S
M
T
W
T
F
S
30
64°
53°
31
63°
53°
1
64°
50°
2
64°
48°
3
62°
52°
4
62°
53°
5
64°
52°
6
65°
51°
7
64°
48°
8
63°
50°
9
62°
48°
10
62°
49°
11
62°
51°
12
62°
50°
13
61°
50°
14
61°
47°
15
Hist. Avg.
60°
47°
16
Hist. Avg.
60°
47°
17
Hist. Avg.
59°
47°
18
Hist. Avg.
59°
46°
19
Hist. Avg.
59°
46°
20
Hist. Avg.
59°
46°
21
Hist. Avg.
59°
46°
22
Hist. Avg.
58°
46°
23
Hist. Avg.
58°
46°
24
Hist. Avg.
58°
45°
25
Hist. Avg.
58°
45°
26
Hist. Avg.
58°
45°
27
Hist. Avg.
57°
45°
28
Hist. Avg.
57°
45°
29
Hist. Avg.
57°
45°
30
Hist. Avg.
57°
44°
1
Hist. Avg.
56°
44°
2
Hist. Avg.
56°
44°
3
Hist. Avg.
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Elgin
Elgin's September 2026 forecast shows daily high temperatures ranging from 61° to 65°, with overnight lows between 47° and 53°. The average high for September is 63° with an average low of 50°. 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.
