S
M
T
W
T
F
S
30
88°
67°
31
89°
67°
1
88°
66°
2
89°
66°
3
87°
64°
4
87°
66°
5
89°
66°
6
89°
65°
7
88°
65°
8
89°
66°
9
89°
66°
10
88°
65°
11
88°
66°
12
89°
65°
13
88°
65°
14
86°
56°
15
77°
60°
16
81°
61°
17
79°
56°
18
87°
60°
19
87°
61°
20
86°
60°
21
85°
58°
22
77°
59°
23
76°
58°
24
78°
58°
25
77°
57°
26
79°
58°
27
83°
58°
28
83°
57°
29
82°
57°
30
82°
55°
1
81°
45°
2
75°
44°
3
69°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eldorado
Eldorado's September 2026 forecast shows daily high temperatures ranging from 69° to 89°, with overnight lows between 44° and 67°. The average high for September is 84° with an average low of 60°. 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 Eldorado. See also: October | November | December.