September Weather in Nancun, China

Last updated: August 22, 2025

In Nancun, China, the average temperature in September is a pleasant 25°C (78°F). Expect a minimum of 15°C (59°F) and a sweltering maximum of 36°C (97°F). During this month, you can anticipate around 110 mm (4.4 in) of precipitation spread over 13 days, contributing to an average humidity level of 62%.

September Temperature in Nancun

In September in Nancun, the average temperature is 25°C (78°F). Maximums can reach 36°C (97°F) and minimums can be as low as 15°C (59°F). This makes it a great time for travelers to enjoy warm days while still experiencing pleasant cooler evenings.

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

The chart illustrates September temperature patterns in Nancun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nancun, September typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (97°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec454857657379848378675847
Data source: Temperature data for Nancun 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 Nancun

In Nancun in September, the precipitation amount is 110 mm (4.4 in) spread over 13 days.

September Precipitation Trends in Nancun

The chart displays monthly precipitation patterns in Nancun, 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 Nancun, September typically receives around 110 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4784191184278373212152111427035
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nancun

In Nancun in September, humidity is 62%. With an average temperature of 25°C (78°F), this humidity feels like a warm, balmy embrace, making travel enjoyable yet slightly sticky.

September Average Humidity in Nancun

This chart illustrates the average monthly humidity levels in Nancun, 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 Nancun is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%69%79%81%86%83%90%84%62%64%72%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nancun

In Nancun in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Nancun.

Maximum UV Index Levels in Nancun for September

The chart shows the monthly maximum UV Index (UVI) for Nancun 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 Nancun typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212131311986
Data source: Nancun 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 Nancun Compares to Other Months

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

This table compares monthly weather conditions in Nancun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)47 mm (1.9 inches)64%high
February Weather9°C (48°F)84 mm (3.3 inches)69%very high
March Weather14°C (58°F)191 mm (7.5 inches)79%very high
April Weather18°C (65°F)184 mm (7.2 inches)81%extreme
May Weather23°C (73°F)278 mm (10.9 inches)86%extreme
June Weather26°C (79°F)373 mm (14.7 inches)83%extreme
July Weather29°C (84°F)212 mm (8.3 inches)89%extreme
August Weather28°C (83°F)152 mm (6.0 inches)84%extreme
September Weather25°C (78°F)110 mm (4.4 inches)62%extreme
October Weather19°C (67°F)42 mm (1.6 inches)64%very high
November Weather14°C (58°F)70 mm (2.8 inches)72%very high
December Weather8°C (47°F)35 mm (1.4 inches)76%high

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