S
M
T
W
T
F
S
30
98°
76°
31
95°
76°
1
88°
77°
2
97°
80°
3
87°
78°
4
92°
78°
5
93°
76°
6
89°
76°
7
98°
76°
8
95°
78°
9
91°
76°
10
90°
76°
11
95°
74°
12
99°
78°
13
95°
75°
14
98°
77°
15
98°
77°
16
96°
75°
17
90°
76°
18
94°
72°
19
95°
72°
20
97°
72°
21
97°
76°
22
99°
75°
23
99°
77°
24
97°
76°
25
93°
70°
26
89°
68°
27
91°
71°
28
91°
71°
29
90°
73°
30
88°
71°
1
87°
69°
2
85°
67°
3
84°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Caney
New Caney's September 2026 forecast shows daily high temperatures ranging from 84° to 91°, with overnight lows between 67° and 73°. The average high for September is 88° 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 New Caney. See also: October | November | December.
