S
M
T
W
T
F
S
30
87°
68°
31
86°
65°
1
83°
62°
2
87°
66°
3
87°
71°
4
90°
72°
5
81°
68°
6
73°
68°
7
80°
67°
8
84°
67°
9
79°
59°
10
79°
54°
11
84°
60°
12
72°
57°
13
70°
49°
14
62°
49°
15
70°
49°
16
72°
60°
17
72°
60°
18
69°
59°
19
68°
56°
20
67°
55°
21
66°
53°
22
71°
52°
23
69°
53°
24
73°
51°
25
72°
53°
26
73°
53°
27
73°
51°
28
70°
45°
29
69°
51°
30
71°
47°
1
72°
50°
2
68°
50°
3
71°
49°
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 66° to 73°, with overnight lows between 45° and 60°. The average high for September is 70° with an average low of 52°. 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.
