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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Des Moines, IA
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September
Average Temperature
High
25°
Feels 26
Low
14°
Feels 14
Average Precipitation
9 Days
Rain amount
72.4mm
Snow amount
0.1cm
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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
14
15
16
17
18
19
20
19°
21
16°
22
17°
23
18°
24
20°
25
20°
26
21°
27
20°
28
21°
29
21°
30
20°
Forecast
Sunday, September 20, 2026
Day
19°
Feels 19
Wind
21 km/h NE
Gust
32 km/h
Humidity
88%
P.O.P
40%
Rain
<1 mm
Night
14°
Feels 13
Wind
19 km/h E
Gust
29 km/h
Humidity
100%
P.O.P
80%
Rain
2-4 mm
Historical Averages
Sep 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.