S
M
T
W
T
F
S
30
84°
62°
31
91°
61°
1
78°
59°
2
80°
57°
3
82°
59°
4
84°
57°
5
89°
61°
6
73°
56°
7
74°
57°
8
78°
58°
9
82°
60°
10
82°
60°
11
76°
59°
12
72°
60°
13
72°
58°
14
69°
58°
15
68°
56°
16
70°
55°
17
69°
57°
18
71°
54°
19
77°
56°
20
76°
55°
21
74°
54°
22
74°
54°
23
69°
53°
24
72°
54°
25
73°
53°
26
74°
52°
27
73°
50°
28
64°
49°
29
62°
43°
30
63°
42°
1
69°
50°
2
69°
46°
3
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rediu
Rediu's September 2026 forecast shows daily high temperatures ranging from 62° to 89°, with overnight lows between 42° and 61°. The average high for September is 72° with an average low of 54°. 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 Rediu. See also: October | November | December.