S
M
T
W
T
F
S
30
75°
65°
31
85°
68°
1
82°
82°
2
93°
93°
3
77°
70°
4
74°
66°
5
79°
60°
6
78°
57°
7
79°
53°
8
83°
54°
9
76°
68°
10
70°
70°
11
77°
53°
12
82°
58°
13
77°
53°
14
70°
70°
15
81°
57°
16
72°
63°
17
71°
58°
18
75°
57°
19
67°
62°
20
68°
54°
21
67°
56°
22
71°
54°
23
70°
52°
24
71°
53°
25
73°
50°
26
74°
51°
27
73°
53°
28
75°
51°
29
72°
45°
30
72°
51°
1
74°
51°
2
68°
50°
3
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in River Raisin
River Raisin's September 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 45° and 63°. The average high for September is 71° with an average low of 53°. 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 River Raisin. See also: October | November | December.
