S
M
T
W
T
F
S
30
93°
69°
31
87°
70°
1
92°
71°
2
93°
68°
3
86°
69°
4
86°
65°
5
89°
66°
6
89°
67°
7
88°
68°
8
88°
69°
9
89°
68°
10
90°
68°
11
90°
67°
12
89°
68°
13
91°
67°
14
91°
67°
15
90°
66°
16
91°
67°
17
87°
66°
18
86°
66°
19
84°
65°
20
82°
63°
21
85°
61°
22
87°
62°
23
85°
64°
24
87°
63°
25
88°
62°
26
85°
64°
27
87°
63°
28
86°
62°
29
83°
62°
30
80°
56°
1
79°
53°
2
78°
52°
3
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Slate Springs
Slate Springs's September 2026 forecast shows daily high temperatures ranging from 77° to 93°, with overnight lows between 51° and 71°. The average high for September is 87° with an average low of 64°. 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 Slate Springs. See also: October | November | December.