S
M
T
W
T
F
S
30
78°
57°
31
79°
56°
1
73°
52°
2
79°
59°
3
84°
53°
4
79°
50°
5
76°
47°
6
76°
54°
7
79°
53°
8
79°
44°
9
73°
43°
10
68°
42°
11
68°
44°
12
70°
43°
13
69°
42°
14
67°
39°
15
64°
38°
16
64°
40°
17
65°
40°
18
65°
41°
19
66°
41°
20
66°
40°
21
71°
48°
22
74°
49°
23
75°
41°
24
72°
49°
25
69°
42°
26
70°
37°
27
62°
46°
28
64°
45°
29
61°
42°
30
62°
43°
1
63°
36°
2
60°
43°
3
59°
41°
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 59° to 84°, with overnight lows between 36° and 59°. The average high for September is 70° with an average low of 45°. 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.
