easeweather.com
Grand Canyon National Park (AZ)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)
Grand Canyon National Park (AZ)
Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWinston-Salem (NC) More Locations
United States weather

Weather in Grand Canyon National Park, Arizona for September 2026

Your guide to Grand Canyon National Park weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Grand Canyon National Park has been nearly identical to the historical average, with a temperature of 27.3 °F (showing only a slight deviation of 0.4 °F).

  • The forecast for the next days in Grand Canyon National Park predicts temperatures to be around 28 °F, close to the historical average.

  • In general, the average temperature in Grand Canyon National Park at the beginning of September is 26.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.3 °F by the end of September.

    • Rain 🌧️

  • With an average of 5 rainy days, Grand Canyon National Park experiences minimal rainfall in September.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/14°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
47 %
Avg humidity

Grand Canyon National Park Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
28°
2
Thundery outbreaks possible
28°
3
Thundery outbreaks possible
27°
4
Thundery outbreaks possible
27°
5
Partly cloudy
25°
6
Thundery outbreaks possible
25°
7
Partly cloudy
27°
8
Sunny
28°
9
Partly cloudy
28°
10
Sunny
32°
11
Sunny
31°
12
Sunny
29°
13
Sunny
28°
14
Sunny
28°
15
Sunny
27°
16
Sunny
28°
17
Overcast
30°
18
Overcast
28°
19
Sunny
28°
20
Light rain shower
26°
21
Light rain shower
24°
22
Sunny
25°
23
Partly cloudy
25°
24
Sunny
25°
25
Thundery outbreaks possible
26°
26
Thundery outbreaks possible
22°
27
Moderate or heavy rain shower
17°
28
Thundery outbreaks possible
17°
29
Sunny
21°
30
Cloudy
21°

Temperatures trend during September in Grand Canyon National Park

See the weather trend as well as the moving average line

September weather in Grand Canyon National Park day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Overcast
Overcast
 28° /17° 0.2 mm 12
Sept. 2 Thundery outbreaks possible
Thundery outbreaks possible
 28° /17° 0.2 mm 10
Sept. 3 Thundery outbreaks possible
Thundery outbreaks possible
 27° /16° 1.6 mm 10
Sept. 4 Thundery outbreaks possible
Thundery outbreaks possible
 27° /15° 0 mm 11
Sept. 5 Partly cloudy
Partly cloudy
 25° /15° 10.4 mm 7
Sept. 6 Thundery outbreaks possible
Thundery outbreaks possible
 25° /15° 0 mm 6
Sept. 7 Partly cloudy
Partly cloudy
 27° /15° 0 mm 7
Sept. 8 Sunny
Sunny
 28° /16° 0 mm 9
Sept. 9 Partly cloudy
Partly cloudy
 28° /15° 0 mm 10
Sept. 10 Sunny
Sunny
 32° /20° 0 mm 9.5
Sept. 11 Sunny
Sunny
 31° /20° 2.2 mm 9.4
Sept. 12 Sunny
Sunny
 29° /17° 6.5 mm 9.3
Sept. 13 Sunny
Sunny
 28° /18° 0 mm 9.4
Sept. 14 Sunny
Sunny
 28° /17° 0 mm 7
Sept. 15 Sunny
Sunny
 27° /17° 0 mm 7
Sept. 16 Sunny
Sunny
 28° /18° 4 mm 7
Sept. 17 Overcast
Overcast
 30° /19° 0.3 mm 8
Sept. 18 Overcast
Overcast
 28° /17° 14.1 mm 7
Sept. 19 Sunny
Sunny
 28° /17° 1.8 mm 7
Sept. 20 Light rain shower
Light rain shower
 26° /15° 22.1 mm 6
Sept. 21 Light rain shower
Light rain shower
 24° /14° 21.7 mm 5
Sept. 22 Sunny
Sunny
 25° /15° 0 mm 6
Sept. 23 Partly cloudy
Partly cloudy
 25° /15° 4.5 mm 6
Sept. 24 Sunny
Sunny
 25° /8° 0 mm 8
Sept. 25 Thundery outbreaks possible
Thundery outbreaks possible
 26° /15° 0 mm 8
Sept. 26 Thundery outbreaks possible
Thundery outbreaks possible
 22° /10° 0 mm 8
Sept. 27 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /11° 13.8 mm 4
Sept. 28 Thundery outbreaks possible
Thundery outbreaks possible
 17° /10° 0 mm 6
Sept. 29 Sunny
Sunny
 21° /10° 0 mm 7
Sept. 30 Cloudy
Cloudy
 21° /12° 0 mm 7
Next
Important Notice
Our weather forecast for Grand Canyon National Park 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 Grand Canyon National Park forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Grand Canyon National Park in September - FAQ

What are the expected maximum and minimum temperatures in Grand Canyon National Park during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Grand Canyon National Park during September?
Moderate rainfall is anticipated in Grand Canyon National Park during September, with a total of 57.3 mm spread over approximately 5 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Grand Canyon National Park during September?
The average wind speed in Grand Canyon National Park during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Grand Canyon National Park

Explore the daily rainfall trends and prepare for Grand Canyon National Parks September weather 💧
Typically, Grand Canyon National Park has 5 rainy days in September with a total of 57.3 mm of rainfall.

UV exposure in Grand Canyon National Park during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

More Grand Canyon National Park weather pages
You are here
Location coordinates Where is Grand Canyon National Park?

Get accurate weather forecasts for Grand Canyon National Park, located at latitude 36.107 and longitude -112.113. Stay updated with localized weather information tailored for Grand Canyon National Park.

Found a mistake?
We appreciate your attention to details. Tell us here.