S
M
T
W
T
F
S
30
101°
74°
31
101°
76°
1
101°
74°
2
101°
78°
3
101°
76°
4
101°
74°
5
103°
74°
6
105°
72°
7
102°
73°
8
103°
77°
9
102°
78°
10
78°
66°
11
89°
65°
12
90°
70°
13
89°
67°
14
98°
72°
15
100°
77°
16
98°
74°
17
98°
75°
18
96°
74°
19
95°
75°
20
92°
71°
21
78°
66°
22
82°
63°
23
83°
62°
24
83°
58°
25
84°
64°
26
73°
65°
27
81°
65°
28
84°
62°
29
84°
64°
30
86°
69°
1
76°
67°
2
73°
61°
3
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Afton
Afton's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Afton. See also: October | November | December.