S
M
T
W
T
F
S
30
101°
75°
31
100°
75°
1
100°
75°
2
100°
74°
3
90°
75°
4
99°
75°
5
99°
73°
6
100°
74°
7
101°
73°
8
100°
76°
9
99°
77°
10
98°
73°
11
99°
73°
12
100°
73°
13
100°
75°
14
99°
76°
15
98°
75°
16
98°
75°
17
96°
71°
18
97°
75°
19
96°
71°
20
90°
68°
21
88°
66°
22
89°
66°
23
88°
68°
24
91°
67°
25
90°
68°
26
85°
63°
27
87°
68°
28
86°
68°
29
87°
67°
30
88°
68°
1
88°
67°
2
87°
67°
3
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Waxahachie
Waxahachie's September 2026 forecast shows daily high temperatures ranging from 85° to 100°, with overnight lows between 63° and 76°. The average high for September is 91° 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 Waxahachie. See also: October | November | December.