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September Weather in Hamhung, North Korea

Last updated: August 23, 2025

In September, the average temperature in Hamhung, North Korea sits at a pleasant 19°C (66°F). Expect minimum temperatures to dip to around 7°C (45°F) and maximums reaching up to 30°C (87°F). With an average humidity of 77% and precipitation totaling 147 mm (5.8 in) across 9 days, make sure to prepare for a mix of sunshine and occasional rain during your visit!

September Temperature in Hamhung

In September in Hamhung, the average temperature is 19°C (66°F). Maximums can reach 30°C (87°F), while minimums can drop to as low as 7°C (45°F). This makes Hamhung an ideal destination for travelers seeking comfortable weather and a pleasant getaway.

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

The chart illustrates September temperature patterns in Hamhung, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamhung, September typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (87°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec232739496067757466544128
Data source: Temperature data for Hamhung 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 Hamhung

In Hamhung in September, the precipitation amount totals 147 mm (5.8 in) over a span of 9 days.

September Precipitation Trends in Hamhung

The chart displays monthly precipitation patterns in Hamhung, 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 Hamhung, September typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec20336357105102210304147768338
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Hamhung

In Hamhung in September, humidity is 77%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making the air feel thick and sticky, which can be quite uncomfortable for traveling.

September Average Humidity in Hamhung

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

In Hamhung 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 Hamhung.

Maximum UV Index Levels in Hamhung for September

The chart shows the monthly maximum UV Index (UVI) for Hamhung 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 Hamhung typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346881010118632
Data source: Hamhung 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 Hamhung Compares to Other Months

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

This table compares monthly weather conditions in Hamhung, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)20 mm (0.8 inches)65%moderate
February Weather-3°C (28°F)33 mm (1.3 inches)61%moderate
March Weather4°C (39°F)62 mm (2.5 inches)60%high
April Weather10°C (50°F)57 mm (2.2 inches)67%very high
May Weather15°C (60°F)105 mm (4.1 inches)76%very high
June Weather20°C (67°F)102 mm (4.0 inches)83%very high
July Weather24°C (75°F)210 mm (8.2 inches)88%very high
August Weather23°C (75°F)304 mm (12.0 inches)90%extreme
September Weather19°C (66°F)147 mm (5.8 inches)77%very high
October Weather12°C (54°F)76 mm (3.0 inches)80%high
November Weather5°C (41°F)83 mm (3.3 inches)76%moderate
December Weather-2°C (28°F)38 mm (1.5 inches)69%low

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