S
M
T
W
T
F
S
30
71°
58°
31
70°
59°
1
71°
60°
2
75°
60°
3
75°
59°
4
77°
59°
5
73°
57°
6
70°
58°
7
69°
54°
8
71°
57°
9
72°
57°
10
74°
56°
11
76°
57°
12
78°
57°
13
78°
56°
14
77°
55°
15
67°
52°
16
65°
54°
17
66°
54°
18
71°
53°
19
71°
55°
20
66°
54°
21
75°
48°
22
74°
47°
23
73°
48°
24
74°
43°
25
75°
43°
26
69°
50°
27
74°
51°
28
74°
52°
29
76°
36°
30
72°
35°
1
60°
38°
2
63°
43°
3
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Brookings
Brookings's September 2026 forecast shows daily high temperatures ranging from 60° to 78°, with overnight lows between 35° and 60°. The average high for September is 72° with an average low of 52°. 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 Brookings. See also: October | November | December.
