S
M
T
W
T
F
S
30
95°
73°
31
94°
75°
1
94°
73°
2
94°
75°
3
85°
73°
4
90°
72°
5
92°
74°
6
92°
73°
7
89°
73°
8
91°
72°
9
92°
70°
10
90°
71°
11
92°
70°
12
88°
70°
13
89°
69°
14
90°
70°
15
89°
73°
16
90°
72°
17
86°
72°
18
85°
71°
19
87°
72°
20
85°
71°
21
86°
71°
22
84°
70°
23
85°
71°
24
86°
70°
25
88°
71°
26
84°
69°
27
83°
70°
28
86°
70°
29
83°
69°
30
82°
69°
1
82°
68°
2
83°
69°
3
82°
68°
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 82° to 94°, with overnight lows between 68° and 75°. The average high for September is 87° with an average low of 71°. 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.
