S
M
T
W
T
F
S
30
93°
72°
31
96°
73°
1
97°
73°
2
99°
74°
3
95°
74°
4
95°
73°
5
95°
74°
6
95°
73°
7
89°
72°
8
88°
71°
9
93°
72°
10
92°
71°
11
91°
69°
12
91°
70°
13
92°
72°
14
90°
70°
15
91°
68°
16
86°
65°
17
82°
68°
18
79°
68°
19
80°
67°
20
81°
68°
21
83°
68°
22
84°
67°
23
86°
67°
24
85°
66°
25
81°
67°
26
82°
66°
27
83°
60°
28
77°
57°
29
76°
56°
30
77°
56°
1
76°
59°
2
78°
61°
3
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Crestline Heights
Crestline Heights's September 2026 forecast shows daily high temperatures ranging from 76° to 95°, with overnight lows between 56° and 74°. The average high for September is 85° with an average low of 67°. 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 Crestline Heights. See also: October | November | December.
