S
M
T
W
T
F
S
30
81°
58°
31
81°
66°
1
91°
69°
2
83°
69°
3
88°
66°
4
82°
68°
5
79°
62°
6
77°
56°
7
81°
54°
8
84°
63°
9
89°
71°
10
78°
61°
11
81°
55°
12
79°
60°
13
81°
60°
14
83°
61°
15
81°
62°
16
76°
50°
17
78°
54°
18
77°
55°
19
75°
52°
20
73°
50°
21
78°
56°
22
75°
55°
23
72°
54°
24
73°
54°
25
74°
53°
26
77°
53°
27
75°
51°
28
75°
53°
29
76°
54°
30
76°
53°
1
75°
52°
2
74°
51°
3
74°
48°
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 72° to 89°, with overnight lows between 48° and 71°. The average high for September is 77° with an average low of 55°. 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.
