S
M
T
W
T
F
S
30
93°
74°
31
93°
74°
1
92°
73°
2
92°
74°
3
91°
74°
4
89°
73°
5
88°
73°
6
89°
72°
7
89°
72°
8
88°
73°
9
91°
71°
10
88°
71°
11
89°
72°
12
91°
72°
13
91°
71°
14
90°
67°
15
88°
67°
16
85°
68°
17
86°
67°
18
90°
69°
19
90°
69°
20
89°
70°
21
90°
70°
22
88°
69°
23
87°
70°
24
88°
67°
25
86°
65°
26
87°
66°
27
86°
68°
28
88°
66°
29
88°
67°
30
87°
67°
1
88°
66°
2
88°
67°
3
87°
66°
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 85° to 93°, with overnight lows between 65° and 74°. The average high for September is 89° 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.
