S
M
T
W
T
F
S
30
70°
59°
31
64°
57°
1
68°
55°
2
64°
59°
3
68°
60°
4
66°
58°
5
64°
56°
6
73°
56°
7
66°
57°
8
61°
55°
9
63°
52°
10
63°
48°
11
63°
54°
12
66°
53°
13
66°
59°
14
70°
60°
15
65°
56°
16
61°
55°
17
63°
56°
18
63°
55°
19
64°
58°
20
63°
55°
21
N/A
22
67°
58°
23
63°
46°
24
67°
56°
25
61°
52°
26
65°
53°
27
63°
52°
28
61°
54°
29
62°
56°
30
64°
53°
1
62°
51°
2
63°
48°
3
57°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Southport
Southport's September 2026 forecast shows daily high temperatures ranging from 57° to 67°, with overnight lows between 46° and 58°. The average high for September is 63° with an average low of 52°. 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 Southport. See also: October | November | December.
