S
M
T
W
T
F
S
30
92°
73°
31
92°
73°
1
91°
71°
2
92°
71°
3
90°
70°
4
91°
65°
5
86°
64°
6
85°
67°
7
89°
71°
8
91°
72°
9
91°
72°
10
90°
71°
11
89°
70°
12
88°
69°
13
88°
68°
14
89°
69°
15
89°
69°
16
82°
65°
17
82°
69°
18
Hist. Avg.
85°
65°
19
Hist. Avg.
84°
65°
20
Hist. Avg.
84°
65°
21
Hist. Avg.
84°
64°
22
Hist. Avg.
84°
64°
23
Hist. Avg.
83°
64°
24
Hist. Avg.
83°
63°
25
Hist. Avg.
83°
63°
26
Hist. Avg.
82°
63°
27
Hist. Avg.
82°
62°
28
Hist. Avg.
82°
62°
29
Hist. Avg.
81°
62°
30
Hist. Avg.
81°
61°
1
Hist. Avg.
81°
61°
2
Hist. Avg.
80°
60°
3
Hist. Avg.
80°
60°
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 82° to 92°, with overnight lows between 64° and 73°. The average high for September is 89° with an average low of 69°. 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.
