Weather in Des Moines, Iowa, United States in September
In an average September, Des Moines sees a daily high around 78°F and a low around 55°F, based on 1981–2026 of local climate records.
| Average high | 78°F |
|---|---|
| Typical high range | 66°F to 89°F |
| Average low | 55°F |
| Typical low range | 45°F to 66°F |
| Average daily precipitation | 0.10 in |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
101°F
2013-09-09
Lowest
45°F
1985-09-29
Low
Highest
74°F
1985-09-07
Lowest
30°F
1984-09-29
Feels-like
Highest
136°F
2000-09-02
Lowest
22°F
1995-09-22
Humidity
Highest
21.8 g/m³
2014-09-04
Lowest
3.6 g/m³
1984-09-29
Wind
Highest
32 mph
1984-09-07
Lowest
4 mph
1996-09-07
Precip
Wettest
7.85 in
1992
Driest
1.13 in
1998
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