S
M
T
W
T
F
S
30
94°
65°
31
95°
71°
1
97°
70°
2
98°
71°
3
99°
72°
4
99°
72°
5
97°
74°
6
88°
69°
7
88°
62°
8
90°
72°
9
94°
72°
10
84°
65°
11
82°
64°
12
85°
64°
13
86°
65°
14
89°
67°
15
86°
62°
16
81°
60°
17
78°
56°
18
76°
55°
19
75°
54°
20
74°
51°
21
77°
54°
22
76°
59°
23
79°
58°
24
81°
60°
25
82°
60°
26
82°
59°
27
81°
59°
28
81°
58°
29
80°
59°
30
81°
58°
1
80°
55°
2
78°
47°
3
67°
45°
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 67° to 94°, with overnight lows between 45° and 72°. The average high for September is 81° with an average low of 59°. 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.
