Iowa weather in September
Are you planning a trip to Iowa in September and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Iowa in September?
Iowa is a region in the United States of America. September in Iowa generally has warm temperatures, with precipitation levels ranging from moderate to high.
The average maximum temperatures are warm and range from 23°C in Mason City to 26°C in Keokuk. Nighttime temperatures generally drop to 14°C in Keokuk and 10°C in Mason City.
In September, precipitation varies across different areas. From moderate rainfall in Sioux City with an average of 70 mm to high rainfall in Ames with 106 mm. Meanwhile, Des Moines enjoys approximately 240 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.
To learn more about the conditions in specific areas of Iowa in September, check out the map below. For more details on the yearly weather, visit our Iowa climate page.
Where to go in Iowa in September
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Popular destinations in Iowa
What is the weather like in September for the 5 most popular destinations in Iowa?
Average weather in Des Moines
In September Des Moines generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in West Des Moines
In September West Des Moines generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Ames
In September Ames generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 11°C and high monthly rainfall. So on average the conditions are pleasant that month.
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Average weather in Urbandale
In September Urbandale generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 13°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Average weather in Ankeny
In September Ankeny generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 12°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in Iowa, in the United States of America.
Is September the best time to visit Iowa?
We believe that September is one of the best times to visit Iowa with overall perfect weather in Des Moines.
Generally speaking, the best visiting conditions can be found in September offering mostly perfect weather in Des Moines. On the other hand, the weather in January, February, March, November and December tend to be poor.
Interested in more climate information?
We have much more information about the climate in Iowa.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.