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September Weather in Hongsi, China

Last updated: August 22, 2025

In September, the average temperature in Hongsi, China is a pleasant 21°C (70°F), creating a perfect backdrop for your adventures. Expect temperatures to range from a minimum of 13°C (55°F) to a maximum of 32°C (90°F). With 223 mm (8.8 in) of precipitation spread over 19 days, don’t forget your umbrella! The average humidity during this time sits at a comfortable 71%, adding to the charm of the season.

September Temperature in Hongsi

In September in Hongsi, the average temperature is 21°C (70°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop as low as 13°C (55°F). This pleasant climate makes Hongsi an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Hongsi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hongsi, September typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec384251596672777769595041
Data source: Temperature data for Hongsi 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 Hongsi

In Hongsi in September, the total precipitation amount is 223 mm (8.8 in), which occurs over the course of 19 days.

September Precipitation Trends in Hongsi

The chart displays monthly precipitation patterns in Hongsi, 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 Hongsi, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec75761441402532592171662231429555
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hongsi

In Hongsi in September, humidity is 71%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities feel slightly heavy and requiring regular breaks to stay refreshed while exploring.

September Average Humidity in Hongsi

This chart illustrates the average monthly humidity levels in Hongsi, 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 Hongsi is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%84%82%86%86%88%85%71%74%85%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hongsi

In Hongsi 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 Hongsi.

Maximum UV Index Levels in Hongsi for September

The chart shows the monthly maximum UV Index (UVI) for Hongsi 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 Hongsi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689121212131210975
Data source: Hongsi 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 Hongsi Compares to Other Months

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

This table compares monthly weather conditions in Hongsi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)75 mm (2.9 inches)67%high
February Weather5°C (42°F)76 mm (3.0 inches)73%very high
March Weather11°C (51°F)144 mm (5.7 inches)84%very high
April Weather15°C (59°F)140 mm (5.5 inches)82%extreme
May Weather19°C (66°F)253 mm (10.0 inches)86%extreme
June Weather22°C (72°F)259 mm (10.2 inches)86%extreme
July Weather25°C (77°F)217 mm (8.6 inches)88%extreme
August Weather25°C (77°F)166 mm (6.5 inches)85%extreme
September Weather21°C (70°F)223 mm (8.8 inches)71%very high
October Weather15°C (59°F)142 mm (5.6 inches)74%very high
November Weather10°C (51°F)95 mm (3.7 inches)85%high
December Weather5°C (41°F)55 mm (2.2 inches)75%moderate

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