S
M
T
W
T
F
S
30
102°
76°
31
100°
75°
1
99°
77°
2
100°
76°
3
93°
76°
4
98°
76°
5
99°
74°
6
99°
76°
7
101°
78°
8
101°
77°
9
99°
76°
10
101°
78°
11
99°
78°
12
103°
75°
13
99°
71°
14
94°
72°
15
92°
69°
16
96°
67°
17
94°
67°
18
93°
68°
19
89°
61°
20
88°
62°
21
92°
68°
22
92°
67°
23
91°
66°
24
85°
66°
25
81°
65°
26
86°
65°
27
86°
64°
28
87°
65°
29
86°
65°
30
85°
57°
1
78°
53°
2
77°
54°
3
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Morgan
Morgan's September 2026 forecast shows daily high temperatures ranging from 77° to 103°, with overnight lows between 53° and 78°. The average high for September is 91° with an average low of 67°. 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 Morgan. See also: October | November | December.