Fort Knox (KY)
September
Weather in Fort Knox, Kentucky for September 2026
Your guide to Fort Knox weather in September - trends and predictions
In general, the average temperature in Fort Knox at the beginning of September is 23.7 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 26.1 °F by the end of September.
Fort Knox experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 302 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
22
Dry days
8
Rainy days
0
Snow days
27°/16°
Temperatures
11 km/h
Avg max wind
71 %
Avg humidity
Fort Knox Weather September
Move between months or click on a day
Temperatures trend during September in Fort Knox
See the weather trend as well as the moving average line
September weather in Fort Knox day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Overcast | 26° /15° | 0 mm | 6 | |
| Sept. 2 |  Thundery outbreaks possible | 26° /17° | 0 mm | 6 | |
| Sept. 3 |  Light rain shower | 22° /18° | 7.6 mm | 5 | |
| Sept. 4 |  Moderate or heavy rain shower | 21° /16° | 46.1 mm | 5 | |
| Sept. 5 |  Fog | 27° /13° | 20.4 mm | 6 | |
| Sept. 6 |  Torrential rain shower | 20° /12° | 47.2 mm | 5 | |
| Sept. 7 | Mist | 24° /10° | 0 mm | 5 | |
| Sept. 8 |  Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 9 | Overcast | 25° /12° | 0 mm | 6 | |
| Sept. 10 |  Cloudy | 25° /13° | 0 mm | 6 | |
| Sept. 11 | Overcast | 27° /18° | 0 mm | 6 | |
| Sept. 12 | Sunny | 29° /16° | 0 mm | 7 | |
| Sept. 13 | Sunny | 31° /16° | 0 mm | 8 | |
| Sept. 14 | Overcast | 29° /20° | 0 mm | 6 | |
| Sept. 15 | Fog | 31° /17° | 0 mm | 7 | |
| Sept. 16 | Cloudy | 31° /18° | 0 mm | 7 | |
| Sept. 17 | Sunny | 28° /17° | 0 mm | 7 | |
| Sept. 18 | Cloudy | 29° /17° | 0 mm | 6 | |
| Sept. 19 | Cloudy | 31° /17° | 0 mm | 7 | |
| Sept. 20 | Thundery outbreaks possible | 29° /18° | 0 mm | 6 | |
| Sept. 21 | Thundery outbreaks possible | 29° /20° | 0 mm | 6 | |
| Sept. 22 | Thundery outbreaks possible | 29° /19° | 24.3 mm | 6 | |
| Sept. 23 | Moderate or heavy rain shower | 27° /18° | 20 mm | 6 | |
| Sept. 24 | Moderate or heavy rain shower | 27° /20° | 102.2 mm | 6 | |
| Sept. 25 |  Light rain | 22° /18° | 34.2 mm | 5 | |
| Sept. 26 | Mist | 22° /13° | 0 mm | 5 | |
| Sept. 27 | Mist | 24° /15° | 0 mm | 5 | |
| Sept. 28 | Mist | 29° /15° | 0 mm | 6 | |
| Sept. 29 | Mist | 30° /16° | 0 mm | 7 | |
| Sept. 30 |  Partly cloudy | 29° /18° | 0 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Fort Knox 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 Fort Knox forecast closer to your planned date for the most up-to-date weather information.
Change Month
Fort Knox in September - FAQ
What are the expected maximum and minimum temperatures in Fort Knox during September?
During September, expect a variety of temperatures with highs around 27° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Fort Knox during September?
Significant rainfall exceeding 302 mm is expected in Fort Knox during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Fort Knox during September?
The average wind speed in Fort Knox during September is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Fort Knox
Explore the daily rainfall trends and prepare for Fort Knoxs September weather 💧
UV exposure in Fort Knox during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More Fort Knox weather pages
You are here
Where is Fort Knox?Get accurate weather forecasts for Fort Knox, located at latitude 37.891 and longitude -85.964. Stay updated with localized weather information tailored for Fort Knox.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.