S
M
T
W
T
F
S
30
75°
55°
31
77°
60°
1
81°
60°
2
76°
59°
3
82°
59°
4
81°
51°
5
76°
53°
6
75°
51°
7
75°
53°
8
82°
57°
9
81°
57°
10
81°
54°
11
74°
48°
12
74°
53°
13
77°
50°
14
79°
48°
15
72°
52°
16
71°
53°
17
70°
50°
18
71°
47°
19
77°
45°
20
71°
52°
21
75°
47°
22
73°
52°
23
76°
50°
24
77°
51°
25
77°
52°
26
76°
52°
27
75°
51°
28
76°
51°
29
75°
46°
30
70°
48°
1
74°
51°
2
75°
46°
3
74°
41°
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 70° to 82°, with overnight lows between 41° and 60°. The average high for September is 76° with an average low of 52°. 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.
