S
M
T
W
T
F
S
30
95°
77°
31
95°
76°
1
94°
76°
2
94°
75°
3
93°
75°
4
93°
74°
5
94°
74°
6
94°
75°
7
93°
75°
8
94°
74°
9
93°
75°
10
94°
73°
11
91°
72°
12
92°
73°
13
93°
74°
14
95°
71°
15
93°
70°
16
91°
71°
17
92°
68°
18
91°
70°
19
92°
72°
20
91°
72°
21
91°
70°
22
90°
65°
23
85°
65°
24
85°
64°
25
84°
65°
26
85°
66°
27
89°
69°
28
91°
68°
29
90°
66°
30
90°
66°
1
91°
69°
2
89°
61°
3
89°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Memorial
Memorial's September 2026 forecast shows daily high temperatures ranging from 84° to 95°, with overnight lows between 61° and 77°. The average high for September is 91° 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 Memorial. See also: October | November | December.
