S
M
T
W
T
F
S
30
83°
66°
31
87°
66°
1
85°
65°
2
89°
65°
3
89°
63°
4
88°
61°
5
81°
65°
6
87°
64°
7
84°
60°
8
80°
58°
9
79°
63°
10
80°
64°
11
86°
63°
12
86°
63°
13
87°
62°
14
86°
62°
15
85°
61°
16
78°
60°
17
80°
53°
18
77°
53°
19
77°
50°
20
76°
50°
21
74°
51°
22
75°
56°
23
76°
55°
24
82°
58°
25
81°
59°
26
81°
57°
27
82°
58°
28
81°
55°
29
80°
54°
30
79°
53°
1
76°
52°
2
80°
54°
3
72°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Elsah
Elsah's September 2026 forecast shows daily high temperatures ranging from 72° to 89°, with overnight lows between 47° and 66°. The average high for September is 81° with an average low of 58°. 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 Elsah. See also: October | November | December.
