S
M
T
W
T
F
S
30
80°
50°
31
61°
53°
1
62°
56°
2
60°
54°
3
59°
54°
4
61°
51°
5
64°
53°
6
61°
54°
7
68°
56°
8
71°
58°
9
73°
55°
10
66°
56°
11
67°
55°
12
66°
54°
13
65°
54°
14
64°
55°
15
68°
52°
16
64°
51°
17
63°
50°
18
62°
49°
19
63°
49°
20
66°
54°
21
68°
55°
22
69°
55°
23
63°
51°
24
62°
48°
25
63°
50°
26
69°
53°
27
70°
55°
28
70°
55°
29
69°
54°
30
69°
54°
1
70°
55°
2
70°
55°
3
68°
54°
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 59° to 73°, with overnight lows between 48° and 58°. The average high for September is 66° with an average low of 53°. 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.
