S
M
T
W
T
F
S
30
81°
51°
31
72°
50°
1
72°
49°
2
71°
56°
3
73°
56°
4
77°
49°
5
71°
48°
6
70°
54°
7
74°
55°
8
73°
56°
9
77°
56°
10
78°
55°
11
76°
54°
12
70°
54°
13
Hist. Avg.
72°
50°
14
Hist. Avg.
72°
50°
15
Hist. Avg.
71°
49°
16
Hist. Avg.
71°
49°
17
Hist. Avg.
70°
48°
18
Hist. Avg.
70°
48°
19
Hist. Avg.
70°
48°
20
Hist. Avg.
69°
47°
21
Hist. Avg.
69°
47°
22
Hist. Avg.
68°
47°
23
Hist. Avg.
68°
46°
24
Hist. Avg.
68°
46°
25
Hist. Avg.
67°
46°
26
Hist. Avg.
67°
45°
27
Hist. Avg.
66°
45°
28
Hist. Avg.
66°
44°
29
Hist. Avg.
66°
44°
30
Hist. Avg.
65°
44°
1
Hist. Avg.
65°
43°
2
Hist. Avg.
64°
43°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in McGraw
McGraw's September 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 48° and 56°. The average high for September is 74° with an average low of 53°. 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 McGraw. See also: October | November | December.
