S
M
T
W
T
F
S
30
67°
46°
31
67°
47°
1
64°
46°
2
60°
40°
3
65°
45°
4
67°
46°
5
68°
45°
6
61°
40°
7
58°
45°
8
59°
44°
9
57°
42°
10
57°
40°
11
56°
39°
12
55°
36°
13
54°
35°
14
54°
34°
15
55°
34°
16
58°
42°
17
57°
42°
18
56°
41°
19
54°
41°
20
54°
38°
21
61°
43°
22
60°
32°
23
56°
36°
24
59°
41°
25
53°
36°
26
56°
30°
27
51°
29°
28
49°
31°
29
51°
33°
30
49°
32°
1
50°
32°
2
48°
33°
3
48°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Granisle
Granisle's September 2026 forecast shows daily high temperatures ranging from 48° to 68°, with overnight lows between 29° and 47°. The average high for September is 57° 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 Granisle. See also: October | November | December.
