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Hourly Forecast
Daylight Hours
07:01
Sunrise
19:16
Sunset
Moon
Waxing Crescent
11:56
Moonrise
20:48
Moonset
Daily Forecast
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Weather in Des Moines today, September 15, 2026
Conditions in Des Moines on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Expect a grey start, with morning cloud around 100% by 06:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 18°C toward a daytime high of about 23°C. Moisture in the air spans 74%-98%, with the highest values around 06:00. Winds stay light, near 4.7 km/h by 14:00, so the day feels still more than breezy.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 13.8 km, though it can fall to 0.9 km. Daylight runs from 07:01 to 19:16, lasting 12 hours 15 minutes of sunlight today.
The practical takeaway for Des Moines is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 23°C.
Frequently asked questions about weather in Des Moines
How warm does it get in Des Moines?
The warmest month in Des Moines is July, with average high temperatures of 30°C. The average temperature during this period is around 25°C.
How cold does it get in Des Moines?
The coldest month in Des Moines is January, with average low temperatures of -8°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Des Moines?
The wettest month in Des Moines is May, with an average of 143mm of precipitation.
What is the driest time of year in Des Moines?
The driest month in Des Moines is February, with an average of 32mm of precipitation.
