S
M
T
W
T
F
S
30
75°
56°
31
79°
49°
1
75°
46°
2
71°
47°
3
72°
50°
4
75°
56°
5
79°
48°
6
78°
45°
7
71°
46°
8
71°
47°
9
75°
53°
10
73°
48°
11
71°
52°
12
69°
51°
13
70°
46°
14
69°
43°
15
67°
42°
16
68°
50°
17
68°
51°
18
74°
51°
19
75°
50°
20
76°
49°
21
73°
42°
22
68°
45°
23
65°
42°
24
64°
41°
25
63°
41°
26
66°
42°
27
64°
41°
28
Hist. Avg.
66°
41°
29
Hist. Avg.
65°
41°
30
Hist. Avg.
65°
40°
1
Hist. Avg.
64°
40°
2
Hist. Avg.
64°
40°
3
Hist. Avg.
63°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Big Rapids
Big Rapids's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 41° and 56°. The average high for September is 71° with an average low of 47°. 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 Big Rapids. See also: October | November | December.
