S
M
T
W
T
F
S
31
64°
48°
1
68°
48°
2
64°
50°
3
63°
55°
4
61°
54°
5
61°
54°
6
63°
55°
7
66°
55°
8
70°
54°
9
63°
52°
10
63°
54°
11
63°
54°
12
64°
50°
13
64°
46°
14
64°
55°
15
64°
46°
16
79°
50°
17
68°
54°
18
61°
54°
19
59°
43°
20
59°
52°
21
63°
54°
22
64°
46°
23
72°
46°
24
64°
45°
25
59°
41°
26
66°
43°
27
66°
46°
28
64°
52°
29
61°
55°
30
63°
52°
1
63°
55°
2
63°
50°
3
57°
46°
4
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mapleton
Mapleton's September 2025 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 Mapleton. See also: October | November | December.