S
M
T
W
T
F
S
30
80°
58°
31
78°
58°
1
78°
55°
2
77°
53°
3
78°
50°
4
78°
50°
5
76°
49°
6
67°
48°
7
67°
51°
8
66°
56°
9
66°
54°
10
67°
52°
11
67°
46°
12
65°
51°
13
65°
55°
14
66°
51°
15
64°
49°
16
63°
47°
17
65°
50°
18
69°
52°
19
73°
50°
20
72°
48°
21
69°
45°
22
62°
44°
23
62°
47°
24
63°
46°
25
60°
45°
26
61°
46°
27
61°
49°
28
62°
48°
29
60°
46°
30
59°
45°
1
60°
49°
2
63°
52°
3
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in University Place
University Place's September 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 44° and 58°. The average high for September is 67° with an average low of 50°. 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 Place. See also: October | November | December.
