S
M
T
W
T
F
S
30
84°
60°
31
89°
68°
1
91°
70°
2
93°
70°
3
93°
70°
4
88°
67°
5
81°
61°
6
79°
59°
7
81°
57°
8
76°
56°
9
76°
55°
10
82°
59°
11
78°
54°
12
76°
54°
13
75°
53°
14
76°
51°
15
78°
56°
16
77°
57°
17
78°
55°
18
73°
51°
19
77°
55°
20
79°
56°
21
79°
56°
22
78°
55°
23
79°
55°
24
79°
54°
25
78°
53°
26
76°
52°
27
77°
53°
28
77°
53°
29
76°
52°
30
75°
51°
1
74°
50°
2
74°
50°
3
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gratiot
Gratiot's September 2026 forecast shows daily high temperatures ranging from 73° to 93°, with overnight lows between 50° and 70°. The average high for September is 79° with an average low of 56°. 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 Gratiot. See also: October | November | December.
