S
M
T
W
T
F
S
30
75°
46°
31
76°
50°
1
83°
53°
2
80°
48°
3
74°
52°
4
78°
51°
5
78°
48°
6
80°
51°
7
79°
50°
8
81°
52°
9
82°
54°
10
82°
53°
11
83°
51°
12
79°
52°
13
81°
51°
14
80°
50°
15
79°
50°
16
79°
41°
17
76°
39°
18
68°
41°
19
65°
35°
20
68°
43°
21
73°
49°
22
77°
47°
23
Hist. Avg.
70°
40°
24
Hist. Avg.
70°
40°
25
Hist. Avg.
69°
40°
26
Hist. Avg.
69°
39°
27
Hist. Avg.
68°
39°
28
Hist. Avg.
68°
38°
29
Hist. Avg.
67°
38°
30
Hist. Avg.
67°
38°
1
Hist. Avg.
66°
37°
2
Hist. Avg.
66°
37°
3
Hist. Avg.
65°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Big Sandy
Big Sandy's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 35° and 54°. The average high for September is 77° with an average low of 48°. 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 Big Sandy. See also: October | November | December.
