S
M
T
W
T
F
S
30
80°
63°
31
N/A
1
88°
69°
2
86°
70°
3
86°
66°
4
83°
58°
5
77°
58°
6
76°
58°
7
76°
58°
8
74°
57°
9
76°
58°
10
76°
55°
11
74°
56°
12
71°
56°
13
74°
54°
14
71°
59°
15
72°
59°
16
71°
60°
17
72°
52°
18
67°
49°
19
68°
50°
20
72°
57°
21
75°
58°
22
75°
58°
23
76°
57°
24
75°
55°
25
73°
54°
26
72°
54°
27
73°
55°
28
73°
55°
29
72°
52°
30
67°
48°
1
65°
47°
2
67°
52°
3
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in University Park
University Park's September 2026 forecast shows daily high temperatures ranging from 65° to 88°, with overnight lows between 47° and 70°. The average high for September is 74° with an average low of 56°. 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 University Park. See also: October | November | December.
