S
M
T
W
T
F
S
30
99°
64°
31
100°
68°
1
101°
72°
2
100°
72°
3
100°
73°
4
101°
74°
5
103°
73°
6
103°
75°
7
100°
73°
8
104°
69°
9
103°
75°
10
98°
73°
11
86°
70°
12
98°
70°
13
97°
71°
14
96°
73°
15
100°
74°
16
98°
72°
17
99°
71°
18
99°
69°
19
97°
70°
20
94°
73°
21
86°
64°
22
85°
66°
23
83°
66°
24
84°
63°
25
87°
64°
26
85°
65°
27
86°
65°
28
85°
65°
29
84°
65°
30
85°
64°
1
85°
65°
2
84°
65°
3
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hillcrest
Hillcrest's September 2026 forecast shows daily high temperatures ranging from 83° to 100°, with overnight lows between 63° and 74°. The average high for September is 89° 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 Hillcrest. See also: October | November | December.
