Phelps County (Rolla)
September
Weather in Phelps County, Missouri for September 2026
Your guide to Phelps County weather in September - trends and predictions
In general, the average temperature in Phelps County at the beginning of September is 23.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 25.3 °F by the end of September.
The climate of Phelps County in September is notably wet, with an average of 11 rainy days, and a total of 391.9 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
27°/17°
Temperatures
15 km/h
Avg max wind
72 %
Avg humidity
Phelps County Weather September
Move between months or click on a day
Temperatures trend during September in Phelps County
See the weather trend as well as the moving average line
September weather in Phelps County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 24° /16° | 0 mm | 3 | |
| Sept. 2 | Overcast | 24° /18° | 0 mm | 4 | |
| Sept. 3 |  Fog | 23° /13° | 0 mm | 4 | |
| Sept. 4 |  Light rain shower | 25° /17° | 9.8 mm | 9 | |
| Sept. 5 |  Moderate or heavy rain shower | 20° /13° | 27.1 mm | 5 | |
| Sept. 6 | Fog | 23° /12° | 9.6 mm | 7 | |
| Sept. 7 |  Partly cloudy | 24° /10° | 0 mm | 9 | |
| Sept. 8 |  Cloudy | 23° /9° | 0 mm | 9 | |
| Sept. 9 | Cloudy | 21° /11° | 0 mm | 6 | |
| Sept. 10 | Overcast | 26° /15° | 0 mm | 7 | |
| Sept. 11 |  Sunny | 31° /18° | 0 mm | 8 | |
| Sept. 12 | Sunny | 33° /20° | 0 mm | 8 | |
| Sept. 13 | Overcast | 33° /23° | 0 mm | 8 | |
| Sept. 14 |  Thundery outbreaks possible | 32° /22° | 1.1 mm | 8 | |
| Sept. 15 | Thundery outbreaks possible | 32° /22° | 0 mm | 6 | |
| Sept. 16 | Sunny | 32° /20° | 0 mm | 7 | |
| Sept. 17 | Sunny | 31° /19° | 0 mm | 7 | |
| Sept. 18 | Thundery outbreaks possible | 30° /18° | 0 mm | 7 | |
| Sept. 19 | Thundery outbreaks possible | 29° /18° | 1.4 mm | 7 | |
| Sept. 20 |  Heavy rain at times | 27° /17° | 11.9 mm | 6 | |
| Sept. 21 |  Moderate rain | 25° /19° | 117.2 mm | 3 | |
| Sept. 22 |  Patchy light rain with thunder | 28° /19° | 12.5 mm | 4 | |
| Sept. 23 | Moderate rain | 23° /15° | 10.4 mm | 2 | |
| Sept. 24 | Light rain shower | 21° /17° | 183.9 mm | 1 | |
| Sept. 25 | Fog | 22° /14° | 7 mm | 3 | |
| Sept. 26 | Overcast | 24° /15° | 0 mm | 6 | |
| Sept. 27 | Overcast | 26° /16° | 0 mm | 6 | |
| Sept. 28 | Sunny | 29° /16° | 0 mm | 6 | |
| Sept. 29 | Sunny | 28° /15° | 0 mm | 6 | |
| Sept. 30 | Overcast | 27° /17° | 0 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Phelps 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 Phelps County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Phelps County in September - FAQ
What are the expected maximum and minimum temperatures in Phelps County during September?
During September, expect a variety of temperatures with highs around 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Phelps County during September?
Significant rainfall exceeding 391.9 mm is expected in Phelps 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 Phelps County during September?
The average wind speed in Phelps County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Phelps County
Explore the daily rainfall trends and prepare for Phelps Countys September weather 💧
Typically, Phelps County has 11 rainy days in September with a total of 391.9 mm of rainfall.
UV exposure in Phelps County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Phelps County
Select a location for an accurate weather forecast
More Locations Quick links
More Phelps County weather pages
You are here
Where is Phelps County?Get accurate weather forecasts for Phelps County, located at latitude 37.951 and longitude -91.771. Stay updated with localized weather information tailored for Phelps County.
Found a mistake?
We appreciate your attention to details. Tell us here.