S
M
T
W
T
F
S
30
84°
75°
31
93°
73°
1
95°
70°
2
95°
72°
3
93°
72°
4
95°
72°
5
91°
72°
6
84°
68°
7
81°
68°
8
91°
68°
9
84°
64°
10
82°
59°
11
83°
67°
12
78°
56°
13
64°
57°
14
86°
65°
15
68°
57°
16
70°
62°
17
73°
57°
18
72°
56°
19
69°
52°
20
69°
54°
21
72°
57°
22
73°
57°
23
75°
55°
24
73°
51°
25
79°
60°
26
79°
59°
27
78°
59°
28
76°
58°
29
75°
57°
30
75°
53°
1
66°
53°
2
74°
55°
3
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Granger
Granger's September 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 51° and 67°. The average high for September is 74° with an average low of 57°. 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 Granger. See also: October | November | December.
