S
M
T
W
T
F
S
30
91°
75°
31
93°
76°
1
92°
76°
2
92°
75°
3
91°
76°
4
92°
76°
5
92°
75°
6
91°
75°
7
91°
74°
8
90°
74°
9
91°
75°
10
90°
74°
11
88°
74°
12
90°
75°
13
91°
75°
14
92°
74°
15
91°
72°
16
88°
73°
17
89°
75°
18
91°
74°
19
90°
72°
20
89°
73°
21
89°
75°
22
90°
75°
23
88°
74°
24
88°
74°
25
86°
72°
26
88°
74°
27
86°
74°
28
87°
72°
29
88°
72°
30
87°
74°
1
88°
72°
2
89°
71°
3
88°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Downtown Orlando
Downtown Orlando's September 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 71° and 76°. The average high for September is 90° with an average low of 74°. 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 Downtown Orlando. See also: October | November | December.