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September Weather in Runjin, China

Last updated: August 22, 2025

In Runjin, China, the average temperature in September hovers around 14°C (57°F). Temperatures can vary widely, with a minimum of -1°C (31°F) and a maximum reaching 28°C (83°F). During this time, expect approximately 99 mm (3.9 in) of precipitation over about 11 days, leading to an average humidity of 85%.

September Temperature in Runjin

In September in Runjin, the average temperature is 14°C (57°F). The maximum can reach up to 28°C (83°F), while the minimum can dip as low as -1°C (31°F). Be prepared for a wide range of temperatures if you plan to travel during this time!

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

The chart illustrates September temperature patterns in Runjin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Runjin, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec-44254357667367574119-0
Data source: Temperature data for Runjin 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 Runjin

In Runjin, in September, the precipitation amount is 99 mm (3.9 in) over the course of 11 days.

September Precipitation Trends in Runjin

The chart displays monthly precipitation patterns in Runjin, 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 Runjin, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec461234481301661889924206
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Runjin

In Runjin in September, humidity is 85%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making travel feel heavy and sluggish.

September Average Humidity in Runjin

This chart illustrates the average monthly humidity levels in Runjin, 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 Runjin is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%63%59%61%79%85%87%85%81%61%60%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Runjin

In Runjin 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 Runjin, you can refer to this Hourly UV Index in Runjin.

Maximum UV Index Levels in Runjin for September

The chart shows the monthly maximum UV Index (UVI) for Runjin 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 Runjin typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678886421
Data source: Runjin 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 Runjin Compares to Other Months

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

This table compares monthly weather conditions in Runjin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-4°F)4 mm (0.2 inches)75%low
February Weather-16°C (4°F)6 mm (0.2 inches)70%low
March Weather-4°C (26°F)12 mm (0.5 inches)63%moderate
April Weather6°C (43°F)34 mm (1.3 inches)59%high
May Weather14°C (57°F)48 mm (1.9 inches)61%high
June Weather19°C (66°F)130 mm (5.1 inches)79%very high
July Weather23°C (73°F)166 mm (6.6 inches)84%very high
August Weather20°C (67°F)188 mm (7.4 inches)87%very high
September Weather14°C (57°F)99 mm (3.9 inches)85%high
October Weather5°C (41°F)24 mm (1.0 inches)80%moderate
November Weather-7°C (19°F)20 mm (0.8 inches)61%low
December Weather-18°C (0°F)6 mm (0.2 inches)60%low

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