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September Weather in Sil-li, North Korea

Last updated: August 23, 2025

In September, the average temperature in Sil-li, North Korea is a pleasant 21°C (70°F). Expect temperatures to range from a cool 6°C (43°F) at night to a warm 31°C (89°F) during the day. You'll experience an average precipitation of 114 mm (4.5 in) spread across 8 days, contributing to a lush environment. Don't forget to prepare for a high average humidity of 77%, enhancing that tropical feel!

September Temperature in Sil-li

In September in Sil-li, the average temperature is 21°C (70°F). Maximums can reach 31°C (89°F), while minimums can dip as low as 6°C (43°F). This makes Sil-li an ideal destination for travelers seeking a comfortable climate.

September Weather in Sil-li: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sil-li, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sil-li, September typically has an average temperature of 21°C (70°F), with highs reaching up to 31°C (89°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec232841536371787869564126
Data source: Temperature data for Sil-li 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 Sil-li

In Sil-li in September, the total precipitation amount is 114 mm (4.5 in) spread over a duration of 8 days.

September Precipitation Trends in Sil-li

The chart displays monthly precipitation patterns in Sil-li, 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 Sil-li, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec10172551110154189285114475921
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sil-li

In Sil-li in September, humidity is 77%. With an average temperature of 21°C (70°F), this humidity feels like a warm, slightly sticky embrace, making travel invigorating yet slightly uncomfortable as you navigate the vibrant streets and outdoor attractions.

September Average Humidity in Sil-li

This chart illustrates the average monthly humidity levels in Sil-li, 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 Sil-li 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 Sil-li

In Sil-li 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 Sil-li.

Maximum UV Index Levels in Sil-li for September

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

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

This table compares monthly weather conditions in Sil-li, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)10 mm (0.4 inches)65%moderate
February Weather-2°C (28°F)17 mm (0.7 inches)61%moderate
March Weather5°C (41°F)25 mm (1.0 inches)60%high
April Weather12°C (53°F)51 mm (2.0 inches)67%very high
May Weather17°C (63°F)110 mm (4.3 inches)76%very high
June Weather22°C (71°F)154 mm (6.0 inches)83%very high
July Weather26°C (79°F)189 mm (7.4 inches)88%very high
August Weather26°C (79°F)285 mm (11.2 inches)90%extreme
September Weather21°C (70°F)114 mm (4.5 inches)77%very high
October Weather13°C (56°F)47 mm (1.9 inches)80%high
November Weather5°C (41°F)59 mm (2.3 inches)76%moderate
December Weather-3°C (26°F)21 mm (0.8 inches)69%low

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