S
M
T
W
T
F
S
30
97°
65°
31
98°
72°
1
100°
76°
2
99°
75°
3
98°
74°
4
100°
75°
5
100°
75°
6
101°
72°
7
99°
75°
8
97°
74°
9
97°
75°
10
98°
74°
11
95°
74°
12
95°
70°
13
91°
70°
14
90°
68°
15
84°
63°
16
83°
67°
17
84°
67°
18
82°
67°
19
83°
66°
20
86°
66°
21
87°
67°
22
87°
66°
23
86°
65°
24
86°
66°
25
83°
66°
26
80°
62°
27
75°
57°
28
75°
53°
29
73°
52°
30
74°
54°
1
78°
57°
2
79°
58°
3
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Garrett Grove
Garrett Grove's September 2026 forecast shows daily high temperatures ranging from 72° to 101°, with overnight lows between 52° and 75°. The average high for September is 87° with an average low of 66°. 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 Garrett Grove. See also: October | November | December.
