S
M
T
W
T
F
S
30
100°
73°
31
105°
81°
1
106°
76°
2
108°
76°
3
106°
81°
4
97°
78°
5
106°
76°
6
106°
77°
7
100°
75°
8
105°
76°
9
103°
77°
10
100°
75°
11
103°
75°
12
98°
78°
13
98°
79°
14
99°
78°
15
100°
76°
16
97°
76°
17
96°
74°
18
96°
73°
19
98°
73°
20
97°
72°
21
91°
70°
22
94°
71°
23
92°
69°
24
93°
70°
25
88°
66°
26
90°
70°
27
86°
71°
28
86°
71°
29
89°
71°
30
90°
70°
1
90°
71°
2
89°
70°
3
87°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Selma
Selma's September 2026 forecast shows daily high temperatures ranging from 86° to 100°, with overnight lows between 66° and 79°. The average high for September is 93° with an average low of 72°. 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 Selma. See also: October | November | December.