S
M
T
W
T
F
S
30
93°
63°
31
93°
71°
1
99°
69°
2
98°
70°
3
99°
71°
4
100°
72°
5
102°
72°
6
91°
71°
7
88°
61°
8
96°
59°
9
95°
74°
10
80°
72°
11
82°
70°
12
91°
68°
13
91°
66°
14
89°
64°
15
97°
66°
16
96°
70°
17
99°
71°
18
99°
69°
19
99°
68°
20
96°
66°
21
86°
65°
22
68°
60°
23
70°
62°
24
75°
59°
25
78°
54°
26
74°
60°
27
81°
48°
28
83°
44°
29
85°
46°
30
92°
56°
1
90°
66°
2
71°
54°
3
73°
52°
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 71° to 90°, with overnight lows between 52° and 66°. The average high for September is 78° 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 Eldorado. See also: October | November | December.