September weather forecast
Sonbong, North Korea

As Sonbong moves into September, there are immediate signs of summer receding. A notable decrease in temperature, daylight, and rainfall marks the arrival of this month. September sees a tapering off in terms of weather extremes. The sea temperature begins to steadily drop, following the air's lead from its August highs. Despite these changes, the climate remains largely pleasant, signaling the onset of autumn.

Temperature

September in Sonbong signals a slight drop in average high-temperature, sliding from August's moderately hot 24°C (75.2°F) to a pleasant 21°C (69.8°F). The nighttime temperature dips to a cool 12°C (53.6°F) on average during September.

Rainfall

During September, Sonbong regularly aggregates up to 119mm (4.69") of precipitation. During the entire year, Sonbong aggregates up to 763mm (30.04") of precipitation.

Sea temperature

In Sonbong, North Korea, the average seawater temperature in September is 19.3°C (66.7°F).
Note: Swimming in water that is 19.3°C (66.7°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In September, the average length of the day is 12h and 30min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:52. On the last day of September, sunrise is at 06:14 and sunset at 18:02 KST.