Yeosu weather in September
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Yeosu September weather at a glance
In September, Yeosu averages 25.6°C, with typical highs of 29.1°C and lows of 22.8°C. The historical average is 14 wet days and 78% humidity.
Yeosu September temperature & humidity
Yeosu September rain & wet days
Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.
What to wear in Yeosu in September
Choose breathable summer clothes and pack sun protection. Rain is frequent at roughly 14 days in the month; pack a rain jacket and water-resistant shoes.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 29.1°C
- Morning & eveningLight layer for air-conditioned rooms · average low 22.8°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Yeosu September sunrise & sunset times
2026 September · Local time (Asia/Seoul)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-09-01 | 06:02 | 18:56 | 12h 55m |
| 2026-09-15 | 06:12 | 18:37 | 12h 25m |
| 2026-09-30 | 06:23 | 18:15 | 11h 53m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Yeosu travel updates
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Best months to visit Yeosu
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
September weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Yeosu weather like in September?
In September, Yeosu averages 25.6°C, with typical highs of 29.1°C and lows of 22.8°C. The historical average is 14 wet days and 78% humidity. Our weather-comfort rating for this month is fair.
Does it rain a lot in Yeosu in September?
There are about 14 wet days in September. Pack a rain jacket and water-resistant shoes.
What should I wear in Yeosu in September?
Choose breathable summer clothes and pack sun protection. Rain is frequent at roughly 14 days in the month; pack a rain jacket and water-resistant shoes.
What are the best months to visit Yeosu?
Recent weather data rates March, April, May, June among the more comfortable months.
Where can I check Yeosu weather in September in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Yeosu in September?
On 2026-09-15, calculated sunrise is 06:12 and sunset is 18:37 in local time (Asia/Seoul). Times vary by date and terrain.
Yeosu weather by month
More South Korea destinations in September
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations