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September Weather in Dejilin, China

Last updated: August 22, 2025

In Dejilin, China, the average temperature in September hovers around 9°C (48°F). During this time, temperatures can dip to a chilly -2°C (28°F) at their lowest and rise to a pleasant 19°C (67°F) at their peak. Be prepared for some rain, as the area receives about 91 mm (3.6 in) of precipitation over 22 days, leading to an average humidity of 87%.

September Temperature in Dejilin

In September in Dejilin, the average temperature is 9°C (48°F). Maximums can reach 19°C (67°F) and minimums can drop to as low as -2°C (28°F). This makes it an ideal time for travelers who appreciate cool weather and the potential for brisk outdoor activities.

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

The chart illustrates September temperature patterns in Dejilin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dejilin, September typically has an average temperature of 9°C (48°F), with highs reaching up to 19°C (67°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec182228364251515148393023
Data source: Temperature data for Dejilin 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 Dejilin

In Dejilin in September, the total precipitation amount is 91 mm (3.6 in) spread over 22 days.

September Precipitation Trends in Dejilin

The chart displays monthly precipitation patterns in Dejilin, 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 Dejilin, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec510183578105206188912779
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Dejilin

In Dejilin in September humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

September Average Humidity in Dejilin

This chart illustrates the average monthly humidity levels in Dejilin, 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 Dejilin is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec60%65%61%56%61%72%89%89%87%75%59%54%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Dejilin

In Dejilin in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Dejilin.

Maximum UV Index Levels in Dejilin for September

The chart shows the monthly maximum UV Index (UVI) for Dejilin 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 Dejilin typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8111315171616161512107
Data source: Dejilin 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 Dejilin Compares to Other Months

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

This table compares monthly weather conditions in Dejilin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)5 mm (0.2 inches)60%very high
February Weather-6°C (22°F)9 mm (0.4 inches)65%extreme
March Weather-2°C (28°F)18 mm (0.7 inches)61%extreme
April Weather2°C (37°F)35 mm (1.4 inches)56%extreme
May Weather6°C (42°F)77 mm (3.1 inches)61%extreme
June Weather10°C (51°F)105 mm (4.1 inches)72%extreme
July Weather11°C (52°F)206 mm (8.1 inches)89%extreme
August Weather11°C (51°F)188 mm (7.4 inches)89%extreme
September Weather9°C (48°F)91 mm (3.6 inches)87%extreme
October Weather4°C (40°F)27 mm (1.0 inches)75%extreme
November Weather-1°C (30°F)7 mm (0.3 inches)59%very high
December Weather-5°C (23°F)9 mm (0.4 inches)54%high

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