S
M
T
W
T
F
S
30
83°
72°
31
76°
74°
1
83°
73°
2
79°
71°
3
84°
69°
4
84°
65°
5
83°
63°
6
83°
62°
7
82°
59°
8
84°
59°
9
78°
57°
10
69°
57°
11
79°
54°
12
82°
59°
13
81°
60°
14
79°
56°
15
80°
53°
16
82°
51°
17
79°
55°
18
82°
62°
19
N/A
20
83°
63°
21
85°
63°
22
84°
62°
23
82°
63°
24
81°
62°
25
81°
62°
26
76°
63°
27
84°
62°
28
82°
58°
29
77°
60°
30
75°
60°
1
74°
59°
2
74°
58°
3
74°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Poseung-eup
Poseung-eup's September 2026 forecast shows daily high temperatures ranging from 74° to 85°, with overnight lows between 58° and 63°. The average high for September is 79° with an average low of 61°. 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 Poseung-eup. See also: October | November | December.