S
M
T
W
T
F
S
30
79°
65°
31
79°
64°
1
80°
66°
2
81°
67°
3
85°
66°
4
87°
65°
5
84°
66°
6
82°
65°
7
80°
64°
8
84°
63°
9
81°
64°
10
84°
64°
11
78°
63°
12
82°
63°
13
83°
62°
14
80°
63°
15
80°
62°
16
79°
62°
17
77°
61°
18
79°
61°
19
80°
60°
20
82°
61°
21
83°
54°
22
82°
56°
23
82°
49°
24
81°
48°
25
78°
48°
26
77°
56°
27
79°
60°
28
85°
58°
29
84°
59°
30
76°
55°
1
83°
54°
2
71°
56°
3
70°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Iberia
Iberia's September 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 48° and 67°. The average high for September is 80° 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 Iberia. See also: October | November | December.