S
M
T
W
T
F
S
30
93°
69°
31
82°
61°
1
78°
57°
2
89°
63°
3
92°
71°
4
90°
64°
5
89°
70°
6
81°
66°
7
79°
65°
8
84°
59°
9
76°
52°
10
83°
47°
11
87°
61°
12
69°
50°
13
70°
47°
14
67°
53°
15
69°
48°
16
71°
45°
17
70°
58°
18
63°
59°
19
60°
58°
20
65°
54°
21
55°
51°
22
63°
52°
23
69°
55°
24
62°
59°
25
64°
60°
26
65°
58°
27
69°
59°
28
69°
57°
29
63°
47°
30
62°
45°
1
64°
48°
2
66°
47°
3
62°
40°
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 62° to 69°, with overnight lows between 40° and 60°. The average high for September is 65° 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.
