S
M
T
W
T
F
S
30
83°
50°
31
84°
51°
1
84°
49°
2
83°
48°
3
82°
47°
4
81°
45°
5
78°
41°
6
75°
43°
7
76°
46°
8
80°
48°
9
81°
47°
10
80°
40°
11
71°
45°
12
74°
45°
13
79°
46°
14
80°
48°
15
81°
46°
16
78°
41°
17
69°
42°
18
74°
42°
19
77°
45°
20
Hist. Avg.
77°
46°
21
Hist. Avg.
77°
45°
22
Hist. Avg.
76°
45°
23
Hist. Avg.
76°
44°
24
Hist. Avg.
75°
44°
25
Hist. Avg.
75°
44°
26
Hist. Avg.
74°
44°
27
Hist. Avg.
74°
43°
28
Hist. Avg.
73°
43°
29
Hist. Avg.
73°
42°
30
Hist. Avg.
72°
42°
1
Hist. Avg.
72°
42°
2
Hist. Avg.
71°
42°
3
Hist. Avg.
70°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sherman
Sherman's September 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 40° and 51°. The average high for September is 79° with an average low of 45°. 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 Sherman. See also: October | November | December.
