S
M
T
W
T
F
S
30
99°
73°
31
99°
72°
1
97°
74°
2
97°
71°
3
81°
72°
4
95°
75°
5
95°
72°
6
96°
73°
7
97°
76°
8
99°
75°
9
98°
74°
10
98°
76°
11
100°
76°
12
101°
77°
13
101°
75°
14
97°
73°
15
95°
70°
16
95°
70°
17
96°
72°
18
95°
71°
19
93°
65°
20
90°
66°
21
94°
72°
22
94°
71°
23
93°
70°
24
92°
70°
25
87°
69°
26
91°
69°
27
91°
68°
28
90°
69°
29
91°
69°
30
87°
63°
1
82°
58°
2
80°
57°
3
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mexia
Mexia's September 2026 forecast shows daily high temperatures ranging from 80° to 101°, with overnight lows between 57° and 77°. The average high for September is 93° 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 Mexia. See also: October | November | December.
