S
M
T
W
T
F
S
30
77°
34°
31
75°
37°
1
64°
38°
2
63°
38°
3
66°
42°
4
62°
38°
5
66°
37°
6
69°
39°
7
68°
37°
8
70°
43°
9
71°
46°
10
68°
40°
11
75°
43°
12
76°
42°
13
72°
43°
14
71°
40°
15
75°
46°
16
74°
45°
17
73°
44°
18
72°
42°
19
69°
40°
20
69°
37°
21
70°
43°
22
72°
43°
23
72°
37°
24
62°
32°
25
59°
31°
26
59°
32°
27
58°
30°
28
59°
31°
29
60°
32°
30
61°
33°
1
59°
30°
2
59°
33°
3
62°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in June Lake
June Lake's September 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 30° and 46°. The average high for September is 67° with an average low of 38°. 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 June Lake. See also: October | November | December.