Ulchin Weather in September

September in Ulchin typically sees daytime highs of 24°C (75°F) and nighttime lows of 19°C (66°F). September falls within the rainy season, so heavy rainfall is to be expected. It falls within the summer season.

Rainfall in Ulchin in September

Ulchin is in the rainy season in September, with rain on around 10 days and an average of 192 mm (7.6 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in Ulchin in September

Daytime temperatures in Ulchin reach 24°C (75°F) in September, dropping to 19°C (66°F) at night. September is a notable month of the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 19°C (66°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Ulchin in September

With about 177 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

Wind Speed in Ulchin in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active 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 Ulchin.

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• January
• February
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• May
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• October
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• December

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

Ulchin Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 24°C (75°F)  

Water Temperature 23°C (73°F)  

Chance of Rain 33%  

Precipitation 192 mm (7.6 in)  

Rainy days 10 days  

Humidity 80%  

Windspeed 3 m/s (6 knots)  

Sunshine 177 hours  

Percentage Sunshine 51%  

What to Wear in Ulchin in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Ulchin in September

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

Swimming

7/10

Camping

6/10

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 Ulchin's climate page.

More climate data for Ulchin

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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