September Weather in Yanji, China

Last updated: August 23, 2025

In Yanji, China, the average temperature in September hovers around 24°C (75°F), creating a pleasant climate perfect for outdoor activities. Expect a minimum of 14°C (57°F) and a maximum of 34°C (93°F), offering a diverse range of conditions. Be prepared for some rain, as 77 mm (3.0 in) of precipitation typically falls over 6 days. With an average humidity of 71%, the air may feel a bit muggy, but it adds to the lush ambiance of the region.

September Temperature in Yanji

In September in Yanji, the average temperature is 24°C (75°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 14°C (57°F). This pleasant climate makes Yanji an ideal destination for travelers looking to enjoy both warm days and cool evenings.

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 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec364152617280828274625239
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 total precipitation amount is 77 mm (3.0 in) occurring over a span of 6 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 77 mm (3.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec282531406212123517977423018
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 71%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities for traveling both refreshing and sometimes a bit stifling, prompting travelers to seek shaded spots or refreshing drinks while exploring.

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 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%81%82%80%79%88%84%71%75%84%77%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4578101010118853
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 Weather2°C (36°F)28 mm (1.1 inches)68%moderate
February Weather5°C (41°F)25 mm (1.0 inches)73%moderate
March Weather11°C (52°F)31 mm (1.2 inches)81%high
April Weather16°C (62°F)40 mm (1.6 inches)82%very high
May Weather22°C (72°F)62 mm (2.4 inches)80%very high
June Weather27°C (80°F)121 mm (4.7 inches)79%very high
July Weather28°C (82°F)235 mm (9.3 inches)88%very high
August Weather28°C (82°F)179 mm (7.1 inches)84%extreme
September Weather24°C (75°F)77 mm (3.0 inches)71%very high
October Weather16°C (62°F)42 mm (1.6 inches)75%very high
November Weather11°C (52°F)30 mm (1.2 inches)84%moderate
December Weather4°C (39°F)18 mm (0.7 inches)77%moderate

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