S
M
T
W
T
F
S
30
77°
54°
31
78°
55°
1
78°
54°
2
77°
46°
3
74°
44°
4
68°
48°
5
69°
53°
6
74°
49°
7
76°
46°
8
69°
45°
9
68°
46°
10
70°
51°
11
68°
53°
12
75°
52°
13
75°
50°
14
74°
47°
15
67°
42°
16
65°
44°
17
66°
44°
18
65°
40°
19
68°
40°
20
64°
38°
21
61°
44°
22
63°
48°
23
66°
42°
24
65°
40°
25
62°
47°
26
68°
47°
27
66°
46°
28
70°
39°
29
68°
41°
30
59°
45°
1
62°
42°
2
66°
44°
3
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bear Lake
Bear Lake's September 2026 forecast shows daily high temperatures ranging from 59° to 78°, with overnight lows between 36° and 55°. The average high for September is 69° 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 Bear Lake. See also: October | November | December.
