S
M
T
W
T
F
S
30
76°
58°
31
78°
52°
1
78°
50°
2
73°
51°
3
74°
54°
4
77°
60°
5
81°
56°
6
81°
50°
7
73°
50°
8
73°
51°
9
75°
56°
10
73°
55°
11
74°
56°
12
71°
55°
13
72°
49°
14
70°
47°
15
69°
46°
16
70°
51°
17
70°
53°
18
75°
54°
19
77°
55°
20
78°
53°
21
75°
48°
22
74°
52°
23
68°
45°
24
74°
44°
25
65°
44°
26
66°
43°
27
Hist. Avg.
70°
49°
28
Hist. Avg.
70°
48°
29
Hist. Avg.
69°
48°
30
Hist. Avg.
69°
48°
1
Hist. Avg.
68°
47°
2
Hist. Avg.
68°
47°
3
Hist. Avg.
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Dowagiac
Dowagiac's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 43° and 60°. The average high for September is 74° with an average low of 51°. 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.
