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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Brookings, SD
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September
Average Temperature
High
23°
Feels 23
Low
10°
Feels 9
Average Precipitation
9 Days
Rain amount
61.3mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
22°
14
22°
15
20°
16
19°
17
23°
18
20°
19
21°
20
21°
21
22°
22
22°
23
23°
24
23°
25
24°
26
23°
27
22°
28
29
30
Forecast
Sunday, September 13, 2026
Day
22°
Feels 22
Wind
15 km/h N
Gust
23 km/h
Humidity
35%
P.O.P
40%
Rain
<1 mm
Night
13°
Feels 11
Wind
29 km/h SE
Gust
44 km/h
Humidity
88%
P.O.P
70%
Rain
<1 mm
Historical Averages
Sep 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.