September Weather in Yichun, China

Last updated: August 23, 2025

In September, the average temperature in Yichun, China is a mild 13°C (56°F). However, be prepared for surprises, as temperatures can dip as low as -3°C (28°F) or soar to a warm 29°C (84°F). With an average precipitation of 89 mm (3.5 in) spread across 11 days, the air tends to be quite humid, averaging around 87%. Make sure to pack accordingly!

September Temperature in Yichun

In September in Yichun, the average temperature is 13°C (56°F), with maximums reaching up to 29°C (84°F) and minimums dipping as low as -3°C (28°F). This variation in temperature makes it essential for travelers to pack accordingly to ensure a comfortable stay.

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

The chart illustrates September temperature patterns in Yichun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yichun, September typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (84°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec-61224154627165553918-2
Data source: Temperature data for Yichun 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 Yichun

In Yichun in September, the precipitation amount is 89 mm (3.5 in) over a span of 11 days.

September Precipitation Trends in Yichun

The chart displays monthly precipitation patterns in Yichun, 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 Yichun, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6818418413914016889263110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yichun

In Yichun in September humidity is 87%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it challenging to explore comfortably.

September Average Humidity in Yichun

This chart illustrates the average monthly humidity levels in Yichun, 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 Yichun is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%75%67%69%82%87%89%87%83%67%72%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yichun

In Yichun in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Yichun, you can refer to this Hourly UV Index in Yichun.

Maximum UV Index Levels in Yichun for September

The chart shows the monthly maximum UV Index (UVI) for Yichun 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 Yichun typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Yichun 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 Yichun Compares to Other Months

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

This table compares monthly weather conditions in Yichun, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-6°F)6 mm (0.3 inches)84%low
February Weather-17°C (2°F)8 mm (0.3 inches)81%moderate
March Weather-5°C (23°F)18 mm (0.7 inches)75%moderate
April Weather5°C (41°F)41 mm (1.6 inches)67%high
May Weather12°C (54°F)84 mm (3.3 inches)69%very high
June Weather17°C (62°F)139 mm (5.5 inches)81%very high
July Weather22°C (71°F)140 mm (5.5 inches)87%very high
August Weather18°C (66°F)168 mm (6.6 inches)89%very high
September Weather13°C (56°F)89 mm (3.5 inches)87%high
October Weather4°C (39°F)26 mm (1.0 inches)83%moderate
November Weather-8°C (19°F)31 mm (1.2 inches)67%low
December Weather-19°C (-2°F)10 mm (0.4 inches)72%low

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