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September Weather in Hongyansi, China

Last updated: August 23, 2025

In Hongyansi, China, the average temperature for September hovers around 20°C (69°F), with a minimum of 12°C (53°F) and a pleasant maximum of 30°C (87°F). Expect about 144 mm (5.7 in) of precipitation over 16 days, and a relatively high average humidity of 77%. Prepare for a month of mixed weather and refreshing warmth!

September Temperature in Hongyansi

In September in Hongyansi, the average temperature is 20°C (69°F). Maximums can reach 30°C (87°F) and minimums can be as low as 12°C (53°F). This mild climate makes it an ideal time to explore the outdoor attractions and enjoy various activities.

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

The chart illustrates September temperature patterns in Hongyansi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongyansi, September typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (87°F) and lows dropping to around 12°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec384150576571757568585040
Data source: Temperature data for Hongyansi 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 Hongyansi

In Hongyansi in September, the total precipitation amount is 144 mm (5.7 in), which occurs over a span of 16 days.

September Precipitation Trends in Hongyansi

The chart displays monthly precipitation patterns in Hongyansi, 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 Hongyansi, September typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec5658911081532102031441441126643
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hongyansi

In Hongyansi in September, humidity is 77%. With an average temperature of 20°C (69°F), this humidity feels like a sultry embrace, making travel comfortable yet slightly sticky, as the moist air clings to your skin with every step you take.

September Average Humidity in Hongyansi

This chart illustrates the average monthly humidity levels in Hongyansi, 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 Hongyansi is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%87%82%83%84%87%85%77%81%86%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hongyansi

In Hongyansi 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 Hongyansi.

Maximum UV Index Levels in Hongyansi for September

The chart shows the monthly maximum UV Index (UVI) for Hongyansi 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 Hongyansi typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679111212131212975
Data source: Hongyansi 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 Hongyansi Compares to Other Months

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

This table compares monthly weather conditions in Hongyansi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)56 mm (2.2 inches)72%high
February Weather5°C (41°F)58 mm (2.3 inches)76%high
March Weather10°C (50°F)91 mm (3.6 inches)87%very high
April Weather14°C (58°F)108 mm (4.2 inches)82%extreme
May Weather18°C (65°F)152 mm (6.0 inches)83%extreme
June Weather22°C (71°F)210 mm (8.3 inches)84%extreme
July Weather24°C (75°F)203 mm (8.0 inches)87%extreme
August Weather24°C (76°F)144 mm (5.7 inches)85%extreme
September Weather20°C (69°F)144 mm (5.7 inches)77%extreme
October Weather14°C (58°F)112 mm (4.4 inches)81%very high
November Weather10°C (50°F)66 mm (2.6 inches)86%high
December Weather5°C (40°F)43 mm (1.7 inches)81%moderate

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