S
M
T
W
T
F
S
30
76°
56°
31
81°
57°
1
84°
59°
2
83°
61°
3
84°
62°
4
82°
53°
5
80°
57°
6
82°
60°
7
76°
58°
8
82°
60°
9
84°
59°
10
84°
59°
11
83°
58°
12
84°
60°
13
82°
58°
14
81°
58°
15
81°
57°
16
77°
58°
17
79°
54°
18
79°
50°
19
75°
47°
20
71°
48°
21
70°
47°
22
73°
45°
23
69°
46°
24
69°
53°
25
67°
54°
26
72°
53°
27
69°
54°
28
69°
55°
29
72°
53°
30
72°
42°
1
70°
41°
2
64°
40°
3
62°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Dundee
West Dundee's September 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 39° and 62°. The average high for September is 76° with an average low of 53°. 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 West Dundee. See also: October | November | December.
