S
M
T
W
T
F
S
30
88°
67°
31
90°
70°
1
89°
69°
2
88°
63°
3
85°
61°
4
83°
60°
5
83°
62°
6
85°
65°
7
85°
65°
8
88°
67°
9
91°
68°
10
86°
61°
11
86°
61°
12
84°
67°
13
87°
59°
14
87°
58°
15
82°
57°
16
83°
58°
17
82°
57°
18
83°
58°
19
85°
59°
20
85°
60°
21
87°
63°
22
87°
63°
23
80°
62°
24
81°
61°
25
81°
59°
26
85°
60°
27
85°
59°
28
84°
60°
29
85°
60°
30
85°
59°
1
86°
59°
2
86°
58°
3
85°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Slabtown
Slabtown's September 2026 forecast shows daily high temperatures ranging from 80° to 91°, with overnight lows between 51° and 70°. The average high for September is 85° with an average low of 61°. 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 Slabtown. See also: October | November | December.