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
83°
58°
11
82°
65°
12
79°
56°
13
69°
62°
14
86°
66°
15
72°
57°
16
68°
57°
17
73°
57°
18
72°
58°
19
72°
55°
20
72°
54°
21
71°
55°
22
70°
56°
23
74°
52°
24
77°
60°
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 66° to 86°, with overnight lows between 52° and 66°. The average high for September is 75° 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.
