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September Weather in Sunch'on, North Korea

Last updated: August 23, 2025

In Sunch'on, North Korea, the average temperature in September reaches a pleasant 20°C (68°F). Temperatures can vary widely, with a minimum of 6°C (43°F) and a maximum of 30°C (86°F). During this month, expect approximately 127 mm (5.0 in) of precipitation spread over about 8 days, and enjoy a relatively high average humidity of 77%.

September Temperature in Sunch'on

In September in Sunch'on, the average temperature is 20°C (68°F). Maximums can reach 30°C (86°F), while minimums can drop as low as 6°C (43°F). This pleasant climate makes Sunch'on an ideal destination for travelers seeking mild weather and outdoor adventures.

September Weather in Sunch'on: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sunch'on, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunch'on, September typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (86°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec212740526270777768544024
Data source: Temperature data for Sunch'on 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 Sunch'on

In Sunch'on in September, the precipitation amount is 127 mm (5.0 in) spread over 8 days.

September Precipitation Trends in Sunch'on

The chart displays monthly precipitation patterns in Sunch'on, 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 Sunch'on, September typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec13223758122151216332127536628
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sunch'on

In Sunch'on in September, humidity is 77%. With an average temperature of 20°C (68°F), this humidity feels like a warm, sticky embrace, making it essential for travelers to stay hydrated and take breaks in shaded areas to avoid feeling sluggish in the heat.

September Average Humidity in Sunch'on

This chart illustrates the average monthly humidity levels in Sunch'on, 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 Sunch'on is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%62%60%67%76%83%88%90%77%80%76%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sunch'on

In Sunch'on in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sunch'on.

Maximum UV Index Levels in Sunch'on for September

The chart shows the monthly maximum UV Index (UVI) for Sunch'on 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 Sunch'on typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346881010119642
Data source: Sunch'on 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 Sunch'on Compares to Other Months

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

This table compares monthly weather conditions in Sunch'on, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)13 mm (0.5 inches)65%moderate
February Weather-3°C (27°F)22 mm (0.9 inches)61%moderate
March Weather5°C (41°F)37 mm (1.4 inches)60%high
April Weather11°C (52°F)58 mm (2.3 inches)67%very high
May Weather17°C (62°F)122 mm (4.8 inches)76%very high
June Weather21°C (70°F)151 mm (5.9 inches)83%very high
July Weather25°C (77°F)216 mm (8.5 inches)88%very high
August Weather25°C (77°F)332 mm (13.1 inches)90%extreme
September Weather20°C (68°F)127 mm (5.0 inches)77%very high
October Weather12°C (55°F)53 mm (2.1 inches)80%high
November Weather4°C (40°F)66 mm (2.6 inches)76%moderate
December Weather-4°C (24°F)27 mm (1.1 inches)69%low

Compare Sunch'on's Climate with Cities Worldwide