S
M
T
W
T
F
S
30
82°
59°
31
82°
62°
1
80°
62°
2
82°
57°
3
81°
52°
4
74°
52°
5
73°
59°
6
76°
60°
7
80°
54°
8
74°
54°
9
72°
56°
10
73°
59°
11
75°
58°
12
80°
59°
13
79°
59°
14
80°
57°
15
79°
54°
16
73°
56°
17
71°
49°
18
73°
49°
19
69°
47°
20
68°
45°
21
66°
47°
22
68°
54°
23
69°
47°
24
70°
48°
25
71°
54°
26
72°
53°
27
73°
54°
28
74°
51°
29
73°
48°
30
70°
49°
1
67°
50°
2
72°
51°
3
65°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Simonton Lake
Simonton Lake's September 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 43° and 62°. The average high for September is 74° with an average low of 53°. 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 Simonton Lake. See also: October | November | December.
