S
M
T
W
T
F
S
30
71°
48°
31
N/A
1
71°
54°
2
64°
48°
3
61°
48°
4
66°
50°
5
71°
47°
6
76°
46°
7
74°
47°
8
73°
46°
9
77°
48°
10
78°
48°
11
77°
46°
12
75°
46°
13
72°
45°
14
73°
44°
15
74°
44°
16
67°
45°
17
66°
45°
18
66°
40°
19
67°
46°
20
65°
41°
21
65°
39°
22
66°
40°
23
64°
39°
24
63°
38°
25
64°
38°
26
68°
39°
27
70°
47°
28
63°
44°
29
64°
39°
30
71°
44°
1
66°
46°
2
62°
45°
3
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Morton
Morton's September 2026 forecast shows daily high temperatures ranging from 61° to 78°, with overnight lows between 38° and 54°. The average high for September is 69° with an average low of 44°. 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 Morton. See also: October | November | December.
