Taean Weather in September

Taean in September sees high temperatures, with highs around 26°C (79°F) and overnight lows of 20°C (68°F). Rainfall is fairly high at around 137 mm (5.4 in) on average, so pack waterproofs just in case.

Rainfall in Taean in September

Rain is expected on roughly 8 days, totalling around 137 mm (5.4 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Taean in September

Temperatures in Taean in September top out at 26°C (79°F) and drop to 20°C (68°F) overnight. Experience the summer season in September. This kind of day-to-night contrast is typical for this time of year. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Taean in September

Enjoy a sunny month with about 196 hours of sunshine, the clear skies make Taean even more beautiful.

Wind Speed in Taean in September

Average wind conditions reach 1 m/s (2 knots) in September. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in September

At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If your ideal day consists of dry skies and pleasant temperatures, May and October typically offer the best circumstances for Taean.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit South Korea, check out our Taean's climate page.

Taean Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 26°C (79°F)  

Water Temperature 23°C (73°F) *  

Chance of Rain 28%  

Precipitation 137 mm (5.4 in)  

Rainy days 8 days  

Humidity 81% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 196 hours *  

Percentage Sunshine 53% *  

* Data from: Sosan, South Korea (15 KM, 9 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Taean typically drop from around 28°C (82°F) at the start of September to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 20°C (68°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Taean in September

Browse day-by-day weather records for Taean spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Taean historical weather extremes in September

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Taean.

• The hottest September day on record in Taean reached 34°C (93°F) (September 17, 2024).
• The coldest September day was on September 26, 1987, with a maximum of 17°C (63°F).
• The coldest night in September in Taean was on September 27, 1987, with a minimum of 4°C (39°F).

What to Wear in Taean in September

Warm but pleasant conditions in Taean in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 23°C (73°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Taean in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit South Korea, check out our Taean's climate page.

More climate data for Taean

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Taean climate overview or explore weather in South Korea.