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Sea Temperature in Incheon in September
Complete information on the sea temperature range in the East China Sea in Incheon in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Incheon. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Incheon in September
18°C
MINIMUN
23°C
AVERAGE
28°C
MAXIMUM
Historical Data of Water Temperature in September in Incheon
Water Temperature Chart for East China Sea in Incheon in September
Sea Temperature Table in Incheon in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 23°C | 24°C | 24°C | 24.5°C |
| Sep 2 | 24°C | 23°C | 24°C | 24.5°C |
| Sep 3 | 25°C | 24°C | 24°C | 25.0°C |
| Sep 4 | 25°C | 24°C | 24°C | 24.8°C |
| Sep 5 | 24°C | 23°C | 24°C | 24.3°C |
| Sep 6 | 25°C | 24°C | 24°C | 24.5°C |
| Sep 7 | 24°C | 24°C | 24°C | 24.3°C |
| Sep 8 | 23°C | 24°C | 24°C | 24.3°C |
| Sep 9 | 25°C | 24°C | 24°C | 24.8°C |
| Sep 10 | 23°C | 23°C | 24°C | 23.8°C |
| Sep 11 | 24°C | 24°C | 24°C | 24.3°C |
| Sep 12 | 23°C | 23°C | 24°C | 24.0°C |
| Sep 13 | 23°C | 23°C | 24°C | 23.8°C |
| Sep 14 | 25°C | 23°C | 24°C | 24.8°C |
| Sep 15 | 25°C | 23°C | 24°C | 24.5°C |
| Sep 16 | 25°C | 23°C | 24°C | 24.8°C |
| Sep 17 | 25°C | 23°C | 24°C | 24.5°C |
| Sep 18 | 24°C | 23°C | 23°C | 24.0°C |
| Sep 19 | 24°C | 23°C | 23°C | 23.8°C |
| Sep 20 | 25°C | 23°C | 23°C | 24.3°C |
| Sep 21 | 25°C | 23°C | 23°C | 24.3°C |
| Sep 22 | 25°C | 22°C | 23°C | 24.0°C |
| Sep 23 | 25°C | 22°C | 23°C | 24.0°C |
| Sep 24 | 25°C | 22°C | 23°C | 23.8°C |
| Sep 25 | 24°C | 22°C | 23°C | 23.5°C |
| Sep 26 | 24°C | 22°C | 23°C | 23.3°C |
| Sep 27 | 24°C | 22°C | 23°C | 23.3°C |
| Sep 28 | 24°C | 22°C | 23°C | 23.0°C |
| Sep 29 | 24°C | 22°C | 23°C | 23.0°C |
Incheon Climate and Swimming Opportunities in September
26°C
Average Day Air Temperature
16°C
Average Night Air Temperature
158 mm
Precipitation Amount per Month
10 days
Number of Rainy Days
12 hrs
Daylight
per Day
7 hrs
Sunshine
per Day
6 km/h
Average Wind Speed
75%
Average
humidity
Incheon lies within in South Korea. The average daytime temperature in Incheon in September is 26°C (79°F), while the nighttime average is 16°C (61°F). There are typically 10 rainy days during the month, with a total precipitation of 158 mm (6.2 inches). The daylight duration in September in Incheon is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 6 km/h (4 mph), and the humidity level is around 75%.
The water temperature in Incheon in September ranges from 23°C to 25°C (73°F to 77°F). At the beginning of the month, the average temperature is around 25°C (77°F), shifting to 24°C (75°F) by mid-September and reaching 24°C (75°F) in the last ten days. Overall, the average sea temperature in Incheon for September is 24°C (75°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.
Frequently Asked Questions About Water Temperatures in September in Incheon
What is the sea temperature in Incheon in September?
The water temperature in the East China Sea in Incheon in September ranges from 23°C to 25°C (73°F to 77°F).
Is it possible to swim in the East China Sea in Incheon in September?
The average sea temperature in Incheon in September is 24°C (75°F), and the air temperature is 26°C (79°F), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.