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September Weather in Hongwei, China

Last updated: August 22, 2025

In Hongwei, China, the average temperature in September hovers around 9°C (49°F). Expect a temperature range where the minimum dips to -6°C (21°F), while the maximum can soar to 27°C (81°F). Rainfall is common, with about 95 mm (3.7 in) of precipitation spread over 10 days. With an average humidity of 86%, it's safe to say you'll feel the moisture in the air!

September Temperature in Hongwei

In September in Hongwei, the average temperature is 9°C (49°F). The maximum can reach 27°C (81°F), and the minimum can be as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures, making layering clothing essential for comfort during their visit.

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

The chart illustrates September temperature patterns in Hongwei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongwei, September typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec-12-414344859665948318-11
Data source: Temperature data for Hongwei 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 Hongwei

In Hongwei in September, the total precipitation amount is 95 mm (3.7 in) over the course of 10 days.

September Precipitation Trends in Hongwei

The chart displays monthly precipitation patterns in Hongwei, 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 Hongwei, September typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec56171881931131249537156
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hongwei

In Hongwei in September, humidity is 86%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making travel uncomfortable as the moisture clings to your skin and thickens the atmosphere, creating a sense of heaviness that can tire you quickly.

September Average Humidity in Hongwei

This chart illustrates the average monthly humidity levels in Hongwei, 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 Hongwei is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%87%78%73%77%83%86%86%86%85%87%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hongwei

In Hongwei in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Hongwei.

Maximum UV Index Levels in Hongwei for September

The chart shows the monthly maximum UV Index (UVI) for Hongwei 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 Hongwei typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Hongwei 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 Hongwei Compares to Other Months

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

This table compares monthly weather conditions in Hongwei, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-24°C (-11°F)5 mm (0.2 inches)93%low
February Weather-20°C (-4°F)6 mm (0.2 inches)87%low
March Weather-10°C (14°F)17 mm (0.7 inches)78%moderate
April Weather1°C (34°F)18 mm (0.7 inches)73%moderate
May Weather9°C (48°F)81 mm (3.2 inches)77%high
June Weather15°C (59°F)93 mm (3.7 inches)82%very high
July Weather19°C (66°F)113 mm (4.4 inches)86%very high
August Weather15°C (60°F)124 mm (4.9 inches)86%high
September Weather9°C (49°F)95 mm (3.7 inches)86%moderate
October Weather0°C (32°F)37 mm (1.4 inches)85%moderate
November Weather-13°C (9°F)15 mm (0.6 inches)86%low
December Weather-24°C (-10°F)6 mm (0.2 inches)92%low

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