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September Weather in Chengjiao, China

Last updated: August 22, 2025

In September, the average temperature in Chengjiao, China hovers around 15°C (59°F). Expect a minimum plunge to 7°C (45°F), while the mercury can rise up to a pleasant 24°C (76°F). However, be prepared for 142 mm (5.6 in) of precipitation spread over 18 days, contributing to a notably high average humidity of 91%.

September Temperature in Chengjiao

In September in Chengjiao, the average temperature is 15°C (59°F). The maximum can reach 24°C (76°F) and the minimum can drop to as low as 7°C (45°F). It's a great time to explore Chengjiao, as the mild weather is perfect for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Chengjiao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengjiao, September typically has an average temperature of 15°C (59°F), with highs reaching up to 24°C (76°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec242942505763676659483827
Data source: Temperature data for Chengjiao 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 Chengjiao

In Chengjiao in September, the precipitation amount is 142 mm (5.6 in) spread over 18 days.

September Precipitation Trends in Chengjiao

The chart displays monthly precipitation patterns in Chengjiao, 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 Chengjiao, September typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec192846771031321661731421143420
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chengjiao

In Chengjiao in September humidity is 91%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making it difficult to enjoy outdoor activities and fostering a sense of lethargy that lingers throughout the day.

September Average Humidity in Chengjiao

This chart illustrates the average monthly humidity levels in Chengjiao, 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 Chengjiao is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%86%85%84%87%88%91%91%91%90%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chengjiao

In Chengjiao in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Chengjiao.

Maximum UV Index Levels in Chengjiao for September

The chart shows the monthly maximum UV Index (UVI) for Chengjiao 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 Chengjiao typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589131313131212964
Data source: Chengjiao 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.

How September Weather in Chengjiao Compares to Other Months

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

This table compares monthly weather conditions in Chengjiao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)19 mm (0.7 inches)87%moderate
February Weather-2°C (29°F)28 mm (1.1 inches)90%very high
March Weather6°C (42°F)46 mm (1.8 inches)86%very high
April Weather10°C (50°F)77 mm (3.0 inches)84%extreme
May Weather14°C (57°F)103 mm (4.1 inches)84%extreme
June Weather17°C (63°F)132 mm (5.2 inches)87%extreme
July Weather20°C (68°F)166 mm (6.5 inches)88%extreme
August Weather19°C (67°F)173 mm (6.8 inches)91%extreme
September Weather15°C (59°F)142 mm (5.6 inches)91%extreme
October Weather9°C (49°F)113 mm (4.5 inches)91%very high
November Weather3°C (38°F)34 mm (1.3 inches)90%high
December Weather-3°C (27°F)20 mm (0.8 inches)87%moderate

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