S
M
T
W
T
F
S
30
94°
58°
31
89°
58°
1
87°
63°
2
92°
60°
3
92°
62°
4
91°
64°
5
93°
63°
6
92°
56°
7
84°
55°
8
84°
55°
9
85°
62°
10
89°
60°
11
89°
59°
12
88°
58°
13
81°
54°
14
82°
60°
15
88°
57°
16
89°
52°
17
81°
52°
18
79°
51°
19
79°
52°
20
80°
51°
21
78°
50°
22
77°
51°
23
78°
53°
24
78°
55°
25
79°
56°
26
83°
56°
27
84°
53°
28
82°
56°
29
82°
56°
30
79°
52°
1
77°
53°
2
76°
48°
3
74°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South
South's September 2026 forecast shows daily high temperatures ranging from 74° to 94°, with overnight lows between 46° and 64°. The average high for September is 84° with an average low of 56°. 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 South. See also: October | November | December.
