data source: Shenzhen September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Shenzhen Compares to Other Months

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

September and January present stark contrasts in weather conditions. September features a warm climate with temperatures ranging from a minimum of 15°C (59°F) to a scorching maximum of 36°C (97°F), along with higher humidity levels at 78%. It also experiences significant rainfall, with 158 mm (6.2 in) of precipitation spread over 15 days. In contrast, January is much cooler, with temperatures dipping to a minimum of -7°C (20°F) and averaging around 6°C (43°F). The month sees lower rainfall at 65 mm (2.5 in), spread over just 8 days, and a humidity level of 68%. For more details on January weather, you can check Shenzhen weather in January.

In comparing the weather of September and February, a stark contrast emerges. September experiences warmer temperatures ranging from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 24°C (76°F). This month also sees significant rainfall, accumulating 158 mm (6.2 in) over about 15 days, accompanied by high humidity at 78%. In contrast, February offers a cooler climate, with temperatures dipping as low as -5°C (24°F) and peaking at 27°C (82°F), averaging around 7°C (45°F). The precipitation in February is notably less, totaling 71 mm (2.8 in) over 11 days, with a slightly lower humidity of 73%. For a closer look at February's weather specifics, you can check out Shenzhen weather in February.

In September, the weather tends to be quite warm, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), and an average temperature of 24°C (76°F). The month also experiences significant rainfall, with 158 mm (6.2 in) of precipitation over 15 days and humidity levels at 78%.

In contrast, March brings cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 30°C (86°F), averaging 12°C (54°F). Although it sees slightly less precipitation at 120 mm (4.7 in) across the same number of rainy days, the humidity remains high at 80%.

For a deeper dive into the conditions of March, you can check Shenzhen weather in March.

September and April exhibit contrasting weather patterns, reflecting the transitional phases of the year. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 36°C (97°F), with an average of 24°C (76°F). The month also experiences higher precipitation, totaling 158 mm (6.2 in) over 15 days, and a humidity level of 78%. In contrast, April sees cooler temperatures, with a minimum of 3°C (38°F) and a maximum reaching 33°C (92°F). The average temperature in April is 16°C (62°F), and the month has less rainfall, amounting to 96 mm (3.8 in) over 12 days, accompanied by slightly higher humidity at 86%. For more detailed information, check out Shenzhen weather in April.

In September, the weather typically sees a minimum temperature of 15°C (59°F) and an average of 24°C (76°F), peaking at 36°C (97°F). This month experiences considerable rainfall, with 158 mm (6.2 in) of precipitation spread over 15 days, accompanied by a humidity level of 78%. Conversely, May showcases slightly cooler conditions with minimum temperatures around 10°C (50°F), an average of 21°C (70°F), and a maximum reaching 37°C (100°F). Rainfall is a bit higher, totaling 190 mm (7.5 in) over 14 days, and humidity is notably elevated at 88%. For more detailed insights into May weather, you can visit Shenzhen weather in May.

When comparing the weather in September and June, we see some notable similarities and differences. Both months feature an average temperature of around 24°C (75°F), but June tends to be slightly warmer, reaching a maximum of 37°C (99°F) compared to September's 36°C (97°F). Humidity is higher in June at 89%, which contributes to a more muggy feel, while September's humidity is lower at 78%. Additionally, June experiences significantly more rainfall, with 353 mm (13.9 in) compared to September's 158 mm (6.2 in), and it rains on 21 days in June versus 15 days in September. For more detailed information, you can check Shenzhen weather in June.

In comparing the weather between September and July, September typically experiences a broader range of temperatures, with a minimum of 15°C (59°F) and a maximum of 36°C (97°F), resulting in an average temperature of 24°C (76°F). In contrast, July is warmer overall, starting at a minimum of 20°C (69°F) and peaking at 39°C (102°F), with an average temperature of 28°C (82°F). Additionally, September has lower precipitation at 158 mm (6.2 in) over 15 days, while July is significantly wetter, receiving 321 mm (12.6 in) across 20 days. The humidity also differs, with September averaging 78% compared to July's higher 91%. For a more detailed look at July weather, you can check Shenzhen weather in July.

In comparing the weather of September to August, September generally experiences lower temperatures, with minimums averaging around 15°C (59°F) compared to August's warmer minimum of 20°C (68°F). The average temperature in September is 24°C (76°F), which is noticeably cooler than August's average of 28°C (83°F). However, September still sees a peak temperature close to August's maximum, reaching 36°C (97°F) versus August's 37°C (98°F).

Precipitation levels are also reduced in September, with 158 mm (6.2 in) of rain over 15 days, compared to August's 226 mm (8.9 in) spread over 20 days. Furthermore, September tends to be less humid at 78% compared to the higher humidity of 88% experienced in August. For a more detailed look at August weather patterns, visit Shenzhen weather in August.

In September, the weather is characterized by higher temperatures, with a minimum of 15°C (59°F) and an average of 24°C (76°F), peaking at a hot 36°C (97°F). The month also sees significant rainfall, with 158 mm (6.2 in) of precipitation recorded over 15 days, and humidity levels around 78%. In contrast, October experiences cooler temperatures, with a minimum of 8°C (46°F) and an average of 19°C (66°F), reaching a maximum of 33°C (91°F). Rainfall decreases to 107 mm (4.2 in) over just 10 days, while humidity remains relatively stable at 79%. For more detailed information about the weather in October, you can refer to Shenzhen weather in October.

September and November present a striking contrast in weather patterns. September is characterized by warm temperatures, with a minimum of 15°C (59°F) and an average high of 36°C (97°F), accompanied by considerable humidity at 78%. There is also significant precipitation, totaling 158 mm (6.2 in) over 15 days. In contrast, November brings much cooler conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 29°C (85°F) and a much lower average of 14°C (57°F). This month experiences only 68 mm (2.7 in) of precipitation spread over 10 days, while humidity slightly increases to 80%. For more detailed information, check out Shenzhen weather in November.

In September, the weather is characterized by warm temperatures, with a minimum of 15°C (59°F) and an average of 24°C (76°F), peaking at 36°C (97°F). The month sees considerable rainfall, with a total of 158 mm (6.2 in) distributed over 15 days, accompanied by high humidity at 78%. In contrast, December experiences much cooler temperatures, dropping down to a minimum of -5°C (23°F) and averaging around 8°C (46°F), with a maximum of 22°C (73°F). Precipitation is significantly lower at 63 mm (2.5 in) over 9 days, while humidity remains fairly high at 80%. For more details, you can check Shenzhen weather in December.

Compare Shenzhen's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Shenzhen

As September unfolds in Shenzhen, the weather presents a transitional phase, marking a notable shift from the peak summer heat. With average temperatures settling around a comfortable 24°C (76°F), this month offers a pleasant respite from the sweltering highs that often exceed 36°C (97°F) in summer. However, September also brings increased humidity and a fair amount of precipitation, with about 15 days of rain contributing to a total of 158 mm (6.2 in). This blend of warmth and wetness distinguishes September's weather from the scorching summer months, making it a unique time to experience the vibrant city. For more details on what to expect throughout the year, check out Shenzhen Climate.