S
M
T
W
T
F
S
30
74°
59°
31
68°
58°
1
81°
64°
2
80°
62°
3
80°
66°
4
77°
57°
5
73°
55°
6
72°
49°
7
73°
48°
8
77°
50°
9
74°
57°
10
78°
61°
11
71°
49°
12
78°
67°
13
79°
55°
14
65°
48°
15
70°
60°
16
75°
61°
17
76°
61°
18
73°
55°
19
71°
54°
20
68°
53°
21
69°
49°
22
68°
50°
23
70°
50°
24
68°
51°
25
68°
48°
26
66°
52°
27
71°
53°
28
72°
53°
29
69°
50°
30
65°
51°
1
68°
53°
2
70°
52°
3
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mapleton
Mapleton's September 2026 forecast shows daily high temperatures ranging from 65° to 79°, with overnight lows between 48° and 67°. The average high for September is 70° 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 Mapleton. See also: October | November | December.
