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September Weather in Yanwu, China

Last updated: August 22, 2025

In September, the average temperature in Yanwu, China hovers around 16°C (60°F). Expect minimums to dip to 6°C (42°F) and maximums to reach up to 28°C (83°F). With 87 mm (3.4 in) of precipitation spread over 10 days, you might want to keep an umbrella handy! Additionally, the average humidity sits at a comfortable 73%.

September Temperature in Yanwu

In September in Yanwu, the average temperature is 16°C (60°F), with maximums reaching 28°C (83°F) and minimums dipping as low as 6°C (42°F). This range makes it an ideal time for travelers to enjoy a mix of pleasant days and cooler evenings.

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

The chart illustrates September temperature patterns in Yanwu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanwu, September typically has an average temperature of 16°C (60°F), with highs reaching up to 28°C (83°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec242942526068716860473726
Data source: Temperature data for Yanwu 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 Yanwu

In Yanwu in September, the precipitation amount is 87 mm (3.4 in) over the course of 10 days.

September Precipitation Trends in Yanwu

The chart displays monthly precipitation patterns in Yanwu, 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 Yanwu, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec814214241681101608755176
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yanwu

In Yanwu in September, humidity is 73%. With an average temperature of 16°C (60°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities a bit sticky and necessitating frequent breaks for hydration during your travels.

September Average Humidity in Yanwu

This chart illustrates the average monthly humidity levels in Yanwu, 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 Yanwu is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec60%66%68%73%58%65%59%60%73%77%74%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yanwu

In Yanwu 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 Yanwu.

Maximum UV Index Levels in Yanwu for September

The chart shows the monthly maximum UV Index (UVI) for Yanwu 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 Yanwu typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec457101212131110853
Data source: Yanwu 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 Yanwu Compares to Other Months

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

This table compares monthly weather conditions in Yanwu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)7 mm (0.3 inches)60%moderate
February Weather-2°C (29°F)14 mm (0.6 inches)66%moderate
March Weather6°C (42°F)21 mm (0.8 inches)68%high
April Weather11°C (52°F)42 mm (1.7 inches)73%very high
May Weather16°C (61°F)41 mm (1.6 inches)58%extreme
June Weather20°C (68°F)68 mm (2.7 inches)65%extreme
July Weather22°C (72°F)110 mm (4.3 inches)59%extreme
August Weather20°C (68°F)160 mm (6.3 inches)60%extreme
September Weather16°C (60°F)87 mm (3.4 inches)73%very high
October Weather9°C (48°F)55 mm (2.2 inches)77%very high
November Weather3°C (37°F)17 mm (0.7 inches)74%moderate
December Weather-3°C (26°F)6 mm (0.2 inches)69%moderate

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