S
M
T
W
T
F
S
30
93°
69°
31
91°
70°
1
92°
71°
2
91°
70°
3
92°
69°
4
89°
70°
5
89°
69°
6
91°
71°
7
92°
73°
8
92°
72°
9
91°
69°
10
92°
70°
11
92°
70°
12
91°
71°
13
91°
71°
14
90°
70°
15
91°
69°
16
90°
70°
17
90°
70°
18
89°
69°
19
88°
69°
20
89°
70°
21
90°
69°
22
86°
68°
23
89°
69°
24
87°
67°
25
89°
68°
26
88°
69°
27
89°
68°
28
Hist. Avg.
85°
68°
29
Hist. Avg.
85°
68°
30
Hist. Avg.
85°
67°
1
Hist. Avg.
84°
67°
2
Hist. Avg.
84°
67°
3
Hist. Avg.
84°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Callahan-Hilliard
Callahan-Hilliard's September 2026 forecast shows daily high temperatures ranging from 86° to 93°, with overnight lows between 67° and 73°. The average high for September is 90° 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 Callahan-Hilliard. See also: October | November | December.
