S
M
T
W
T
F
S
30
77°
42°
31
78°
46°
1
77°
42°
2
76°
41°
3
75°
44°
4
78°
41°
5
77°
43°
6
74°
42°
7
76°
38°
8
74°
42°
9
77°
43°
10
76°
36°
11
73°
40°
12
75°
44°
13
72°
39°
14
69°
42°
15
71°
39°
16
Hist. Avg.
73°
39°
17
Hist. Avg.
73°
38°
18
Hist. Avg.
72°
38°
19
Hist. Avg.
72°
38°
20
Hist. Avg.
72°
37°
21
Hist. Avg.
71°
37°
22
Hist. Avg.
71°
36°
23
Hist. Avg.
70°
36°
24
Hist. Avg.
70°
36°
25
Hist. Avg.
69°
35°
26
Hist. Avg.
69°
35°
27
Hist. Avg.
68°
35°
28
Hist. Avg.
68°
34°
29
Hist. Avg.
68°
34°
30
Hist. Avg.
67°
34°
1
Hist. Avg.
67°
33°
2
Hist. Avg.
66°
33°
3
Hist. Avg.
66°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Slater
Slater's September 2026 forecast shows daily high temperatures ranging from 69° to 78°, with overnight lows between 36° and 46°. The average high for September is 75° with an average low of 41°. 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 Slater. See also: October | November | December.