Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Iowa City Weather in September
With daytime temperatures of 25°C (77°F) and nighttime lows of 12°C (54°F), September in Iowa City brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 81 mm (3.2 in) falls on average.
Rainfall in Iowa City in September
You can typically expect 7 days of rain this month, averaging around 81 mm (3.2 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Iowa City in September
The temperature in Iowa City in September is excellent. Daytime highs reach 25°C (77°F), with nights dropping to 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Iowa City.
Iowa City Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
25°C (77°F)
Chance of Rain
24%
Precipitation
81 mm (3.2 in)
Rainy days
7 days
Iowa City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Iowa City - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Iowa City in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Iowa City in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Iowa City 3-Day Forecast
More climate data for Iowa City
See the full Iowa City climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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