S
M
T
W
T
F
S
30
86°
65°
31
86°
65°
1
87°
64°
2
86°
63°
3
83°
61°
4
84°
64°
5
86°
64°
6
86°
63°
7
85°
64°
8
87°
64°
9
87°
63°
10
86°
64°
11
85°
64°
12
86°
63°
13
86°
64°
14
84°
56°
15
75°
55°
16
77°
60°
17
76°
56°
18
82°
52°
19
73°
51°
20
74°
51°
21
78°
52°
22
81°
52°
23
82°
54°
24
77°
50°
25
73°
57°
26
80°
56°
27
76°
56°
28
79°
53°
29
71°
47°
30
70°
46°
1
72°
50°
2
78°
50°
3
78°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Radcliff
Radcliff's September 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 46° and 65°. The average high for September is 81° 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 Radcliff. See also: October | November | December.
