S
M
T
W
T
F
S
31
82°
71°
1
86°
69°
2
90°
68°
3
88°
68°
4
94°
64°
5
91°
70°
6
81°
68°
7
82°
66°
8
82°
62°
9
85°
59°
10
88°
59°
11
90°
64°
12
91°
67°
13
90°
67°
14
90°
67°
15
90°
67°
16
91°
68°
17
91°
66°
18
90°
66°
19
92°
69°
20
90°
66°
21
91°
68°
22
93°
73°
23
94°
72°
24
81°
67°
25
82°
63°
26
84°
59°
27
84°
57°
28
84°
56°
29
85°
59°
30
89°
63°
1
88°
60°
2
93°
60°
3
91°
64°
4
87°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mexia
Mexia's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Mexia. See also: October | November | December.