S
M
T
W
T
F
S
30
89°
65°
31
86°
75°
1
95°
73°
2
81°
71°
3
89°
74°
4
90°
72°
5
83°
67°
6
82°
63°
7
82°
61°
8
84°
60°
9
86°
67°
10
91°
76°
11
81°
65°
12
82°
64°
13
90°
72°
14
80°
62°
15
78°
62°
16
81°
67°
17
85°
73°
18
85°
64°
19
77°
67°
20
83°
69°
21
81°
69°
22
74°
61°
23
73°
59°
24
72°
59°
25
76°
60°
26
77°
59°
27
76°
60°
28
75°
58°
29
79°
61°
30
75°
59°
1
72°
61°
2
74°
61°
3
78°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Middle River
Middle River's September 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 58° and 73°. The average high for September is 77° 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 Middle River. See also: October | November | December.
