S
M
T
W
T
F
S
30
71°
47°
31
72°
51°
1
74°
51°
2
73°
53°
3
74°
51°
4
73°
50°
5
69°
49°
6
72°
46°
7
65°
48°
8
72°
51°
9
72°
52°
10
71°
51°
11
72°
52°
12
72°
52°
13
71°
51°
14
70°
47°
15
68°
47°
16
68°
49°
17
67°
46°
18
65°
39°
19
65°
39°
20
59°
44°
21
65°
36°
22
59°
37°
23
59°
38°
24
62°
43°
25
59°
45°
26
65°
47°
27
64°
46°
28
64°
45°
29
58°
45°
30
60°
34°
1
60°
33°
2
54°
32°
3
52°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nashville
Nashville's September 2026 forecast shows daily high temperatures ranging from 52° to 74°, with overnight lows between 32° and 53°. The average high for September is 66° with an average low of 45°. 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 Nashville. See also: October | November | December.
