S
M
T
W
T
F
S
30
83°
58°
31
65°
51°
1
67°
48°
2
68°
46°
3
71°
47°
4
65°
57°
5
58°
53°
6
56°
52°
7
58°
52°
8
61°
49°
9
61°
48°
10
71°
53°
11
63°
51°
12
62°
48°
13
69°
59°
14
66°
55°
15
67°
56°
16
66°
55°
17
63°
53°
18
62°
53°
19
63°
51°
20
63°
51°
21
62°
47°
22
61°
52°
23
62°
51°
24
63°
50°
25
59°
50°
26
65°
49°
27
57°
49°
28
58°
50°
29
64°
50°
30
64°
49°
1
65°
50°
2
64°
49°
3
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eldon
Eldon's September 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 47° and 59°. The average high for September is 63° with an average low of 51°. 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 Eldon. See also: October | November | December.