S
M
T
W
T
F
S
30
90°
73°
31
89°
72°
1
91°
74°
2
88°
73°
3
88°
73°
4
89°
72°
5
88°
73°
6
88°
73°
7
92°
72°
8
91°
72°
9
92°
69°
10
88°
69°
11
88°
70°
12
87°
69°
13
89°
71°
14
90°
72°
15
89°
71°
16
88°
71°
17
90°
70°
18
90°
67°
19
89°
70°
20
86°
71°
21
87°
66°
22
86°
70°
23
89°
70°
24
89°
69°
25
88°
70°
26
88°
70°
27
87°
69°
28
86°
69°
29
88°
68°
30
88°
67°
1
85°
68°
2
86°
62°
3
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tallahassee
Tallahassee's September 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 62° and 74°. The average high for September is 88° with an average low of 70°. 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 Tallahassee. See also: October | November | December.
