Weather in Des Moines in September
In an average September, Des Moines sees a daily high around 77°F and a low around 57°F, based on 1980–2026 of local climate records.
| Average high | 77°F |
|---|---|
| Typical high range | 66°F to 88°F |
| Average low | 57°F |
| Typical low range | 47°F to 68°F |
| Average daily precipitation | 0.10 in |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
98°F
2013-09-09
Lowest
49°F
1985-09-30
Low
Highest
79°F
2011-09-02
Lowest
30°F
1984-09-29
Feels-like
Highest
132°F
2000-09-02
Lowest
21°F
1984-09-29
Humidity
Highest
20.9 g/m³
2000-09-02
Lowest
3.9 g/m³
1989-09-23
Wind
Highest
26 mph
1984-09-07
Lowest
3 mph
2009-09-23
Gust
Highest
50 mph
2006-09-22
Lowest
10 mph
1996-09-07
Precip
Wettest
7.68 in
2018
Driest
1.38 in
2012
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