S
M
T
W
T
F
S
30
80°
60°
31
74°
60°
1
73°
56°
2
75°
53°
3
73°
56°
4
84°
61°
5
N/A
6
70°
48°
7
74°
55°
8
80°
57°
9
64°
49°
10
60°
48°
11
61°
50°
12
56°
46°
13
57°
45°
14
57°
45°
15
61°
47°
16
62°
49°
17
63°
48°
18
66°
45°
19
59°
46°
20
62°
45°
21
64°
47°
22
60°
44°
23
65°
45°
24
66°
47°
25
66°
46°
26
64°
41°
27
59°
38°
28
58°
38°
29
57°
37°
30
60°
45°
1
56°
39°
2
54°
37°
3
59°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Grainet
Grainet's September 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 37° and 57°. The average high for September is 62° with an average low of 45°. 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 Grainet. See also: October | November | December.
