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September Weather in Hongwansi, China

Last updated: August 22, 2025

In September, the average temperature in Hongwansi, China hovers around 4°C (39°F). Expect chilly days, with minimums plummeting to -13°C (8°F) and maximums reaching a mild 16°C (61°F). This month also brings 106 mm (4.2 in) of precipitation spread over 18 days, resulting in an average humidity of 62%. Prepare for a mix of cold and wet conditions!

September Temperature in Hongwansi

In September in Hongwansi, the average temperature is 4°C (39°F), with maximums reaching up to 16°C (61°F) and minimums dropping as low as -13°C (8°F). Travelers should be prepared for chilly weather and pack accordingly to enjoy their stay in Hongwansi.

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

The chart illustrates September temperature patterns in Hongwansi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongwansi, September typically has an average temperature of 4°C (39°F), with highs reaching up to 16°C (61°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec-141725334248463923101
Data source: Temperature data for Hongwansi 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 Hongwansi

In Hongwansi in September, the precipitation amount is 106 mm (4.2 in), occurring over 18 days.

September Precipitation Trends in Hongwansi

The chart displays monthly precipitation patterns in Hongwansi, 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 Hongwansi, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec71119517813313615210633105
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hongwansi

In Hongwansi in September humidity is 62%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making travel brisk and invigorating but also a bit uncomfortable without the right layers.

September Average Humidity in Hongwansi

This chart illustrates the average monthly humidity levels in Hongwansi, 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 Hongwansi is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%66%66%65%56%56%55%62%62%68%64%65%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hongwansi

In Hongwansi in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Hongwansi.

Maximum UV Index Levels in Hongwansi for September

The chart shows the monthly maximum UV Index (UVI) for Hongwansi 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 Hongwansi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3610111414131210863
Data source: Hongwansi 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 Hongwansi Compares to Other Months

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

This table compares monthly weather conditions in Hongwansi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-18°C (0°F)7 mm (0.3 inches)64%moderate
February Weather-16°C (4°F)11 mm (0.4 inches)66%high
March Weather-8°C (17°F)19 mm (0.7 inches)66%very high
April Weather-4°C (25°F)51 mm (2.0 inches)65%extreme
May Weather1°C (33°F)78 mm (3.1 inches)55%extreme
June Weather6°C (43°F)133 mm (5.2 inches)56%extreme
July Weather9°C (48°F)136 mm (5.3 inches)55%extreme
August Weather8°C (47°F)152 mm (6.0 inches)62%extreme
September Weather4°C (39°F)106 mm (4.2 inches)62%very high
October Weather-5°C (23°F)33 mm (1.3 inches)67%very high
November Weather-12°C (10°F)10 mm (0.4 inches)64%high
December Weather-17°C (1°F)5 mm (0.2 inches)65%moderate

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