Iowa City weather in September
Warm and pleasant, with occasional showers. Average highs of 25°C and lows of 15°C, with around 9 rainy days expected throughout the month.
✦ This is a recommended month to visit Iowa City. The combination of weather, atmosphere and experience is at its best.
Average high
25°C
Average low
15°C
Rainy days
9 days
Best months to visit
June, July, August, September
What to do in Iowa City in September
Whatever the weather, Iowa City rewards curious visitors. Here are some of the best ways to spend your time:
Explore the Iowa City UNESCO City of Literature centers and bookstores
Tour the University of Iowa campus and museums
Paddle the Iowa River spotting turtles and muskrats
Visit the Old Capitol and admire its Greek Revival architecture
Attend literary readings and author events
Hike trails in nearby natural areas along the river
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
-1C
Cold, with occasional showers.
February
0C
Cold, with occasional showers.
March
9C
Cold, with some rainy days.
April
15C
Cool, with some rainy days.
May
22C
Mild and comfortable, with some rainy days.
Recommended
June
28C
Warm and pleasant, with some rainy days.
Recommended
July
28C
Warm and pleasant, with occasional showers.
Recommended
August
28C
Warm and pleasant, with occasional showers.
Recommended
September (you are here)
25C
Warm and pleasant, with occasional showers.
October
17C
Cool, with occasional showers.
November
9C
Cold, with occasional showers.
December
4C
Cold, with occasional showers.
Book your September trip to Iowa City
Find hotels, tours and experiences for the perfect escape.
