S
M
T
W
T
F
S
30
86°
72°
31
91°
73°
1
97°
72°
2
95°
72°
3
95°
73°
4
95°
72°
5
93°
72°
6
84°
70°
7
81°
66°
8
93°
66°
9
79°
68°
10
81°
61°
11
81°
57°
12
81°
57°
13
70°
57°
14
75°
71°
15
75°
60°
16
74°
66°
17
78°
66°
18
77°
62°
19
74°
58°
20
72°
55°
21
72°
53°
22
73°
52°
23
76°
52°
24
75°
54°
25
75°
50°
26
80°
58°
27
79°
57°
28
75°
57°
29
73°
57°
30
74°
56°
1
77°
55°
2
76°
54°
3
76°
53°
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 70° to 81°, with overnight lows between 50° and 71°. The average high for September is 75° with an average low of 57°. 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.