S
M
T
W
T
F
S
30
83°
68°
31
86°
68°
1
83°
70°
2
91°
74°
3
85°
71°
4
82°
71°
5
79°
71°
6
80°
69°
7
77°
68°
8
78°
71°
9
81°
66°
10
76°
64°
11
75°
64°
12
72°
61°
13
69°
61°
14
69°
60°
15
71°
56°
16
75°
62°
17
73°
61°
18
67°
60°
19
71°
61°
20
73°
60°
21
72°
60°
22
70°
58°
23
68°
58°
24
69°
57°
25
71°
57°
26
71°
53°
27
62°
49°
28
60°
46°
29
61°
48°
30
60°
45°
1
59°
50°
2
61°
54°
3
62°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Racine
Racine's September 2026 forecast shows daily high temperatures ranging from 59° to 91°, with overnight lows between 45° and 74°. The average high for September is 72° with an average low of 60°. 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 Racine. See also: October | November | December.
