S
M
T
W
T
F
S
30
72°
63°
31
81°
52°
1
79°
46°
2
78°
48°
3
80°
50°
4
68°
53°
5
72°
59°
6
82°
51°
7
78°
62°
8
77°
63°
9
70°
48°
10
76°
40°
11
77°
51°
12
64°
41°
13
62°
33°
14
56°
29°
15
63°
38°
16
66°
47°
17
66°
42°
18
62°
48°
19
67°
43°
20
65°
47°
21
67°
44°
22
67°
47°
23
68°
45°
24
69°
44°
25
72°
50°
26
70°
52°
27
70°
52°
28
67°
47°
29
61°
39°
30
62°
45°
1
65°
45°
2
56°
42°
3
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Side Lake
Side Lake's September 2026 forecast shows daily high temperatures ranging from 56° to 72°, with overnight lows between 39° and 52°. The average high for September is 66° with an average low of 46°. 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 Side Lake. See also: October | November | December.
