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September Weather in Yanyang, China

Last updated: August 22, 2025

In September, the average temperature in Yanyang, China is a pleasant 23°C (74°F). You'll experience a minimum of 15°C (59°F) and a maximum reaching up to 34°C (93°F). However, be prepared for some rain, as the region receives an average precipitation of 149 mm (5.9 in) over 14 days. The average humidity hovers around 66%, adding to the overall tropical feel of the season.

September Temperature in Yanyang

In September in Yanyang, the average temperature is 23°C (74°F). Maximums can reach 34°C (93°F), while minimums can be as low as 15°C (59°F). This mild climate makes Yanyang an ideal destination for travelers seeking pleasant weather during this time of year.

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

The chart illustrates September temperature patterns in Yanyang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanyang, September typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec404353616975808074625443
Data source: Temperature data for Yanyang 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 Yanyang

In Yanyang in September, the precipitation amount is 149 mm (5.9 in) over a span of 14 days.

September Precipitation Trends in Yanyang

The chart displays monthly precipitation patterns in Yanyang, 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 Yanyang, September typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7090209203241362340213149535853
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yanyang

In Yanyang in September humidity is 66%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making outdoor activities slightly uncomfortable but still enjoyable for travelers who are properly hydrated and prepared for the moist conditions.

September Average Humidity in Yanyang

This chart illustrates the average monthly humidity levels in Yanyang, 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 Yanyang is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yanyang

In Yanyang 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 Yanyang.

Maximum UV Index Levels in Yanyang for September

The chart shows the monthly maximum UV Index (UVI) for Yanyang 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 Yanyang typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112131210975
Data source: Yanyang 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 Yanyang Compares to Other Months

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

This table compares monthly weather conditions in Yanyang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)70 mm (2.8 inches)69%high
February Weather6°C (43°F)90 mm (3.5 inches)71%high
March Weather12°C (53°F)209 mm (8.2 inches)83%very high
April Weather16°C (61°F)203 mm (8.0 inches)86%very high
May Weather21°C (70°F)241 mm (9.5 inches)85%extreme
June Weather24°C (75°F)362 mm (14.3 inches)85%extreme
July Weather27°C (80°F)340 mm (13.4 inches)89%extreme
August Weather27°C (80°F)213 mm (8.4 inches)85%extreme
September Weather23°C (74°F)149 mm (5.9 inches)66%very high
October Weather17°C (63°F)53 mm (2.1 inches)68%very high
November Weather12°C (54°F)58 mm (2.3 inches)77%high
December Weather6°C (43°F)53 mm (2.1 inches)78%moderate

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