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September Weather in Hongdun, China

Last updated: August 22, 2025

In Hongdun, China, the average temperature in September hovers around 12°C (54°F). During this month, you can expect temperatures to dip as low as -5°C (23°F) and rise to a pleasant 28°C (82°F). Rainfall isn’t heavy, with an average precipitation of 28 mm (1.1 in) spread over just 5 days. Additionally, the average humidity sits comfortably at 51%, making for a refreshing atmosphere.

September Temperature in Hongdun

In September in Hongdun, the average temperature is 12°C (54°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -5°C (23°F). Travelers should pack for a mix of mild days and chilly nights, ensuring they are prepared for varying weather conditions.

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

The chart illustrates September temperature patterns in Hongdun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongdun, September typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (82°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec292544566568665438195
Data source: Temperature data for Hongdun 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 Hongdun

In Hongdun in September, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

September Precipitation Trends in Hongdun

The chart displays monthly precipitation patterns in Hongdun, 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 Hongdun, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec81421212925292828264012
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hongdun

In Hongdun in September, humidity is 51%. With an average temperature of 12°C (54°F), this humidity feels like a refreshing coolness that invigorates your senses, making it ideal for exploring the local sights without feeling overheated.

September Average Humidity in Hongdun

This chart illustrates the average monthly humidity levels in Hongdun, 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 Hongdun is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%77%62%44%37%40%46%51%65%76%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hongdun

In Hongdun in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Hongdun, you can refer to this Hourly UV Index in Hongdun.

Maximum UV Index Levels in Hongdun for September

The chart shows the monthly maximum UV Index (UVI) for Hongdun 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 Hongdun typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236799986422
Data source: Hongdun 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 Hongdun Compares to Other Months

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

This table compares monthly weather conditions in Hongdun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (2°F)7 mm (0.3 inches)89%low
February Weather-13°C (9°F)14 mm (0.5 inches)86%moderate
March Weather-4°C (25°F)20 mm (0.8 inches)77%high
April Weather7°C (45°F)20 mm (0.8 inches)62%high
May Weather13°C (56°F)29 mm (1.2 inches)44%very high
June Weather18°C (65°F)25 mm (1.0 inches)37%very high
July Weather20°C (69°F)29 mm (1.1 inches)40%very high
August Weather19°C (66°F)28 mm (1.1 inches)46%very high
September Weather12°C (54°F)28 mm (1.1 inches)51%high
October Weather3°C (38°F)26 mm (1.0 inches)65%moderate
November Weather-7°C (19°F)40 mm (1.6 inches)76%low
December Weather-15°C (5°F)12 mm (0.5 inches)87%low

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