S
M
T
W
T
F
S
30
100°
82°
31
100°
84°
1
99°
79°
2
97°
77°
3
90°
78°
4
96°
77°
5
99°
80°
6
100°
80°
7
102°
81°
8
101°
82°
9
100°
80°
10
97°
78°
11
96°
75°
12
94°
76°
13
95°
74°
14
90°
70°
15
94°
75°
16
94°
74°
17
93°
75°
18
93°
74°
19
92°
74°
20
92°
73°
21
91°
73°
22
89°
72°
23
89°
72°
24
91°
71°
25
91°
72°
26
90°
71°
27
91°
72°
28
91°
71°
29
90°
70°
30
90°
71°
1
89°
71°
2
89°
70°
3
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Farmers Branch
Farmers Branch's September 2026 forecast shows daily high temperatures ranging from 88° to 102°, with overnight lows between 70° and 82°. The average high for September is 93° 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 Farmers Branch. See also: October | November | December.
