Weather in Busan in September
As an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Busan.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn September, Busan sees average highs of 25.3°C (77.5°F) and lows of 19.7°C. Conditions are warm and very wet, with around 13 rainy days, with roughly 7.8 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Busan — every month compared. Once you know when to go, find your Busan packing list at 247PackingList.
Get ready for Busan in September
Search flights to Busan
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Busan in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Busan
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 7.4°C | 55.2mm | 10/10 |
| February | 9.4°C | 49.6mm | 10/10 |
| March | 14.2°C | 96.7mm | 10/10 |
| April | 17.2°C | 100.0mm | 10/10 |
| May | 21.0°C | 135.1mm | 9/10 |
| June | 24.4°C | 234.5mm | 8/10 |
| July | 27.1°C | 335.7mm | 8/10 |
| August | 28.8°C | 258.5mm | 8/10 |
| September | 25.3°C | 226.2mm | 8/10 |
| October | 20.7°C | 20.2mm | 10/10 |
| November | 15.5°C | 45.1mm | 10/10 |
| December | 7.8°C | 30.3mm | 10/10 |
Full month-by-month guide: best time to visit Busan →
For facts about South Korea — currency, language and dialling code — see our South Korea country guide at 247CountryInfo. Travellers also find it useful to keep a Busan travel guide to hand. Check clothing sizes in South Korea before you shop.
Frequently Asked Questions
Is September a good time to visit Busan?
September rates 8/10 for visiting Busan — good time to visit. Expect average highs of 25.3°C, 226.2mm of rain across the month and about 7.8 hours of daily sunshine.
What is the temperature in Busan in September?
In September, Busan has average highs of 25.3°C (77.5°F) and average lows of 19.7°C (67.5°F).
Does it rain in Busan in September?
Yes — September is one of the wetter months in Busan, averaging 226.2mm of rain over roughly 13 rainy days. Pack for heavy showers.
What should I wear in Busan in September?
For Busan in September (25.3°C highs / 19.7°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Busan in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
Check Price →Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.