S
M
T
W
T
F
S
30
82°
67°
31
86°
68°
1
91°
74°
2
93°
74°
3
92°
75°
4
89°
72°
5
86°
71°
6
78°
55°
7
81°
58°
8
84°
69°
9
81°
63°
10
77°
51°
11
76°
57°
12
80°
63°
13
79°
58°
14
74°
53°
15
71°
53°
16
73°
55°
17
72°
52°
18
73°
53°
19
74°
49°
20
76°
56°
21
70°
54°
22
67°
53°
23
68°
54°
24
74°
54°
25
75°
53°
26
75°
53°
27
74°
52°
28
76°
54°
29
75°
55°
30
76°
54°
1
75°
51°
2
73°
46°
3
60°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dowagiac
Dowagiac's September 2026 forecast shows daily high temperatures ranging from 60° to 84°, with overnight lows between 42° and 69°. The average high for September is 75° with an average low of 54°. 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 Dowagiac. See also: October | November | December.
