S
M
T
W
T
F
S
30
96°
62°
31
99°
70°
1
100°
72°
2
100°
75°
3
102°
75°
4
100°
76°
5
102°
73°
6
100°
73°
7
98°
74°
8
98°
73°
9
97°
74°
10
96°
73°
11
93°
72°
12
92°
68°
13
88°
69°
14
89°
67°
15
83°
61°
16
79°
65°
17
80°
65°
18
81°
65°
19
80°
65°
20
83°
64°
21
85°
65°
22
86°
64°
23
85°
63°
24
84°
64°
25
82°
64°
26
81°
59°
27
74°
55°
28
73°
51°
29
72°
50°
30
72°
53°
1
74°
55°
2
75°
59°
3
71°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Halliday
Halliday's September 2026 forecast shows daily high temperatures ranging from 71° to 102°, with overnight lows between 50° and 76°. The average high for September is 86° with an average low of 65°. 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 Halliday. See also: October | November | December.
