S
M
T
W
T
F
S
30
94°
71°
31
96°
72°
1
96°
74°
2
97°
73°
3
98°
74°
4
95°
74°
5
95°
73°
6
99°
74°
7
100°
72°
8
93°
72°
9
91°
71°
10
92°
71°
11
90°
72°
12
95°
71°
13
97°
72°
14
96°
71°
15
92°
70°
16
94°
67°
17
95°
70°
18
93°
68°
19
92°
64°
20
88°
65°
21
93°
70°
22
93°
69°
23
92°
68°
24
92°
68°
25
91°
67°
26
91°
68°
27
90°
67°
28
90°
67°
29
89°
66°
30
90°
67°
1
89°
61°
2
87°
58°
3
80°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mendenhall
Mendenhall's September 2026 forecast shows daily high temperatures ranging from 80° to 100°, with overnight lows between 56° and 72°. The average high for September is 92° with an average low of 68°. 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 Mendenhall. See also: October | November | December.
