S
M
T
W
T
F
S
30
79°
57°
31
82°
61°
1
85°
57°
2
83°
56°
3
78°
55°
4
79°
56°
5
80°
62°
6
84°
62°
7
85°
61°
8
78°
61°
9
78°
60°
10
82°
60°
11
82°
59°
12
81°
61°
13
80°
57°
14
77°
53°
15
75°
55°
16
74°
53°
17
74°
53°
18
75°
54°
19
79°
57°
20
80°
59°
21
79°
55°
22
75°
51°
23
73°
56°
24
75°
57°
25
78°
50°
26
73°
55°
27
71°
50°
28
Hist. Avg.
74°
50°
29
Hist. Avg.
74°
50°
30
Hist. Avg.
73°
49°
1
Hist. Avg.
73°
49°
2
Hist. Avg.
73°
48°
3
Hist. Avg.
72°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Overall
Overall's September 2026 forecast shows daily high temperatures ranging from 71° to 85°, with overnight lows between 50° and 62°. The average high for September is 78° with an average low of 57°. 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 Overall. See also: October | November | December.