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September Weather in Yanji, China

Last updated: August 22, 2025

In Yanji, China, the average temperature in September hovers around 16°C (61°F), with a minimum that can drop to 0°C (32°F) and a maximum reaching up to 29°C (85°F). Expect about 87 mm (3.4 in) of precipitation throughout 9 days, contributing to an average humidity of 84%—perfect for enjoying the lush surroundings!

September Temperature in Yanji

In September in Yanji, the average temperature is 16°C (61°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 0°C (32°F). Be sure to pack accordingly to enjoy all that Yanji has to offer during your visit!

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

The chart illustrates September temperature patterns in Yanji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanji, September typically has an average temperature of 16°C (61°F), with highs reaching up to 29°C (85°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec111733465764727061463014
Data source: Temperature data for Yanji 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 Yanji

In Yanji in September, the precipitation amount is 87 mm (3.4 in), occurring over a span of 9 days.

September Precipitation Trends in Yanji

The chart displays monthly precipitation patterns in Yanji, 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 Yanji, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec713293080901131978737379
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yanji

In Yanji in September, humidity is 84%. With an average temperature of 16°C (61°F), this humidity feels like a blanket of warmth, making travel slightly sticky but overall comfortable, as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Yanji

This chart illustrates the average monthly humidity levels in Yanji, 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 Yanji is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%70%65%72%82%87%89%84%83%67%70%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yanji

In Yanji in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Yanji.

Maximum UV Index Levels in Yanji for September

The chart shows the monthly maximum UV Index (UVI) for Yanji 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 Yanji typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23578910107532
Data source: Yanji 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 Yanji Compares to Other Months

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

This table compares monthly weather conditions in Yanji, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (11°F)7 mm (0.3 inches)78%low
February Weather-8°C (17°F)13 mm (0.5 inches)75%moderate
March Weather1°C (33°F)29 mm (1.1 inches)70%moderate
April Weather8°C (46°F)30 mm (1.2 inches)65%high
May Weather14°C (57°F)80 mm (3.2 inches)72%very high
June Weather18°C (64°F)90 mm (3.6 inches)82%very high
July Weather22°C (72°F)113 mm (4.4 inches)87%very high
August Weather21°C (71°F)197 mm (7.8 inches)89%very high
September Weather16°C (61°F)87 mm (3.4 inches)84%high
October Weather8°C (46°F)37 mm (1.4 inches)83%moderate
November Weather-1°C (30°F)37 mm (1.5 inches)67%moderate
December Weather-10°C (15°F)9 mm (0.4 inches)70%low

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