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September Weather in Onsong, North Korea

Last updated: August 23, 2025

In Onsong, North Korea, the average temperature in September is a pleasant 16°C (60°F). However, temperatures can vary significantly, with lows dipping to 0°C (33°F) and highs reaching up to 28°C (82°F). During this month, expect 81 mm (3.2 in) of precipitation over about 10 days, contributing to an average humidity level of 84%. Prepare accordingly for a mix of wet days and comfortable warmth!

September Temperature in Onsong

In September in Onsong, the average temperature is 16°C (60°F). The maximum can reach 28°C (82°F), while the minimum can be as low as 0°C (33°F). This variability in temperature makes it essential to pack layers for your travels to Onsong during this time.

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

The chart illustrates September temperature patterns in Onsong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onsong, September typically has an average temperature of 16°C (60°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec111632455562717060463014
Data source: Temperature data for Onsong 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 Onsong

In Onsong in September, the precipitation amount is 81 mm (3.2 in) over a span of 10 days.

September Precipitation Trends in Onsong

The chart displays monthly precipitation patterns in Onsong, 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 Onsong, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec713303083859619481363810
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Onsong

In Onsong in September humidity is 84%. With an average temperature of 16°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel muggy and potentially exhausting for travelers.

September Average Humidity in Onsong

This chart illustrates the average monthly humidity levels in Onsong, 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 Onsong 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 Onsong

In Onsong 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 Onsong.

Maximum UV Index Levels in Onsong for September

The chart shows the monthly maximum UV Index (UVI) for Onsong 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 Onsong typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23578910108532
Data source: Onsong 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 Onsong Compares to Other Months

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

This table compares monthly weather conditions in Onsong, 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-9°C (17°F)13 mm (0.5 inches)75%moderate
March Weather0°C (33°F)30 mm (1.2 inches)70%moderate
April Weather7°C (45°F)30 mm (1.2 inches)65%high
May Weather13°C (56°F)83 mm (3.3 inches)72%very high
June Weather17°C (63°F)85 mm (3.4 inches)82%very high
July Weather21°C (71°F)96 mm (3.8 inches)87%very high
August Weather21°C (70°F)194 mm (7.6 inches)89%very high
September Weather16°C (60°F)81 mm (3.2 inches)84%very high
October Weather8°C (46°F)36 mm (1.4 inches)83%moderate
November Weather-1°C (30°F)38 mm (1.5 inches)67%moderate
December Weather-10°C (14°F)10 mm (0.4 inches)70%low

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