S
M
T
W
T
F
S
30
78°
63°
31
85°
56°
1
83°
50°
2
83°
57°
3
86°
59°
4
79°
64°
5
76°
63°
6
84°
56°
7
80°
58°
8
73°
63°
9
75°
48°
10
76°
40°
11
83°
58°
12
70°
47°
13
66°
34°
14
62°
32°
15
68°
39°
16
71°
34°
17
69°
46°
18
59°
45°
19
61°
51°
20
62°
43°
21
62°
38°
22
65°
35°
23
69°
33°
24
66°
48°
25
72°
49°
26
68°
54°
27
62°
47°
28
71°
53°
29
65°
55°
30
69°
42°
1
67°
44°
2
66°
47°
3
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Little Round Lake
Little Round Lake's September 2026 forecast shows daily high temperatures ranging from 62° to 72°, with overnight lows between 41° and 55°. The average high for September is 67° with an average low of 48°. 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 Little Round Lake. See also: October | November | December.
