S
M
T
W
T
F
S
30
54°
38°
31
57°
35°
1
53°
39°
2
54°
36°
3
51°
35°
4
54°
36°
5
62°
41°
6
51°
33°
7
61°
45°
8
63°
46°
9
61°
36°
10
52°
37°
11
52°
35°
12
50°
38°
13
49°
37°
14
42°
29°
15
48°
37°
16
51°
34°
17
51°
36°
18
46°
35°
19
49°
35°
20
45°
33°
21
41°
32°
22
38°
30°
23
40°
30°
24
47°
32°
25
48°
32°
26
44°
29°
27
45°
28°
28
44°
30°
29
43°
29°
30
44°
30°
1
42°
29°
2
40°
29°
3
42°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort McPherson
Fort McPherson's September 2026 forecast shows daily high temperatures ranging from 38° to 63°, with overnight lows between 28° and 46°. The average high for September is 49° with an average low of 34°. 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 Fort McPherson. See also: October | November | December.
