S
M
T
W
T
F
S
30
90°
67°
31
87°
66°
1
85°
65°
2
85°
61°
3
84°
61°
4
84°
60°
5
85°
61°
6
87°
61°
7
87°
65°
8
88°
62°
9
85°
61°
10
88°
63°
11
88°
64°
12
86°
64°
13
88°
63°
14
88°
63°
15
87°
62°
16
88°
63°
17
87°
62°
18
85°
62°
19
84°
61°
20
84°
61°
21
85°
60°
22
85°
59°
23
80°
59°
24
79°
60°
25
Hist. Avg.
84°
62°
26
Hist. Avg.
83°
62°
27
Hist. Avg.
83°
62°
28
Hist. Avg.
82°
61°
29
Hist. Avg.
82°
61°
30
Hist. Avg.
82°
61°
1
Hist. Avg.
82°
60°
2
Hist. Avg.
81°
60°
3
Hist. Avg.
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Morris
Morris's September 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 59° and 67°. The average high for September is 86° with an average low of 62°. 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 Morris. See also: October | November | December.