S
M
T
W
T
F
S
30
101°
81°
31
102°
80°
1
104°
81°
2
102°
80°
3
94°
78°
4
99°
77°
5
101°
81°
6
100°
80°
7
102°
80°
8
102°
82°
9
101°
82°
10
101°
78°
11
102°
80°
12
102°
77°
13
101°
82°
14
101°
81°
15
103°
80°
16
100°
82°
17
100°
79°
18
98°
76°
19
98°
77°
20
99°
74°
21
96°
73°
22
91°
71°
23
91°
68°
24
93°
69°
25
89°
66°
26
86°
67°
27
87°
67°
28
89°
66°
29
89°
69°
30
90°
66°
1
84°
61°
2
79°
66°
3
82°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Garland
Garland's September 2026 forecast shows daily high temperatures ranging from 79° to 99°, with overnight lows between 61° and 77°. The average high for September is 90° with an average low of 69°. 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 Garland. See also: October | November | December.
