Iowa
September
Weather in Iowa for September 2024
Your guide to Iowa weather in September - trends and predictions
Until now, September 2024 in Iowa is slightly cooler than the historical average by -1.8 °F.
The forecast for the next days in Iowa predicts temperatures to be around 29 °F, close to the historical average.
In general, the average temperature in Iowa at the beginning of September is 31.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.1 °F by the end of September.
Iowa sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
31°/13°
Temperatures
21 km/h
Avg max wind
57 %
Avg humidity
Iowa in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | ||||||
| 2 33° | 3 34° | 4  34° | 5  35° | 6  27° | 7 26° | 8  30° |
| 9  33° | 10 32° | 11  30° | 12 30° | 13 28° | 14 30° | 15 30° |
| 16 29° | 17 27° | 18 30° | 19  35° | 20 32° | 21  35° | 22 26° |
| 23 28° | 24 26° | 25 26° | 26 28° | 27 24° | 28 28° | 29 30° |
| 30 28° |
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Temperatures trend during September in Iowa
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 31° /12° | 0 mm | 8 | |
| Sept. 2 | Sunny | 33° /12° | 0 mm | 9 | |
| Sept. 3 | Sunny | 34° /13° | 0 mm | 9 | |
| Sept. 4 | Mist | 34° /15° | 0 mm | 8 | |
| Sept. 5 | Thundery outbreaks possible | 35° /20° | 0.8 mm | 8 | |
| Sept. 6 | Overcast | 27° /13° | 0 mm | 6 | |
| Sept. 7 | Mist | 26° /7° | 0 mm | 7 | |
| Sept. 8 | Cloudy | 30° /10° | 0 mm | 7 | |
| Sept. 9 | Partly cloudy | 33° /11° | 0 mm | 8 | |
| Sept. 10 | Overcast | 32° /16° | 0.2 mm | 8 | |
| Sept. 11 | Heavy rain | 30° /15° | 13.5 mm | 7 | |
| Sept. 12 | Mist | 30° /13° | 0 mm | 7 | |
| Sept. 13 | Partly cloudy | 28° /14° | 0 mm | 7 | |
| Sept. 14 | Partly cloudy | 30° /12° | 0 mm | 8 | |
| Sept. 15 | Overcast | 30° /16° | 0 mm | 7 | |
| Sept. 16 | Fog | 29° /15° | 0.2 mm | 7 | |
| Sept. 17 | Cloudy | 27° /12° | 0 mm | 6 | |
| Sept. 18 | Partly cloudy | 30° /17° | 0 mm | 5 | |
| Sept. 19 | Moderate rain | 35° /18° | 19.3 mm | 6 | |
| Sept. 20 | Heavy rain | 32° /20° | 61.4 mm | 5 | |
| Sept. 21 | Patchy rain possible | 35° /15° | 4.1 mm | 5 | |
| Sept. 22 | Moderate rain | 26° /18° | 12.1 mm | 5 | |
| Sept. 23 | Moderate rain | 28° /18° | 6.7 mm | 5 | |
| Sept. 24 | Partly cloudy | 26° /14° | 0 mm | 5 | |
| Sept. 25 | Partly cloudy | 26° /14° | 0 mm | 5 | |
| Sept. 26 | Sunny | 28° /14° | 0 mm | 6 | |
| Sept. 27 | Sunny | 24° /14° | 0 mm | 5 | |
| Sept. 28 | Sunny | 28° /11° | 0 mm | 5 | |
| Sept. 29 | Sunny | 30° /17° | 0 mm | 6 | |
| Sept. 30 | Sunny | 28° /12° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Iowa in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Iowa forecast closer to your planned date for the most up-to-date weather information.
Iowa in September - FAQ
What are the expected maximum and minimum temperatures in Iowa during September?
Expect warm days with temperatures around 31°, cooling to mild conditions of 13° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Iowa during September?
Moderate rainfall is anticipated in Iowa during September, with a total of 58.7 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Iowa during September?
The average wind speed in Iowa during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
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