September Weather in Sinuiju, North Korea

Last updated: August 23, 2025

In September, the average temperature in Sinuiju, North Korea is a pleasant 20°C (69°F). Expect cool nights with a minimum of 6°C (42°F), while daytime highs can soar up to 30°C (87°F). Prepare for some rain, as the region receives about 90 mm (3.6 in) of precipitation over 8 days. With an average humidity of 77%, it can feel quite humid, so be ready for a tropical vibe!

September Temperature in Sinuiju

In September in Sinuiju, the average temperature is 20°C (69°F). Maximums can reach 30°C (87°F), while minimums can drop as low as 6°C (42°F). Overall, it's a pleasant time for traveling, with comfortable temperatures that cater to a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Sinuiju, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sinuiju, September typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (87°F) and lows dropping to around 6°C (42°F).

Data source: Temperature data for Sinuiju generated using information from the Copernicus Climate Change Service.

September Precipitation in Sinuiju

In Sinuiju in September, the total precipitation amount is 90 mm (3.6 in) spread over the course of 8 days.

September Precipitation Trends in Sinuiju

The chart displays monthly precipitation patterns in Sinuiju, 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 Sinuiju, September typically receives around 90 mm (3.6 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Sinuiju

In Sinuiju in September, humidity is 77%. With an average temperature of 20°C (69°F), this humidity feels like a sultry embrace, making travel comfortable yet slightly sticky, as the moist air clings to your skin with every step you take.

September Average Humidity in Sinuiju

This chart illustrates the average monthly humidity levels in Sinuiju, 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 Sinuiju is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sinuiju

In Sinuiju 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 Sinuiju.

Maximum UV Index Levels in Sinuiju for September

The chart shows the monthly maximum UV Index (UVI) for Sinuiju 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 Sinuiju typically reaches 8, which falls under the very high exposure category.

Data source: Sinuiju 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 Sinuiju Compares to Other Months

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

This table compares monthly weather conditions in Sinuiju, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	7 mm (0.3 inches)	69%	moderate
February Weather	-3°C (27°F)	18 mm (0.7 inches)	60%	moderate
March Weather	4°C (39°F)	18 mm (0.7 inches)	63%	high
April Weather	10°C (51°F)	46 mm (1.8 inches)	73%	high
May Weather	16°C (61°F)	94 mm (3.7 inches)	81%	very high
June Weather	20°C (69°F)	98 mm (3.9 inches)	87%	very high
July Weather	25°C (77°F)	106 mm (4.2 inches)	91%	very high
August Weather	25°C (77°F)	253 mm (10.0 inches)	91%	very high
September Weather	20°C (69°F)	90 mm (3.6 inches)	77%	very high
October Weather	13°C (55°F)	52 mm (2.0 inches)	75%	high
November Weather	5°C (40°F)	60 mm (2.4 inches)	69%	moderate
December Weather	-4°C (25°F)	13 mm (0.5 inches)	68%	low