S
M
T
W
T
F
S
30
84°
62°
31
84°
62°
1
83°
61°
2
84°
63°
3
84°
63°
4
83°
62°
5
83°
61°
6
82°
61°
7
83°
58°
8
75°
57°
9
77°
57°
10
79°
58°
11
81°
58°
12
77°
56°
13
69°
51°
14
66°
51°
15
67°
54°
16
69°
53°
17
68°
46°
18
80°
42°
19
81°
40°
20
74°
39°
21
63°
40°
22
67°
45°
23
68°
51°
24
71°
52°
25
74°
52°
26
74°
50°
27
73°
42°
28
72°
37°
29
59°
34°
30
57°
33°
1
56°
35°
2
59°
44°
3
60°
48°
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 56° to 84°, with overnight lows between 33° and 63°. The average high for September is 73° with an average low of 51°. 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.
