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
80°
66°
8
95°
70°
9
83°
57°
10
81°
60°
11
84°
63°
12
80°
61°
13
80°
66°
14
78°
57°
15
72°
54°
16
75°
56°
17
77°
57°
18
74°
56°
19
71°
55°
20
75°
53°
21
79°
59°
22
79°
58°
23
77°
59°
24
77°
60°
25
75°
59°
26
74°
59°
27
77°
58°
28
76°
59°
29
73°
58°
30
74°
55°
1
72°
50°
2
63°
46°
3
62°
43°
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 62° to 95°, with overnight lows between 43° and 70°. The average high for September is 76° with an average low of 58°. 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.
