S
M
T
W
T
F
S
30
84°
74°
31
85°
72°
1
83°
72°
2
84°
73°
3
83°
72°
4
82°
71°
5
82°
71°
6
83°
72°
7
81°
70°
8
81°
69°
9
82°
69°
10
81°
70°
11
80°
68°
12
79°
69°
13
80°
69°
14
80°
71°
15
79°
68°
16
79°
71°
17
80°
69°
18
80°
70°
19
81°
70°
20
80°
68°
21
79°
69°
22
81°
70°
23
81°
69°
24
80°
68°
25
82°
69°
26
81°
66°
27
80°
63°
28
76°
61°
29
75°
62°
30
75°
62°
1
76°
64°
2
76°
66°
3
78°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Busan
Busan's September 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 61° and 74°. The average high for September is 80° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Busan. See also: October | November | December.
