S
M
T
W
T
F
S
30
83°
68°
31
89°
66°
1
89°
67°
2
87°
65°
3
86°
69°
4
85°
64°
5
87°
63°
6
86°
63°
7
82°
63°
8
79°
62°
9
78°
56°
10
74°
51°
11
76°
57°
12
75°
58°
13
77°
57°
14
76°
56°
15
77°
53°
16
66°
51°
17
74°
54°
18
75°
55°
19
76°
55°
20
76°
56°
21
75°
56°
22
76°
53°
23
71°
48°
24
63°
44°
25
66°
51°
26
67°
52°
27
73°
52°
28
73°
51°
29
72°
52°
30
71°
52°
1
71°
50°
2
67°
49°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chippewa Falls
Chippewa Falls's September 2026 forecast shows daily high temperatures ranging from 63° to 89°, with overnight lows between 44° and 69°. The average high for September is 76° with an average low of 56°. 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 Chippewa Falls. See also: October | November | December.
