S
M
T
W
T
F
S
30
94°
68°
31
93°
65°
1
93°
59°
2
84°
58°
3
84°
64°
4
91°
68°
5
92°
65°
6
93°
66°
7
92°
64°
8
90°
65°
9
91°
61°
10
89°
56°
11
81°
57°
12
83°
62°
13
87°
63°
14
88°
63°
15
88°
62°
16
83°
55°
17
85°
51°
18
79°
50°
19
76°
52°
20
77°
52°
21
78°
59°
22
81°
61°
23
85°
61°
24
84°
58°
25
85°
49°
26
80°
50°
27
74°
48°
28
73°
49°
29
72°
49°
30
72°
48°
1
Hist. Avg.
77°
50°
2
Hist. Avg.
77°
50°
3
Hist. Avg.
76°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in McPherson
McPherson's September 2026 forecast shows daily high temperatures ranging from 72° to 94°, with overnight lows between 48° and 68°. The average high for September is 84° with an average low of 58°. 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 McPherson. See also: October | November | December.
