S
M
T
W
T
F
S
30
70°
64°
31
82°
65°
1
90°
62°
2
75°
59°
3
71°
53°
4
72°
59°
5
70°
53°
6
71°
49°
7
82°
58°
8
72°
64°
9
81°
64°
10
66°
53°
11
80°
53°
12
76°
60°
13
62°
49°
14
68°
43°
15
75°
57°
16
64°
44°
17
69°
50°
18
62°
46°
19
65°
50°
20
61°
45°
21
57°
40°
22
60°
44°
23
61°
45°
24
63°
47°
25
66°
49°
26
65°
51°
27
63°
50°
28
62°
52°
29
63°
51°
30
62°
50°
1
60°
43°
2
55°
49°
3
57°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Grand Island Township
Grand Island Township's September 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 40° and 52°. The average high for September is 61° 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 Grand Island Township. See also: October | November | December.
