S
M
T
W
T
F
S
30
82°
64°
31
88°
49°
1
92°
71°
2
91°
49°
3
92°
49°
4
92°
49°
5
92°
49°
6
92°
49°
7
92°
49°
8
92°
49°
9
92°
49°
10
92°
49°
11
92°
49°
12
92°
49°
13
92°
49°
14
92°
47°
15
92°
47°
16
92°
47°
17
92°
47°
18
87°
65°
19
87°
62°
20
87°
58°
21
64°
54°
22
64°
55°
23
64°
52°
24
69°
50°
25
69°
45°
26
68°
45°
27
69°
47°
28
70°
49°
29
73°
50°
30
70°
50°
1
71°
49°
2
72°
46°
3
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Elwood
Elwood's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 45° and 55°. The average high for September is 68° 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 Elwood. See also: October | November | December.
