South Korea
Busan in September
In September, Busan averages a daytime high of 26 °C and a night-time low of 19 °C, with about 175 mm of rain over the month. It falls outside Busan's most comfortable months, October.
- Average high
- 26 °C
- Average low
- 19 °C
- Rain in the month
- 175 mm
- Daylight on 15 Sep
- 12 h 20 min
- Comfortable month
- No
- Places to stay
- 139
When to go
How September compares with the rest of the year in Busan
September is tied for the 3rd warmest month in Busan by average daytime high; across the year the highs run from 7 °C to 30 °C and the lows from -2 °C to 23 °C. By day, September is 4 °C cooler than August, and October is 4 °C cooler than September.
September brings 175 mm of rain, more than the monthly average of 124 mm (1486 mm a year); it is the 4th wettest month.
On 15 September the sun is up for about 12 h 20 min, against 9 h 50 min at the shortest and 14 h 30 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 7 °C | -2 °C | 36 mm | |
| February | 10 °C | 0 °C | 45 mm | |
| March | 14 °C | 3 °C | 82 mm | |
| April | 19 °C | 8 °C | 127 mm | |
| May | 23 °C | 13 °C | 131 mm | |
| June | 26 °C | 17 °C | 201 mm | |
| July | 28 °C | 22 °C | 277 mm | |
| August | 30 °C | 23 °C | 256 mm | |
| September | 26 °C | 19 °C | 175 mm | |
| October | 22 °C | 13 °C | 76 mm | Yes |
| November | 16 °C | 6 °C | 52 mm | |
| December | 10 °C | 0 °C | 28 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is September a good time to visit Busan?
Not by the measure used here: about 175 mm of rain is 80 mm or more. The comfortable months in Busan are October; the nearest is October.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in South Korea in September
Nationwide public holidays; shops and offices may close on these dates.
Where to stay
Where to stay in Busan
This guide lists 139 places to stay in Busan: 4 chain properties with their details and own websites, and 135 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 1; 1–3 km, 9; 3–10 km, 113; 10 km or more, 12.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.