Apache County (Chinle)
September
Weather in Apache County, Arizona for September 2026
Your guide to Apache County weather in September - trends and predictions
So far, September 2026 in Apache County is slightly warmer than the historical average by 0.6 °F.
The forecast for the upcoming days in Apache County predicts a temperature of 23.6 °F, which is slightly above the historical average.
In general, the average temperature in Apache County at the beginning of September is 25.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.7 °F by the end of September.
The climate of Apache County in September is notably wet, with an average of 15 rainy days, and a total of 229.5 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
15
Dry days
15
Rainy days
0
Snow days
23°/11°
Temperatures
26 km/h
Avg max wind
52 %
Avg humidity
Apache County Weather September
Move between months or click on a day
Temperatures trend during September in Apache County
See the weather trend as well as the moving average line
September weather in Apache County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Thundery outbreaks possible | 26° /13° | 0 mm | 9 | |
| Sept. 2 | Thundery outbreaks possible | 26° /14° | 0 mm | 9 | |
| Sept. 3 |  Moderate or heavy rain shower | 25° /13° | 11.1 mm | 9 | |
| Sept. 4 | Moderate or heavy rain shower | 26° /13° | 14.7 mm | 8 | |
| Sept. 5 |  Light rain shower | 23° /14° | 6.1 mm | 7 | |
| Sept. 6 | Light rain shower | 25° /13° | 10.4 mm | 4 | |
| Sept. 7 |  Cloudy | 26° /13° | 0.6 mm | 4 | |
| Sept. 8 |  Partly cloudy | 27° /14° | 0 mm | 9 | |
| Sept. 9 |  Sunny | 28° /14° | 0.1 mm | 9 | |
| Sept. 10 | Cloudy | 26° /12° | 0 mm | 8 | |
| Sept. 11 | Light rain shower | 26° /13° | 4.4 mm | 8 | |
| Sept. 12 | Moderate or heavy rain shower | 24° /12° | 5 mm | 8 | |
| Sept. 13 |  Fog | 25° /13° | 2.3 mm | 8 | |
| Sept. 14 | Sunny | 26° /13° | 1.4 mm | 7 | |
| Sept. 15 | Sunny | 26° /13° | 0.9 mm | 6 | |
| Sept. 16 | Sunny | 25° /14° | 1.9 mm | 5 | |
| Sept. 17 | Sunny | 24° /13° | 2.3 mm | 4 | |
| Sept. 18 | Cloudy | 25° /12° | 0.3 mm | 7 | |
| Sept. 19 | Light rain shower | 24° /12° | 2.8 mm | 7 | |
| Sept. 20 | Cloudy | 24° /11° | 3.7 mm | 7 | |
| Sept. 21 | Light rain shower | 24° /12° | 2.8 mm | 6 | |
| Sept. 22 |  Patchy light rain with thunder | 23° /13° | 30.6 mm | 5 | |
| Sept. 23 | Sunny | 23° /11° | 0.2 mm | 4 | |
| Sept. 24 | Sunny | 23° /10° | 0 mm | 4 | |
| Sept. 25 | Sunny | 24° /17° | 0.4 mm | 7.7 | |
| Sept. 26 | Sunny | 25° /16° | 0 mm | 7.7 | |
| Sept. 27 |  Overcast | 23° /14° | 1.9 mm | 5.4 | |
| Sept. 28 | Sunny | 22° /13° | 3.8 mm | 7.6 | |
| Sept. 29 | Sunny | 19° /13° | 2.3 mm | 5 | |
| Sept. 30 | Sunny | 23° /12° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Apache 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 Apache County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Apache County in September - FAQ
What are the expected maximum and minimum temperatures in Apache County during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Apache County during September?
Significant rainfall exceeding 229.5 mm is expected in Apache County during September, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Apache County during September?
The average wind speed in Apache County during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Apache County
Explore the daily rainfall trends and prepare for Apache Countys September weather 💧
Typically, Apache County has 15 rainy days in September with a total of 229.5 mm of rainfall.
UV exposure in Apache County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Apache County
Select a location for an accurate weather forecast
More Locations Quick links
More Apache County weather pages
You are here
Where is Apache County?Get accurate weather forecasts for Apache County, located at latitude 36.154 and longitude -109.553. Stay updated with localized weather information tailored for Apache County.
Found a mistake?
We appreciate your attention to details. Tell us here.