Measurements:
°C
°F
Seoul
60°F
E 2 mph
Feels like: 60°F
Precip: 0%
World Resorts South Korea Seoul Weather September Weather in Seoul

Seoul Weather: September

Average Day Temperature: 83.1°F
Average Night Temperature: 69.2°F
Sea Water Temperature: 77.2°F
Number of Sunny Days: 16 days
Sunshine Hours: 11.9 - 13.0 hours
Number of Rainy Days: 5 days
Precipitation Totals: 4.4 in

Air Temperature in September, °F

Select Year: 2023 2022 2021

The highest day temperature in September 2023 was 95°F. The lowest night temperature was 63°F. The average values for day and night temperatures during September were 82.9°F и 71.0°F respectivly.

Seoul Water Sea Temperature in September, °F

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for Seoul was 78.3°F. The maximum and minimum values were 74.4°F and 80.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Seoul is 4.4 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 5.0 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Seoul in September is 8.5 hours.

Best Time to Visit Seoul
The most sunny months:
October 20 days
May 19 days
March 18 days
The most warm months:
August 90.7 °F
July 89.8 °F
June 85.7 °F
Warmest sea temperature:
August 81.5 °F
September 77.2 °F
July 77.1 °F
The most cold months:
January 30.9 °F
December 34.3 °F
February 37.4 °F
The most rainy months:
July 11 days
August 9 days
May 5 days
The most windy months:
April 7 mph
March 7 mph
May 6 mph

Seoul on the Weather Map

South Korea Resorts:
NAME
Busan +52
Incheon +56
Jeju +58
Muju +50
Seoul +60
Yongpyong +50
24 Hours Weather Forecast
Seoul
Local time: 04:05
27 apr, saturday
0600 58°F
E
1 mph
0900 68°F
E
2 mph
1200 78°F
E
7 mph
1500 82°F
E
8 mph
1800 78°F
E
8 mph
2100 70°F
E
4 mph
28 apr, sunday
0000 66°F
NE
2 mph
0300 64°F
N
2 mph