Johnson County
September
Weather in Johnson County for September 2024
Your guide to Johnson County weather in September - trends and predictions
Until now, September 2024 in Johnson County is slightly cooler than the historical average by -1.5 °F.
Expect cooler weather in the next days in Johnson County with the forecast suggesting a temperature of 26.4 °F, lower than the historical average.
In general, the average temperature in Johnson County at the beginning of September is 33.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °F by the end of September.
Johnson County sees moderate rainfall in September, averaging 9 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
21
Dry days
9
Rainy days
0
Snow days
32°/17°
Temperatures
19 km/h
Avg max wind
52 %
Avg humidity
Johnson County in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  34° | ||||||
| 2 33° | 3 35° | 4  36° | 5  38° | 6 30° | 7 30° | 8  31° |
| 9  32° | 10  34° | 11  29° | 12  31° | 13 28° | 14 31° | 15 31° |
| 16 29° | 17 30° | 18 33° | 19  38° | 20 36° | 21 34° | 22 28° |
| 23 20° | 24 24° | 25 25° | 26 25° | 27 27° | 28 23° | 29 22° |
| 30 24° |
You can click on date
Access Johnson County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Johnson County
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 34° /17° | 0 mm | 9 | |
| Sept. 2 | Sunny | 33° /15° | 0 mm | 8 | |
| Sept. 3 | Sunny | 35° /17° | 0 mm | 8 | |
| Sept. 4 | Partly cloudy | 36° /19° | 0 mm | 9 | |
| Sept. 5 | Thundery outbreaks possible | 38° /19° | 2.4 mm | 9 | |
| Sept. 6 | Sunny | 30° /16° | 0 mm | 8 | |
| Sept. 7 | Sunny | 30° /14° | 0 mm | 8 | |
| Sept. 8 | Patchy rain possible | 31° /13° | 0.2 mm | 7 | |
| Sept. 9 | Cloudy | 32° /15° | 0 mm | 8 | |
| Sept. 10 | Overcast | 34° /15° | 0 mm | 8 | |
| Sept. 11 | Heavy rain | 29° /16° | 7.4 mm | 7 | |
| Sept. 12 | Mist | 31° /16° | 0 mm | 7 | |
| Sept. 13 | Sunny | 28° /16° | 0 mm | 7 | |
| Sept. 14 | Overcast | 31° /16° | 0 mm | 7 | |
| Sept. 15 | Cloudy | 31° /16° | 0 mm | 7 | |
| Sept. 16 | Overcast | 29° /16° | 0.2 mm | 6 | |
| Sept. 17 | Sunny | 30° /16° | 0 mm | 8 | |
| Sept. 18 | Sunny | 33° /13° | 0 mm | 8 | |
| Sept. 19 | Moderate rain | 38° /22° | 10.3 mm | 6 | |
| Sept. 20 | Heavy rain | 36° /24° | 60.3 mm | 7 | |
| Sept. 21 | Moderate rain | 34° /23° | 11 mm | 6 | |
| Sept. 22 | Heavy rain | 28° /20° | 29.3 mm | 4 | |
| Sept. 23 | Patchy rain possible | 20° /17° | 2.8 mm | 4 | |
| Sept. 24 | Partly cloudy | 24° /14° | 0 mm | 5 | |
| Sept. 25 | Sunny | 25° /14° | 0 mm | 5 | |
| Sept. 26 | Sunny | 25° /14° | 0 mm | 5 | |
| Sept. 27 | Sunny | 27° /14° | 0 mm | 5 | |
| Sept. 28 | Sunny | 23° /17° | 0 mm | 6 | |
| Sept. 29 | Partly cloudy | 22° /13° | 0 mm | 5 | |
| Sept. 30 | Sunny | 24° /12° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Johnson 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 Johnson County forecast closer to your planned date for the most up-to-date weather information.
Johnson County in September - FAQ
What are the expected maximum and minimum temperatures in Johnson County during September?
Expect warm days with temperatures around 32°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Johnson County during September?
Moderate rainfall is anticipated in Johnson County during September, with a total of 75 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Johnson County during September?
The average wind speed in Johnson County during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
Top locations in Johnson County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Johnson County?Get accurate weather forecasts for Johnson County, located at latitude 38.982 and longitude -94.671. Stay updated with localized weather information tailored for Johnson County.
Found a mistake?
We appreciate your attention to details. Tell us here.