S
M
T
W
T
F
S
30
58°
42°
31
57°
41°
1
56°
44°
2
60°
45°
3
56°
46°
4
56°
43°
5
59°
41°
6
56°
42°
7
55°
44°
8
55°
44°
9
56°
35°
10
54°
44°
11
53°
43°
12
59°
45°
13
58°
44°
14
60°
42°
15
57°
35°
16
53°
39°
17
54°
40°
18
52°
41°
19
55°
40°
20
54°
37°
21
55°
38°
22
52°
39°
23
52°
37°
24
Hist. Avg.
50°
35°
25
Hist. Avg.
49°
34°
26
Hist. Avg.
49°
34°
27
Hist. Avg.
48°
34°
28
Hist. Avg.
47°
33°
29
Hist. Avg.
47°
33°
30
Hist. Avg.
46°
32°
1
Hist. Avg.
46°
32°
2
Hist. Avg.
45°
31°
3
Hist. Avg.
44°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in McGrath
McGrath's September 2026 forecast shows daily high temperatures ranging from 52° to 60°, with overnight lows between 35° and 46°. The average high for September is 56° with an average low of 41°. 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 McGrath. See also: October | November | December.
