S
M
T
W
T
F
S
30
84°
68°
31
87°
69°
1
88°
69°
2
90°
68°
3
83°
66°
4
83°
66°
5
80°
64°
6
79°
58°
7
77°
56°
8
76°
61°
9
78°
57°
10
73°
57°
11
71°
50°
12
69°
51°
13
70°
52°
14
73°
49°
15
76°
54°
16
76°
55°
17
74°
54°
18
74°
54°
19
75°
55°
20
76°
54°
21
76°
54°
22
75°
53°
23
75°
53°
24
74°
54°
25
75°
53°
26
75°
53°
27
74°
52°
28
74°
52°
29
73°
51°
30
72°
51°
1
71°
50°
2
72°
50°
3
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Erin Hills Golf Course
Erin Hills Golf Course's September 2026 forecast shows daily high temperatures ranging from 69° to 90°, with overnight lows between 49° and 69°. The average high for September is 76° with an average low of 55°. 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 Erin Hills Golf Course. See also: October | November | December.