S
M
T
W
T
F
S
30
93°
74°
31
92°
77°
1
93°
77°
2
93°
76°
3
92°
76°
4
92°
73°
5
93°
74°
6
92°
75°
7
91°
76°
8
88°
75°
9
90°
76°
10
91°
75°
11
91°
75°
12
90°
74°
13
90°
74°
14
91°
73°
15
88°
74°
16
87°
74°
17
87°
73°
18
86°
73°
19
87°
68°
20
85°
68°
21
84°
71°
22
86°
72°
23
89°
72°
24
86°
73°
25
88°
72°
26
87°
71°
27
89°
70°
28
88°
71°
29
87°
70°
30
87°
70°
1
Hist. Avg.
85°
68°
2
Hist. Avg.
85°
67°
3
Hist. Avg.
84°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kemah
Kemah's September 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 68° and 77°. The average high for September is 89° with an average low of 73°. 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 Kemah. See also: October | November | December.
