S
M
T
W
T
F
S
30
96°
76°
31
96°
72°
1
95°
72°
2
95°
71°
3
94°
71°
4
96°
75°
5
95°
74°
6
96°
73°
7
94°
73°
8
93°
74°
9
95°
74°
10
94°
73°
11
95°
70°
12
89°
68°
13
91°
70°
14
90°
70°
15
92°
71°
16
87°
70°
17
89°
70°
18
90°
62°
19
88°
63°
20
83°
63°
21
83°
66°
22
84°
68°
23
88°
69°
24
89°
68°
25
90°
69°
26
91°
68°
27
89°
68°
28
90°
64°
29
90°
66°
30
89°
67°
1
88°
67°
2
Hist. Avg.
83°
61°
3
Hist. Avg.
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fort Worth
Fort Worth's September 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 62° and 76°. The average high for September is 91° 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 Fort Worth. See also: October | November | December.
