S
M
T
W
T
F
S
30
70°
49°
31
69°
50°
1
70°
54°
2
70°
58°
3
71°
57°
4
78°
58°
5
78°
54°
6
73°
48°
7
70°
48°
8
70°
49°
9
71°
46°
10
68°
47°
11
68°
47°
12
69°
46°
13
70°
53°
14
74°
53°
15
70°
52°
16
66°
49°
17
67°
51°
18
66°
50°
19
69°
44°
20
66°
46°
21
67°
43°
22
69°
42°
23
64°
42°
24
64°
43°
25
65°
48°
26
65°
41°
27
63°
48°
28
65°
47°
29
62°
39°
30
61°
42°
1
61°
47°
2
68°
44°
3
64°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ulster Heights
Ulster Heights's September 2026 forecast shows daily high temperatures ranging from 61° to 78°, with overnight lows between 39° and 58°. The average high for September is 68° with an average low of 48°. 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 Ulster Heights. See also: October | November | December.
