S
M
T
W
T
F
S
30
84°
59°
31
83°
57°
1
80°
56°
2
79°
58°
3
80°
58°
4
80°
59°
5
86°
62°
6
80°
64°
7
85°
62°
8
83°
56°
9
78°
55°
10
78°
54°
11
77°
55°
12
76°
54°
13
77°
55°
14
76°
54°
15
77°
55°
16
76°
58°
17
76°
54°
18
78°
57°
19
81°
60°
20
80°
58°
21
Hist. Avg.
78°
54°
22
Hist. Avg.
78°
54°
23
Hist. Avg.
78°
53°
24
Hist. Avg.
77°
53°
25
Hist. Avg.
77°
52°
26
Hist. Avg.
77°
52°
27
Hist. Avg.
76°
51°
28
Hist. Avg.
76°
51°
29
Hist. Avg.
76°
51°
30
Hist. Avg.
75°
50°
1
Hist. Avg.
75°
50°
2
Hist. Avg.
74°
49°
3
Hist. Avg.
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Radcliff
Radcliff's September 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 54° and 64°. The average high for September is 80° 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.
