S
M
T
W
T
F
S
31
72°
54°
1
70°
59°
2
68°
52°
3
60°
44°
4
66°
48°
5
68°
46°
6
68°
46°
7
70°
58°
8
69°
48°
9
70°
44°
10
68°
54°
11
64°
46°
12
65°
48°
13
60°
46°
14
61°
40°
15
61°
52°
16
63°
48°
17
65°
47°
18
66°
54°
19
66°
53°
20
59°
49°
21
55°
43°
22
59°
42°
23
59°
45°
24
63°
35°
25
65°
43°
26
65°
47°
27
63°
51°
28
58°
40°
29
60°
33°
30
68°
48°
1
69°
55°
2
65°
56°
3
60°
50°
4
54°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Elgin
Elgin's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Elgin. See also: October | November | December.
