S
M
T
W
T
F
S
30
72°
46°
31
73°
47°
1
76°
46°
2
74°
37°
3
72°
36°
4
75°
41°
5
76°
44°
6
71°
42°
7
67°
35°
8
66°
33°
9
66°
37°
10
71°
40°
11
75°
39°
12
74°
39°
13
73°
41°
14
75°
43°
15
74°
39°
16
73°
37°
17
72°
39°
18
73°
38°
19
74°
39°
20
72°
41°
21
72°
42°
22
69°
41°
23
65°
39°
24
59°
38°
25
63°
38°
26
66°
36°
27
64°
38°
28
65°
39°
29
62°
39°
30
60°
34°
1
58°
33°
2
59°
28°
3
57°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jacob Lake
Jacob Lake's September 2026 forecast shows daily high temperatures ranging from 57° to 76°, with overnight lows between 28° and 47°. The average high for September is 69° with an average low of 39°. 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 Jacob Lake. See also: October | November | December.
