S
M
T
W
T
F
S
30
90°
69°
31
92°
70°
1
91°
71°
2
91°
66°
3
90°
65°
4
88°
65°
5
89°
66°
6
89°
70°
7
91°
71°
8
95°
72°
9
95°
71°
10
96°
70°
11
95°
70°
12
90°
71°
13
93°
71°
14
96°
65°
15
89°
64°
16
88°
63°
17
87°
64°
18
88°
65°
19
88°
67°
20
89°
67°
21
87°
66°
22
86°
68°
23
87°
68°
24
87°
67°
25
86°
68°
26
85°
67°
27
86°
67°
28
86°
66°
29
87°
67°
30
85°
66°
1
84°
64°
2
87°
64°
3
90°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rio Medina
Rio Medina's September 2026 forecast shows daily high temperatures ranging from 84° to 96°, with overnight lows between 60° and 72°. The average high for September is 89° with an average low of 67°. 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 Rio Medina. See also: October | November | December.
