S
M
T
W
T
F
S
30
89°
71°
31
89°
70°
1
88°
70°
2
90°
69°
3
91°
71°
4
90°
71°
5
88°
70°
6
88°
70°
7
89°
69°
8
91°
70°
9
92°
69°
10
91°
70°
11
92°
69°
12
91°
68°
13
89°
69°
14
90°
67°
15
87°
68°
16
86°
68°
17
90°
68°
18
90°
69°
19
Hist. Avg.
88°
67°
20
Hist. Avg.
88°
66°
21
Hist. Avg.
88°
66°
22
Hist. Avg.
87°
66°
23
Hist. Avg.
87°
66°
24
Hist. Avg.
87°
65°
25
Hist. Avg.
87°
65°
26
Hist. Avg.
87°
65°
27
Hist. Avg.
86°
64°
28
Hist. Avg.
86°
64°
29
Hist. Avg.
86°
64°
30
Hist. Avg.
86°
63°
1
Hist. Avg.
85°
63°
2
Hist. Avg.
85°
62°
3
Hist. Avg.
85°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sullivan Heights
Sullivan Heights's September 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 67° and 71°. The average high for September is 90° with an average low of 69°. 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 Sullivan Heights. See also: October | November | December.
