Linn County (Cedar Rapids)
September
Weather in Linn County, Iowa for September 2027
Your guide to Linn County weather in September - trends and predictions
The climate of Linn County in September is notably wet, with an average of 11 rainy days, and a total of 372 mm of precipitation.
Is September a good time to visit Linn County? check out the best time to travel to Linn County page.
✨ Is September a good time to visit Linn County? – Ask the AI Weatherman
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
25°/15°
Temperatures
17 km/h
Avg max wind
77 %
Avg humidity
Linn County Weather September
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Temperatures trend during September in Linn County
See the weather trend as well as the moving average line
September weather in Linn County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 30° /19° | 0 mm | 6 | |
| Sept. 2 |  Cloudy | 30° /18° | 0 mm | 7 | |
| Sept. 3 |  Moderate rain | 28° /17° | 12.7 mm | 6 | |
| Sept. 4 |  Mist | 28° /14° | 0 mm | 6 | |
| Sept. 5 |  Sunny | 28° /16° | 0 mm | 6 | |
| Sept. 6 | Overcast | 23° /13° | 0 mm | 4 | |
| Sept. 7 | Sunny | 24° /10° | 0 mm | 4 | |
| Sept. 8 | Cloudy | 28° /14° | 0 mm | 4 | |
| Sept. 9 |  Heavy rain | 28° /17° | 207.8 mm | 5 | |
| Sept. 10 |  Thundery outbreaks possible | 26° /14° | 0 mm | 7 | |
| Sept. 11 | Fog | 27° /14° | 0 mm | 7 | |
| Sept. 12 | Mist | 28° /15° | 0 mm | 6 | |
| Sept. 13 | Thundery outbreaks possible | 28° /17° | 2 mm | 6 | |
| Sept. 14 | Thundery outbreaks possible | 29° /16° | 0.8 mm | 5 | |
| Sept. 15 | Moderate rain | 26° /19° | 21.8 mm | 4 | |
| Sept. 16 |  Light rain | 25° /17° | 5.5 mm | 4 | |
| Sept. 17 | Light rain | 28° /17° | 4.5 mm | 5 | |
| Sept. 18 |  Patchy rain possible | 26° /17° | 2.1 mm | 4 | |
| Sept. 19 | Heavy rain | 26° /18° | 26.4 mm | 4 | |
| Sept. 20 | Heavy rain | 18° /15° | 54.4 mm | 3 | |
| Sept. 21 | Patchy rain possible | 20° /15° | 1.8 mm | 3 | |
| Sept. 22 | Light rain | 20° /13° | 8.3 mm | 4 | |
| Sept. 23 | Fog | 21° /13° | 0 mm | 5 | |
| Sept. 24 | Overcast | 21° /13° | 0.9 mm | 4 | |
| Sept. 25 | Light rain | 19° /12° | 3.8 mm | 3 | |
| Sept. 26 | Patchy rain possible | 23° /12° | 1.5 mm | 4 | |
| Sept. 27 | Patchy rain possible | 25° /12° | 2.2 mm | 5 | |
| Sept. 28 |  Partly cloudy | 24° /15° | 0 mm | 5.4 | |
| Sept. 29 | Fog | 27° /13° | 0.6 mm | 4 | |
| Sept. 30 | Moderate rain | 24° /16° | 14.9 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Linn County 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 Linn County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Linn County in September - FAQ
What are the expected maximum and minimum temperatures in Linn County during September?
During September, expect a variety of temperatures with highs around 25° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Linn County during September?
Significant rainfall exceeding 372 mm is expected in Linn County during September, occurring over more than 11 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Linn County during September?
The average wind speed in Linn County during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Linn County
Explore the daily rainfall trends and prepare for Linn Countys September weather 💧
Typically, Linn County has 11 rainy days in September with a total of 372 mm of rainfall.
UV exposure in Linn County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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